8000 gh-104374: Remove access to class scopes for inlined comprehensions by JelleZijlstra · Pull Request #104528 · python/cpython · GitHub
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gh-104374: Remove access to class scopes for inlined comprehensions #104528

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Merged
merged 10 commits into from
May 18, 2023
Merged

gh-104374: Remove access to class scopes for inlined comprehensions #104528

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3fad7b0
gh-104374: Remove access to class scopes for inlined comprehensions
JelleZijlstra May 16, 2023
fa11ca9
Update Lib/test/test_listcomps.py
JelleZijlstra May 16, 2023
1d776fd
Remove unnecessary change
JelleZijlstra May 16, 2023
932a2da
Better tests, copied from Carl's PR
JelleZijlstra May 16, 2023
d5653ae
A few more tests
JelleZijlstra May 16, 2023
ba3bacf
Merge remote-tracking branch 'upstream/main' into classcomp2
JelleZijlstra May 16, 2023
948bc1a
fix definition of 'in a class block'
carljm May 17, 2023
045478f
a couple more tests
carljm May 17, 2023
fc63272
Merge remote-tracking branch 'upstream/main' into classcomp2
JelleZijlstra May 18, 2023
afe0277
A few more tests
JelleZijlstra May 18, 2023
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a couple more tests
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@carljm
carljm committed May 17, 2023
commit 045478f8979385441a4be0423b84e3548a0cc5f7
13 changes: 13 additions & 0 deletions Lib/test/test_listcomps.py
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8000
Original file line number Diff line number Diff line change
Expand Up @@ -456,6 +456,19 @@ def test_nested_has_free_var(self):
outputs = {"items": [1]}
self._check_in_scopes(code, outputs, scopes=["class"])

def test_nested_free_var_not_bound_in_outer_comp(self):
code = """
z = 1
items = [a for a in [1] if [x for x in [1] if z]]
"""
self._check_in_scopes(code, {"items": [1]}, scopes=["module", "function"])
self._check_in_scopes(code, {"items": []}, ns={"z": 0}, scopes=["class"])

def test_nested_free_var_in_iter(self):
code = """
items = [_C for _C in [1] for [0, 1][[x for x in [1] if _C][0]] in [2]]
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Would be nice if we could test here that the name resolution in the inner listcomp here is right. I'll try to come up with some more tests around nested listcomps.

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Are you still planning to add more tests here, or improve this one?

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Yes, will push some more tests today or tomorrow. If you'd prefer to merge this now we can also do that; I can just write more tests in another PR.

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Yes, I think if we get known fixes merged sooner it's easier to do more effective fuzz testing; if we find more issues we can fix them in separate PRs, and we can add more tests that we think of in separate PRs.

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Just added two more tests and turned on automerge.

"""
self._check_in_scopes(code, {"items": [1]})


__test__ = {'doctests' : doctests}
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