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https://issues.apache.org/jira/browse/BEAM-8350?focusedWorklogId=323503&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-323503
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ASF GitHub Bot logged work on BEAM-8350:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Oct/19 15:59
Start Date: 04/Oct/19 15:59
Worklog Time Spent: 10m
Work Description: chadrik commented on issue #9725: [BEAM-8350] Upgrade
to Pylint 2.4
URL: https://github.com/apache/beam/pull/9725#issuecomment-538169256
Here's a breakdown of the changes required to get to pylint 2.4:
- fix a bunch of warnings about deprecated methods. mostly `logger.warn`
and various unittest methods
- update the names of a few error codes: `disable=unused-import` and
`possibly-unused-variable`
- ignore a bunch of newly introduced style warnings that did not seem
important
- run the lint on python-3.7: this ensures that it can run on test files
that only work on python-37 due to syntax features
- merge the lint tests into one test:
- `run_pylint_2to3.sh` was just testing futurization. seems fine to do
this all the time now that our code is python2 compliant
- there was a "mini" test just for python3-compatibility. not needed
anymore now that everything is running on python3
- stop running `pycodestyle`: it's run as part of `flake8`
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Issue Time Tracking
-------------------
Worklog Id: (was: 323503)
Time Spent: 1h 20m (was: 1h 10m)
> Upgrade to pylint 2.4
> ---------------------
>
> Key: BEAM-8350
> URL: https://issues.apache.org/jira/browse/BEAM-8350
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Reporter: Chad Dombrova
> Assignee: Chad Dombrova
> Priority: Major
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> pylint 2.4 provides a number of new features and fixes, but the most
> important/pressing one for me is that 2.4 adds support for understanding
> python type annotations, which fixes a bunch of spurious unused import errors
> in the PR I'm working on for BEAM-7746.
> As of 2.0, pylint dropped support for running tests in python2, so to make
> the upgrade we have to move our lint jobs to python3. Doing so will put
> pylint into "python3-mode" and there is not an option to run in
> python2-compatible mode. That said, the beam code is intended to be python3
> compatible, so in practice, performing a python3 lint on the Beam code-base
> is perfectly safe. The primary risk of doing this is that someone introduces
> a python-3 only change that breaks python2, but these would largely be syntax
> errors that would be immediately caught by the unit and integration tests.
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