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-<span id="api-reference"></span><h1>API Reference<a class="headerlink" href="#module-grpc" title="Permalink to this headline">¶</a></h1>
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-<div class="section" id="create-client">
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-<h2>Create Client<a class="headerlink" href="#create-client" title="Permalink to this headline">¶</a></h2>
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-<dl class="function">
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-<dt id="grpc.insecure_channel">
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-<code class="descclassname">grpc.</code><code class="descname">insecure_channel</code><span class="sig-paren">(</span><em>target</em>, <em>options=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#insecure_channel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.insecure_channel" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Creates an insecure Channel to a server.</p>
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-<p>The returned Channel is thread-safe.</p>
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-<li><strong>target</strong> – The server address</li>
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-<li><strong>options</strong> – An optional list of key-value pairs (channel args
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-in gRPC Core runtime) to configure the channel.</li>
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-</ul>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A Channel.</p>
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-<code class="descclassname">grpc.</code><code class="descname">secure_channel</code><span class="sig-paren">(</span><em>target</em>, <em>credentials</em>, <em>options=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#secure_channel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.secure_channel" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Creates a secure Channel to a server.</p>
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-<p>The returned Channel is thread-safe.</p>
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-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
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-<li><strong>target</strong> – The server address.</li>
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-<li><strong>credentials</strong> – A ChannelCredentials instance.</li>
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-<li><strong>options</strong> – An optional list of key-value pairs (channel args
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-in gRPC Core runtime) to configure the channel.</li>
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-</ul>
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-</td>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A Channel.</p>
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-</td>
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-<dt id="grpc.intercept_channel">
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-<code class="descclassname">grpc.</code><code class="descname">intercept_channel</code><span class="sig-paren">(</span><em>channel</em>, <em>*interceptors</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#intercept_channel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.intercept_channel" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Intercepts a channel through a set of interceptors.</p>
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-<p>This is an EXPERIMENTAL API.</p>
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-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
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-<li><strong>channel</strong> – A Channel.</li>
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-<li><strong>interceptors</strong> – Zero or more objects of type
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-UnaryUnaryClientInterceptor,
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-UnaryStreamClientInterceptor,
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-StreamUnaryClientInterceptor, or
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-StreamStreamClientInterceptor.
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-Interceptors are given control in the order they are listed.</li>
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-</ul>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">A Channel that intercepts each invocation via the provided interceptors.</p>
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-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><p class="first last"><code class="xref py py-exc docutils literal notranslate"><span class="pre">TypeError</span></code> – If interceptor does not derive from any of
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-UnaryUnaryClientInterceptor,
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-UnaryStreamClientInterceptor,
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-StreamUnaryClientInterceptor, or
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-StreamStreamClientInterceptor.</p>
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-</td>
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-<div class="section" id="create-client-credentials">
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-<h2>Create Client Credentials<a class="headerlink" href="#create-client-credentials" title="Permalink to this headline">¶</a></h2>
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-<dl class="function">
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-<dt id="grpc.ssl_channel_credentials">
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-<code class="descclassname">grpc.</code><code class="descname">ssl_channel_credentials</code><span class="sig-paren">(</span><em>root_certificates=None</em>, <em>private_key=None</em>, <em>certificate_chain=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ssl_channel_credentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ssl_channel_credentials" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Creates a ChannelCredentials for use with an SSL-enabled Channel.</p>
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-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
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-<li><strong>root_certificates</strong> – The PEM-encoded root certificates as a byte string,
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-or None to retrieve them from a default location chosen by gRPC
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-runtime.</li>
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-<li><strong>private_key</strong> – The PEM-encoded private key as a byte string, or None if no
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-private key should be used.</li>
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-<li><strong>certificate_chain</strong> – The PEM-encoded certificate chain as a byte string
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-to use or or None if no certificate chain should be used.</li>
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-</ul>
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-</td>
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-</tr>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A ChannelCredentials for use with an SSL-enabled Channel.</p>
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-</td>
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-</table>
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-<dl class="function">
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-<dt id="grpc.metadata_call_credentials">
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-<code class="descclassname">grpc.</code><code class="descname">metadata_call_credentials</code><span class="sig-paren">(</span><em>metadata_plugin</em>, <em>name=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#metadata_call_credentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.metadata_call_credentials" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Construct CallCredentials from an AuthMetadataPlugin.</p>
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-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
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-<col class="field-body" />
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-<tbody valign="top">
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-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
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-<li><strong>metadata_plugin</strong> – An AuthMetadataPlugin to use for authentication.</li>
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-<li><strong>name</strong> – An optional name for the plugin.</li>
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-</ul>
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-</td>
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-</tr>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A CallCredentials.</p>
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-</td>
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-</tr>
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-</tbody>
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-</table>
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-</dd></dl>
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-<dl class="function">
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-<dt id="grpc.access_token_call_credentials">
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-<code class="descclassname">grpc.</code><code class="descname">access_token_call_credentials</code><span class="sig-paren">(</span><em>access_token</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#access_token_call_credentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.access_token_call_credentials" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Construct CallCredentials from an access token.</p>
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-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
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-<col class="field-body" />
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-<tbody valign="top">
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-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>access_token</strong> – A string to place directly in the http request
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-authorization header, for example
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-“authorization: Bearer <access_token>”.</td>
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-</tr>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">A CallCredentials.</td>
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-</tr>
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-</tbody>
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-</table>
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-</dd></dl>
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-<dl class="function">
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-<dt id="grpc.composite_call_credentials">
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-<code class="descclassname">grpc.</code><code class="descname">composite_call_credentials</code><span class="sig-paren">(</span><em>*call_credentials</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#composite_call_credentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.composite_call_credentials" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Compose multiple CallCredentials to make a new CallCredentials.</p>
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-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
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-<col class="field-body" />
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-<tbody valign="top">
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-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>*call_credentials</strong> – At least two CallCredentials objects.</td>
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-</tr>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">A CallCredentials object composed of the given CallCredentials objects.</td>
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-</tr>
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-</tbody>
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-</table>
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-</dd></dl>
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-<dl class="function">
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-<dt id="grpc.composite_channel_credentials">
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-<code class="descclassname">grpc.</code><code class="descname">composite_channel_credentials</code><span class="sig-paren">(</span><em>channel_credentials</em>, <em>*call_credentials</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#composite_channel_credentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.composite_channel_credentials" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Compose a ChannelCredentials and one or more CallCredentials objects.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>channel_credentials</strong> – A ChannelCredentials object.</li>
|
|
|
-<li><strong>*call_credentials</strong> – One or more CallCredentials objects.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last"><dl class="docutils">
|
|
|
-<dt>A ChannelCredentials composed of the given ChannelCredentials and</dt>
|
|
|
-<dd><p class="first last">CallCredentials objects.</p>
|
|
|
-</dd>
|
|
|
-</dl>
|
|
|
-</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="create-server">
|
|
|
-<h2>Create Server<a class="headerlink" href="#create-server" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.server">
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|
|
-<code class="descclassname">grpc.</code><code class="descname">server</code><span class="sig-paren">(</span><em>thread_pool</em>, <em>handlers=None</em>, <em>interceptors=None</em>, <em>options=None</em>, <em>maximum_concurrent_rpcs=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#server"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.server" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a Server with which RPCs can be serviced.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>thread_pool</strong> – A futures.ThreadPoolExecutor to be used by the Server
|
|
|
-to execute RPC handlers.</li>
|
|
|
-<li><strong>handlers</strong> – An optional list of GenericRpcHandlers used for executing RPCs.
|
|
|
-More handlers may be added by calling add_generic_rpc_handlers any time
|
|
|
-before the server is started.</li>
|
|
|
-<li><strong>interceptors</strong> – An optional list of ServerInterceptor objects that observe
|
|
|
-and optionally manipulate the incoming RPCs before handing them over to
|
|
|
-handlers. The interceptors are given control in the order they are
|
|
|
-specified. This is an EXPERIMENTAL API.</li>
|
|
|
-<li><strong>options</strong> – An optional list of key-value pairs (channel args in gRPC runtime)</li>
|
|
|
-<li><strong>configure the channel.</strong> (<em>to</em>) – </li>
|
|
|
-<li><strong>maximum_concurrent_rpcs</strong> – The maximum number of concurrent RPCs this server
|
|
|
-will service before returning RESOURCE_EXHAUSTED status, or None to
|
|
|
-indicate no limit.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A Server object.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="create-server-credentials">
|
|
|
-<h2>Create Server Credentials<a class="headerlink" href="#create-server-credentials" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.ssl_server_credentials">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">ssl_server_credentials</code><span class="sig-paren">(</span><em>private_key_certificate_chain_pairs</em>, <em>root_certificates=None</em>, <em>require_client_auth=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ssl_server_credentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ssl_server_credentials" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a ServerCredentials for use with an SSL-enabled Server.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>private_key_certificate_chain_pairs</strong> – A list of pairs of the form
|
|
|
-[PEM-encoded private key, PEM-encoded certificate chain].</li>
|
|
|
-<li><strong>root_certificates</strong> – An optional byte string of PEM-encoded client root
|
|
|
-certificates that the server will use to verify client authentication.
|
|
|
-If omitted, require_client_auth must also be False.</li>
|
|
|
-<li><strong>require_client_auth</strong> – A boolean indicating whether or not to require
|
|
|
-clients to be authenticated. May only be True if root_certificates
|
|
|
-is not None.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A ServerCredentials for use with an SSL-enabled Server. Typically, this
|
|
|
-object is an argument to add_secure_port() method during server setup.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.ssl_server_certificate_configuration">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">ssl_server_certificate_configuration</code><span class="sig-paren">(</span><em>private_key_certificate_chain_pairs</em>, <em>root_certificates=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ssl_server_certificate_configuration"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ssl_server_certificate_configuration" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a ServerCertificateConfiguration for use with a Server.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>private_key_certificate_chain_pairs</strong> – A collection of pairs of
|
|
|
-the form [PEM-encoded private key, PEM-encoded certificate
|
|
|
-chain].</li>
|
|
|
-<li><strong>root_certificates</strong> – An optional byte string of PEM-encoded client root
|
|
|
-certificates that the server will use to verify client authentication.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last"><dl class="docutils">
|
|
|
-<dt>A ServerCertificateConfiguration that can be returned in the certificate</dt>
|
|
|
-<dd><p class="first last">configuration fetching callback.</p>
|
|
|
-</dd>
|
|
|
-</dl>
|
|
|
-</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.dynamic_ssl_server_credentials">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">dynamic_ssl_server_credentials</code><span class="sig-paren">(</span><em>initial_certificate_configuration</em>, <em>certificate_configuration_fetcher</em>, <em>require_client_authentication=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#dynamic_ssl_server_credentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.dynamic_ssl_server_credentials" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a ServerCredentials for use with an SSL-enabled Server.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>initial_certificate_configuration</strong> (<a class="reference internal" href="#grpc.ServerCertificateConfiguration" title="grpc.ServerCertificateConfiguration"><em>ServerCertificateConfiguration</em></a>) – The
|
|
|
-certificate configuration with which the server will be initialized.</li>
|
|
|
-<li><strong>certificate_configuration_fetcher</strong> (<em>callable</em>) – A callable that takes no
|
|
|
-arguments and should return a ServerCertificateConfiguration to
|
|
|
-replace the server’s current certificate, or None for no change
|
|
|
-(i.e., the server will continue its current certificate
|
|
|
-config). The library will call this callback on <em>every</em> new
|
|
|
-client connection before starting the TLS handshake with the
|
|
|
-client, thus allowing the user application to optionally
|
|
|
-return a new ServerCertificateConfiguration that the server will then
|
|
|
-use for the handshake.</li>
|
|
|
-<li><strong>require_client_authentication</strong> – A boolean indicating whether or not to
|
|
|
-require clients to be authenticated.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A ServerCredentials.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="rpc-method-handlers">
|
|
|
-<h2>RPC Method Handlers<a class="headerlink" href="#rpc-method-handlers" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.unary_unary_rpc_method_handler">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">unary_unary_rpc_method_handler</code><span class="sig-paren">(</span><em>behavior</em>, <em>request_deserializer=None</em>, <em>response_serializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#unary_unary_rpc_method_handler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.unary_unary_rpc_method_handler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates an RpcMethodHandler for a unary-unary RPC method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>behavior</strong> – The implementation of an RPC that accepts one request
|
|
|
-and returns one response.</li>
|
|
|
-<li><strong>request_deserializer</strong> – An optional behavior for request deserialization.</li>
|
|
|
-<li><strong>response_serializer</strong> – An optional behavior for response serialization.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An RpcMethodHandler object that is typically used by grpc.Server.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.unary_stream_rpc_method_handler">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">unary_stream_rpc_method_handler</code><span class="sig-paren">(</span><em>behavior</em>, <em>request_deserializer=None</em>, <em>response_serializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#unary_stream_rpc_method_handler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.unary_stream_rpc_method_handler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates an RpcMethodHandler for a unary-stream RPC method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>behavior</strong> – The implementation of an RPC that accepts one request
|
|
|
-and returns an iterator of response values.</li>
|
|
|
-<li><strong>request_deserializer</strong> – An optional behavior for request deserialization.</li>
|
|
|
-<li><strong>response_serializer</strong> – An optional behavior for response serialization.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An RpcMethodHandler object that is typically used by grpc.Server.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.stream_unary_rpc_method_handler">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">stream_unary_rpc_method_handler</code><span class="sig-paren">(</span><em>behavior</em>, <em>request_deserializer=None</em>, <em>response_serializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#stream_unary_rpc_method_handler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.stream_unary_rpc_method_handler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates an RpcMethodHandler for a stream-unary RPC method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>behavior</strong> – The implementation of an RPC that accepts an iterator of
|
|
|
-request values and returns a single response value.</li>
|
|
|
-<li><strong>request_deserializer</strong> – An optional behavior for request deserialization.</li>
|
|
|
-<li><strong>response_serializer</strong> – An optional behavior for response serialization.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An RpcMethodHandler object that is typically used by grpc.Server.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.stream_stream_rpc_method_handler">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">stream_stream_rpc_method_handler</code><span class="sig-paren">(</span><em>behavior</em>, <em>request_deserializer=None</em>, <em>response_serializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#stream_stream_rpc_method_handler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.stream_stream_rpc_method_handler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates an RpcMethodHandler for a stream-stream RPC method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>behavior</strong> – The implementation of an RPC that accepts an iterator of
|
|
|
-request values and returns an iterator of response values.</li>
|
|
|
-<li><strong>request_deserializer</strong> – An optional behavior for request deserialization.</li>
|
|
|
-<li><strong>response_serializer</strong> – An optional behavior for response serialization.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An RpcMethodHandler object that is typically used by grpc.Server.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.method_handlers_generic_handler">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">method_handlers_generic_handler</code><span class="sig-paren">(</span><em>service</em>, <em>method_handlers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#method_handlers_generic_handler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.method_handlers_generic_handler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a GenericRpcHandler from RpcMethodHandlers.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>service</strong> – The name of the service that is implemented by the
|
|
|
-method_handlers.</li>
|
|
|
-<li><strong>method_handlers</strong> – A dictionary that maps method names to corresponding
|
|
|
-RpcMethodHandler.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A GenericRpcHandler. This is typically added to the grpc.Server object
|
|
|
-with add_generic_rpc_handlers() before starting the server.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="channel-ready-future">
|
|
|
-<h2>Channel Ready Future<a class="headerlink" href="#channel-ready-future" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="function">
|
|
|
-<dt id="grpc.channel_ready_future">
|
|
|
-<code class="descclassname">grpc.</code><code class="descname">channel_ready_future</code><span class="sig-paren">(</span><em>channel</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#channel_ready_future"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.channel_ready_future" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a Future that tracks when a Channel is ready.</p>
|
|
|
-<p>Cancelling the Future does not affect the channel’s state machine.
|
|
|
-It merely decouples the Future from channel state machine.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>channel</strong> – A Channel object.</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">A Future object that matures when the channel connectivity is
|
|
|
-ChannelConnectivity.READY.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="channel-connectivity">
|
|
|
-<h2>Channel Connectivity<a class="headerlink" href="#channel-connectivity" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ChannelConnectivity">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ChannelConnectivity</code><a class="reference internal" href="_modules/grpc.html#ChannelConnectivity"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ChannelConnectivity" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Mirrors grpc_connectivity_state in the gRPC Core.</p>
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ChannelConnectivity.IDLE">
|
|
|
-<code class="descname">IDLE</code><a class="headerlink" href="#grpc.ChannelConnectivity.IDLE" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The channel is idle.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ChannelConnectivity.CONNECTING">
|
|
|
-<code class="descname">CONNECTING</code><a class="headerlink" href="#grpc.ChannelConnectivity.CONNECTING" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The channel is connecting.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ChannelConnectivity.READY">
|
|
|
-<code class="descname">READY</code><a class="headerlink" href="#grpc.ChannelConnectivity.READY" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The channel is ready to conduct RPCs.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ChannelConnectivity.TRANSIENT_FAILURE">
|
|
|
-<code class="descname">TRANSIENT_FAILURE</code><a class="headerlink" href="#grpc.ChannelConnectivity.TRANSIENT_FAILURE" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The channel has seen a failure from which it expects
|
|
|
-to recover.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ChannelConnectivity.SHUTDOWN">
|
|
|
-<code class="descname">SHUTDOWN</code><a class="headerlink" href="#grpc.ChannelConnectivity.SHUTDOWN" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The channel has seen a failure from which it cannot recover.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="grpc-status-code">
|
|
|
-<h2>gRPC Status Code<a class="headerlink" href="#grpc-status-code" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.StatusCode">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">StatusCode</code><a class="reference internal" href="_modules/grpc.html#StatusCode"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StatusCode" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Mirrors grpc_status_code in the gRPC Core.</p>
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.OK">
|
|
|
-<code class="descname">OK</code><a class="headerlink" href="#grpc.StatusCode.OK" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Not an error; returned on success</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.CANCELLED">
|
|
|
-<code class="descname">CANCELLED</code><a class="headerlink" href="#grpc.StatusCode.CANCELLED" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The operation was cancelled (typically by the caller).</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.UNKNOWN">
|
|
|
-<code class="descname">UNKNOWN</code><a class="headerlink" href="#grpc.StatusCode.UNKNOWN" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Unknown error.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.INVALID_ARGUMENT">
|
|
|
-<code class="descname">INVALID_ARGUMENT</code><a class="headerlink" href="#grpc.StatusCode.INVALID_ARGUMENT" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Client specified an invalid argument.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.DEADLINE_EXCEEDED">
|
|
|
-<code class="descname">DEADLINE_EXCEEDED</code><a class="headerlink" href="#grpc.StatusCode.DEADLINE_EXCEEDED" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Deadline expired before operation could complete.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.NOT_FOUND">
|
|
|
-<code class="descname">NOT_FOUND</code><a class="headerlink" href="#grpc.StatusCode.NOT_FOUND" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Some requested entity (e.g., file or directory) was not found.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.ALREADY_EXISTS">
|
|
|
-<code class="descname">ALREADY_EXISTS</code><a class="headerlink" href="#grpc.StatusCode.ALREADY_EXISTS" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Some entity that we attempted to create (e.g., file or directory)
|
|
|
-already exists.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.PERMISSION_DENIED">
|
|
|
-<code class="descname">PERMISSION_DENIED</code><a class="headerlink" href="#grpc.StatusCode.PERMISSION_DENIED" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The caller does not have permission to execute the specified
|
|
|
-operation.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.UNAUTHENTICATED">
|
|
|
-<code class="descname">UNAUTHENTICATED</code><a class="headerlink" href="#grpc.StatusCode.UNAUTHENTICATED" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The request does not have valid authentication credentials for the
|
|
|
-operation.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.RESOURCE_EXHAUSTED">
|
|
|
-<code class="descname">RESOURCE_EXHAUSTED</code><a class="headerlink" href="#grpc.StatusCode.RESOURCE_EXHAUSTED" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Some resource has been exhausted, perhaps a per-user quota, or
|
|
|
-perhaps the entire file system is out of space.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.FAILED_PRECONDITION">
|
|
|
-<code class="descname">FAILED_PRECONDITION</code><a class="headerlink" href="#grpc.StatusCode.FAILED_PRECONDITION" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Operation was rejected because the system is not in a state
|
|
|
-required for the operation’s execution.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.ABORTED">
|
|
|
-<code class="descname">ABORTED</code><a class="headerlink" href="#grpc.StatusCode.ABORTED" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The operation was aborted, typically due to a concurrency issue
|
|
|
-like sequencer check failures, transaction aborts, etc.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.UNIMPLEMENTED">
|
|
|
-<code class="descname">UNIMPLEMENTED</code><a class="headerlink" href="#grpc.StatusCode.UNIMPLEMENTED" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Operation is not implemented or not supported/enabled in this service.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.INTERNAL">
|
|
|
-<code class="descname">INTERNAL</code><a class="headerlink" href="#grpc.StatusCode.INTERNAL" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Internal errors. Means some invariants expected by underlying
|
|
|
-system has been broken.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.UNAVAILABLE">
|
|
|
-<code class="descname">UNAVAILABLE</code><a class="headerlink" href="#grpc.StatusCode.UNAVAILABLE" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The service is currently unavailable.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.StatusCode.DATA_LOSS">
|
|
|
-<code class="descname">DATA_LOSS</code><a class="headerlink" href="#grpc.StatusCode.DATA_LOSS" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Unrecoverable data loss or corruption.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="channel-object">
|
|
|
-<h2>Channel Object<a class="headerlink" href="#channel-object" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.Channel">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">Channel</code><a class="reference internal" href="_modules/grpc.html#Channel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords RPC invocation via generic methods on client-side.</p>
|
|
|
-<p>Channel objects implement the Context Manager type, although they need not
|
|
|
-support being entered and exited multiple times.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Channel.close">
|
|
|
-<code class="descname">close</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Channel.close"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel.close" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Closes this Channel and releases all resources held by it.</p>
|
|
|
-<p>Closing the Channel will immediately terminate all RPCs active with the
|
|
|
-Channel and it is not valid to invoke new RPCs with the Channel.</p>
|
|
|
-<p>This method is idempotent.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Channel.stream_stream">
|
|
|
-<code class="descname">stream_stream</code><span class="sig-paren">(</span><em>method</em>, <em>request_serializer=None</em>, <em>response_deserializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Channel.stream_stream"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel.stream_stream" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a StreamStreamMultiCallable for a stream-stream method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>method</strong> – The name of the RPC method.</li>
|
|
|
-<li><strong>request_serializer</strong> – Optional behaviour for serializing the request
|
|
|
-message. Request goes unserialized in case None is passed.</li>
|
|
|
-<li><strong>response_deserializer</strong> – Optional behaviour for deserializing the
|
|
|
-response message. Response goes undeserialized in case None
|
|
|
-is passed.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A StreamStreamMultiCallable value for the named stream-stream method.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Channel.stream_unary">
|
|
|
-<code class="descname">stream_unary</code><span class="sig-paren">(</span><em>method</em>, <em>request_serializer=None</em>, <em>response_deserializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Channel.stream_unary"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel.stream_unary" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a StreamUnaryMultiCallable for a stream-unary method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>method</strong> – The name of the RPC method.</li>
|
|
|
-<li><strong>request_serializer</strong> – Optional behaviour for serializing the request
|
|
|
-message. Request goes unserialized in case None is passed.</li>
|
|
|
-<li><strong>response_deserializer</strong> – Optional behaviour for deserializing the
|
|
|
-response message. Response goes undeserialized in case None is
|
|
|
-passed.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A StreamUnaryMultiCallable value for the named stream-unary method.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Channel.subscribe">
|
|
|
-<code class="descname">subscribe</code><span class="sig-paren">(</span><em>callback</em>, <em>try_to_connect=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Channel.subscribe"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel.subscribe" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Subscribe to this Channel’s connectivity state machine.</p>
|
|
|
-<p>A Channel may be in any of the states described by ChannelConnectivity.
|
|
|
-This method allows application to monitor the state transitions.
|
|
|
-The typical use case is to debug or gain better visibility into gRPC
|
|
|
-runtime’s state.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
|
|
|
-<li><strong>callback</strong> – A callable to be invoked with ChannelConnectivity argument.
|
|
|
-ChannelConnectivity describes current state of the channel.
|
|
|
-The callable will be invoked immediately upon subscription
|
|
|
-and again for every change to ChannelConnectivity until it
|
|
|
-is unsubscribed or this Channel object goes out of scope.</li>
|
|
|
-<li><strong>try_to_connect</strong> – A boolean indicating whether or not this Channel
|
|
|
-should attempt to connect immediately. If set to False, gRPC
|
|
|
-runtime decides when to connect.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Channel.unary_stream">
|
|
|
-<code class="descname">unary_stream</code><span class="sig-paren">(</span><em>method</em>, <em>request_serializer=None</em>, <em>response_deserializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Channel.unary_stream"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel.unary_stream" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a UnaryStreamMultiCallable for a unary-stream method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>method</strong> – The name of the RPC method.</li>
|
|
|
-<li><strong>request_serializer</strong> – Optional behaviour for serializing the request
|
|
|
-message. Request goes unserialized in case None is passed.</li>
|
|
|
-<li><strong>response_deserializer</strong> – Optional behaviour for deserializing the
|
|
|
-response message. Response goes undeserialized in case None is
|
|
|
-passed.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A UnaryStreamMultiCallable value for the name unary-stream method.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Channel.unary_unary">
|
|
|
-<code class="descname">unary_unary</code><span class="sig-paren">(</span><em>method</em>, <em>request_serializer=None</em>, <em>response_deserializer=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Channel.unary_unary"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel.unary_unary" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Creates a UnaryUnaryMultiCallable for a unary-unary method.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>method</strong> – The name of the RPC method.</li>
|
|
|
-<li><strong>request_serializer</strong> – Optional behaviour for serializing the request
|
|
|
-message. Request goes unserialized in case None is passed.</li>
|
|
|
-<li><strong>response_deserializer</strong> – Optional behaviour for deserializing the
|
|
|
-response message. Response goes undeserialized in case None
|
|
|
-is passed.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A UnaryUnaryMultiCallable value for the named unary-unary method.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Channel.unsubscribe">
|
|
|
-<code class="descname">unsubscribe</code><span class="sig-paren">(</span><em>callback</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Channel.unsubscribe"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Channel.unsubscribe" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Unsubscribes a subscribed callback from this Channel’s connectivity.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
|
|
|
-<li><strong>callback</strong> – A callable previously registered with this Channel from</li>
|
|
|
-<li><strong>been passed to its "subscribe" method.</strong> (<em>having</em>) – </li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="server-object">
|
|
|
-<h2>Server Object<a class="headerlink" href="#server-object" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.Server">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">Server</code><a class="reference internal" href="_modules/grpc.html#Server"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Server" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Services RPCs.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Server.add_generic_rpc_handlers">
|
|
|
-<code class="descname">add_generic_rpc_handlers</code><span class="sig-paren">(</span><em>generic_rpc_handlers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Server.add_generic_rpc_handlers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Server.add_generic_rpc_handlers" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Registers GenericRpcHandlers with this Server.</p>
|
|
|
-<p>This method is only safe to call before the server is started.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
|
|
|
-<li><strong>generic_rpc_handlers</strong> – An iterable of GenericRpcHandlers that will be</li>
|
|
|
-<li><strong>to service RPCs.</strong> (<em>used</em>) – </li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Server.add_insecure_port">
|
|
|
-<code class="descname">add_insecure_port</code><span class="sig-paren">(</span><em>address</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Server.add_insecure_port"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Server.add_insecure_port" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Opens an insecure port for accepting RPCs.</p>
|
|
|
-<p>This method may only be called before starting the server.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>address</strong> – The address for which to open a port.</li>
|
|
|
-<li><strong>the port is 0</strong><strong>, or </strong><strong>not specified in the address</strong><strong>, </strong><strong>then gRPC runtime</strong> (<em>if</em>) – </li>
|
|
|
-<li><strong>choose a port.</strong> (<em>will</em>) – </li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An integer port on which server will accept RPC requests.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">integer</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Server.add_secure_port">
|
|
|
-<code class="descname">add_secure_port</code><span class="sig-paren">(</span><em>address</em>, <em>server_credentials</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Server.add_secure_port"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Server.add_secure_port" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Opens a secure port for accepting RPCs.</p>
|
|
|
-<p>This method may only be called before starting the server.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>address</strong> – The address for which to open a port.
|
|
|
-if the port is 0, or not specified in the address, then gRPC
|
|
|
-runtime will choose a port.</li>
|
|
|
-<li><strong>server_credentials</strong> – A ServerCredentials object.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An integer port on which server will accept RPC requests.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">integer</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Server.start">
|
|
|
-<code class="descname">start</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Server.start"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Server.start" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Starts this Server.</p>
|
|
|
-<p>This method may only be called once. (i.e. it is not idempotent).</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Server.stop">
|
|
|
-<code class="descname">stop</code><span class="sig-paren">(</span><em>grace</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Server.stop"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Server.stop" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Stops this Server.</p>
|
|
|
-<p>This method immediately stop service of new RPCs in all cases.</p>
|
|
|
-<p>If a grace period is specified, this method returns immediately
|
|
|
-and all RPCs active at the end of the grace period are aborted.
|
|
|
-If a grace period is not specified (by passing None for <cite>grace</cite>),
|
|
|
-all existing RPCs are aborted immediately and this method
|
|
|
-blocks until the last RPC handler terminates.</p>
|
|
|
-<p>This method is idempotent and may be called at any time.
|
|
|
-Passing a smaller grace value in a subsequent call will have
|
|
|
-the effect of stopping the Server sooner (passing None will
|
|
|
-have the effect of stopping the server immediately). Passing
|
|
|
-a larger grace value in a subsequent call <em>will not</em> have the
|
|
|
-effect of stopping the server later (i.e. the most restrictive
|
|
|
-grace value is used).</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>grace</strong> – A duration of time in seconds or None.</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">A threading.Event that will be set when this Server has completely
|
|
|
-stopped, i.e. when running RPCs either complete or are aborted and
|
|
|
-all handlers have terminated.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="authentication-authorization-objects">
|
|
|
-<h2>Authentication & Authorization Objects<a class="headerlink" href="#authentication-authorization-objects" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ChannelCredentials">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ChannelCredentials</code><span class="sig-paren">(</span><em>credentials</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ChannelCredentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ChannelCredentials" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An encapsulation of the data required to create a secure Channel.</p>
|
|
|
-<p>This class has no supported interface - it exists to define the type of its
|
|
|
-instances and its instances exist to be passed to other functions. For
|
|
|
-example, ssl_channel_credentials returns an instance of this class and
|
|
|
-secure_channel requires an instance of this class.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.CallCredentials">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">CallCredentials</code><span class="sig-paren">(</span><em>credentials</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#CallCredentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.CallCredentials" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An encapsulation of the data required to assert an identity over a call.</p>
|
|
|
-<p>A CallCredentials may be composed with ChannelCredentials to always assert
|
|
|
-identity for every call over that Channel.</p>
|
|
|
-<p>This class has no supported interface - it exists to define the type of its
|
|
|
-instances and its instances exist to be passed to other functions.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.AuthMetadataContext">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">AuthMetadataContext</code><a class="reference internal" href="_modules/grpc.html#AuthMetadataContext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.AuthMetadataContext" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Provides information to call credentials metadata plugins.</p>
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.AuthMetadataContext.service_url">
|
|
|
-<code class="descname">service_url</code><a class="headerlink" href="#grpc.AuthMetadataContext.service_url" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A string URL of the service being called into.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.AuthMetadataContext.method_name">
|
|
|
-<code class="descname">method_name</code><a class="headerlink" href="#grpc.AuthMetadataContext.method_name" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A string of the fully qualified method name being called.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.AuthMetadataPluginCallback">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">AuthMetadataPluginCallback</code><a class="reference internal" href="_modules/grpc.html#AuthMetadataPluginCallback"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.AuthMetadataPluginCallback" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Callback object received by a metadata plugin.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.AuthMetadataPluginCallback.__call__">
|
|
|
-<code class="descname">__call__</code><span class="sig-paren">(</span><em>metadata</em>, <em>error</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#AuthMetadataPluginCallback.__call__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.AuthMetadataPluginCallback.__call__" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Passes to the gRPC runtime authentication metadata for an RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
|
|
|
-<li><strong>metadata</strong> – The <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> used to construct the CallCredentials.</li>
|
|
|
-<li><strong>error</strong> – An Exception to indicate error or None to indicate success.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.AuthMetadataPlugin">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">AuthMetadataPlugin</code><a class="reference internal" href="_modules/grpc.html#AuthMetadataPlugin"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.AuthMetadataPlugin" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A specification for custom authentication.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.AuthMetadataPlugin.__call__">
|
|
|
-<code class="descname">__call__</code><span class="sig-paren">(</span><em>context</em>, <em>callback</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#AuthMetadataPlugin.__call__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.AuthMetadataPlugin.__call__" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Implements authentication by passing metadata to a callback.</p>
|
|
|
-<p>Implementations of this method must not block.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
|
|
|
-<li><strong>context</strong> – An AuthMetadataContext providing information on the RPC that
|
|
|
-the plugin is being called to authenticate.</li>
|
|
|
-<li><strong>callback</strong> – An AuthMetadataPluginCallback to be invoked either
|
|
|
-synchronously or asynchronously.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ServerCredentials">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ServerCredentials</code><span class="sig-paren">(</span><em>credentials</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServerCredentials"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServerCredentials" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An encapsulation of the data required to open a secure port on a Server.</p>
|
|
|
-<p>This class has no supported interface - it exists to define the type of its
|
|
|
-instances and its instances exist to be passed to other functions.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ServerCertificateConfiguration">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ServerCertificateConfiguration</code><span class="sig-paren">(</span><em>certificate_configuration</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServerCertificateConfiguration"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServerCertificateConfiguration" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A certificate configuration for use with an SSL-enabled Server.</p>
|
|
|
-<p>Instances of this class can be returned in the certificate configuration
|
|
|
-fetching callback.</p>
|
|
|
-<p>This class has no supported interface – it exists to define the
|
|
|
-type of its instances and its instances exist to be passed to
|
|
|
-other functions.</p>
|
|
|
-</dd></dl>
|
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|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="grpc-exceptions">
|
|
|
-<h2>gRPC Exceptions<a class="headerlink" href="#grpc-exceptions" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="exception">
|
|
|
-<dt id="grpc.RpcError">
|
|
|
-<em class="property">exception </em><code class="descclassname">grpc.</code><code class="descname">RpcError</code><a class="reference internal" href="_modules/grpc.html#RpcError"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.RpcError" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Raised by the gRPC library to indicate non-OK-status RPC termination.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="shared-context">
|
|
|
-<h2>Shared Context<a class="headerlink" href="#shared-context" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.RpcContext">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">RpcContext</code><a class="reference internal" href="_modules/grpc.html#RpcContext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.RpcContext" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Provides RPC-related information and action.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.RpcContext.add_callback">
|
|
|
-<code class="descname">add_callback</code><span class="sig-paren">(</span><em>callback</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#RpcContext.add_callback"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.RpcContext.add_callback" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Registers a callback to be called on RPC termination.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
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|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>callback</strong> – A no-parameter callable to be called on RPC termination.</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">True if the callback was added and will be called later; False if
|
|
|
-the callback was not added and will not be called (because the RPC
|
|
|
-already terminated or some other reason).</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
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|
-
|
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|
-<dl class="method">
|
|
|
-<dt id="grpc.RpcContext.cancel">
|
|
|
-<code class="descname">cancel</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#RpcContext.cancel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.RpcContext.cancel" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Cancels the RPC.</p>
|
|
|
-<p>Idempotent and has no effect if the RPC has already terminated.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.RpcContext.is_active">
|
|
|
-<code class="descname">is_active</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#RpcContext.is_active"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.RpcContext.is_active" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Describes whether the RPC is active or has terminated.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">True if RPC is active, False otherwise.</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.RpcContext.time_remaining">
|
|
|
-<code class="descname">time_remaining</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#RpcContext.time_remaining"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.RpcContext.time_remaining" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Describes the length of allowed time remaining for the RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">A nonnegative float indicating the length of allowed time in seconds
|
|
|
-remaining for the RPC to complete before it is considered to have
|
|
|
-timed out, or None if no deadline was specified for the RPC.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="client-side-context">
|
|
|
-<h2>Client-Side Context<a class="headerlink" href="#client-side-context" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.Call">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">Call</code><a class="reference internal" href="_modules/grpc.html#Call"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Call" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Invocation-side utility object for an RPC.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Call.code">
|
|
|
-<code class="descname">code</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Call.code"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Call.code" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Accesses the status code sent by the server.</p>
|
|
|
-<p>This method blocks until the value is available.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The StatusCode value for the RPC.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Call.details">
|
|
|
-<code class="descname">details</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Call.details"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Call.details" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Accesses the details sent by the server.</p>
|
|
|
-<p>This method blocks until the value is available.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The details string of the RPC.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Call.initial_metadata">
|
|
|
-<code class="descname">initial_metadata</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Call.initial_metadata"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Call.initial_metadata" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Accesses the initial metadata sent by the server.</p>
|
|
|
-<p>This method blocks until the value is available.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The initial <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a>.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Call.trailing_metadata">
|
|
|
-<code class="descname">trailing_metadata</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Call.trailing_metadata"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Call.trailing_metadata" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Accesses the trailing metadata sent by the server.</p>
|
|
|
-<p>This method blocks until the value is available.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The trailing <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a>.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="client-side-interceptor">
|
|
|
-<h2>Client-Side Interceptor<a class="headerlink" href="#client-side-interceptor" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ClientCallDetails">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ClientCallDetails</code><a class="reference internal" href="_modules/grpc.html#ClientCallDetails"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ClientCallDetails" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Describes an RPC to be invoked.</p>
|
|
|
-<p>This is an EXPERIMENTAL API.</p>
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ClientCallDetails.method">
|
|
|
-<code class="descname">method</code><a class="headerlink" href="#grpc.ClientCallDetails.method" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The method name of the RPC.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ClientCallDetails.timeout">
|
|
|
-<code class="descname">timeout</code><a class="headerlink" href="#grpc.ClientCallDetails.timeout" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An optional duration of time in seconds to allow for the RPC.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ClientCallDetails.metadata">
|
|
|
-<code class="descname">metadata</code><a class="headerlink" href="#grpc.ClientCallDetails.metadata" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to
|
|
|
-the service-side of the RPC.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ClientCallDetails.credentials">
|
|
|
-<code class="descname">credentials</code><a class="headerlink" href="#grpc.ClientCallDetails.credentials" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An optional CallCredentials for the RPC.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.ClientCallDetails.wait_for_ready">
|
|
|
-<code class="descname">wait_for_ready</code><a class="headerlink" href="#grpc.ClientCallDetails.wait_for_ready" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An optional flag to enable wait for ready mechanism.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.UnaryUnaryClientInterceptor">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">UnaryUnaryClientInterceptor</code><a class="reference internal" href="_modules/grpc.html#UnaryUnaryClientInterceptor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryUnaryClientInterceptor" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords intercepting unary-unary invocations.</p>
|
|
|
-<p>This is an EXPERIMENTAL API.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.UnaryUnaryClientInterceptor.intercept_unary_unary">
|
|
|
-<code class="descname">intercept_unary_unary</code><span class="sig-paren">(</span><em>continuation</em>, <em>client_call_details</em>, <em>request</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#UnaryUnaryClientInterceptor.intercept_unary_unary"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryUnaryClientInterceptor.intercept_unary_unary" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Intercepts a unary-unary invocation asynchronously.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>continuation</strong> – A function that proceeds with the invocation by
|
|
|
-executing the next interceptor in chain or invoking the
|
|
|
-actual RPC on the underlying Channel. It is the interceptor’s
|
|
|
-responsibility to call it if it decides to move the RPC forward.
|
|
|
-The interceptor can use
|
|
|
-<cite>response_future = continuation(client_call_details, request)</cite>
|
|
|
-to continue with the RPC. <cite>continuation</cite> returns an object that is
|
|
|
-both a Call for the RPC and a Future. In the event of RPC
|
|
|
-completion, the return Call-Future’s result value will be
|
|
|
-the response message of the RPC. Should the event terminate
|
|
|
-with non-OK status, the returned Call-Future’s exception value
|
|
|
-will be an RpcError.</li>
|
|
|
-<li><strong>client_call_details</strong> – A ClientCallDetails object describing the
|
|
|
-outgoing RPC.</li>
|
|
|
-<li><strong>request</strong> – The request value for the RPC.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and a Future.
|
|
|
-In the event of RPC completion, the return Call-Future’s
|
|
|
-result value will be the response message of the RPC.
|
|
|
-Should the event terminate with non-OK status, the returned
|
|
|
-Call-Future’s exception value will be an RpcError.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.UnaryStreamClientInterceptor">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">UnaryStreamClientInterceptor</code><a class="reference internal" href="_modules/grpc.html#UnaryStreamClientInterceptor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryStreamClientInterceptor" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords intercepting unary-stream invocations.</p>
|
|
|
-<p>This is an EXPERIMENTAL API.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.UnaryStreamClientInterceptor.intercept_unary_stream">
|
|
|
-<code class="descname">intercept_unary_stream</code><span class="sig-paren">(</span><em>continuation</em>, <em>client_call_details</em>, <em>request</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#UnaryStreamClientInterceptor.intercept_unary_stream"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryStreamClientInterceptor.intercept_unary_stream" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Intercepts a unary-stream invocation.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>continuation</strong> – A function that proceeds with the invocation by
|
|
|
-executing the next interceptor in chain or invoking the
|
|
|
-actual RPC on the underlying Channel. It is the interceptor’s
|
|
|
-responsibility to call it if it decides to move the RPC forward.
|
|
|
-The interceptor can use
|
|
|
-<cite>response_iterator = continuation(client_call_details, request)</cite>
|
|
|
-to continue with the RPC. <cite>continuation</cite> returns an object that is
|
|
|
-both a Call for the RPC and an iterator for response values.
|
|
|
-Drawing response values from the returned Call-iterator may
|
|
|
-raise RpcError indicating termination of the RPC with non-OK
|
|
|
-status.</li>
|
|
|
-<li><strong>client_call_details</strong> – A ClientCallDetails object describing the
|
|
|
-outgoing RPC.</li>
|
|
|
-<li><strong>request</strong> – The request value for the RPC.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and an iterator of
|
|
|
-response values. Drawing response values from the returned
|
|
|
-Call-iterator may raise RpcError indicating termination of
|
|
|
-the RPC with non-OK status.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
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|
-</dd></dl>
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|
-
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|
-</dd></dl>
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-
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|
-<dl class="class">
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|
-<dt id="grpc.StreamUnaryClientInterceptor">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">StreamUnaryClientInterceptor</code><a class="reference internal" href="_modules/grpc.html#StreamUnaryClientInterceptor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamUnaryClientInterceptor" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords intercepting stream-unary invocations.</p>
|
|
|
-<p>This is an EXPERIMENTAL API.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.StreamUnaryClientInterceptor.intercept_stream_unary">
|
|
|
-<code class="descname">intercept_stream_unary</code><span class="sig-paren">(</span><em>continuation</em>, <em>client_call_details</em>, <em>request_iterator</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#StreamUnaryClientInterceptor.intercept_stream_unary"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamUnaryClientInterceptor.intercept_stream_unary" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Intercepts a stream-unary invocation asynchronously.</p>
|
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|
-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>continuation</strong> – A function that proceeds with the invocation by
|
|
|
-executing the next interceptor in chain or invoking the
|
|
|
-actual RPC on the underlying Channel. It is the interceptor’s
|
|
|
-responsibility to call it if it decides to move the RPC forward.
|
|
|
-The interceptor can use
|
|
|
-<cite>response_future = continuation(client_call_details, request_iterator)</cite>
|
|
|
-to continue with the RPC. <cite>continuation</cite> returns an object that is
|
|
|
-both a Call for the RPC and a Future. In the event of RPC completion,
|
|
|
-the return Call-Future’s result value will be the response message
|
|
|
-of the RPC. Should the event terminate with non-OK status, the
|
|
|
-returned Call-Future’s exception value will be an RpcError.</li>
|
|
|
-<li><strong>client_call_details</strong> – A ClientCallDetails object describing the
|
|
|
-outgoing RPC.</li>
|
|
|
-<li><strong>request_iterator</strong> – An iterator that yields request values for the RPC.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and a Future.
|
|
|
-In the event of RPC completion, the return Call-Future’s
|
|
|
-result value will be the response message of the RPC.
|
|
|
-Should the event terminate with non-OK status, the returned
|
|
|
-Call-Future’s exception value will be an RpcError.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
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|
-</dd></dl>
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|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.StreamStreamClientInterceptor">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">StreamStreamClientInterceptor</code><a class="reference internal" href="_modules/grpc.html#StreamStreamClientInterceptor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamStreamClientInterceptor" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords intercepting stream-stream invocations.</p>
|
|
|
-<p>This is an EXPERIMENTAL API.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.StreamStreamClientInterceptor.intercept_stream_stream">
|
|
|
-<code class="descname">intercept_stream_stream</code><span class="sig-paren">(</span><em>continuation</em>, <em>client_call_details</em>, <em>request_iterator</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#StreamStreamClientInterceptor.intercept_stream_stream"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamStreamClientInterceptor.intercept_stream_stream" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Intercepts a stream-stream invocation.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>continuation</strong> – A function that proceeds with the invocation by
|
|
|
-executing the next interceptor in chain or invoking the
|
|
|
-actual RPC on the underlying Channel. It is the interceptor’s
|
|
|
-responsibility to call it if it decides to move the RPC forward.
|
|
|
-The interceptor can use
|
|
|
-<cite>response_iterator = continuation(client_call_details, request_iterator)</cite>
|
|
|
-to continue with the RPC. <cite>continuation</cite> returns an object that is
|
|
|
-both a Call for the RPC and an iterator for response values.
|
|
|
-Drawing response values from the returned Call-iterator may
|
|
|
-raise RpcError indicating termination of the RPC with non-OK
|
|
|
-status.</li>
|
|
|
-<li><strong>client_call_details</strong> – A ClientCallDetails object describing the
|
|
|
-outgoing RPC.</li>
|
|
|
-<li><strong>request_iterator</strong> – An iterator that yields request values for the RPC.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and an iterator of
|
|
|
-response values. Drawing response values from the returned
|
|
|
-Call-iterator may raise RpcError indicating termination of
|
|
|
-the RPC with non-OK status.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="service-side-context">
|
|
|
-<h2>Service-Side Context<a class="headerlink" href="#service-side-context" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ServicerContext">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ServicerContext</code><a class="reference internal" href="_modules/grpc.html#ServicerContext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A context object passed to method implementations.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.abort">
|
|
|
-<code class="descname">abort</code><span class="sig-paren">(</span><em>code</em>, <em>details</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.abort"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.abort" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Raises an exception to terminate the RPC with a non-OK status.</p>
|
|
|
-<p>The code and details passed as arguments will supercede any existing
|
|
|
-ones.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>code</strong> – A StatusCode object to be sent to the client.
|
|
|
-It must not be StatusCode.OK.</li>
|
|
|
-<li><strong>details</strong> – An ASCII-encodable string to be sent to the client upon
|
|
|
-termination of the RPC.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Raises:</th><td class="field-body"><p class="first last"><code class="xref py py-exc docutils literal notranslate"><span class="pre">Exception</span></code> – An exception is always raised to signal the abortion the
|
|
|
-RPC to the gRPC runtime.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.auth_context">
|
|
|
-<code class="descname">auth_context</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.auth_context"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.auth_context" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Gets the auth context for the call.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">A map of strings to an iterable of bytes for each auth property.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.invocation_metadata">
|
|
|
-<code class="descname">invocation_metadata</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.invocation_metadata"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.invocation_metadata" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Accesses the metadata from the sent by the client.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The invocation <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a>.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.peer">
|
|
|
-<code class="descname">peer</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.peer"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.peer" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Identifies the peer that invoked the RPC being serviced.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">A string identifying the peer that invoked the RPC being serviced.
|
|
|
-The string format is determined by gRPC runtime.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.peer_identities">
|
|
|
-<code class="descname">peer_identities</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.peer_identities"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.peer_identities" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Gets one or more peer identity(s).</p>
|
|
|
-<p>Equivalent to
|
|
|
-servicer_context.auth_context().get(servicer_context.peer_identity_key())</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">An iterable of the identities, or None if the call is not
|
|
|
-authenticated. Each identity is returned as a raw bytes type.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.peer_identity_key">
|
|
|
-<code class="descname">peer_identity_key</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.peer_identity_key"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.peer_identity_key" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The auth property used to identify the peer.</p>
|
|
|
-<p>For example, “x509_common_name” or “x509_subject_alternative_name” are
|
|
|
-used to identify an SSL peer.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The auth property (string) that indicates the
|
|
|
-peer identity, or None if the call is not authenticated.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.send_initial_metadata">
|
|
|
-<code class="descname">send_initial_metadata</code><span class="sig-paren">(</span><em>initial_metadata</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.send_initial_metadata"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.send_initial_metadata" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Sends the initial metadata value to the client.</p>
|
|
|
-<p>This method need not be called by implementations if they have no
|
|
|
-metadata to add to what the gRPC runtime will transmit.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>initial_metadata</strong> – The initial <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a>.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.set_code">
|
|
|
-<code class="descname">set_code</code><span class="sig-paren">(</span><em>code</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.set_code"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.set_code" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Sets the value to be used as status code upon RPC completion.</p>
|
|
|
-<p>This method need not be called by method implementations if they wish
|
|
|
-the gRPC runtime to determine the status code of the RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>code</strong> – A StatusCode object to be sent to the client.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.set_details">
|
|
|
-<code class="descname">set_details</code><span class="sig-paren">(</span><em>details</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.set_details"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.set_details" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Sets the value to be used as detail string upon RPC completion.</p>
|
|
|
-<p>This method need not be called by method implementations if they have
|
|
|
-no details to transmit.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>details</strong> – An ASCII-encodable string to be sent to the client upon
|
|
|
-termination of the RPC.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServicerContext.set_trailing_metadata">
|
|
|
-<code class="descname">set_trailing_metadata</code><span class="sig-paren">(</span><em>trailing_metadata</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServicerContext.set_trailing_metadata"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServicerContext.set_trailing_metadata" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Sends the trailing metadata for the RPC.</p>
|
|
|
-<p>This method need not be called by implementations if they have no
|
|
|
-metadata to add to what the gRPC runtime will transmit.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>trailing_metadata</strong> – The trailing <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a>.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="service-side-handler">
|
|
|
-<h2>Service-Side Handler<a class="headerlink" href="#service-side-handler" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.RpcMethodHandler">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">RpcMethodHandler</code><a class="reference internal" href="_modules/grpc.html#RpcMethodHandler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.RpcMethodHandler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An implementation of a single RPC method.</p>
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.request_streaming">
|
|
|
-<code class="descname">request_streaming</code><a class="headerlink" href="#grpc.RpcMethodHandler.request_streaming" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Whether the RPC supports exactly one request message
|
|
|
-or any arbitrary number of request messages.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.response_streaming">
|
|
|
-<code class="descname">response_streaming</code><a class="headerlink" href="#grpc.RpcMethodHandler.response_streaming" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Whether the RPC supports exactly one response message
|
|
|
-or any arbitrary number of response messages.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.request_deserializer">
|
|
|
-<code class="descname">request_deserializer</code><a class="headerlink" href="#grpc.RpcMethodHandler.request_deserializer" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A callable behavior that accepts a byte string and
|
|
|
-returns an object suitable to be passed to this object’s business
|
|
|
-logic, or None to indicate that this object’s business logic should be
|
|
|
-passed the raw request bytes.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.response_serializer">
|
|
|
-<code class="descname">response_serializer</code><a class="headerlink" href="#grpc.RpcMethodHandler.response_serializer" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A callable behavior that accepts an object produced
|
|
|
-by this object’s business logic and returns a byte string, or None to
|
|
|
-indicate that the byte strings produced by this object’s business logic
|
|
|
-should be transmitted on the wire as they are.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.unary_unary">
|
|
|
-<code class="descname">unary_unary</code><a class="headerlink" href="#grpc.RpcMethodHandler.unary_unary" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>This object’s application-specific business logic as a
|
|
|
-callable value that takes a request value and a ServicerContext object
|
|
|
-and returns a response value. Only non-None if both request_streaming
|
|
|
-and response_streaming are False.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.unary_stream">
|
|
|
-<code class="descname">unary_stream</code><a class="headerlink" href="#grpc.RpcMethodHandler.unary_stream" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>This object’s application-specific business logic as a
|
|
|
-callable value that takes a request value and a ServicerContext object
|
|
|
-and returns an iterator of response values. Only non-None if
|
|
|
-request_streaming is False and response_streaming is True.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.stream_unary">
|
|
|
-<code class="descname">stream_unary</code><a class="headerlink" href="#grpc.RpcMethodHandler.stream_unary" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>This object’s application-specific business logic as a
|
|
|
-callable value that takes an iterator of request values and a
|
|
|
-ServicerContext object and returns a response value. Only non-None if
|
|
|
-request_streaming is True and response_streaming is False.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.RpcMethodHandler.stream_stream">
|
|
|
-<code class="descname">stream_stream</code><a class="headerlink" href="#grpc.RpcMethodHandler.stream_stream" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>This object’s application-specific business logic as a
|
|
|
-callable value that takes an iterator of request values and a
|
|
|
-ServicerContext object and returns an iterator of response values.
|
|
|
-Only non-None if request_streaming and response_streaming are both
|
|
|
-True.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.HandlerCallDetails">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">HandlerCallDetails</code><a class="reference internal" href="_modules/grpc.html#HandlerCallDetails"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.HandlerCallDetails" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Describes an RPC that has just arrived for service.
|
|
|
-.. attribute:: method</p>
|
|
|
-<blockquote>
|
|
|
-<div>The method name of the RPC.</div></blockquote>
|
|
|
-<dl class="attribute">
|
|
|
-<dt id="grpc.HandlerCallDetails.invocation_metadata">
|
|
|
-<code class="descname">invocation_metadata</code><a class="headerlink" href="#grpc.HandlerCallDetails.invocation_metadata" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>The <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> sent by the client.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.GenericRpcHandler">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">GenericRpcHandler</code><a class="reference internal" href="_modules/grpc.html#GenericRpcHandler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.GenericRpcHandler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An implementation of arbitrarily many RPC methods.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.GenericRpcHandler.service">
|
|
|
-<code class="descname">service</code><span class="sig-paren">(</span><em>handler_call_details</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#GenericRpcHandler.service"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.GenericRpcHandler.service" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Returns the handler for servicing the RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>handler_call_details</strong> – A HandlerCallDetails describing the RPC.</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">An RpcMethodHandler with which the RPC may be serviced if the
|
|
|
-implementation chooses to service this RPC, or None otherwise.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ServiceRpcHandler">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ServiceRpcHandler</code><a class="reference internal" href="_modules/grpc.html#ServiceRpcHandler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServiceRpcHandler" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>An implementation of RPC methods belonging to a service.</p>
|
|
|
-<p>A service handles RPC methods with structured names of the form
|
|
|
-‘/Service.Name/Service.Method’, where ‘Service.Name’ is the value
|
|
|
-returned by service_name(), and ‘Service.Method’ is the method
|
|
|
-name. A service can have multiple method names, but only a single
|
|
|
-service name.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServiceRpcHandler.service_name">
|
|
|
-<code class="descname">service_name</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServiceRpcHandler.service_name"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServiceRpcHandler.service_name" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Returns this service’s name.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">The service name.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="service-side-interceptor">
|
|
|
-<h2>Service-Side Interceptor<a class="headerlink" href="#service-side-interceptor" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.ServerInterceptor">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">ServerInterceptor</code><a class="reference internal" href="_modules/grpc.html#ServerInterceptor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServerInterceptor" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords intercepting incoming RPCs on the service-side.</p>
|
|
|
-<p>This is an EXPERIMENTAL API.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.ServerInterceptor.intercept_service">
|
|
|
-<code class="descname">intercept_service</code><span class="sig-paren">(</span><em>continuation</em>, <em>handler_call_details</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#ServerInterceptor.intercept_service"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.ServerInterceptor.intercept_service" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Intercepts incoming RPCs before handing them over to a handler.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>continuation</strong> – A function that takes a HandlerCallDetails and
|
|
|
-proceeds to invoke the next interceptor in the chain, if any,
|
|
|
-or the RPC handler lookup logic, with the call details passed
|
|
|
-as an argument, and returns an RpcMethodHandler instance if
|
|
|
-the RPC is considered serviced, or None otherwise.</li>
|
|
|
-<li><strong>handler_call_details</strong> – A HandlerCallDetails describing the RPC.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An RpcMethodHandler with which the RPC may be serviced if the
|
|
|
-interceptor chooses to service this RPC, or None otherwise.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="multi-callable">
|
|
|
-<h2>Multi-Callable<a class="headerlink" href="#multi-callable" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.UnaryUnaryMultiCallable">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">UnaryUnaryMultiCallable</code><a class="reference internal" href="_modules/grpc.html#UnaryUnaryMultiCallable"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryUnaryMultiCallable" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords invoking a unary-unary RPC from client-side.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.UnaryUnaryMultiCallable.__call__">
|
|
|
-<code class="descname">__call__</code><span class="sig-paren">(</span><em>request</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#UnaryUnaryMultiCallable.__call__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryUnaryMultiCallable.__call__" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Synchronously invokes the underlying RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request</strong> – The request value for the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional duration of time in seconds to allow
|
|
|
-for the RPC.</li>
|
|
|
-<li><strong>metadata</strong> – Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The response value for the RPC.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><p class="first last"><a class="reference internal" href="#grpc.RpcError" title="grpc.RpcError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RpcError</span></code></a> – Indicating that the RPC terminated with non-OK status. The
|
|
|
-raised RpcError will also be a Call for the RPC affording the RPC’s
|
|
|
-metadata, status code, and details.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.UnaryUnaryMultiCallable.future">
|
|
|
-<code class="descname">future</code><span class="sig-paren">(</span><em>request</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#UnaryUnaryMultiCallable.future"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryUnaryMultiCallable.future" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Asynchronously invokes the underlying RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request</strong> – The request value for the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional duration of time in seconds to allow for
|
|
|
-the RPC.</li>
|
|
|
-<li><strong>metadata</strong> – Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and a Future.
|
|
|
-In the event of RPC completion, the return Call-Future’s result
|
|
|
-value will be the response message of the RPC.
|
|
|
-Should the event terminate with non-OK status,
|
|
|
-the returned Call-Future’s exception value will be an RpcError.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.UnaryUnaryMultiCallable.with_call">
|
|
|
-<code class="descname">with_call</code><span class="sig-paren">(</span><em>request</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#UnaryUnaryMultiCallable.with_call"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryUnaryMultiCallable.with_call" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Synchronously invokes the underlying RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request</strong> – The request value for the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional durating of time in seconds to allow for
|
|
|
-the RPC.</li>
|
|
|
-<li><strong>metadata</strong> – Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The response value for the RPC and a Call value for the RPC.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><p class="first last"><a class="reference internal" href="#grpc.RpcError" title="grpc.RpcError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RpcError</span></code></a> – Indicating that the RPC terminated with non-OK status. The
|
|
|
-raised RpcError will also be a Call for the RPC affording the RPC’s
|
|
|
-metadata, status code, and details.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.UnaryStreamMultiCallable">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">UnaryStreamMultiCallable</code><a class="reference internal" href="_modules/grpc.html#UnaryStreamMultiCallable"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryStreamMultiCallable" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords invoking a unary-stream RPC from client-side.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.UnaryStreamMultiCallable.__call__">
|
|
|
-<code class="descname">__call__</code><span class="sig-paren">(</span><em>request</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#UnaryStreamMultiCallable.__call__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.UnaryStreamMultiCallable.__call__" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Invokes the underlying RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request</strong> – The request value for the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional duration of time in seconds to allow for
|
|
|
-the RPC. If None, the timeout is considered infinite.</li>
|
|
|
-<li><strong>metadata</strong> – An optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and an iterator of
|
|
|
-response values. Drawing response values from the returned
|
|
|
-Call-iterator may raise RpcError indicating termination of the
|
|
|
-RPC with non-OK status.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.StreamUnaryMultiCallable">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">StreamUnaryMultiCallable</code><a class="reference internal" href="_modules/grpc.html#StreamUnaryMultiCallable"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamUnaryMultiCallable" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords invoking a stream-unary RPC from client-side.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.StreamUnaryMultiCallable.__call__">
|
|
|
-<code class="descname">__call__</code><span class="sig-paren">(</span><em>request_iterator</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#StreamUnaryMultiCallable.__call__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamUnaryMultiCallable.__call__" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Synchronously invokes the underlying RPC.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request_iterator</strong> – An iterator that yields request values for
|
|
|
-the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional duration of time in seconds to allow for
|
|
|
-the RPC. If None, the timeout is considered infinite.</li>
|
|
|
-<li><strong>metadata</strong> – Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The response value for the RPC.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><p class="first last"><a class="reference internal" href="#grpc.RpcError" title="grpc.RpcError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RpcError</span></code></a> – Indicating that the RPC terminated with non-OK status. The
|
|
|
-raised RpcError will also implement grpc.Call, affording methods
|
|
|
-such as metadata, code, and details.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.StreamUnaryMultiCallable.future">
|
|
|
-<code class="descname">future</code><span class="sig-paren">(</span><em>request_iterator</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#StreamUnaryMultiCallable.future"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamUnaryMultiCallable.future" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Asynchronously invokes the underlying RPC on the client.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request_iterator</strong> – An iterator that yields request values for the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional duration of time in seconds to allow for
|
|
|
-the RPC. If None, the timeout is considered infinite.</li>
|
|
|
-<li><strong>metadata</strong> – Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and a Future.
|
|
|
-In the event of RPC completion, the return Call-Future’s result value
|
|
|
-will be the response message of the RPC. Should the event terminate
|
|
|
-with non-OK status, the returned Call-Future’s exception value will
|
|
|
-be an RpcError.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.StreamUnaryMultiCallable.with_call">
|
|
|
-<code class="descname">with_call</code><span class="sig-paren">(</span><em>request_iterator</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#StreamUnaryMultiCallable.with_call"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamUnaryMultiCallable.with_call" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Synchronously invokes the underlying RPC on the client.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request_iterator</strong> – An iterator that yields request values for
|
|
|
-the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional duration of time in seconds to allow for
|
|
|
-the RPC. If None, the timeout is considered infinite.</li>
|
|
|
-<li><strong>metadata</strong> – Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The response value for the RPC and a Call object for the RPC.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><p class="first last"><a class="reference internal" href="#grpc.RpcError" title="grpc.RpcError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RpcError</span></code></a> – Indicating that the RPC terminated with non-OK status. The
|
|
|
-raised RpcError will also be a Call for the RPC affording the RPC’s
|
|
|
-metadata, status code, and details.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.StreamStreamMultiCallable">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">StreamStreamMultiCallable</code><a class="reference internal" href="_modules/grpc.html#StreamStreamMultiCallable"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamStreamMultiCallable" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Affords invoking a stream-stream RPC on client-side.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.StreamStreamMultiCallable.__call__">
|
|
|
-<code class="descname">__call__</code><span class="sig-paren">(</span><em>request_iterator</em>, <em>timeout=None</em>, <em>metadata=None</em>, <em>credentials=None</em>, <em>wait_for_ready=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#StreamStreamMultiCallable.__call__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.StreamStreamMultiCallable.__call__" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Invokes the underlying RPC on the client.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
|
|
-<li><strong>request_iterator</strong> – An iterator that yields request values for the RPC.</li>
|
|
|
-<li><strong>timeout</strong> – An optional duration of time in seconds to allow for
|
|
|
-the RPC. If not specified, the timeout is considered infinite.</li>
|
|
|
-<li><strong>metadata</strong> – Optional <a class="reference internal" href="glossary.html#term-metadata"><span class="xref std std-term">metadata</span></a> to be transmitted to the
|
|
|
-service-side of the RPC.</li>
|
|
|
-<li><strong>credentials</strong> – An optional CallCredentials for the RPC.</li>
|
|
|
-<li><strong>wait_for_ready</strong> – An optional flag to enable wait for ready
|
|
|
-mechanism</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">An object that is both a Call for the RPC and an iterator of
|
|
|
-response values. Drawing response values from the returned
|
|
|
-Call-iterator may raise RpcError indicating termination of the
|
|
|
-RPC with non-OK status.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-</div>
|
|
|
-<div class="section" id="future">
|
|
|
-<h2>Future<a class="headerlink" href="#future" title="Permalink to this headline">¶</a></h2>
|
|
|
-<dl class="exception">
|
|
|
-<dt id="grpc.FutureTimeoutError">
|
|
|
-<em class="property">exception </em><code class="descclassname">grpc.</code><code class="descname">FutureTimeoutError</code><a class="reference internal" href="_modules/grpc.html#FutureTimeoutError"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.FutureTimeoutError" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Indicates that a method call on a Future timed out.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="exception">
|
|
|
-<dt id="grpc.FutureCancelledError">
|
|
|
-<em class="property">exception </em><code class="descclassname">grpc.</code><code class="descname">FutureCancelledError</code><a class="reference internal" href="_modules/grpc.html#FutureCancelledError"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.FutureCancelledError" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Indicates that the computation underlying a Future was cancelled.</p>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="class">
|
|
|
-<dt id="grpc.Future">
|
|
|
-<em class="property">class </em><code class="descclassname">grpc.</code><code class="descname">Future</code><a class="reference internal" href="_modules/grpc.html#Future"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>A representation of a computation in another control flow.</p>
|
|
|
-<p>Computations represented by a Future may be yet to be begun,
|
|
|
-may be ongoing, or may have already completed.</p>
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Future.add_done_callback">
|
|
|
-<code class="descname">add_done_callback</code><span class="sig-paren">(</span><em>fn</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.add_done_callback"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.add_done_callback" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Adds a function to be called at completion of the computation.</p>
|
|
|
-<p>The callback will be passed this Future object describing the outcome
|
|
|
-of the computation. Callbacks will be invoked after the future is
|
|
|
-terimated, whether successfully or not.</p>
|
|
|
-<p>If the computation has already completed, the callback will be called
|
|
|
-immediately.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>fn</strong> – A callable taking this Future object as its single parameter.</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Future.cancel">
|
|
|
-<code class="descname">cancel</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.cancel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.cancel" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Attempts to cancel the computation.</p>
|
|
|
-<p>This method does not block.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns True if the computation was canceled.<p>Returns False under all other circumstances, for example:</p>
|
|
|
-<ol class="arabic simple">
|
|
|
-<li>computation has begun and could not be canceled.</li>
|
|
|
-<li>computation has finished</li>
|
|
|
-<li><dl class="first docutils">
|
|
|
-<dt>computation is scheduled for execution and it is impossible</dt>
|
|
|
-<dd>to determine its state without blocking.</dd>
|
|
|
-</dl>
|
|
|
-</li>
|
|
|
-</ol>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Future.cancelled">
|
|
|
-<code class="descname">cancelled</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.cancelled"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.cancelled" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Describes whether the computation was cancelled.</p>
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-<p>This method does not block.</p>
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-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
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-<col class="field-body" />
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-<tbody valign="top">
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-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns True if the computation was cancelled before its result became
|
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-available.<p>Returns False under all other circumstances, for example:</p>
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-<ol class="arabic simple">
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-<li>computation was not cancelled.</li>
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-<li>computation’s result is available.</li>
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-</ol>
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-</td>
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-</tr>
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-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
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-</tr>
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-</tbody>
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-</table>
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-</dd></dl>
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-
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-<dl class="method">
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-<dt id="grpc.Future.done">
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-<code class="descname">done</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.done"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.done" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Describes whether the computation has taken place.</p>
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-<p>This method does not block.</p>
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-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
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-<col class="field-body" />
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-<tbody valign="top">
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-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns True if the computation already executed or was cancelled.
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-Returns False if the computation is scheduled for execution or
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-currently executing.
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-This is exactly opposite of the running() method’s result.</td>
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-</tr>
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-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
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-</tr>
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-</tbody>
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-</table>
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-</dd></dl>
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-
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-<dl class="method">
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-<dt id="grpc.Future.exception">
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-<code class="descname">exception</code><span class="sig-paren">(</span><em>timeout=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.exception"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.exception" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Return the exception raised by the computation.</p>
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-<p>This method may return immediately or may block.</p>
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-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
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-<col class="field-body" />
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-<tbody valign="top">
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-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>timeout</strong> – The length of time in seconds to wait for the computation to
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-terminate or be cancelled. If None, the call will block until the
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|
-computations’s termination.</p>
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-</td>
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-</tr>
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-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The exception raised by the computation, or None if the computation
|
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|
-did not raise an exception.</p>
|
|
|
-</td>
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-</tr>
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|
|
-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><ul class="first last simple">
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|
-<li><a class="reference internal" href="#grpc.FutureTimeoutError" title="grpc.FutureTimeoutError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">FutureTimeoutError</span></code></a> – If a timeout value is passed and the computation
|
|
|
-does not terminate within the allotted time.</li>
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|
|
-<li><a class="reference internal" href="#grpc.FutureCancelledError" title="grpc.FutureCancelledError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">FutureCancelledError</span></code></a> – If the computation was cancelled.</li>
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-</ul>
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-</td>
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-</tr>
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-</tbody>
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-</table>
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-</dd></dl>
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-
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-<dl class="method">
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-<dt id="grpc.Future.result">
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-<code class="descname">result</code><span class="sig-paren">(</span><em>timeout=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.result"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.result" title="Permalink to this definition">¶</a></dt>
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-<dd><p>Returns the result of the computation or raises its exception.</p>
|
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-<p>This method may return immediately or may block.</p>
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-<table class="docutils field-list" frame="void" rules="none">
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-<col class="field-name" />
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-<col class="field-body" />
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-<tbody valign="top">
|
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|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>timeout</strong> – The length of time in seconds to wait for the computation to
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|
-finish or be cancelled. If None, the call will block until the
|
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|
-computations’s termination.</p>
|
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-</td>
|
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-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The return value of the computation.</p>
|
|
|
-</td>
|
|
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-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><ul class="first last simple">
|
|
|
-<li><a class="reference internal" href="#grpc.FutureTimeoutError" title="grpc.FutureTimeoutError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">FutureTimeoutError</span></code></a> – If a timeout value is passed and the computation
|
|
|
-does not terminate within the allotted time.</li>
|
|
|
-<li><a class="reference internal" href="#grpc.FutureCancelledError" title="grpc.FutureCancelledError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">FutureCancelledError</span></code></a> – If the computation was cancelled.</li>
|
|
|
-<li><code class="xref py py-exc docutils literal notranslate"><span class="pre">Exception</span></code> – If the computation raised an exception, this call will
|
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-raise the same exception.</li>
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-</ul>
|
|
|
-</td>
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|
|
-</tr>
|
|
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-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
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|
-
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|
-<dl class="method">
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-<dt id="grpc.Future.running">
|
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|
-<code class="descname">running</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.running"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.running" title="Permalink to this definition">¶</a></dt>
|
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|
-<dd><p>Describes whether the computation is taking place.</p>
|
|
|
-<p>This method does not block.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns True if the computation is scheduled for execution or
|
|
|
-currently executing.<p>Returns False if the computation already executed or was cancelled.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
|
|
-</dd></dl>
|
|
|
-
|
|
|
-<dl class="method">
|
|
|
-<dt id="grpc.Future.traceback">
|
|
|
-<code class="descname">traceback</code><span class="sig-paren">(</span><em>timeout=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc.html#Future.traceback"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc.Future.traceback" title="Permalink to this definition">¶</a></dt>
|
|
|
-<dd><p>Access the traceback of the exception raised by the computation.</p>
|
|
|
-<p>This method may return immediately or may block.</p>
|
|
|
-<table class="docutils field-list" frame="void" rules="none">
|
|
|
-<col class="field-name" />
|
|
|
-<col class="field-body" />
|
|
|
-<tbody valign="top">
|
|
|
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>timeout</strong> – The length of time in seconds to wait for the computation
|
|
|
-to terminate or be cancelled. If None, the call will block until
|
|
|
-the computation’s termination.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The traceback of the exception raised by the computation, or None
|
|
|
-if the computation did not raise an exception.</p>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-<tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><ul class="first last simple">
|
|
|
-<li><a class="reference internal" href="#grpc.FutureTimeoutError" title="grpc.FutureTimeoutError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">FutureTimeoutError</span></code></a> – If a timeout value is passed and the computation
|
|
|
-does not terminate within the allotted time.</li>
|
|
|
-<li><a class="reference internal" href="#grpc.FutureCancelledError" title="grpc.FutureCancelledError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">FutureCancelledError</span></code></a> – If the computation was cancelled.</li>
|
|
|
-</ul>
|
|
|
-</td>
|
|
|
-</tr>
|
|
|
-</tbody>
|
|
|
-</table>
|
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|
-</dd></dl>
|
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-
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-</dd></dl>
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-
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-</div>
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-</div>
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- </div>
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- <div class="clearer"></div>
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- ©2018, The gRPC Authors.
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