Daniel Gomes created BEAM-10041:
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Summary: Can't use action with add_value_provider_argument()
Key: BEAM-10041
URL: https://issues.apache.org/jira/browse/BEAM-10041
Project: Beam
Issue Type: Bug
Components: sdk-py-core
Affects Versions: 2.20.0
Environment: Apache Beam 2.20.0 (the GCP variant).
Python 3.6.9
Ubuntu 18.04
Reporter: Daniel Gomes
The following code:
{code:java}
from __future__ import absolute_import
from apache_beam.options.pipeline_options import PipelineOptions
class UserOptions(PipelineOptions):
@classmethod
def _add_argparse_args(cls, _parser):
_parser.add_value_provider_argument('--debug', action='store_true')
if __name__ == '__main__':
pipeline_options = PipelineOptions(streaming=True, save_main_session=True)
user_options = pipeline_options.view_as(UserOptions)
{code}
Fails with:
{noformat}
Traceback (most recent call last):
File "options.py", line 13, in <module>
user_options = pipeline_options.view_as(UserOptions)
File
"/home/.../.virtualenvs/data-flow/lib/python3.6/site-packages/apache_beam/options/pipeline_options.py",
line 335, in view_as
view = cls(self._flags)
File
"/home/.../.virtualenvs/data-flow/lib/python3.6/site-packages/apache_beam/options/pipeline_options.py",
line 205, in __init__
cls._add_argparse_args(parser) # type: ignore
File "options.py", line 8, in _add_argparse_args
_parser.add_value_provider_argument('--debug', action='store_true')
File
"/home/.../.virtualenvs/data-flow/lib/python3.6/site-packages/apache_beam/options/pipeline_options.py",
line 125, in add_value_provider_argument
self.add_argument(*args, **kwargs)
File "/usr/lib/python3.6/argparse.py", line 1347, in add_argument
action = action_class(**kwargs)
TypeError: __init__() got an unexpected keyword argument 'type'
{noformat}
Removing the `action` positional argument from the
`add_value_provider_argument()` call gets rid of the error.
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