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authorGravatar Masood Malekghassemi <atash@google.com>2016-06-01 15:57:20 -0700
committerGravatar Masood Malekghassemi <atash@google.com>2016-07-01 10:18:43 -0700
commitebf81e7a0540a01079ac03661426cd3771664de7 (patch)
tree454fc0358b8ef5392078d9fdab94d600a88bdba3 /tools/distrib/python
parentd5fee35f932c5aa3234d0aafaaf1e7ac7af82f3e (diff)
Add programmatic access to protoc in grpcio-tools
Diffstat (limited to 'tools/distrib/python')
-rw-r--r--tools/distrib/python/grpcio_tools/grpc/tools/_protoc_compiler.pyx (renamed from tools/distrib/python/grpcio_tools/grpc/tools/protoc_compiler.pyx)0
-rw-r--r--tools/distrib/python/grpcio_tools/grpc/tools/command.py70
-rw-r--r--tools/distrib/python/grpcio_tools/grpc/tools/protoc.py13
-rw-r--r--tools/distrib/python/grpcio_tools/setup.py4
4 files changed, 82 insertions, 5 deletions
diff --git a/tools/distrib/python/grpcio_tools/grpc/tools/protoc_compiler.pyx b/tools/distrib/python/grpcio_tools/grpc/tools/_protoc_compiler.pyx
index a6530127c0..a6530127c0 100644
--- a/tools/distrib/python/grpcio_tools/grpc/tools/protoc_compiler.pyx
+++ b/tools/distrib/python/grpcio_tools/grpc/tools/_protoc_compiler.pyx
diff --git a/tools/distrib/python/grpcio_tools/grpc/tools/command.py b/tools/distrib/python/grpcio_tools/grpc/tools/command.py
new file mode 100644
index 0000000000..ccf38b7d56
--- /dev/null
+++ b/tools/distrib/python/grpcio_tools/grpc/tools/command.py
@@ -0,0 +1,70 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import os
+import sys
+
+import setuptools
+
+from grpc.tools import protoc
+
+
+class BuildProtoModules(setuptools.Command):
+ """Command to generate project *_pb2.py modules from proto files."""
+
+ description = 'build grpc protobuf modules'
+ user_options = []
+
+ def initialize_options(self):
+ pass
+
+ def finalize_options(self):
+ pass
+
+ def run(self):
+ # due to limitations of the proto generator, we require that only *one*
+ # directory is provided as an 'include' directory. We assume it's the '' key
+ # to `self.distribution.package_dir` (and get a key error if it's not
+ # there).
+ proto_files = []
+ inclusion_root = os.path.abspath(self.distribution.package_dir[''])
+ for root, _, files in os.walk(inclusion_root):
+ for filename in files:
+ if filename.endswith('.proto'):
+ proto_files.append(os.path.abspath(os.path.join(root, filename)))
+
+ for proto_file in proto_files:
+ command = [
+ 'grpc.tools.protoc',
+ '--proto_path={}'.format(inclusion_root),
+ '--python_out={}'.format(inclusion_root),
+ '--grpc_python_out={}'.format(inclusion_root),
+ ] + [proto_file]
+ if protoc.main(command) != 0:
+ sys.stderr.write('warning: {} failed'.format(command))
diff --git a/tools/distrib/python/grpcio_tools/grpc/tools/protoc.py b/tools/distrib/python/grpcio_tools/grpc/tools/protoc.py
index 1c69e78920..931fda27d2 100644
--- a/tools/distrib/python/grpcio_tools/grpc/tools/protoc.py
+++ b/tools/distrib/python/grpcio_tools/grpc/tools/protoc.py
@@ -32,10 +32,17 @@
import pkg_resources
import sys
-from grpc.tools import protoc_compiler
+from grpc.tools import _protoc_compiler
+def main(command_arguments):
+ """Run the protocol buffer compiler with the given command-line arguments.
+
+ Args:
+ command_arguments: a list of strings representing command line arguments to
+ `protoc`.
+ """
+ return _protoc_compiler.run_main(command_arguments)
if __name__ == '__main__':
proto_include = pkg_resources.resource_filename('grpc.tools', '_proto')
- protoc_compiler.run_main(
- sys.argv + ['-I{}'.format(proto_include)])
+ sys.exit(main(sys.argv + ['-I{}'.format(proto_include)]))
diff --git a/tools/distrib/python/grpcio_tools/setup.py b/tools/distrib/python/grpcio_tools/setup.py
index f9cb0534d5..afb6063906 100644
--- a/tools/distrib/python/grpcio_tools/setup.py
+++ b/tools/distrib/python/grpcio_tools/setup.py
@@ -99,8 +99,8 @@ def protoc_ext_module():
os.path.join(protoc_lib_deps.CC_INCLUDE, cc_file)
for cc_file in protoc_lib_deps.CC_FILES]
plugin_ext = extension.Extension(
- name='grpc.tools.protoc_compiler',
- sources=['grpc/tools/protoc_compiler.pyx'] + plugin_sources,
+ name='grpc.tools._protoc_compiler',
+ sources=['grpc/tools/_protoc_compiler.pyx'] + plugin_sources,
include_dirs=[
'.',
'grpc_root',