Kaizen Today I Learned by Ville Säävuori

Posts tagged python

Optional Dependencies With Poetry

Some Python dependencies require build tools which can be problematic when running inside Docker or CI environment. Often these packages are also needed only in development or production so having them as optional dependencies can be really useful. I just learned that Poetry can do this. First, install your dependency with --optional flag:

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Fixing "Error loading MySQLdb module" on macOS 10.15 Catalina

MySql gets usually installed on MacOS by Brew, which installs a bunch of dylib libraries in /usr/local/opt/mysql/lib/. For some reason my Python installation is looking for wrong version of these files and I’ve yet to find a proper solution for matching up the dependencies. The error message looks like this:

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