New submission from Toshio Kuratomi:
Tested on python-3.2 and python-3.3. platform.platform() looks for a file in
/etc/ that looks like it will contain the name of the Linux distribution that
python3 is running on. Once found, it reads the contents of the file to have a
name for the Linux distribution. Most Linux distributions do create files
inside of /etc/ with a single line which is the distribution name so this is a
good heuristic. However, these files are created by the operating system
vendor and so they can have a different encoding than the encoding of the
locale the user uses. This means that if there are non-ascii characters inside
the file, user code that invokes platform.platform() may throw a traceback.
Test:
$ LC_ALL=en_US.utf8 sudo echo ' Café' >> /etc/fedora-release
$ LC_ALL=C python3
>>> import platform
>>> platform.platform()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib64/python3.2/platform.py", line 1538, in platform
distname,distversion,distid = dist('')
File "/usr/lib64/python3.2/platform.py", line 358, in dist
full_distribution_name=0)
File "/usr/lib64/python3.2/platform.py", line 329, in linux_distribution
firstline = f.readline()
File "/usr/lib64/python3.2/encodings/ascii.py", line 26, in decode
return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 22:
ordinal not in range(128)
It seems that the standard method of fixing these that we're promoting in
python3 is to use surrogateescape. I'll provide a patch that does that.
----------
messages: 184234
nosy: a.badger
priority: normal
severity: normal
status: open
title: platform.platform() can throw Unicode error
versions: Python 3.2, Python 3.3
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Python tracker <[email protected]>
<http://bugs.python.org/issue17429>
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