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PODeploy matplotlib on heroku failed. How to do this correctly?
 

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    <p>I've install matplotlib in my virtualenv using pip. It was a failure at the beginning, but after I do <code>easy_install -U distribute</code>, the installation goes smoothly.</p> <p>Here is what I do (inside my git repository root folder):</p> <pre><code>virtualenv env source env/bin/activate pip install gunicorn pip install numpy easy_install -U distribute pip install matplotlib </code></pre> <p>Then, I make a requirements.txt by using <code>pip freeze &gt; requirements.txt</code>. Here is the result:</p> <pre><code>argparse==1.2.1 distribute==0.7.3 gunicorn==17.5 matplotlib==1.3.0 nose==1.3.0 numpy==1.7.1 pyparsing==2.0.1 python-dateutil==2.1 six==1.3.0 tornado==3.1 wsgiref==0.1.2 </code></pre> <p>Problem happened when I try to deploy my application:</p> <pre><code>(env)gofrendi@kirinThor:~/kokoropy$ git push -u heroku Counting objects: 9, done. Delta compression using up to 2 threads. Compressing objects: 100% (5/5), done. Writing objects: 100% (5/5), 586 bytes, done. Total 5 (delta 3), reused 0 (delta 0) -----&gt; Python app detected -----&gt; No runtime.txt provided; assuming python-2.7.4. -----&gt; Using Python runtime (python-2.7.4) -----&gt; Installing dependencies using Pip (1.3.1) Downloading/unpacking distribute==0.7.3 (from -r requirements.txt (line 2)) Running setup.py egg_info for package distribute Downloading/unpacking matplotlib==1.3.0 (from -r requirements.txt (line 4)) Running setup.py egg_info for package matplotlib The required version of distribute (&gt;=0.6.28) is not available, and can't be installed while this script is running. Please install a more recent version first, using 'easy_install -U distribute'. (Currently using distribute 0.6.24 (/app/.heroku/python/lib/python2.7/site-packages)) Complete output from command python setup.py egg_info: The required version of distribute (&gt;=0.6.28) is not available, and can't be installed while this script is running. Please install a more recent version first, using 'easy_install -U distribute'. (Currently using distribute 0.6.24 (/app/.heroku/python/lib/python2.7/site-packages)) ---------------------------------------- Command python setup.py egg_info failed with error code 2 in /tmp/pip-build-u55833/matplotlib Storing complete log in /app/.pip/pip.log ! Push rejected, failed to compile Python app To git@heroku.com:kokoropy.git ! [remote rejected] master -&gt; master (pre-receive hook declined) error: failed to push some refs to 'git@heroku.com:kokoropy.git' (env)gofrendi@kirinThor:~/kokoropy$ </code></pre> <p>Seems that heroku server can't install matplotlib correctly.</p> <p>When I do <code>easy_install -U distribute</code> it might not being recorded by pip. </p> <p>Matplotlib also has several non-python-library dependencies (such as: libjpeg8-dev, libfreetype and libpng6-dev). I can install those dependencies locally (e.g: via <code>apt-get</code>). However, this also not being recorded by pip.</p> <p>So, my question is: how to correctly install matplotlib in heroku deployment server?</p>
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