D2297: py3: backout 7c54917b31f6 to make sure second argument of open() is str

yuja (Yuya Nishihara) phabricator at mercurial-scm.org
Thu Feb 22 10:50:07 EST 2018

yuja added a comment.

  "There are around 100 occurences of open() call, it's better if we can
  prevent replacing all these calls
  "In future, when we will dropping all the compatibility code, we don't have
  to take care of changing pycompat.open back to open
  Yeah, that's the point why we have `from pycompat import open` to compensate
  the mess introduced by our code transformer. We want to keep 'rb' without b''.
  We could do that by the transformer, but I think it's better to keep the
  transformer less complicated.
  FWIW, we'll need to port many of these 100 open() calls to vfs. I have vague
  memory that Python 3.5 or 3.6 introduced another mess on Windows I/O around
  ANSI vs Unicode.

  rHG Mercurial


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Cc: yuja, mercurial-devel

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