Properly track positional-only arguments for unannotated functions #10802
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JukkaL
reviewed
Jul 14, 2021
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OK, I updated this to drop |
I was originally planning to address this by adding an ARG_POS_ONLY kind (as a concrete win for what I hoped would be a generally positive refactor), but it was actually really easy to fix it on its own, and then we can address the refactor purely on its own merits.
msullivan
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JukkaL
approved these changes
Jul 15, 2021
| for name in arg_names] | ||
| if special_function_elide_names(n.name): | ||
| arg_names = [None] * len(arg_names) | ||
| arg_names = [None if arg.pos_only else arg.variable.name for arg in args] |
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Is arg_names actually used anywhere? Can it be deleted?
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It populates the CallableType, if there is one
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Diff from mypy_primer, showing the effect of this PR on open source code: werkzeug (https://github.com/pallets/werkzeug.git)
- tests/test_wsgi.py:474: error: Function is missing a return type annotation
+ tests/test_wsgi.py:474: error: Function is missing a type annotation
- tests/test_wrappers.py:285: error: Function is missing a return type annotation
+ tests/test_wrappers.py:285: error: Function is missing a type annotation
ibis (https://github.com/ibis-project/ibis.git)
- version: 0.920+dev.ed09f8d831aba43af7b7078ceb1d0706e1c124f6
+ version: 0.920+dev.3cd0e07f50cd113c01b681d4aa73063024c778de
- File "/tmp/mypy_primer/old_mypy/venv/bin/mypy", line 8, in <module>
+ File "/tmp/mypy_primer/new_mypy/venv/bin/mypy", line 8, in <module>
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/__main__.py", line 11, in console_entry
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/__main__.py", line 11, in console_entry
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/main.py", line 87, in main
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/main.py", line 87, in main
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/main.py", line 165, in run_build
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/main.py", line 165, in run_build
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 179, in build
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 179, in build
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 254, in _build
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 254, in _build
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 2698, in dispatch
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 2698, in dispatch
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 3022, in process_graph
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 3022, in process_graph
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 3120, in process_stale_scc
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 3120, in process_stale_scc
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 2166, in type_check_first_pass
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/build.py", line 2166, in type_check_first_pass
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/checker.py", line 295, in check_first_pass
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/checker.py", line 295, in check_first_pass
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/checker.py", line 402, in accept
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/checker.py", line 402, in accept
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/nodes.py", line 783, in accept
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/nodes.py", line 785, in accept
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/checker.py", line 3640, in visit_decorator
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/checker.py", line 3640, in visit_decorator
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 951, in check_call
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 951, in check_call
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 932, in check_call
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 932, in check_call
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 1044, in check_callable_call
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 1044, in check_callable_call
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 752, in apply_function_plugin
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/checkexpr.py", line 752, in apply_function_plugin
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/plugins/singledispatch.py", line 192, in call_singledispatch_function_after_register_argument
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/plugins/singledispatch.py", line 192, in call_singledispatch_function_after_register_argument
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/plugins/singledispatch.py", line 159, in register_function
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/plugins/singledispatch.py", line 159, in register_function
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.8/site-packages/mypy/plugins/singledispatch.py", line 33, in get_singledispatch_info
+ File "/tmp/mypy_primer/new_mypy/venv/lib/python3.8/site-packages/mypy/plugins/singledispatch.py", line 33, in get_singledispatch_info
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I was originally planning to address this by adding an ARG_POS_ONLY
kind (as a concrete win for what I hoped would be a generally positive
refactor), but it was actually really easy to fix it on its own, and
then we can address the refactor purely on its own merits.