|  | @@ -36,25 +36,28 @@
 | 
	
		
			
				|  |  |  #include <cctype>
 | 
	
		
			
				|  |  |  #include <cstring>
 | 
	
		
			
				|  |  |  #include <map>
 | 
	
		
			
				|  |  | +#include <memory>
 | 
	
		
			
				|  |  |  #include <ostream>
 | 
	
		
			
				|  |  |  #include <sstream>
 | 
	
		
			
				|  |  | +#include <tuple>
 | 
	
		
			
				|  |  |  #include <vector>
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | +#include "grpc++/config.h"
 | 
	
		
			
				|  |  | +#include "src/compiler/config.h"
 | 
	
		
			
				|  |  |  #include "src/compiler/generator_helpers.h"
 | 
	
		
			
				|  |  |  #include "src/compiler/python_generator.h"
 | 
	
		
			
				|  |  | -#include <google/protobuf/io/printer.h>
 | 
	
		
			
				|  |  | -#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
 | 
	
		
			
				|  |  | -#include <google/protobuf/descriptor.pb.h>
 | 
	
		
			
				|  |  | -#include <google/protobuf/descriptor.h>
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  using grpc_generator::StringReplace;
 | 
	
		
			
				|  |  |  using grpc_generator::StripProto;
 | 
	
		
			
				|  |  | -using google::protobuf::Descriptor;
 | 
	
		
			
				|  |  | -using google::protobuf::FileDescriptor;
 | 
	
		
			
				|  |  | -using google::protobuf::MethodDescriptor;
 | 
	
		
			
				|  |  | -using google::protobuf::ServiceDescriptor;
 | 
	
		
			
				|  |  | -using google::protobuf::io::Printer;
 | 
	
		
			
				|  |  | -using google::protobuf::io::StringOutputStream;
 | 
	
		
			
				|  |  | +using grpc::protobuf::Descriptor;
 | 
	
		
			
				|  |  | +using grpc::protobuf::FileDescriptor;
 | 
	
		
			
				|  |  | +using grpc::protobuf::MethodDescriptor;
 | 
	
		
			
				|  |  | +using grpc::protobuf::ServiceDescriptor;
 | 
	
		
			
				|  |  | +using grpc::protobuf::compiler::GeneratorContext;
 | 
	
		
			
				|  |  | +using grpc::protobuf::io::CodedOutputStream;
 | 
	
		
			
				|  |  | +using grpc::protobuf::io::Printer;
 | 
	
		
			
				|  |  | +using grpc::protobuf::io::StringOutputStream;
 | 
	
		
			
				|  |  | +using grpc::protobuf::io::ZeroCopyOutputStream;
 | 
	
		
			
				|  |  |  using std::initializer_list;
 | 
	
		
			
				|  |  |  using std::make_pair;
 | 
	
		
			
				|  |  |  using std::map;
 | 
	
	
		
			
				|  | @@ -63,6 +66,41 @@ using std::replace;
 | 
	
		
			
				|  |  |  using std::vector;
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  namespace grpc_python_generator {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +PythonGrpcGenerator::PythonGrpcGenerator(const GeneratorConfiguration& config)
 | 
	
		
			
				|  |  | +    : config_(config) {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +PythonGrpcGenerator::~PythonGrpcGenerator() {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +bool PythonGrpcGenerator::Generate(
 | 
	
		
			
				|  |  | +    const FileDescriptor* file, const grpc::string& parameter,
 | 
	
		
			
				|  |  | +    GeneratorContext* context, grpc::string* error) const {
 | 
	
		
			
				|  |  | +  // Get output file name.
 | 
	
		
			
				|  |  | +  grpc::string file_name;
 | 
	
		
			
				|  |  | +  static const int proto_suffix_length = strlen(".proto");
 | 
	
		
			
				|  |  | +  if (file->name().size() > static_cast<size_t>(proto_suffix_length) &&
 | 
	
		
			
				|  |  | +      file->name().find_last_of(".proto") == file->name().size() - 1) {
 | 
	
		
			
				|  |  | +    file_name = file->name().substr(
 | 
	
		
			
				|  |  | +        0, file->name().size() - proto_suffix_length) + "_pb2.py";
 | 
	
		
			
				|  |  | +  } else {
 | 
	
		
			
				|  |  | +    *error = "Invalid proto file name. Proto file must end with .proto";
 | 
	
		
			
				|  |  | +    return false;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  std::unique_ptr<ZeroCopyOutputStream> output(
 | 
	
		
			
				|  |  | +      context->OpenForInsert(file_name, "module_scope"));
 | 
	
		
			
				|  |  | +  CodedOutputStream coded_out(output.get());
 | 
	
		
			
				|  |  | +  bool success = false;
 | 
	
		
			
				|  |  | +  grpc::string code = "";
 | 
	
		
			
				|  |  | +  tie(success, code) = grpc_python_generator::GetServices(file, config_);
 | 
	
		
			
				|  |  | +  if (success) {
 | 
	
		
			
				|  |  | +    coded_out.WriteRaw(code.data(), code.size());
 | 
	
		
			
				|  |  | +    return true;
 | 
	
		
			
				|  |  | +  } else {
 | 
	
		
			
				|  |  | +    return false;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  |  namespace {
 | 
	
		
			
				|  |  |  //////////////////////////////////
 | 
	
		
			
				|  |  |  // BEGIN FORMATTING BOILERPLATE //
 | 
	
	
		
			
				|  | @@ -70,14 +108,15 @@ namespace {
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  // Converts an initializer list of the form { key0, value0, key1, value1, ... }
 | 
	
		
			
				|  |  |  // into a map of key* to value*. Is merely a readability helper for later code.
 | 
	
		
			
				|  |  | -map<std::string, std::string> ListToDict(const initializer_list<std::string>& values) {
 | 
	
		
			
				|  |  | +map<grpc::string, grpc::string> ListToDict(
 | 
	
		
			
				|  |  | +    const initializer_list<grpc::string>& values) {
 | 
	
		
			
				|  |  |    assert(values.size() % 2 == 0);
 | 
	
		
			
				|  |  | -  map<std::string, std::string> value_map;
 | 
	
		
			
				|  |  | +  map<grpc::string, grpc::string> value_map;
 | 
	
		
			
				|  |  |    auto value_iter = values.begin();
 | 
	
		
			
				|  |  |    for (unsigned i = 0; i < values.size()/2; ++i) {
 | 
	
		
			
				|  |  | -    std::string key = *value_iter;
 | 
	
		
			
				|  |  | +    grpc::string key = *value_iter;
 | 
	
		
			
				|  |  |      ++value_iter;
 | 
	
		
			
				|  |  | -    std::string value = *value_iter;
 | 
	
		
			
				|  |  | +    grpc::string value = *value_iter;
 | 
	
		
			
				|  |  |      value_map[key] = value;
 | 
	
		
			
				|  |  |      ++value_iter;
 | 
	
		
			
				|  |  |    }
 | 
	
	
		
			
				|  | @@ -111,8 +150,8 @@ class IndentScope {
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  bool PrintServicer(const ServiceDescriptor* service,
 | 
	
		
			
				|  |  |                     Printer* out) {
 | 
	
		
			
				|  |  | -  std::string doc = "<fill me in later!>";
 | 
	
		
			
				|  |  | -  map<std::string, std::string> dict = ListToDict({
 | 
	
		
			
				|  |  | +  grpc::string doc = "<fill me in later!>";
 | 
	
		
			
				|  |  | +  map<grpc::string, grpc::string> dict = ListToDict({
 | 
	
		
			
				|  |  |          "Service", service->name(),
 | 
	
		
			
				|  |  |          "Documentation", doc,
 | 
	
		
			
				|  |  |        });
 | 
	
	
		
			
				|  | @@ -123,7 +162,7 @@ bool PrintServicer(const ServiceDescriptor* service,
 | 
	
		
			
				|  |  |      out->Print("__metaclass__ = abc.ABCMeta\n");
 | 
	
		
			
				|  |  |      for (int i = 0; i < service->method_count(); ++i) {
 | 
	
		
			
				|  |  |        auto meth = service->method(i);
 | 
	
		
			
				|  |  | -      std::string arg_name = meth->client_streaming() ?
 | 
	
		
			
				|  |  | +      grpc::string arg_name = meth->client_streaming() ?
 | 
	
		
			
				|  |  |            "request_iterator" : "request";
 | 
	
		
			
				|  |  |        out->Print("@abc.abstractmethod\n");
 | 
	
		
			
				|  |  |        out->Print("def $Method$(self, $ArgName$, context):\n",
 | 
	
	
		
			
				|  | @@ -138,8 +177,8 @@ bool PrintServicer(const ServiceDescriptor* service,
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  bool PrintServer(const ServiceDescriptor* service, Printer* out) {
 | 
	
		
			
				|  |  | -  std::string doc = "<fill me in later!>";
 | 
	
		
			
				|  |  | -  map<std::string, std::string> dict = ListToDict({
 | 
	
		
			
				|  |  | +  grpc::string doc = "<fill me in later!>";
 | 
	
		
			
				|  |  | +  map<grpc::string, grpc::string> dict = ListToDict({
 | 
	
		
			
				|  |  |          "Service", service->name(),
 | 
	
		
			
				|  |  |          "Documentation", doc,
 | 
	
		
			
				|  |  |        });
 | 
	
	
		
			
				|  | @@ -167,8 +206,8 @@ bool PrintServer(const ServiceDescriptor* service, Printer* out) {
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  bool PrintStub(const ServiceDescriptor* service,
 | 
	
		
			
				|  |  |                 Printer* out) {
 | 
	
		
			
				|  |  | -  std::string doc = "<fill me in later!>";
 | 
	
		
			
				|  |  | -  map<std::string, std::string> dict = ListToDict({
 | 
	
		
			
				|  |  | +  grpc::string doc = "<fill me in later!>";
 | 
	
		
			
				|  |  | +  map<grpc::string, grpc::string> dict = ListToDict({
 | 
	
		
			
				|  |  |          "Service", service->name(),
 | 
	
		
			
				|  |  |          "Documentation", doc,
 | 
	
		
			
				|  |  |        });
 | 
	
	
		
			
				|  | @@ -179,7 +218,7 @@ bool PrintStub(const ServiceDescriptor* service,
 | 
	
		
			
				|  |  |      out->Print("__metaclass__ = abc.ABCMeta\n");
 | 
	
		
			
				|  |  |      for (int i = 0; i < service->method_count(); ++i) {
 | 
	
		
			
				|  |  |        const MethodDescriptor* meth = service->method(i);
 | 
	
		
			
				|  |  | -      std::string arg_name = meth->client_streaming() ?
 | 
	
		
			
				|  |  | +      grpc::string arg_name = meth->client_streaming() ?
 | 
	
		
			
				|  |  |            "request_iterator" : "request";
 | 
	
		
			
				|  |  |        auto methdict = ListToDict({"Method", meth->name(), "ArgName", arg_name});
 | 
	
		
			
				|  |  |        out->Print("@abc.abstractmethod\n");
 | 
	
	
		
			
				|  | @@ -196,29 +235,29 @@ bool PrintStub(const ServiceDescriptor* service,
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  // TODO(protobuf team): Export `ModuleName` from protobuf's
 | 
	
		
			
				|  |  |  // `src/google/protobuf/compiler/python/python_generator.cc` file.
 | 
	
		
			
				|  |  | -std::string ModuleName(const std::string& filename) {
 | 
	
		
			
				|  |  | -  std::string basename = StripProto(filename);
 | 
	
		
			
				|  |  | +grpc::string ModuleName(const grpc::string& filename) {
 | 
	
		
			
				|  |  | +  grpc::string basename = StripProto(filename);
 | 
	
		
			
				|  |  |    basename = StringReplace(basename, "-", "_");
 | 
	
		
			
				|  |  |    basename = StringReplace(basename, "/", ".");
 | 
	
		
			
				|  |  |    return basename + "_pb2";
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  bool GetModuleAndMessagePath(const Descriptor* type,
 | 
	
		
			
				|  |  | -                             pair<std::string, std::string>* out) {
 | 
	
		
			
				|  |  | +                             pair<grpc::string, grpc::string>* out) {
 | 
	
		
			
				|  |  |    const Descriptor* path_elem_type = type;
 | 
	
		
			
				|  |  |    vector<const Descriptor*> message_path;
 | 
	
		
			
				|  |  |    do {
 | 
	
		
			
				|  |  |      message_path.push_back(path_elem_type);
 | 
	
		
			
				|  |  |      path_elem_type = path_elem_type->containing_type();
 | 
	
		
			
				|  |  |    } while (path_elem_type != nullptr);
 | 
	
		
			
				|  |  | -  std::string file_name = type->file()->name();
 | 
	
		
			
				|  |  | +  grpc::string file_name = type->file()->name();
 | 
	
		
			
				|  |  |    static const int proto_suffix_length = strlen(".proto");
 | 
	
		
			
				|  |  |    if (!(file_name.size() > static_cast<size_t>(proto_suffix_length) &&
 | 
	
		
			
				|  |  |          file_name.find_last_of(".proto") == file_name.size() - 1)) {
 | 
	
		
			
				|  |  |      return false;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -  std::string module = ModuleName(file_name);
 | 
	
		
			
				|  |  | -  std::string message_type;
 | 
	
		
			
				|  |  | +  grpc::string module = ModuleName(file_name);
 | 
	
		
			
				|  |  | +  grpc::string message_type;
 | 
	
		
			
				|  |  |    for (auto path_iter = message_path.rbegin();
 | 
	
		
			
				|  |  |         path_iter != message_path.rend(); ++path_iter) {
 | 
	
		
			
				|  |  |      message_type += (*path_iter)->name() + ".";
 | 
	
	
		
			
				|  | @@ -229,28 +268,30 @@ bool GetModuleAndMessagePath(const Descriptor* type,
 | 
	
		
			
				|  |  |    return true;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -bool PrintServerFactory(const std::string& package_qualified_service_name,
 | 
	
		
			
				|  |  | +bool PrintServerFactory(const grpc::string& package_qualified_service_name,
 | 
	
		
			
				|  |  |                          const ServiceDescriptor* service, Printer* out) {
 | 
	
		
			
				|  |  |    out->Print("def early_adopter_create_$Service$_server(servicer, port, "
 | 
	
		
			
				|  |  |               "root_certificates, key_chain_pairs):\n",
 | 
	
		
			
				|  |  |               "Service", service->name());
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  |      IndentScope raii_create_server_indent(out);
 | 
	
		
			
				|  |  | -    map<std::string, std::string> method_description_constructors;
 | 
	
		
			
				|  |  | -    map<std::string, pair<std::string, std::string>> input_message_modules_and_classes;
 | 
	
		
			
				|  |  | -    map<std::string, pair<std::string, std::string>> output_message_modules_and_classes;
 | 
	
		
			
				|  |  | +    map<grpc::string, grpc::string> method_description_constructors;
 | 
	
		
			
				|  |  | +    map<grpc::string, pair<grpc::string, grpc::string>>
 | 
	
		
			
				|  |  | +        input_message_modules_and_classes;
 | 
	
		
			
				|  |  | +    map<grpc::string, pair<grpc::string, grpc::string>>
 | 
	
		
			
				|  |  | +        output_message_modules_and_classes;
 | 
	
		
			
				|  |  |      for (int i = 0; i < service->method_count(); ++i) {
 | 
	
		
			
				|  |  |        const MethodDescriptor* method = service->method(i);
 | 
	
		
			
				|  |  | -      const std::string method_description_constructor =
 | 
	
		
			
				|  |  | -          std::string(method->client_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  | -          std::string(method->server_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  | +      const grpc::string method_description_constructor =
 | 
	
		
			
				|  |  | +          grpc::string(method->client_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  | +          grpc::string(method->server_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  |            "service_description";
 | 
	
		
			
				|  |  | -      pair<std::string, std::string> input_message_module_and_class;
 | 
	
		
			
				|  |  | +      pair<grpc::string, grpc::string> input_message_module_and_class;
 | 
	
		
			
				|  |  |        if (!GetModuleAndMessagePath(method->input_type(),
 | 
	
		
			
				|  |  |                                     &input_message_module_and_class)) {
 | 
	
		
			
				|  |  |          return false;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -      pair<std::string, std::string> output_message_module_and_class;
 | 
	
		
			
				|  |  | +      pair<grpc::string, grpc::string> output_message_module_and_class;
 | 
	
		
			
				|  |  |        if (!GetModuleAndMessagePath(method->output_type(),
 | 
	
		
			
				|  |  |                                     &output_message_module_and_class)) {
 | 
	
		
			
				|  |  |          return false;
 | 
	
	
		
			
				|  | @@ -271,7 +312,7 @@ bool PrintServerFactory(const std::string& package_qualified_service_name,
 | 
	
		
			
				|  |  |      for (auto& name_and_description_constructor :
 | 
	
		
			
				|  |  |           method_description_constructors) {
 | 
	
		
			
				|  |  |        IndentScope raii_descriptions_indent(out);
 | 
	
		
			
				|  |  | -      const std::string method_name = name_and_description_constructor.first;
 | 
	
		
			
				|  |  | +      const grpc::string method_name = name_and_description_constructor.first;
 | 
	
		
			
				|  |  |        auto input_message_module_and_class =
 | 
	
		
			
				|  |  |            input_message_modules_and_classes.find(method_name);
 | 
	
		
			
				|  |  |        auto output_message_module_and_class =
 | 
	
	
		
			
				|  | @@ -304,29 +345,31 @@ bool PrintServerFactory(const std::string& package_qualified_service_name,
 | 
	
		
			
				|  |  |    return true;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -bool PrintStubFactory(const std::string& package_qualified_service_name,
 | 
	
		
			
				|  |  | +bool PrintStubFactory(const grpc::string& package_qualified_service_name,
 | 
	
		
			
				|  |  |                        const ServiceDescriptor* service, Printer* out) {
 | 
	
		
			
				|  |  | -  map<std::string, std::string> dict = ListToDict({
 | 
	
		
			
				|  |  | +  map<grpc::string, grpc::string> dict = ListToDict({
 | 
	
		
			
				|  |  |          "Service", service->name(),
 | 
	
		
			
				|  |  |        });
 | 
	
		
			
				|  |  |    out->Print(dict, "def early_adopter_create_$Service$_stub(host, port):\n");
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  |      IndentScope raii_create_server_indent(out);
 | 
	
		
			
				|  |  | -    map<std::string, std::string> method_description_constructors;
 | 
	
		
			
				|  |  | -    map<std::string, pair<std::string, std::string>> input_message_modules_and_classes;
 | 
	
		
			
				|  |  | -    map<std::string, pair<std::string, std::string>> output_message_modules_and_classes;
 | 
	
		
			
				|  |  | +    map<grpc::string, grpc::string> method_description_constructors;
 | 
	
		
			
				|  |  | +    map<grpc::string, pair<grpc::string, grpc::string>>
 | 
	
		
			
				|  |  | +        input_message_modules_and_classes;
 | 
	
		
			
				|  |  | +    map<grpc::string, pair<grpc::string, grpc::string>>
 | 
	
		
			
				|  |  | +        output_message_modules_and_classes;
 | 
	
		
			
				|  |  |      for (int i = 0; i < service->method_count(); ++i) {
 | 
	
		
			
				|  |  |        const MethodDescriptor* method = service->method(i);
 | 
	
		
			
				|  |  | -      const std::string method_description_constructor =
 | 
	
		
			
				|  |  | -          std::string(method->client_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  | -          std::string(method->server_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  | +      const grpc::string method_description_constructor =
 | 
	
		
			
				|  |  | +          grpc::string(method->client_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  | +          grpc::string(method->server_streaming() ? "stream_" : "unary_") +
 | 
	
		
			
				|  |  |            "invocation_description";
 | 
	
		
			
				|  |  | -      pair<std::string, std::string> input_message_module_and_class;
 | 
	
		
			
				|  |  | +      pair<grpc::string, grpc::string> input_message_module_and_class;
 | 
	
		
			
				|  |  |        if (!GetModuleAndMessagePath(method->input_type(),
 | 
	
		
			
				|  |  |                                     &input_message_module_and_class)) {
 | 
	
		
			
				|  |  |          return false;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -      pair<std::string, std::string> output_message_module_and_class;
 | 
	
		
			
				|  |  | +      pair<grpc::string, grpc::string> output_message_module_and_class;
 | 
	
		
			
				|  |  |        if (!GetModuleAndMessagePath(method->output_type(),
 | 
	
		
			
				|  |  |                                     &output_message_module_and_class)) {
 | 
	
		
			
				|  |  |          return false;
 | 
	
	
		
			
				|  | @@ -347,7 +390,7 @@ bool PrintStubFactory(const std::string& package_qualified_service_name,
 | 
	
		
			
				|  |  |      for (auto& name_and_description_constructor :
 | 
	
		
			
				|  |  |           method_description_constructors) {
 | 
	
		
			
				|  |  |        IndentScope raii_descriptions_indent(out);
 | 
	
		
			
				|  |  | -      const std::string method_name = name_and_description_constructor.first;
 | 
	
		
			
				|  |  | +      const grpc::string method_name = name_and_description_constructor.first;
 | 
	
		
			
				|  |  |        auto input_message_module_and_class =
 | 
	
		
			
				|  |  |            input_message_modules_and_classes.find(method_name);
 | 
	
		
			
				|  |  |        auto output_message_module_and_class =
 | 
	
	
		
			
				|  | @@ -378,22 +421,25 @@ bool PrintStubFactory(const std::string& package_qualified_service_name,
 | 
	
		
			
				|  |  |    return true;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -bool PrintPreamble(const FileDescriptor* file, Printer* out) {
 | 
	
		
			
				|  |  | +bool PrintPreamble(const FileDescriptor* file,
 | 
	
		
			
				|  |  | +                   const GeneratorConfiguration& config, Printer* out) {
 | 
	
		
			
				|  |  |    out->Print("import abc\n");
 | 
	
		
			
				|  |  | -  out->Print("from grpc.early_adopter import implementations\n");
 | 
	
		
			
				|  |  | +  out->Print("from $Package$ import implementations\n",
 | 
	
		
			
				|  |  | +             "Package", config.implementations_package_root);
 | 
	
		
			
				|  |  |    out->Print("from grpc.framework.alpha import utilities\n");
 | 
	
		
			
				|  |  |    return true;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  }  // namespace
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -pair<bool, std::string> GetServices(const FileDescriptor* file) {
 | 
	
		
			
				|  |  | -  std::string output;
 | 
	
		
			
				|  |  | +pair<bool, grpc::string> GetServices(const FileDescriptor* file,
 | 
	
		
			
				|  |  | +                                    const GeneratorConfiguration& config) {
 | 
	
		
			
				|  |  | +  grpc::string output;
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  |      // Scope the output stream so it closes and finalizes output to the string.
 | 
	
		
			
				|  |  |      StringOutputStream output_stream(&output);
 | 
	
		
			
				|  |  |      Printer out(&output_stream, '$');
 | 
	
		
			
				|  |  | -    if (!PrintPreamble(file, &out)) {
 | 
	
		
			
				|  |  | +    if (!PrintPreamble(file, config, &out)) {
 | 
	
		
			
				|  |  |        return make_pair(false, "");
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  |      auto package = file->package();
 |