Gangmax Blog

Matplotlib and Its Local Library Dependencies

From here.

When install “matplotlib“ with “pip“, if you get the following error, it means the “freetype” and “png” libraries needed by matplotlib are not installed:

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============================================================================

                        * The following required packages can not be built:

                        * freetype, png

So install them:

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apt-cache search freetype | grep dev
apt-cache search libpng | grep dev
sudo apt-get install libfreetype6-dev libpng12-dev 
pip install matplotlib

Done.

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