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ASF GitHub Bot logged work on BEAM-5878: ---------------------------------------- Author: ASF GitHub Bot Created on: 07/Aug/19 17:54 Start Date: 07/Aug/19 17:54 Worklog Time Spent: 10m Work Description: lazylynx commented on issue #9237: [BEAM-5878] support DoFns with Keyword-only arguments URL: https://github.com/apache/beam/pull/9237#issuecomment-519203798 Run Python PreCommit ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 290626) Time Spent: 6h 20m (was: 6h 10m) > 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 > Fix For: 2.16.0 > > Time Spent: 6h 20m > 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. -- This message was sent by Atlassian JIRA (v7.6.14#76016)