CONTRIBUTING
author Martijn Pieters <mjpieters@fb.com>
Sun, 09 Oct 2016 14:10:01 +0200
changeset 30118 c19266edd93e
parent 30084 a492610a2fc1
permissions -rw-r--r--
py3: a second argument to open can't be bytes This fixes open(filename, 'r'), open(filename, 'w'), etc. calls. In Python 3, that second argument *must* be a string, you can't use bytes. The fix is the same as used with getattr() (where the second argument must also always be a string); in the tokenizer, where we detect calls, if there is something that looks like a call to open (and is not an attribute, so the previous token is not a "." dot) then make sure that that second argument is not converted to a `bytes` object instead. There is some remaining issue where the current transformer will also rewrite open(f('foo')). However this also affect function for which we perform similar rewrite ('getattr', 'setattr', 'hasattr', 'safehasattr') and will be dealt with in a follow up.
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Our full contribution guidelines are in our wiki, please see:
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https://www.mercurial-scm.org/wiki/ContributingChanges
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If you just want a checklist to follow, you can go straight to
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https://www.mercurial-scm.org/wiki/ContributingChanges#Submission_checklist
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If you can't run the entire testsuite for some reason (it can be
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difficult on Windows), please at least run `contrib/check-code.py` on
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any files you've modified and run `python contrib/check-commit` on any
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commits you've made (for example, `python contrib/check-commit
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273ce12ad8f1` will report some style violations on a very old commit).