Fixed bug that results in a false positive when accessing a generic a…#10305
Merged
Fixed bug that results in a false positive when accessing a generic a…#10305
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…ttribute from an object whose type is `type[X]`. This addresses #10304.
Contributor
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Diff from mypy_primer, showing the effect of this PR on open source code: sympy (https://github.com/sympy/sympy)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:358:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:358:36 - error: Cannot access attribute "diff" for class "Unequality"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:360:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:360:36 - error: Cannot access attribute "diff" for class "Unequality"
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:363:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:363:36 - error: Cannot access attribute "diff" for class "Unequality"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:370:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:370:36 - error: Cannot access attribute "diff" for class "Unequality"
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:372:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:372:36 - error: Cannot access attribute "diff" for class "Unequality"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:374:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:374:36 - error: Cannot access attribute "diff" for class "Unequality"
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:376:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:376:36 - error: Cannot access attribute "diff" for class "Unequality"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:389:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:389:36 - error: Cannot access attribute "diff" for class "Unequality"
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:390:36 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:390:36 - error: Cannot access attribute "diff" for class "Unequality"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:394:38 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:394:38 - error: Cannot access attribute "diff" for class "Unequality"
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:395:38 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:395:38 - error: Cannot access attribute "diff" for class "Unequality"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:396:38 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:396:38 - error: Cannot access attribute "diff" for class "Unequality"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:397:38 - error: Cannot access attribute "diff" for class "Relational"
+ Attribute "diff" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_indexed.py:397:38 - error: Cannot access attribute "diff" for class "Unequality"
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:554:13 - error: Cannot access attribute "canon_bp" for class "Expr"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:554:13 - error: Cannot access attribute "canon_bp" for class "One"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:554:13 - error: Cannot access attribute "canon_bp" for class "Zero"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:554:13 - error: Cannot access attribute "canon_bp" for class "TensExpr"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Expr"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Zero"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "One"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "NegativeOne"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Integer"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Rational"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "NaN"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "ComplexInfinity"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Half"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Infinity"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "NegativeInfinity"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Float"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:558:15 - error: Cannot access attribute "canon_bp" for class "Number"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:577:13 - error: Cannot access attribute "canon_bp" for class "Expr"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:577:13 - error: Cannot access attribute "canon_bp" for class "One"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:577:13 - error: Cannot access attribute "canon_bp" for class "NegativeOne"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:577:13 - error: Cannot access attribute "canon_bp" for class "Zero"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
+ /tmp/mypy_primer/projects/sympy/sympy/tensor/tests/test_tensor.py:577:13 - error: Cannot access attribute "canon_bp" for class "Integer"
+ Attribute "canon_bp" is unknown (reportAttributeAccessIssue)
... (truncated 65 lines) ...
pytest (https://github.com/pytest-dev/pytest)
- /tmp/mypy_primer/projects/pytest/src/_pytest/capture.py:933:56 - error: Access to generic instance variable through class is ambiguous (reportGeneralTypeIssues)
- /tmp/mypy_primer/projects/pytest/src/_pytest/capture.py:934:56 - error: Access to generic instance variable through class is ambiguous (reportGeneralTypeIssues)
- /tmp/mypy_primer/projects/pytest/src/_pytest/capture.py:966:48 - error: Access to generic instance variable through class is ambiguous (reportGeneralTypeIssues)
- /tmp/mypy_primer/projects/pytest/src/_pytest/capture.py:967:48 - error: Access to generic instance variable through class is ambiguous (reportGeneralTypeIssues)
- 634 errors, 58 warnings, 0 informations
+ 630 errors, 58 warnings, 0 informations
hydpy (https://github.com/hydpy-dev/hydpy)
- /tmp/mypy_primer/projects/hydpy/hydpy/docs/prepare.py:126:40 - error: Access to generic instance variable through class is ambiguous (reportGeneralTypeIssues)
- 1324 errors, 49 warnings, 0 informations
+ 1323 errors, 49 warnings, 0 informations
pwndbg (https://github.com/pwndbg/pwndbg)
- /tmp/mypy_primer/projects/pwndbg/pwndbg/aglib/heap/structs.py:175:42 - error: Access to generic instance variable through class is ambiguous (reportGeneralTypeIssues)
- /tmp/mypy_primer/projects/pwndbg/pwndbg/aglib/heap/structs.py:206:46 - error: Access to generic instance variable through class is ambiguous (reportGeneralTypeIssues)
- 2906 errors, 148 warnings, 0 informations
+ 2904 errors, 148 warnings, 0 informations
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…ttribute from an object whose type is
type[X]. This addresses #10304.