On 26 August 2011 01:38, Michael Droettboom <md...@stsci.edu> wrote:
> On 08/24/2011 01:41 PM, Michael Droettboom wrote:
>> On 08/24/2011 11:07 AM, Grahame Bowland wrote:
>>
>>> Another thing - I think I've found a str/bytes bug which I can't
>>> figure it out. I've attached the code, if I run it on my machine I get
>>> this output:
>>>
>>> Traceback (most recent call last):
>>> File "crash.py", line 24, in<module>
>>> fig.canvas.print_figure(open('test.png', 'wb'), bbox_inches='tight')
>>> File
>>> "/opt/shrubbery/lib/python3.2/site-packages/matplotlib/backend_bases.py",
>>> line 1951, in print_figure
>>> bbox_inches = self.figure.get_tightbbox(renderer)
>>> File "/opt/shrubbery/lib/python3.2/site-packages/matplotlib/figure.py",
>>> line 1292, in get_tightbbox
>>> for ax in self.axes:
>>> File "/opt/shrubbery/lib/python3.2/site-packages/matplotlib/figure.py",
>>> line 290, in _get_axes
>>> return self._axstack.as_list()
>>> File "/opt/shrubbery/lib/python3.2/site-packages/matplotlib/figure.py",
>>> line 59, in as_list
>>> ia_list = [a for k, a in self._elements]
>>> File "/opt/shrubbery/lib/python3.2/site-packages/matplotlib/figure.py",
>>> line 59, in<listcomp>
>>> ia_list = [a for k, a in self._elements]
>>> TypeError: string argument expected, got 'bytes'
>>>
>>> It's definitely something to do with the bbox_inches='tight' argument,
>>> if I take that out everything works. Using the debugger I can't see
>>> anything in any stack frame that explains the traceback - really odd!
>>>
>> Can you file an issue for this in the matplotlib-py3 github project?
>> I'm busy getting the matplotlib 1.1.x release finished up at the moment,
>> and don't have a working environment for Python 3 right now. I'd hate
>> for this bug to fall through the cracks.
>>
> Indeed a confusing bug -- errors were not being returned correctly from
> the PNG extension.
>
> Can you confirm that
>
> https://github.com/matplotlib/matplotlib-py3/commit/927acf856bb321e22938846bb39f8b32d90172d4
>
> resolves the issue?
Hi Mike
Thanks very much, that solves the problem.
Cheers
Grahame
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