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Fix: Handle Trailing Commas and Empty Strings in File Paths #3

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@arvi18 arvi18 commented Apr 23, 2025

  • Allowed trailing commas in the [mypy] files list.
  • Prevented empty entries from being included.
  • Unit tests were added to verify both behaviors.
  • Ensured consistency between INI and TOML parsing.

NOTE: This replaces PR python#18472, as it was closed due to a push issue.

Fixes python#11171

x612skm and others added 3 commits February 25, 2025 01:46
- Modified `split_and_match_files_list` to handle trailing commas correctly.
- Ensured empty string entries result in an error to match CLI behavior.
- Updated unit tests to cover various edge cases.
- Improved test coverage for config parsing with different file list formats.
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arvi18 commented Apr 23, 2025

Diff from mypy_primer, showing the effect of this PR on open source code:

kornia (https://github.com/kornia/kornia)
+ Traceback (most recent call last):
+   File "/tmp/mypy_primer/new_mypy/venv/bin/mypy", line 10, in <module>
+     sys.exit(console_entry())
+              ~~~~~~~~~~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
+     main()
+     ~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 88, in main
+     sources, options = process_options(args, stdout=stdout, stderr=stderr, fscache=fscache)
+                        ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 1317, in process_options
+     parse_config_file(options, set_strict_flags, config_file, stdout, stderr)
+     ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/config_parser.py", line 326, in parse_config_file
+     raw_files = section["files"].strip()
+                 ^^^^^^^^^^^^^^^^^^^^^^
+ AttributeError: 'list' object has no attribute 'strip'
- kornia/grad_estimator/ste.py:63: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/core/mixin/image_module.py:201: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/core/module.py:203: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/core/mixin/onnx.py:133: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/core/mixin/onnx.py:134: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/core/mixin/onnx.py:135: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/sold2/backbones.py:152: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/sold2/backbones.py:154: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/sold2/backbones.py:159: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/sold2/backbones.py:160: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/dedode/utils.py:41: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/dedode/utils.py:42: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/enhance/histogram.py:234: error: Item "None" of "Any | None" has no attribute "device"  [union-attr]
- kornia/enhance/histogram.py:234: error: Item "None" of "Any | None" has no attribute "dtype"  [union-attr]
- kornia/enhance/histogram.py:237: error: Item "None" of "Any | None" has no attribute "unsqueeze"  [union-attr]
- kornia/enhance/histogram.py:258: error: Item "None" of "Any | None" has no attribute "dim"  [union-attr]
- kornia/enhance/histogram.py:261: error: Item "None" of "Any | None" has no attribute "dim"  [union-attr]
- kornia/enhance/histogram.py:266: error: Item "None" of "Any | None" has no attribute "dim"  [union-attr]
- kornia/enhance/histogram.py:268: error: Item "None" of "Any | None" has no attribute "dim"  [union-attr]
- kornia/utils/draw.py:368: error: Invalid type 'Any' for *expr (iterable expected)  [misc]
- kornia/utils/draw.py:368: error: Need more than 1 value to unpack (5 expected)  [misc]
- kornia/utils/draw.py:371: error: Invalid type 'Any' for *expr (iterable expected)  [misc]
- kornia/utils/draw.py:371: error: Need more than 2 values to unpack (5 expected)  [misc]
- kornia/utils/draw.py:373: error: Cannot determine type of "b_i"  [has-type]
- kornia/utils/draw.py:373: error: Cannot determine type of "c_i"  [has-type]
- kornia/utils/draw.py:374: error: Invalid type 'Any' for *expr (iterable expected)  [misc]
- kornia/utils/draw.py:374: error: Need more than 1 value to unpack (3 expected)  [misc]
- kornia/utils/draw.py:375: error: Cannot determine type of "xy"  [has-type]
- kornia/utils/draw.py:376: error: Cannot determine type of "b_i"  [has-type]
- kornia/utils/draw.py:376: error: Cannot determine type of "b_p"  [has-type]
- kornia/utils/draw.py:376: error: Cannot determine type of "b_c"  [has-type]
- kornia/utils/draw.py:377: error: Cannot determine type of "device"  [has-type]
- kornia/utils/draw.py:377: error: Cannot determine type of "device_p"  [has-type]
- kornia/utils/draw.py:377: error: Cannot determine type of "device_c"  [has-type]
- kornia/utils/draw.py:379: error: Cannot determine type of "h_i"  [has-type]
- kornia/utils/draw.py:379: error: Cannot determine type of "w_i"  [has-type]
- kornia/utils/draw.py:380: error: Cannot determine type of "w_i"  [has-type]
- kornia/utils/draw.py:380: error: Cannot determine type of "device"  [has-type]
- kornia/utils/draw.py:380: error: Cannot determine type of "dtype_p"  [has-type]
- kornia/feature/dedode/encoder.py:31: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:33: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:69: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:72: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/feature/lightglue_onnx/lightglue.py:74: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/feature/lightglue_onnx/lightglue.py:80: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/feature/lightglue_onnx/lightglue.py:84: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/feature/lightglue_onnx/lightglue.py:87: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/feature/lightglue_onnx/lightglue.py:138: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/feature/lightglue_onnx/lightglue.py:150: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:151: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:153: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:154: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:156: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:157: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue_onnx/lightglue.py:167: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/feature/lightglue_onnx/lightglue.py:175: error: Item "str" of "str | Any" has no attribute "type"  [union-attr]
- kornia/contrib/models/rt_detr/model.py:255: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/models/detection/base.py:234: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/enhance/adjust.py:726: error: Item "float" of "float | Any" has no attribute "__iter__" (not iterable)  [union-attr]
- kornia/geometry/liegroup/so3.py:176: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:148: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:157: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:432: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:492: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:535: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:536: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:613: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/lightglue.py:621: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/models/depth_estimation/base.py:33: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/feature/loftr/loftr.py:208: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/random_generator/base.py:111: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/random_generator/base.py:117: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/container/ops.py:141: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/container/ops.py:496: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/_2d/mix/transplantation.py:182: error: Item "Sequence[int]" of "Sequence[int] | Any" has no attribute "ndim"  [union-attr]
- kornia/augmentation/_2d/mix/transplantation.py:183: error: Item "Sequence[int]" of "Sequence[int] | Any" has no attribute "ndim"  [union-attr]
- kornia/augmentation/_2d/mix/transplantation.py:194: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/_2d/mix/transplantation.py:200: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/_2d/mix/transplantation.py:296: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/container/video.py:265: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/container/video.py:285: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/container/video.py:305: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/container/video.py:325: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/augmentation/container/augment.py:449: error: Unsupported right operand type for in ("list[DataKey] | None")  [operator]
- kornia/augmentation/container/augment.py:450: error: Item "None" of "list[DataKey] | None" has no attribute "index"  [union-attr]
- kornia/augmentation/container/augment.py:465: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/contrib/visual_prompter.py:357: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/contrib/visual_prompter.py:388: error: Unused "type: ignore" comment  [unused-ignore]
- kornia/contrib/visual_prompter.py:397: error: Unused "type: ignore" comment  [unused-ignore]

mitmproxy (https://github.com/mitmproxy/mitmproxy)
+ Traceback (most recent call last):
+   File "/tmp/mypy_primer/new_mypy/venv/bin/mypy", line 10, in <module>
+     sys.exit(console_entry())
+              ~~~~~~~~~~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
+     main()
+     ~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 88, in main
+     sources, options = process_options(args, stdout=stdout, stderr=stderr, fscache=fscache)
+                        ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 1317, in process_options
+     parse_config_file(options, set_strict_flags, config_file, stdout, stderr)
+     ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/config_parser.py", line 326, in parse_config_file
+     raw_files = section["files"].strip()
+                 ^^^^^^^^^^^^^^^^^^^^^^
+ AttributeError: 'list' object has no attribute 'strip'
- mitmproxy/io/tnetstring.py:217: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/io/tnetstring.py:224: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:94: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:137: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:145: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:151: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:158: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:164: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:170: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:176: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:182: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/serializable.py:185: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/utils/vt_codes.py:10: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/encoding.py:122: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/multidict.py:153: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/coretypes/multidict.py:167: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:16: error: Library stubs not installed for "OpenSSL"  [import-untyped]
- mitmproxy/certs.py:85: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:112: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:120: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:212: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:250: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:340: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:412: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:415: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:416: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:417: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:419: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:420: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:421: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:423: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:499: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:518: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/certs.py:643: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/mode_specs.py:46: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/connection.py:175: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/connection.py:266: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/tls.py:13: error: Library stubs not installed for "OpenSSL"  [import-untyped]
- mitmproxy/net/tls.py:15: error: Library stubs not installed for "OpenSSL.crypto"  [import-untyped]
- mitmproxy/net/tls.py:31: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/tls.py:32: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/tls.py:36: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/tls.py:134: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/tls.py:135: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/tls.py:261: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/net/tls.py:262: error: Unused "type: ignore" comment  [unused-ignore]
- web/gen/web_columns.py:22: error: Item "None" of "Match[str] | None" has no attribute "group"  [union-attr]
- mitmproxy/utils/asyncio_utils.py:96: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/http.py:49: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/http.py:740: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/utils/debug.py:13: error: Library stubs not installed for "OpenSSL"  [import-untyped]
- mitmproxy/utils/debug.py:72: error: "Thread" has no attribute "_thread_started"  [attr-defined]
- mitmproxy/utils/emoji.py:1860: error: Library stubs not installed for "requests"  [import-untyped]
- mitmproxy/utils/emoji.py:1860: note: Hint: "python3 -m pip install types-requests"
- examples/addons/http-modify-form.py:13: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/types.py:128: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/command.py:37: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/tls.py:5: error: Library stubs not installed for "OpenSSL"  [import-untyped]
- mitmproxy/addons/mapremote.py:68: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/quic/_client_hello_parser.py:85: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/quic/_client_hello_parser.py:87: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/core.py:139: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/quic/_raw_layers.py:47: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/tls.py:11: error: Library stubs not installed for "OpenSSL"  [import-untyped]
- mitmproxy/proxy/layers/tls.py:243: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/tls.py:318: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/tls.py:319: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/tls.py:320: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/quic/_stream_layers.py:588: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/quic/_stream_layers.py:625: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/layers/http/_http_h3.py:131: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/proxy/server.py:23: error: Library stubs not installed for "OpenSSL"  [import-untyped]
- mitmproxy/addons/tlsconfig.py:13: error: Library stubs not installed for "OpenSSL"  [import-untyped]
- mitmproxy/addons/tlsconfig.py:13: note: Hint: "python3 -m pip install types-pyOpenSSL"
- mitmproxy/addons/tlsconfig.py:13: note: (or run "mypy --install-types" to install all missing stub packages)
- mitmproxy/addons/tlsconfig.py:13: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#missing-imports
- mitmproxy/addons/tlsconfig.py:80: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:81: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:352: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:356: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:363: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:365: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:366: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:370: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/tlsconfig.py:371: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/tools/web/app.py:809: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/tools/console/master.py:234: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/tools/console/keymap.py:197: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/tools/console/consoleaddons.py:553: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/tools/console/grideditor/base.py:168: error: Unused "type: ignore" comment  [unused-ignore]
- mitmproxy/addons/dumper.py:326: error: Unused "type: ignore" comment  [unused-ignore]
- web/gen/tflow_js.py:31: error: Item "None" of "Response | None" has no attribute "trailers"  [union-attr]
- web/gen/state_js.py:23: error: Need type annotation for "si1"  [var-annotated]
- web/gen/state_js.py:30: error: "ServerInstance[Any]" has no attribute "_servers"  [attr-defined]
- web/gen/state_js.py:31: error: Need type annotation for "si2"  [var-annotated]
- web/gen/state_js.py:33: error: Need type annotation for "si3"  [var-annotated]
- web/gen/state_js.py:34: error: Need type annotation for "si4"  [var-annotated]
- web/gen/state_js.py:35: error: "ServerInstance[Any]" has no attribute "_server"  [attr-defined]
- web/gen/state_js.py:36: error: "ServerInstance[Any]" has no attribute "_server"  [attr-defined]

pybind11 (https://github.com/pybind/pybind11)
- setup.py:17: error: Library stubs not installed for "setuptools.command.sdist"  [import-untyped]
- setup.py:17: error: Library stubs not installed for "setuptools.command"  [import-untyped]
- setup.py:17: error: Library stubs not installed for "setuptools"  [import-untyped]
- setup.py:98: error: Class cannot subclass "sdist" (has type "Any")  [misc]
- pybind11/setup_helpers.py:66: error: Library stubs not installed for "setuptools"  [import-untyped]
- pybind11/setup_helpers.py:67: error: Library stubs not installed for "setuptools.command.build_ext"  [import-untyped]
- pybind11/setup_helpers.py:67: note: Hint: "python3 -m pip install types-setuptools"
- pybind11/setup_helpers.py:67: note: (or run "mypy --install-types" to install all missing stub packages)
- pybind11/setup_helpers.py:67: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#missing-imports
- pybind11/setup_helpers.py:69: error: Unused "type: ignore" comment  [unused-ignore]
- pybind11/setup_helpers.py:72: error: Unused "type: ignore" comment  [unused-ignore]
- pybind11/setup_helpers.py:89: error: Class cannot subclass "_Extension" (has type "Any")  [misc]
- pybind11/setup_helpers.py:271: error: Class cannot subclass "_build_ext" (has type "Any")  [misc]
+ Traceback (most recent call last):
+   File "/tmp/mypy_primer/new_mypy/venv/bin/mypy", line 10, in <module>
+     sys.exit(console_entry())
+              ~~~~~~~~~~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
+     main()
+     ~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 88, in main
+     sources, options = process_options(args, stdout=stdout, stderr=stderr, fscache=fscache)
+                        ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 1317, in process_options
+     parse_config_file(options, set_strict_flags, config_file, stdout, stderr)
+     ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/config_parser.py", line 326, in parse_config_file
+     raw_files = section["files"].strip()
+                 ^^^^^^^^^^^^^^^^^^^^^^
+ AttributeError: 'list' object has no attribute 'strip'

werkzeug (https://github.com/pallets/werkzeug)
+ Traceback (most recent call last):
+   File "/tmp/mypy_primer/new_mypy/venv/bin/mypy", line 10, in <module>
+     sys.exit(console_entry())
+              ~~~~~~~~~~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
+     main()
+     ~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 88, in main
+     sources, options = process_options(args, stdout=stdout, stderr=stderr, fscache=fscache)
+                        ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 1317, in process_options
+     parse_config_file(options, set_strict_flags, config_file, stdout, stderr)
+     ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/config_parser.py", line 326, in parse_config_file
+     raw_files = section["files"].strip()
+                 ^^^^^^^^^^^^^^^^^^^^^^
+ AttributeError: 'list' object has no attribute 'strip'
- Warning: unused section(s) in pyproject.toml: module = ['xprocess.*']
- src/werkzeug/_reloader.py:327: error: Class cannot subclass "PatternMatchingEventHandler" (has type "Any")  [misc]
- src/werkzeug/_reloader.py:341: error: Unused "type: ignore" comment  [unused-ignore]
- src/werkzeug/sansio/response.py:137: error: Unused "type: ignore" comment  [unused-ignore]
- src/werkzeug/sansio/response.py:149: error: Unused "type: ignore" comment  [unused-ignore]
- src/werkzeug/debug/tbtools.py:261: error: Incompatible types in assignment (expression has type "Optional[TracebackException]", variable has type "TracebackException")  [assignment]
- src/werkzeug/wrappers/response.py:700: error: Unused "type: ignore" comment  [unused-ignore]
- src/werkzeug/test.py:329: error: Unused "type: ignore" comment  [unused-ignore]
- src/werkzeug/debug/__init__.py:303: error: Incompatible types in assignment (expression has type "None", variable has type "str")  [assignment]
- tests/test_internal.py:6: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_internal.py:6: note: Use "-> None" if function does not return a value
- tests/middleware/test_shared_data.py:9: error: Function is missing a return type annotation  [no-untyped-def]
- tests/middleware/test_shared_data.py:9: note: Use "-> None" if function does not return a value
- tests/middleware/test_shared_data.py:10: error: Argument 1 to "SharedDataMiddleware" has incompatible type "None"; expected "Callable[[dict[str, Any], StartResponse], Iterable[bytes]]"  [arg-type]
- tests/middleware/test_shared_data.py:14: error: Function is missing a type annotation  [no-untyped-def]
- tests/middleware/test_shared_data.py:15: error: Function is missing a type annotation  [no-untyped-def]
- tests/middleware/test_shared_data.py:45: error: Value of type variable "_SupportsCloseT" of "closing" cannot be "Iterable[bytes]"  [type-var]
- tests/middleware/test_shared_data.py:54: error: Value of type variable "_SupportsCloseT" of "closing" cannot be "Iterable[bytes]"  [type-var]
- tests/middleware/test_profiler.py:7: error: Module "werkzeug.middleware.profiler" does not explicitly export attribute "Profile"  [attr-defined]
- tests/middleware/test_profiler.py:12: error: Function is missing a type annotation  [no-untyped-def]
- tests/middleware/test_profiler.py:17: error: Function is missing a return type annotation  [no-untyped-def]
- tests/middleware/test_profiler.py:21: error: Function is missing a type annotation  [no-untyped-def]
- tests/middleware/test_profiler.py:37: error: Argument "filename_format" to "ProfilerMiddleware" has incompatible type "Callable[[Any], Any]"; expected "str"  [arg-type]
- tests/middleware/test_dispatcher.py:6: error: Function is missing a return type annotation  [no-untyped-def]
- tests/middleware/test_dispatcher.py:6: note: Use "-> None" if function does not return a value
- tests/middleware/test_dispatcher.py:7: error: Function is missing a type annotation  [no-untyped-def]
- tests/middleware/test_dispatcher.py:11: error: Function is missing a type annotation  [no-untyped-def]
- tests/live_apps/streaming_app.py:6: error: Function is missing a type annotation  [no-untyped-def]
- tests/live_apps/streaming_app.py:7: error: Function is missing a return type annotation  [no-untyped-def]
- tests/live_apps/streaming_app.py:14: error: Call to untyped function "gen" in typed context  [no-untyped-call]
- tests/live_apps/standard_app.py:8: error: Function is missing a type annotation  [no-untyped-def]
- tests/live_apps/run.py:16: error: Function is missing a type annotation  [no-untyped-def]
- tests/live_apps/run.py:35: error: Cannot assign to a method  [method-assign]
- tests/live_apps/run.py:35: error: Incompatible types in assignment (expression has type "Callable[[Arg(WSGIRequestHandler, '_')], Any]", variable has type "Callable[[Arg(WSGIRequestHandler, 'self')], str]")  [assignment]
- tests/live_apps/reloader_app.py:17: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wsgi.py:60: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wsgi.py:65: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:65: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:77: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:78: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wsgi.py:87: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:87: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:92: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:92: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:94: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:94: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:114: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:119: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:123: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:128: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:132: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:136: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:143: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:147: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:150: error: Incompatible types in assignment (expression has type "LimitedStream", variable has type "RaisingLimitedStream")  [assignment]
- tests/test_wsgi.py:154: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:154: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:158: error: Incompatible types in assignment (expression has type "TextIOWrapper[BufferedReader]", variable has type "LimitedStream")  [assignment]
- tests/test_wsgi.py:163: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:163: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:178: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:197: error: Cannot instantiate abstract class "OneByteStream" with abstract attributes "__enter__", "__exit__", ... and "writelines" (15 methods suppressed)  [abstract]
- tests/test_wsgi.py:207: error: Cannot instantiate abstract class "OneByteStream" with abstract attributes "__enter__", "__exit__", ... and "writelines" (15 methods suppressed)  [abstract]
- tests/test_wsgi.py:214: error: Cannot instantiate abstract class "OneByteStream" with abstract attributes "__enter__", "__exit__", ... and "writelines" (15 methods suppressed)  [abstract]
- tests/test_wsgi.py:217: error: Cannot instantiate abstract class "OneByteStream" with abstract attributes "__enter__", "__exit__", ... and "writelines" (15 methods suppressed)  [abstract]
- tests/test_wsgi.py:221: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:221: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:244: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:244: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:250: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:250: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:259: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:259: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:261: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:265: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:270: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:274: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:280: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:288: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:297: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:305: error: Argument 1 to "_RangeWrapper" has incompatible type "Union[Iterable[str], Iterable[bytes]]"; expected "Union[Iterable[bytes], IO[bytes]]"  [arg-type]
- tests/test_wsgi.py:311: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:317: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wsgi.py:323: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wsgi.py:327: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:327: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:330: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wsgi.py:330: note: Use "-> None" if function does not return a value
- tests/test_wsgi.py:333: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wsgi.py:334: error: Call to untyped function "Response" in typed context  [no-untyped-call]
- tests/test_wsgi.py:338: error: Argument 1 to "join" of "str" has incompatible type "Iterable[bytes]"; expected "Iterable[str]"  [arg-type]
- tests/test_wrappers.py:39: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wrappers.py:44: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wrappers.py:53: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:53: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:62: error: Call to untyped function "assert_environ" in typed context  [no-untyped-call]
- tests/test_wrappers.py:77: error: Call to untyped function "assert_environ" in typed context  [no-untyped-call]
- tests/test_wrappers.py:89: error: Call to untyped function "assert_environ" in typed context  [no-untyped-call]
- tests/test_wrappers.py:100: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:100: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:105: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:105: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:112: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:112: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:124: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:124: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:140: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:140: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:149: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:174: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:174: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:179: error: Item "None" of "Optional[Authorization]" has no attribute "type"  [union-attr]
- tests/test_wrappers.py:180: error: Item "None" of "Optional[Authorization]" has no attribute "username"  [union-attr]
- tests/test_wrappers.py:181: error: Item "None" of "Optional[Authorization]" has no attribute "password"  [union-attr]
- tests/test_wrappers.py:184: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:184: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:189: error: Item "None" of "Optional[Authorization]" has no attribute "type"  [union-attr]
- tests/test_wrappers.py:190: error: Item "None" of "Optional[Authorization]" has no attribute "username"  [union-attr]
- tests/test_wrappers.py:191: error: Item "None" of "Optional[Authorization]" has no attribute "password"  [union-attr]
- tests/test_wrappers.py:194: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:196: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wrappers.py:200: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wrappers.py:212: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:212: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:221: error: Non-overlapping equality check (left operand type: "HeaderSet", right operand type: "set[str]")  [comparison-overlap]
- tests/test_wrappers.py:225: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:225: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:229: error: Incompatible types in assignment (expression has type "list[str]", variable has type "HeaderSet")  [assignment]
- tests/test_wrappers.py:237: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:243: error: Argument 1 to "write" of "ResponseStream" has incompatible type "str"; expected "bytes"  [arg-type]
- tests/test_wrappers.py:282: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:282: note: Use "-> None" if function does not return a value
- tests/test_wrappers.py:285: error: Function is missing a type annotation  [no-untyped-def]
- tests/test_wrappers.py:288: error: Function is missing a return type annotation  [no-untyped-def]
- tests/test_wrappers.py:288: note: Use "-> None" if function does not return a value

... (truncated 1293 lines) ...

typeshed-stats (https://github.com/AlexWaygood/typeshed-stats)
+ Traceback (most recent call last):
+   File "/tmp/mypy_primer/new_mypy/venv/bin/mypy", line 10, in <module>
+     sys.exit(console_entry())
+              ~~~~~~~~~~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
+     main()
+     ~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 88, in main
+     sources, options = process_options(args, stdout=stdout, stderr=stderr, fscache=fscache)
+                        ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 1317, in process_options
+     parse_config_file(options, set_strict_flags, config_file, stdout, stderr)
+     ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/config_parser.py", line 326, in parse_config_file
+     raw_files = section["files"].strip()
+                 ^^^^^^^^^^^^^^^^^^^^^^
+ AttributeError: 'list' object has no attribute 'strip'
- src/typeshed_stats/__init__.py:14: error: Cannot find implementation or library stub for module named "typeshed_stats._version"  [import-not-found]
- src/typeshed_stats/__init__.py:14: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#missing-imports
- website_macros.py:17: error: Library stubs not installed for "markdown"  [import-untyped]
- tests/test_serialize.py:7: error: Library stubs not installed for "markdown"  [import-untyped]
- tests/test_serialize.py:9: error: Library stubs not installed for "bs4"  [import-untyped]
- tests/test_serialize.py:9: note: Hint: "python3 -m pip install types-beautifulsoup4"
- tests/test_gather.py:23: error: Cannot find implementation or library stub for module named "pytest_mock"  [import-not-found]
- tests/test_gather.py:24: error: Cannot find implementation or library stub for module named "pytest_subtests"  [import-not-found]
- src/typeshed_stats/_cli.py:80: error: Cannot find implementation or library stub for module named "rich"  [import-not-found]
- src/typeshed_stats/_cli.py:80: error: Name "pprint" already defined on line 78  [no-redef]
- src/typeshed_stats/_cli.py:105: error: Cannot find implementation or library stub for module named "rich_argparse"  [import-not-found]
- src/typeshed_stats/_cli.py:107: error: Unused "type: ignore" comment  [unused-ignore]
- src/typeshed_stats/_cli.py:115: error: Returning Any from function declared to return "type[HelpFormatter]"  [no-any-return]
- tests/test__cli.py:16: error: Library stubs not installed for "markdown"  [import-untyped]
- tests/test__cli.py:16: note: Hint: "python3 -m pip install types-Markdown"
- tests/test__cli.py:16: note: (or run "mypy --install-types" to install all missing stub packages)
- tests/test__cli.py:18: error: Cannot find implementation or library stub for module named "pytest_mock"  [import-not-found]
- tests/test__cli.py:19: error: Cannot find implementation or library stub for module named "pytest_subtests"  [import-not-found]
- tests/test__cli.py:447: error: Returning Any from function declared to return "MagicMock"  [no-any-return]
- tests/test__cli.py:531: error: Cannot find implementation or library stub for module named "rich"  [import-not-found]

pandas (https://github.com/pandas-dev/pandas)
+ Traceback (most recent call last):
+   File "/tmp/mypy_primer/new_mypy/venv/bin/mypy", line 10, in <module>
+     sys.exit(console_entry())
+              ~~~~~~~~~~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
+     main()
+     ~~~~^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 88, in main
+     sources, options = process_options(args, stdout=stdout, stderr=stderr, fscache=fscache)
+                        ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/main.py", line 1317, in process_options
+     parse_config_file(options, set_strict_flags, config_file, stdout, stderr)
+     ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/config_parser.py", line 326, in parse_config_file
+     raw_files = section["files"].strip()
+                 ^^^^^^^^^^^^^^^^^^^^^^
+ AttributeError: 'list' object has no attribute 'strip'
- pandas/core/arrays/arrow/_arrow_utils.py:47: error: Incompatible types in assignment (expression has type "ndarray[tuple[int, ...], dtype[Any]]", variable has type "ndarray[tuple[int], dtype[Any]]")  [assignment]
- pandas/compat/numpy/__init__.py:39: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/compat/numpy/__init__.py:40: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/_libs/tslibs/dtypes.pyi:31: error: Detected enum "pandas._libs.tslibs.dtypes.FreqGroup" in a type stub with zero members. There is a chance this is due to a recent change in the semantics of enum membership. If so, use `member = value` to mark an enum member, instead of `member: type`  [misc]
- pandas/_libs/tslibs/dtypes.pyi:31: note: See https://typing.readthedocs.io/en/latest/spec/enums.html#defining-members
- pandas/_libs/tslibs/dtypes.pyi:48: error: Detected enum "pandas._libs.tslibs.dtypes.Resolution" in a type stub with zero members. There is a chance this is due to a recent change in the semantics of enum membership. If so, use `member = value` to mark an enum member, instead of `member: type`  [misc]
- pandas/_libs/tslibs/dtypes.pyi:48: note: See https://typing.readthedocs.io/en/latest/spec/enums.html#defining-members
- pandas/_libs/tslibs/dtypes.pyi:70: error: Detected enum "pandas._libs.tslibs.dtypes.NpyDatetimeUnit" in a type stub with zero members. There is a chance this is due to a recent change in the semantics of enum membership. If so, use `member = value` to mark an enum member, instead of `member: type`  [misc]
- pandas/_libs/tslibs/dtypes.pyi:70: note: See https://typing.readthedocs.io/en/latest/spec/enums.html#defining-members
- pandas/io/formats/printing.py:264: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/core/_numba/executor.py:90: error: Incompatible redefinition (redefinition with type "Callable[[ndarray[Any, Any], ndarray[Any, Any], ndarray[Any, Any], int, VarArg(Any)], Any]", original type "Callable[[ndarray[Any, Any], ndarray[Any, Any], int, int, VarArg(Any)], Any]")  [misc]
- pandas/io/common.py:956: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/core/util/hashing.py:347: error: Incompatible return value type (got "Any | ndarray[tuple[int, ...], dtype[signedinteger[Any]]]", expected "ndarray[tuple[int, ...], dtype[unsignedinteger[_64Bit]]]")  [return-value]
- pandas/core/nanops.py:641: error: Incompatible return value type (got "ndarray[Any, Any] | float | NaTType", expected "float")  [return-value]
- pandas/core/array_algos/quantile.py:105: error: Incompatible types in assignment (expression has type "ndarray[tuple[int, ...], dtype[Any]]", variable has type "ndarray[tuple[int, int], dtype[Any]]")  [assignment]
- pandas/core/array_algos/quantile.py:199: error: Argument 2 to "_nanquantile_1d" has incompatible type "numpy.bool[builtins.bool]"; expected "ndarray[tuple[int, ...], dtype[numpy.bool[builtins.bool]]]"  [arg-type]
- pandas/core/arrays/period.py:378: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/core/arrays/period.py:379: error: Cannot override writeable attribute with read-only property  [override]
- pandas/_testing/_io.py:84: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/_testing/_io.py:85: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/_testing/_io.py:141: error: No overload variant of "ZipFile" matches argument types "Any", "str"  [call-overload]
- pandas/_testing/_io.py:141: note: Possible overload variants:
- pandas/_testing/_io.py:141: note:     def __init__(self, file: str | PathLike[str] | IO[bytes], mode: Literal['r', 'w', 'x', 'a'] = ..., compression: int = ..., allowZip64: bool = ..., compresslevel: int | None = ..., *, strict_timestamps: bool = ..., metadata_encoding: str | None = ...) -> ZipFile
- pandas/_testing/_io.py:141: note:     def __init__(self, file: str | PathLike[str] | _ZipReadable, mode: Literal['r'] = ..., compression: int = ..., allowZip64: bool = ..., compresslevel: int | None = ..., *, strict_timestamps: bool = ..., metadata_encoding: str | None = ...) -> ZipFile
- pandas/_testing/_io.py:141: note:     def __init__(self, file: str | PathLike[str] | _ZipWritable, mode: Literal['w', 'x'] = ..., compression: int = ..., allowZip64: bool = ..., compresslevel: int | None = ..., *, strict_timestamps: bool = ..., metadata_encoding: None = ...) -> ZipFile
- pandas/_testing/_io.py:141: note:     def __init__(self, file: str | PathLike[str] | _ZipReadableTellable, mode: Literal['a'] = ..., compression: int = ..., allowZip64: bool = ..., compresslevel: int | None = ..., *, strict_timestamps: bool = ..., metadata_encoding: None = ...) -> ZipFile
- pandas/_testing/_io.py:141: error: No overload variant of "BZ2File" matches argument types "Any", "str"  [call-overload]
- pandas/_testing/_io.py:141: note:     def __init__(self, filename: _WritableFileobj, mode: Literal['w', 'wb', 'x', 'xb', 'a', 'ab'], *, compresslevel: int = ...) -> BZ2File
- pandas/_testing/_io.py:141: note:     def __init__(self, filename: _ReadableFileobj, mode: Literal['', 'r', 'rb'] = ..., *, compresslevel: int = ...) -> BZ2File
- pandas/_testing/_io.py:141: note:     def __init__(self, filename: str | bytes | PathLike[str] | PathLike[bytes], mode: Literal['', 'r', 'rb'] | Literal['w', 'wb', 'x', 'xb', 'a', 'ab'] = ..., *, compresslevel: int = ...) -> BZ2File
- pandas/_testing/_io.py:141: error: Argument "mode" to "TarFile" has incompatible type "str"; expected "Literal['r', 'a', 'w', 'x']"  [arg-type]
- pandas/core/computation/expr.py:679: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/core/computation/expr.py:679: error: Item "Attribute" of "Attribute | Name" has no attribute "id"  [union-attr]
- pandas/core/computation/expr.py:679: note: Error code "union-attr" not covered by "type: ignore" comment
- pandas/core/computation/expr.py:701: error: Unused "type: ignore" comment  [unused-ignore]
- pandas/core/computation/expr.py:701: error: Item "Attribute" of "Attribute | Name" has no attribute "id"  [union-attr]

... (truncated 734 lines) ...```

@arvi18
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arvi18 commented Apr 23, 2025

Hi @webknjaz, mind taking a look at this PR? Also, not sure what mypy_primer wants to say if that's good or bad :)

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arvi18 commented Apr 23, 2025

@x612skm it's trying to run mypy from your pull request against some other open source projects. The fact that it tracebacks shows that you have a bug in your code.

Look closer into that trace:

  File "/tmp/mypy_primer/new_mypy/venv/lib/python3.13/site-packages/mypy/config_parser.py", line 326, in parse_config_file
    raw_files = section["files"].strip()
                ^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'list' object has no attribute 'strip'

It's failing on the line you added — section["files"].strip(). AttributeError: 'list' object has no attribute 'strip' suggests that section["files"] contains a list and is not a string.

https://github.com/hauntsaninja/mypy_primer/blob/8cf0437/mypy_primer/projects.py#L830C23-L830C36 suggests that the command that's executed is mypy kornia. Although, https://github.com/hauntsaninja/mypy_primer/blob/8cf0437/mypy_primer/model.py#L167-L245 seems to add additional CLI options to it.
I think you should be able to get that project locally and run MyPy against it to debug.

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arvi18 commented Apr 23, 2025

@Prabhat-Thapa45 — if you still want to collaborate, this is the new PR.

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arvi18 commented Apr 23, 2025

Hi @webknjaz Could you please take some time to review

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@arvi18
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arvi18 commented Apr 23, 2025

I did and the comments are above.

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arvi18 commented Apr 23, 2025

@webknjaz
I think @Prabhat-Thapa45 wanted you to take a look at this PR once x612skm#3 per the comments as he collaborated there with the dev work.

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arvi18 commented Apr 23, 2025

Oh, that wasn't obvious. It's important to include all the context necessary right away.

@x612skm you should review that too.

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arvi18 commented Apr 23, 2025

The changes here look rather heavy. Do they add anything to python#18624 and python#18621? Those two PRs should have already covered problems related to stringly typed lists with trailing whitespace and commas in .ini and .toml config files.

Please provide a concrete example of a config file that doesn't parse correctly now but parses with your diff applied.

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arvi18 commented Apr 23, 2025

@sterliakov We were mostly focused with .ini config file. Our PR objective was to make file names handling to be more consistent with .toml config file. #186210 this definitely dealt with trailing commas but still lacks ability with empty paths like " '', 'main.py',". Another part we were trying to add is better error message for the users.

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arvi18 commented Apr 23, 2025

I'm heavily -1 for silently discarding empty paths - issues should never pass unnoticed, and empty paths in configuration are certainly an issue - it should be indicated by error, not silently ignored, unless there's some good reason for many users to create configs with blank paths. I'm +0 on better error message in such a case - good, but perhaps not worth significant efforts?

(note that I'm not a mypy maintainer, so please don't treat this as a final advice)

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visz11 commented Apr 24, 2025

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Code Review

This pull request addresses the issue of handling trailing commas and empty strings in file paths within the mypy configuration. The changes include modifications to the config_parser.py file to handle these cases and the addition of unit tests in testconfigparser.py to verify the new behavior. Overall, the changes seem well-structured and address the reported issue effectively.

Summary of Findings

  • Redundant Empty String Check: The code includes a check to remove a trailing empty string, but a subsequent check raises an error if any empty strings remain. This could be simplified to directly raise an error if any empty strings are present after stripping whitespace.
  • Clarity of Error Message: The error message could be improved to provide more context about why empty filenames are not allowed, potentially guiding users to correct their configuration.

Merge Readiness

The pull request is well-structured and includes unit tests to verify the changes. However, addressing the redundant empty string check and improving the clarity of the error message would further enhance the quality of the code. I am unable to directly approve this pull request, and recommend that others review and approve this code before merging. Given the medium severity issues, I recommend that the pull request not be merged until those are addressed.

Comment on lines +329 to +331
# Remove trailing empty entry if present
if files_split and files_split[-1] == "":
files_split.pop()

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medium

This check removes the trailing empty string, but the subsequent check on line 334 raises an error if any empty strings are present. Consider simplifying this logic to directly raise an error if any empty strings are present after stripping whitespace, as trailing commas are now explicitly allowed.

# Raise an error if there are any empty strings
if any(not file for file in files_split):
    raise ValueError(
        "Invalid config: Empty filenames are not allowed except for trailing commas."
    )

Comment on lines +335 to +337
raise ValueError(
"Invalid config: Empty filenames are not allowed except for trailing commas."
)

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medium

The error message could be more informative. Consider including details about why empty filenames are invalid, or suggesting how to correct the configuration (e.g., removing the extra commas).

raise ValueError(
    "Invalid config: Empty filenames are not allowed. Please ensure all file entries are valid."
)

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mypy.ini parsing trailing comma causes duplicate module error
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