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https://issues.apache.org/jira/browse/BEAM-3065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16208621#comment-16208621
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Chamikara Jayalath commented on BEAM-3065:
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After an offline chat with Robert,
(1) This will not occur if the proto files are already there (installing a
distribution from Pipy) so this should not be a blocker for 2.2.0.
(2) This will not occur if grpcio-tools is manually installed before building
the Beam distribution. (confirmed this).
So removing this from the 2.2.0 blockers list.
> Proto generation installation is broken for Windows
> ---------------------------------------------------
>
> Key: BEAM-3065
> URL: https://issues.apache.org/jira/browse/BEAM-3065
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Chamikara Jayalath
> Assignee: Robert Bradshaw
> Priority: Blocker
>
> "python setup.py sdist" and "python setup.py install" raises following error
> for Windows. Failure happens when running gen_protos.py. Robert, seems like
> you added this script. Can you take a look ?
> C:\Users\chamikara\beam_testing\windows_test_10_16_2017\beam\sdks\python\gen_protos.py:48:
> UserWarning: Installing grpcio-tools is recommended for development.
> warnings.warn('Installing grpcio-tools is recommended for development.')
> Traceback (most recent call last):
> File "<string>", line 1, in <module>
> File "c:\python27\Lib\multiprocessing\forking.py", line 380, in main
> prepare(preparation_data)
> File "c:\python27\Lib\multiprocessing\forking.py", line 510, in prepare
> '__parents_main__', file, path_name, etc
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\beam\sdks\python\setup.py",
> line 203, in <module>
> 'test': generate_protos_first(test),
> File "c:\python27\Lib\distutils\core.py", line 151, in setup
> dist.run_commands()
> File "c:\python27\Lib\distutils\dist.py", line 953, in run_commands
> self.run_command(cmd)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\install.py",
> line 67, in run
> self.do_egg_install()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\install.py",
> line 109, in do_egg_install
> self.run_command('bdist_egg')
> File "c:\python27\Lib\distutils\cmd.py", line 326, in run_command
> self.distribution.run_command(command)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\bdist_egg.py",
> line 169, in run
> cmd = self.call_command('install_lib', warn_dir=0)
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\bdist_egg.py",
> line 155, in call_command
> self.run_command(cmdname)
> File "c:\python27\Lib\distutils\cmd.py", line 326, in run_command
> self.distribution.run_command(command)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\install_lib.py",
> line 11, in run
> self.build()
> File "c:\python27\Lib\distutils\command\install_lib.py", line 109, in build
> self.run_command('build_py')
> File "c:\python27\Lib\distutils\cmd.py", line 326, in run_command
> self.distribution.run_command(command)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\beam\sdks\python\setup.py",
> line 143, in run
> gen_protos.generate_proto_files()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\beam\sdks\python\gen_protos.py",
> line 84, in generate_proto_files
> p.start()
> File "c:\python27\Lib\multiprocessing\process.py", line 130, in start
> self._popen = Popen(self)
> File "c:\python27\Lib\multiprocessing\forking.py", line 258, in __init__
> cmd = get_command_line() + [rhandle]
> File "c:\python27\Lib\multiprocessing\forking.py", line 358, in
> get_command_line
> is not going to be frozen to produce a Windows executable.''')
> RuntimeError:
> Attempt to start a new process before the current process
> has finished its bootstrapping phase.
> This probably means that you are on Windows and you have
> forgotten to use the proper idiom in the main module:
> if __name__ == '__main__':
> freeze_support()
> ...
> The "freeze_support()" line can be omitted if the program
> is not going to be frozen to produce a Windows executable.
> Traceback (most recent call last):
> File "setup.py", line 203, in <module>
> 'test': generate_protos_first(test),
> File "c:\python27\Lib\distutils\core.py", line 151, in setup
> dist.run_commands()
> File "c:\python27\Lib\distutils\dist.py", line 953, in run_commands
> self.run_command(cmd)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\install.py",
> line 67, in run
> self.do_egg_install()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\install.py",
> line 109, in do_egg_install
> self.run_command('bdist_egg')
> File "c:\python27\Lib\distutils\cmd.py", line 326, in run_command
> self.distribution.run_command(command)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\bdist_egg.py",
> line 169, in run
> cmd = self.call_command('install_lib', warn_dir=0)
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\bdist_egg.py",
> line 155, in call_command
> self.run_command(cmdname)
> File "c:\python27\Lib\distutils\cmd.py", line 326, in run_command
> self.distribution.run_command(command)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\env1\lib\site-packages\setuptools\command\install_lib.py",
> line 11, in run
> self.build()
> File "c:\python27\Lib\distutils\command\install_lib.py", line 109, in build
> self.run_command('build_py')
> File "c:\python27\Lib\distutils\cmd.py", line 326, in run_command
> self.distribution.run_command(command)
> File "c:\python27\Lib\distutils\dist.py", line 972, in run_command
> cmd_obj.run()
> File "setup.py", line 143, in run
> gen_protos.generate_proto_files()
> File
> "C:\Users\chamikara\beam_testing\windows_test_10_16_2017\beam\sdks\python\gen_protos.py",
> line 87, in generate_proto_files
> raise ValueError("Proto generation failed (see log for details).")
> ValueError: Proto generation failed (see log for details).
> (env1) PS
> C:\Users\chamikara\beam_testing\windows_test_10_16_2017\beam\sdks\python>
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