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joshkel/protobuf_test.py

Created September 25, 2018 02:23
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  1. joshkel created this gist Sep 25, 2018.
    25 changes: 25 additions & 0 deletions protobuf_test.py
    View file
    Original file line number Diff line number Diff line change
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    #!/usr/bin/env python3
    # Test file demonstrating issues from
    # https://github.com/protocolbuffers/protobuf/pull/5166
    # Try running with PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python
    # and with PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp

    import subprocess

    proto_definition = """
    syntax = "proto2";
    message TestMessage
    {
    optional int32 value = 1;
    }
    """

    with open('test.proto', 'w') as f:
    f.write(proto_definition)
    subprocess.check_call(['protoc', '--python_out=.', 'test.proto'])

    import test_pb2 # noqa

    test_message = test_pb2.TestMessage()
    print(test_message.ParseFromString(b'test'))