Add config key to extend config files #19135
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hasier
commented
May 23, 2025
mypy/config_parser.py
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| section = parser["mypy"] | ||
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| extend = parser["mypy"].pop("extend", None) |
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[info] I thought about adding extend to the toml/ini templates above, but I was not sure of the way they might be used elsewhere, so it felt like doing something ad-hoc would be more suitable here. Happy to change it if there's another preferred way.
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# Conflicts: # mypy/config_parser.py
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Diff from mypy_primer, showing the effect of this PR on open source code: AutoSplit (https://github.com/Toufool/AutoSplit)
- File "/tmp/mypy_primer/mypy_old/venv/bin/mypy", line 7, in <module>
+ File "/tmp/mypy_primer/mypy_new/venv/bin/mypy", line 7, in <module>
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/main.py", line 127, in main
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/main.py", line 127, in main
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/main.py", line 211, in run_build
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/main.py", line 211, in run_build
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/build.py", line 196, in build
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/build.py", line 196, in build
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/build.py", line 272, in _build
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/build.py", line 272, in _build
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/build.py", line 2946, in dispatch
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/build.py", line 2946, in dispatch
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/build.py", line 3346, in process_graph
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/build.py", line 3346, in process_graph
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/build.py", line 3475, in process_stale_scc
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/build.py", line 3475, in process_stale_scc
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/build.py", line 2493, in write_cache
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/build.py", line 2493, in write_cache
- File "/tmp/mypy_primer/mypy_old/venv/lib/python3.13/site-packages/mypy/cache.py", line 28, in __init__
+ File "/tmp/mypy_primer/mypy_new/venv/lib/python3.13/site-packages/mypy/cache.py", line 28, in __init__
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I don't think the latest |
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Fixes #9620
First and foremost, thanks to everyone that's working on maintaining and extending this project! 🙇 This is my first contribution here, hopefully a useful one.
I have been working in a monorepo project for a while and we have been trying to consolidate some of our configurations. I was coming from doing this with
ruff, but I couldn't find a way formypyto combine config files, when I found this comment. Seeing there was already an open discussion for it and a pointer in that direction, I thought I'd give it a go at updating themypybehaviour.I understand this might require a broader discussion regarding how this config extension/merge should happen, so I know this PR might not be the preferred option. Happy to contribute to the discussion however I can, but I thought it might be good to re-open the discussion with a (potential) solution in this PR.