[Bug 1140206] Re: pydist-overrides ignores package names with hyphens

[Dmitrijs Ledkovs]

** Also affects: python-defaults (Ubuntu Quantal)
   Importance: Undecided
       Status: New

** Changed in: python-defaults (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1140206

Title:
  pydist-overrides ignores package names with hyphens

Status in “python-defaults” package in Ubuntu:
  Fix Released
Status in “python-defaults” source package in Quantal:
  New
Status in “python-defaults” package in Debian:
  Fix Released

Bug description:
  This is a bug that has already been found and fixed in Debian. I have
  verified this bug exists in Quantal (python-defaults 2.7.3-0ubuntu7).
  Because Ubuntu's package is not based on Debian's, this fix has not
  made it into Ubuntu releases.

  Here is a copy of the Debian bug report:

  
  From: Vangelis Koukis <vkoukis at grnet.gr>
  To: submit at bugs.debian.org
  Cc: kpap at grnet.gr
  Subject: dh_python2 ignores package names with hyphens in
   debian/pydist-overrides
  Date: Fri, 27 Jan 2012 21:51:19 +0200
  Package: python
  Version: 2.6.6-3+squeeze6
  Severity: normal
  Tags: patch

  Hello,

  dh_python2 parses debian/pydist-overrides incorrectly and ignores
  lines referring to packages with hyphens in their names, which seem to be 
  totally valid names for python distributions, e.g.,

  http://pypi.python.org/pypi/evasion-common/1.0.1
  http://pypi.python.org/pypi/ls-thrift-py-hadoop/1-cdh3u2

  So the following line:

  My-package python-mypackage

  is ignored.

  Also see,
  http://docs.python.org/distutils/examples.html#pure-python-distribution-by-module

  which mentions the hyphen as an acceptable character:
  "However, the distribution name is used to generate filenames, so you
  should stick to letters, digits, underscores, and hyphens."

  The problem seems to be with the definition of PYDIST_RE
  in python-defaults-{2.6.6,2.7.2}/debpython/pydist.py:

  PYDIST_RE = re.compile(r"""
      (?P<name>[A-Za-z][A-Za-z0-9_.]*)             # Python distribution name

  in which the name group is not allowed to contain hyphens.

  Adding '\-' in the last bracket expression seems to be a fix for
  the problem.

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=657665

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