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https://issues.apache.org/jira/browse/BEAM-5776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16654501#comment-16654501
]
Valentyn Tymofieiev edited comment on BEAM-5776 at 10/18/18 1:27 AM:
---------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib/python3.5/inspect.py", line 1088, in getfullargspec
sigcls=Signature)
File "/usr/lib/python3.5/inspect.py", line 2231, in _signature_from_callable
skip_bound_arg=skip_bound_arg)
File "/usr/lib/python3.5/inspect.py", line 2061, in _signature_from_builtin
raise ValueError("no signature found for builtin {!r}".format(func))
ValueError: no signature found for builtin <method 'upper' of 'str' objects>
Traceback (most recent call last):
File
"/home/valentyn/projects/beam/py3/beam/sdks/python/apache_beam/typehints/decorators.py",
line 268, in getcallargs_forhints
callargs = inspect.getcallargs(func, *packed_typeargs, **typekwargs)
File "/usr/lib/python3.5/inspect.py", line 1284, in getcallargs
spec = getfullargspec(func)
File "/usr/lib/python3.5/inspect.py", line 1094, in getfullargspec
raise TypeError('unsupported callable') from ex
TypeError: unsupported callable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File
result = pcol | 'Map' >> beam.Map(str.upper)
File
"/home/valentyn/projects/beam/py3/beam/sdks/python/apache_beam/pvalue.py", line
111, in __or__
return self.pipeline.apply(ptransform, self)
File
"/home/valentyn/projects/beam/py3/beam/sdks/python/apache_beam/pipeline.py",
line 467, in apply
label or transform.label)
File
"/home/valentyn/projects/beam/py3/beam/sdks/python/apache_beam/pipeline.py",
line 477, in apply
return self.apply(transform, pvalueish)
File
"/home/valentyn/projects/beam/py3/beam/sdks/python/apache_beam/pipeline.py",
line 511, in apply
transform.type_check_inputs(pvalueish)
File
"/home/valentyn/projects/beam/py3/beam/sdks/python/apache_beam/transforms/ptransform.py",
line 702, in type_check_inputs
bindings = getcallargs_forhints(argspec_fn, *arg_types, **kwargs_types)
File
"/home/valentyn/projects/beam/py3/beam/sdks/python/apache_beam/typehints/decorators.py",
line 270, in getcallargs_forhints
raise TypeCheckError(e)
apache_beam.typehints.decorators.TypeCheckError: unsupported callable
:~$
was (Author: tvalentyn):
Traceback (most recent call last):
File "/usr/lib/python3.5/inspect.py", line 1088, in getfullargspec
sigcls=Signature)
File "/usr/lib/python3.5/inspect.py", line 2231, in _signature_from_callable
skip_bound_arg=skip_bound_arg)
File "/usr/lib/python3.5/inspect.py", line 2061, in _signature_from_builtin
raise ValueError("no signature found for builtin {!r}".format(func))
ValueError: no signature found for builtin <method 'upper' of 'str' objects>
> Using methods in map is broken on Python 3
> ------------------------------------------
>
> Key: BEAM-5776
> URL: https://issues.apache.org/jira/browse/BEAM-5776
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
> Reporter: Robert Bradshaw
> Assignee: Valentyn Tymofieiev
> Priority: Major
>
> E.g.
> {code:java}
> pcoll | beam.Map(str.upper){code}
> no longer works.
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