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POMatplotlib, mathtext findfont issue in py2exe app
 

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  1. POMatplotlib, mathtext findfont issue in py2exe app
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    <p>I've created a wxapp which uses Matplotlib/mathtext fonts and converted it into an exe with py2exe. The resultant exe runs fine on my pc. However when I take it elsewhere it crashes with the following in app.exe.log:</p> <pre><code>~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['STIXGeneral'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1226: UserWarning: findfont: Could not match :family=Bitstream Vera Sans:style=normal:variant=normal:weight=normal:stretch=normal:size=12. Returning c:\windows\fonts\browai.ttf ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['STIXSizeOneSym'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1226: UserWarning: findfont: Could not match :family=Bitstream Vera Sans:style=normal:variant=normal:weight=bold:stretch=normal:size=12. Returning c:\windows\fonts\browai.ttf ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['STIXSizeThreeSym'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['STIXSizeFourSym'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['STIXSizeFiveSym'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['STIXSizeTwoSym'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1226: UserWarning: findfont: Could not match :family=Bitstream Vera Sans:style=italic:variant=normal:weight=normal:stretch=normal:size=12. Returning c:\windows\fonts\browai.ttf ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['STIXNonUnicode'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['cmb10'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['cmtt10'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['cmmi10'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['cmex10'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['cmsy10'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['cmr10'] not found. Falling back to Bitstream Vera Sans ~\dist\library.zip\matplotlib\font_manager.py:1216: UserWarning: findfont: Font family ['cmss10'] not found. Falling back to Bitstream Vera Sans </code></pre> <p>And I also see a traceback which ends with:</p> <pre><code>... File "matplotlib\mathtext.pyo", line 720, in _get_glyph KeyError: 98 </code></pre> <p>The fonts that can't be found are all used by matplotlib/mathtext.</p> <p>I discovered that both the methods within setup.py I tried for getting data_files (using glob and matplotlib.get_py2exe_datafiles) were not working and nothing was getting copied to my mpl-data/fonts directory. The source directory: C:\Python27\Lib\site-packages\matplotlib\mpl-data\fonts contains 3 folders: afm, pdfcorefonts &amp; ttf. The ttf folder is where the mathtext fonts mentioned above are located.</p> <p>I tried manually copying the entire mpl-data folder into the dist folder after running py2exe on setup.py and also modifying glob to get the 3 font directories but still I get the same error.</p> <p>It seems that the findfont method in matplotlib's font_manager isn't working after running through py2exe and I guess when _get_glyph in mathtext.pyo attempts to use Bitstream Vera Sans font it crashes.</p>
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    1. USJonno
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    1. COYou might give `pyinstaller` a try instead. I've found it to be more matplotlib-friendly by default than `py2exe`. http://www.pyinstaller.org/
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      1. USJoe Kington
    2. COI've tried pyinstaller quickly with the defaults and it also crashes on a fresh machine but without a log. Do you know how to have the exe produce a log or keep the window open in pyinstaller?
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      1. USJonno
    3. CONever mind I was being thick. Running from cmd line I get the same errors with pyinstaller:
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      1. USJonno
 

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