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https://issues.apache.org/jira/browse/BEAM-5878?focusedWorklogId=318394&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-318394
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ASF GitHub Bot logged work on BEAM-5878:
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Author: ASF GitHub Bot
Created on: 25/Sep/19 15:01
Start Date: 25/Sep/19 15:01
Worklog Time Spent: 10m
Work Description: tvalentyn commented on issue #9237: [BEAM-5878] support
DoFns with Keyword-only arguments
URL: https://github.com/apache/beam/pull/9237#issuecomment-535065606
> @tvalentyn: should be before the end of the month. Trying to get in some
more 3.8/3.7 compat, and currently it's slated for release on Sept 22.
Hi @mmckerns do you have by chance an updated timeline for next release? I
don't know how complicated dill releases are, but would be happy to know if you
have any suggestions for how other dill users can help with releases. Thank you!
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Issue Time Tracking
-------------------
Worklog Id: (was: 318394)
Time Spent: 13h 50m (was: 13h 40m)
> Support DoFns with Keyword-only arguments in Python 3.
> ------------------------------------------------------
>
> Key: BEAM-5878
> URL: https://issues.apache.org/jira/browse/BEAM-5878
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
> Reporter: Valentyn Tymofieiev
> Assignee: yoshiki obata
> Priority: Minor
> Time Spent: 13h 50m
> Remaining Estimate: 0h
>
> Python 3.0 [adds a possibility|https://www.python.org/dev/peps/pep-3102/] to
> define functions with keyword-only arguments.
> Currently Beam does not handle them correctly. [~ruoyu] pointed out [one
> place|https://github.com/apache/beam/blob/a56ce43109c97c739fa08adca45528c41e3c925c/sdks/python/apache_beam/typehints/decorators.py#L118]
> in our codebase that we should fix: in Python in 3.0 inspect.getargspec()
> will fail on functions with keyword-only arguments, but a new method
> [inspect.getfullargspec()|https://docs.python.org/3/library/inspect.html#inspect.getfullargspec]
> supports them.
> There may be implications for our (best-effort) type-hints machinery.
> We should also add a Py3-only unit tests that covers DoFn's with keyword-only
> arguments once Beam Python 3 tests are in a good shape.
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