How can you contribute to Matplotlib?

slides: https://hackmd.io/@matplotlib/ncm

What is Matplotlib?

https://github.com/matplotlib

Library code

https://github.com/matplotlib/matplotlib

Website design and maintenance

Social media: @matplotart

https://www.instagram.com/matplotart/

Blog

https://blog.scientific-python.org/tags/matplotlib/
To contribute: https://github.com/scientific-python/blog.scientific-python.org

@matplotlib

https://twitter.com/matplotlib

How do you become a contributor?

• Figure out what you want to get out of contributing
  • Fix a problem, develop a skill, give back
• Talk to projects about their needs
• Read the contributor guidelines & Code of Conduct
• Do things that interest you & align with project goals
• Congrats, you’re a contributor!

Contributions to the main repository

• Bug triaging and issue curation
• Writing tests
• Writing documentation
• Submitting code changes

How to find good issues?

• Labels (e.g. "Good first issue")
• Start with pieces of the library you are familiar with
• Open an issue if you need more discussion before opening the PR
• Ask
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I have my issue… now what?

• Follow the Contributing guide -> "Develop" rubric on top navbar
• Follow the issue and PR templates
• Check for potential similar PRs that were merged before
  • Search for keywords in closed/merged PRs, or look in file history (Example)

How to set up for development

• Follow the Development setup guide
• We strongly recommend using conda or venv
• If you are on Windows, there may be extra steps to take

How to check install?

• Run tests: python -m pytest

• Build the documentation: make html (WARNING: Can be slow!)

• Import and check version (must contain something like dev)

  ​​​​>>> import matplotlib as mpl
  ​​​​>>> mpl.__version__
  ​​​​'3.6.0.dev4355+g2cc1ddcb98'
  

Community contributions: discourse

https://discourse.matplotlib.org/

• Usage questions
• Broader discussions

Third-party packages

• https://matplotlib.org/mpl-third-party/

Help! I've done x and I haven't heard back…

• https://gitter.im/matplotlib/matplotlib
  • Incubator
• https://discourse.matplotlib.org/c/development/contribute
• Ping (be mindful!)
• Community meetings: https://scientific-python.org/calendars

New contributor meetings

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Meeting notes for this meeting: https://hackmd.io/@matplotlib/ryQ0xkTxi