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[peter green <plugwash@xxxxxxxxxxx>]

Public bug reported:

Attempting to load a changelog containing non-ascii utf-8 characters
using the changlog module python3-debian in ubuntu vivid (version
0.1.22ubuntu1 of python3-debian) fails.

root@debian:/#  zcat /usr/share/doc/qt4-doc/changelog.Debian.gz > testchangelog
root@debian:/# file testchangelog 
testchangelog: UTF-8 Unicode text
root@debian:/# python3
Python 3.4.3 (default, Mar 26 2015, 22:03:40) 
[GCC 4.9.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from debian import changelog
>>> f=open('testchangelog')
>>> c=changelog.Changelog(f)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/debian/changelog.py", line 250, in __init__
    strict=strict)
  File "/usr/lib/python3/dist-packages/debian/changelog.py", line 291, in parse_changelog
    for line in file:
  File "/usr/lib/python3.4/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 822: ordinal not in range(128)
>>>

According to the sourcecode the default encoding for the changelog
module is supposed to be utf-8 but it looks like that never actually
gets passed to whatever does the decoding.

Performing the same test in a Debian sid chroot succeeds
Performing the same test with python 2 succeeds

** Affects: python-debian (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1464882

Title:
  python3-debian fails to load utf-8 changelog

Status in python-debian package in Ubuntu:
  New

Bug description:
  Attempting to load a changelog containing non-ascii utf-8 characters
  using the changlog module python3-debian in ubuntu vivid (version
  0.1.22ubuntu1 of python3-debian) fails.

  root@debian:/#  zcat /usr/share/doc/qt4-doc/changelog.Debian.gz > testchangelog
  root@debian:/# file testchangelog 
  testchangelog: UTF-8 Unicode text
  root@debian:/# python3
  Python 3.4.3 (default, Mar 26 2015, 22:03:40) 
  [GCC 4.9.2] on linux
  Type "help", "copyright", "credits" or "license" for more information.
  >>> from debian import changelog
  >>> f=open('testchangelog')
  >>> c=changelog.Changelog(f)
  Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
    File "/usr/lib/python3/dist-packages/debian/changelog.py", line 250, in __init__
      strict=strict)
    File "/usr/lib/python3/dist-packages/debian/changelog.py", line 291, in parse_changelog
      for line in file:
    File "/usr/lib/python3.4/encodings/ascii.py", line 26, in decode
      return codecs.ascii_decode(input, self.errors)[0]
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 822: ordinal not in range(128)
  >>>

  According to the sourcecode the default encoding for the changelog
  module is supposed to be utf-8 but it looks like that never actually
  gets passed to whatever does the decoding.

  Performing the same test in a Debian sid chroot succeeds
  Performing the same test with python 2 succeeds

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