matplotlib / matplotlib/basemap

Fail on basemap.drawcounties() Python 3.5.2

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Dominant language
Python
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Description

Platform:

```
Python 3.5.2 |Continuum Analytics, Inc.| (default, Jul 2 2016, 17:53:06)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux
```

Throws error on basemap.drawcounties() (over Illinois)

```
Traceback (most recent call last):
File "animate_aws.py", line 171, in
writer='imagemagick', fps=5)
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/matplotlib/animation.py", line 832, in save
anim._init_draw()
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/matplotlib/animation.py", line 1221, in _init_draw
self._draw_frame(next(self.new_frame_seq()))
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/matplotlib/animation.py", line 1243, in _draw_frame
self._drawn_artists = self._func(framedata, *self._args)
File "animate_aws.py", line 166, in animate
display.basemap.drawcounties()
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/mpl_toolkits/basemap/__init__.py", line 1980, in drawcounties
default_encoding='latin-1',drawbounds=drawbounds)
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/mpl_toolkits/basemap/__init__.py", line 2146, in readshapefile
for shprec in shf.shapeRecords():
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/mpl_toolkits/basemap/shapefile.py", line 543, in shapeRecords
for rec in zip(self.shapes(), self.records())]
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/mpl_toolkits/basemap/shapefile.py", line 515, in records
r = self.__record()
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/mpl_toolkits/basemap/shapefile.py", line 491, in __record
value = u(value)
File "/home/scollis/anaconda/envs/pyart35/lib/python3.5/site-packages/mpl_toolkits/basemap/shapefile.py", line 58, in u
return v.decode('utf-8')
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xf1 in position 2: invalid continuation byte
```

Contributor guide

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Research direction

Start with mpl_toolkits/basemap/shapefile.py, following records() and __record() from the reported drawcounties() traceback. Reproduce the Illinois drawcounties() call in the reported Python 3.5.2 environment and trace the encoding failure; done means the call completes without the UnicodeDecodeError.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data-visualization
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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