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"""Utilities for RPC Framework's Face interface."""
import collections
# stream is referenced from specification in this module.
from grpc.framework.common import cardinality
from grpc.framework.common import style
from grpc.framework.foundation import stream # pylint: disable=unused-import
from grpc.framework.interfaces.face import face
class _MethodImplementation(
face.MethodImplementation,
collections.namedtuple(
'_MethodImplementation',
['cardinality', 'style', 'unary_unary_inline', 'unary_stream_inline',
'stream_unary_inline', 'stream_stream_inline', 'unary_unary_event',
'unary_stream_event', 'stream_unary_event', 'stream_stream_event',])):
pass
[docs]def unary_unary_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-unary RPC method as a callable value
that takes a request value and an face.ServicerContext object and
returns a response value.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.UNARY_UNARY, style.Service.INLINE, behavior,
None, None, None, None, None, None, None)
[docs]def unary_stream_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-stream RPC method as a callable
value that takes a request value and an face.ServicerContext object and
returns an iterator of response values.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.UNARY_STREAM, style.Service.INLINE, None,
behavior, None, None, None, None, None, None)
[docs]def stream_unary_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-unary RPC method as a callable
value that takes an iterator of request values and an
face.ServicerContext object and returns a response value.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.STREAM_UNARY, style.Service.INLINE, None, None,
behavior, None, None, None, None, None)
[docs]def stream_stream_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-stream RPC method as a callable
value that takes an iterator of request values and an
face.ServicerContext object and returns an iterator of response values.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.STREAM_STREAM, style.Service.INLINE, None, None,
None, behavior, None, None, None, None)
[docs]def unary_unary_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-unary RPC method as a callable
value that takes a request value, a response callback to which to pass
the response value of the RPC, and an face.ServicerContext.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.UNARY_UNARY, style.Service.EVENT, None, None,
None, None, behavior, None, None, None)
[docs]def unary_stream_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-stream RPC method as a callable
value that takes a request value, a stream.Consumer to which to pass the
the response values of the RPC, and an face.ServicerContext.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.UNARY_STREAM, style.Service.EVENT, None, None,
None, None, None, behavior, None, None)
[docs]def stream_unary_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-unary RPC method as a callable
value that takes a response callback to which to pass the response value
of the RPC and an face.ServicerContext and returns a stream.Consumer to
which the request values of the RPC should be passed.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.STREAM_UNARY, style.Service.EVENT, None, None,
None, None, None, None, behavior, None)
[docs]def stream_stream_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-stream RPC method as a callable
value that takes a stream.Consumer to which to pass the response values
of the RPC and an face.ServicerContext and returns a stream.Consumer to
which the request values of the RPC should be passed.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(
cardinality.Cardinality.STREAM_STREAM, style.Service.EVENT, None, None,
None, None, None, None, None, behavior)