On 12/6/2013 12:45 PM, Thomas Kluyver wrote:
On 6 December 2013 04:55, Joel B. Mohler <[email protected]
<mailto:[email protected]>> wrote:
C:\Python27\lib\site-packages\matplotlib\__init__.py in Verbose()
--> 252 for arg in map(six.u, sys.argv[1:]):
C:\Python27\lib\site-packages\six.pyc in u(s)
--> 468 return unicode(s, "unicode_escape")
UnicodeDecodeError: 'unicodeescape' codec can't decode bytes in
position
2-3: truncated \UXXXXXXXX escape
I'll bet that one of the arguments starts with C:\Users. It looks like
six.u() can't be applied to arbitrary input (it's intended for literals).
Indeed, I suspect you are exactly right. After pondering the transcript
below, I think it is bad idea to apply six.u to any sort of relatively
unknown input. In any case, I believe this effectively breaks
matplotlib in the IPython notebook on windows and other very simple
things. Behold:
C:\>python -c "import matplotlib" any_old_thing_with_\u_in_it
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "c:\python27\lib\site-packages\matplotlib\__init__.py", line
240, in <module>
class Verbose:
File "c:\python27\lib\site-packages\matplotlib\__init__.py", line
252, in Verbose
for arg in map(six.u, sys.argv[1:]):
File "c:\python27\lib\site-packages\six.py", line 468, in u
return unicode(s, "unicode_escape")
UnicodeDecodeError: 'unicodeescape' codec can't decode bytes in position
19-20: truncated \uXXXX escape
It seems to me that this changeset needs to be rolled back, but I don't
clearly see the problem that it was intended to fix.
Joel
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