Your First Patch! Submitting a Patch to CPython by Lisa Roach, Facebook Production Engineer

PyLadies Dublin @ Facebook
https://www.meetup.com/PyLadiesDublin/events/236605261/

Transcript

1. Your First Patch!
 Submitting a patch to CPython Lisa N Roach Facebook Production Engineer
2. Me • Production Engineer at Facebook in Infrastructure Security • Been contributing to CPython for ~1 year
3. What is CPython? The main implementation of Python
4. Two Truths and a Lie 1. CPython is an interpreter 2. The majority of CPython is written in C 3. CPython is the most widely used implementation of Python
5. Two Truths and a Lie 1. CPython is an interpreter 2. The majority of CPython is written in C 3. CPython is the most widely used implementation of Python
6. 2% C++ 1% C 40% Python 58% Languages of
 CPython
7. Patches? But Python is Perfect! • Bug Fixes • Feature Enhancements • Performance Enhancements • New Features • Documentation Updates
8. Python Developer’s Guide
 https://docs.python.org/devguide/
9. Lifecycle of a Patch 1. Find an issue
10. Python Issues List http://bugs.python.org/
15. Issue30486: Allow setting cell value
18. Lifecycle of a Patch 1. Find an issue 2. Update the code
19. Updating the Code 1. Code it 2. Write unit tests 3. Update documentation 4. Update Misc/NEWS
20. Updating the Code: Code It Objects/cellobject.c
21. Updating the Code: Write unit tests
 Lib/test/test_funcattrs.py
22. Updating the Code: Update documentation
 Doc/reference/datamodel.rst
23. Updating the Code: Update Misc/NEWS
 Misc/NEWS
24. Lifecycle of a Patch 1. Find an issue 2. Update the code 3. Submit a Pull Request 4. Receive feedback 5. Make updates 6. Get merged
25. Pull Request
26. Get Help! • Slack channel: PyLadies: #cpython-dev • Github: pyladies/pyladies-maintainers • Mailers: • Core-mentorship-request • Python-ideas
27. We Need You!