Disallow undesirable implicit reexport with ImportFrom #12704
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Fixes python#12689 We always hid e.g. `import concurrent`, but looks like mypy never hid `from concurrent import futures`. It's possible this fix is pretty breaking for users, let's see what primer thinks. I last touched this logic in python#11707, which fixed cases involving implicitly reexported symbols that shared the name of a module
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hauntsaninja
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May 1, 2022
I'm fixing a bug in mypy's --no-implicit-reexport logic in python/mypy#12704 and mypy-primer flagged this
This was referenced May 1, 2022
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Okay, I think this change might be good? Opened pytest-dev/pytest#9906 and psycopg/psycopg#287 for the two mypy-primer hits. |
bluetech
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I'm fixing a bug in mypy's --no-implicit-reexport logic in python/mypy#12704 and mypy-primer flagged this
JukkaL
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May 9, 2022
mypy/semanal.py
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| or fullname not in self.modules | ||
| # but given `from somewhere import random_unrelated_module` we should hide | ||
| # random_unrelated_module | ||
| or not fullname.startswith(self.cur_mod_id) |
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What if there's a partial prefix, e.g. foo.ba vs foo.bar?
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Thanks, was a little sloppy. Fixed and added a test.
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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉 |
Gobot1234
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Aug 12, 2022
Fixes python#12689 We always hid e.g. `import concurrent`, but looks like mypy never hid `from concurrent import futures`. It's possible this fix is pretty breaking for users, let's see what primer thinks. I last touched this logic in python#11707, which fixed cases involving implicitly reexported symbols that shared the name of a module Co-authored-by: hauntsaninja <>
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Fixes #12689
We always hid e.g.
import concurrent, but looks like mypynever hid
from concurrent import futures. It's possible this fix ispretty breaking for users, let's see what primer thinks.
I last touched this logic in #11707, which fixed cases involving
implicitly reexported symbols that shared the name of a module