CONTRIBUTING.md
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Tue, 25 Sep 2018 18:29:10 +0300
changeset 2341 210cddfa16cf
parent 2241 e762e234181d
permissions -rw-r--r--
Avoid division by zero in case width or height for page are not specified

traceback:
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 3755, in OnPaint
self.DoDrawing(dc)
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 3723, in DoDrawing
for y in xrange(self.PageSize[1] - (ystart * SCROLLBAR_UNIT) % self.PageSize[1], int(window_size[1] / self.ViewScale[1]), self.PageSize[1]):
<type 'exceptions.ZeroDivisionError'>: integer division or modulo by zero
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How Do I Submit A Good Pull Request?
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It's highly recommended to write nice and clean python code. Beremiz
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project tries to follows most of PEP-8 recommendations. They are
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automatically checked on every push and merge by Bitbucket pipelines.
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To avoid pushing "unclean" code, i's recommended to add one of the following
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commands to pre commit Mercurial hook into .hg/hgrc configuration file.
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Unfortunately script can't distinguish between real commit and shelve. If you
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are using shelve (or maybe some other affected commands), it's recommended to
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use pre-<command> and post-<command> hooks to create flags to skip checks on
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some operations.
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```
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[hooks]
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pre-shelve.linter = touch .hg/skiphook
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post-shelve.linter = rm .hg/skiphook
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pretxncommit.linter = ./tests/tools/check_source.sh --only-changes
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```
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or the same done using Docker container, so result will be the same as
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on Bitbucket pipeline.
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```
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[hooks]
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pre-shelve.linter = touch .hg/skiphook
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post-shelve.linter = rm .hg/skiphook
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pretxncommit.linter = hg status -m -n -a -n -I '**.py' --change $HG_NODE > files.lst && docker run --volume=$PWD:/beremiz --workdir="/beremiz" --volume=$PWD/../CanFestival-3:/CanFestival-3 --memory=1g --entrypoint=/beremiz/tests/tools/check_source.sh skvorl/beremiz-requirements --files-to-check files.lst
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```