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Use ParamSpec for lru_cache #11662

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@cdce8p cdce8p commented Mar 26, 2024 •
edited by srittau
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This was originally added in #6221 but later reverted due to an incomplete ParamSpec implementation in mypy at the time. Maybe it works now.

Refs:

Deferred, waiting for outcome of this discussion: https://discuss.python.org/t/allow-self-binding-for-generic-paramspec/50948

JelleZijlstra
JelleZijlstra reviewed Mar 26, 2024
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JelleZijlstra
JelleZijlstra approved these changes Mar 26, 2024
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Let's see what mypy-primer says, but this looks correct to me.

We may also want to add some test cases.

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

paroxython (https://github.com/laowantong/paroxython)
+ paroxython/assess_costs.py:128: error: Missing positional argument "taxon" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ paroxython/assess_costs.py:128: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "TaxonName"; expected "LearningCostAssessor"  [arg-type]
+ paroxython/recommend_programs.py:296: error: Missing positional argument "taxon" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ paroxython/recommend_programs.py:296: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "TaxonName"; expected "LearningCostAssessor"  [arg-type]
+ paroxython/map_taxonomy.py:243: error: Missing positional argument "label_name" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ paroxython/map_taxonomy.py:243: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "LabelName"; expected "Taxonomy"  [arg-type]

pip (https://github.com/pypa/pip)
+ src/pip/_internal/models/link.py:245: error: Missing positional argument "url" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ src/pip/_internal/models/link.py:245: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[LinkHash]"  [arg-type]
+ src/pip/_internal/index/package_finder.py:890: error: Missing positional argument "project_name" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ src/pip/_internal/index/package_finder.py:890: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "PackageFinder"  [arg-type]
+ src/pip/_internal/index/package_finder.py:908: error: Missing positional argument "project_name" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ src/pip/_internal/index/package_finder.py:909: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "PackageFinder"  [arg-type]
+ src/pip/_internal/self_outdated_check.py:183: error: Missing positional argument "project_name" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ src/pip/_internal/self_outdated_check.py:183: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "PackageFinder"  [arg-type]
+ src/pip/_internal/resolution/resolvelib/factory.py:297: error: Missing positional argument "self" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ src/pip/_internal/resolution/resolvelib/factory.py:668: error: Missing positional argument "project_name" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ src/pip/_internal/resolution/resolvelib/factory.py:668: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "NormalizedName"; expected "PackageFinder"  [arg-type]
+ src/pip/_internal/commands/list.py:239: error: Missing positional argument "project_name" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ src/pip/_internal/commands/list.py:239: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "NormalizedName"; expected "PackageFinder"  [arg-type]
+ src/pip/_internal/commands/index.py:119: error: Missing positional argument "project_name" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]

pydantic (https://github.com/samuelcolvin/pydantic)
+ pydantic/v1/tools.py:37: error: Unused "type: ignore" comment  [unused-ignore]

cloud-init (https://github.com/canonical/cloud-init)
+ cloudinit/distros/package_management/apt.py:139: error: Missing positional argument "self" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]

mkdocs (https://github.com/mkdocs/mkdocs)
+ mkdocs/livereload/__init__.py:281: error: Missing positional argument "url" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkdocs/config/config_options.py:1197: error: Missing positional argument "path" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]

manticore (https://github.com/trailofbits/manticore)
+ manticore/core/smtlib/solver.py:505: error: Signature of "can_be_true" incompatible with supertype "Solver"  [override]
+ manticore/core/smtlib/solver.py:505: note:      Superclass:
+ manticore/core/smtlib/solver.py:505: note:          def can_be_true(self, constraints: Any, expression: Any = ...) -> bool
+ manticore/core/smtlib/solver.py:505: note:      Subclass:
+ manticore/core/smtlib/solver.py:505: note:          _lru_cache_wrapper[[SMTLIBSolver, ConstraintSet, bool | Bool], bool]
+ manticore/core/smtlib/solver.py:605: error: Signature of "get_all_values" incompatible with supertype "Solver"  [override]
+ manticore/core/smtlib/solver.py:605: note:      Superclass:
+ manticore/core/smtlib/solver.py:605: note:          def get_all_values(self, constraints: Any, x: Any, maxcnt: Any = ..., silent: Any = ...) -> Any
+ manticore/core/smtlib/solver.py:605: note:      Subclass:
+ manticore/core/smtlib/solver.py:605: note:          _lru_cache_wrapper[[SMTLIBSolver, ConstraintSet, Any, int | None, bool], Any]

pandas (https://github.com/pandas-dev/pandas)
+ pandas/core/dtypes/cast.py:592: error: Unused "type: ignore" comment  [unused-ignore]
+ pandas/core/arrays/base.py:2318: error: Missing positional argument "is_numeric" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pandas/core/arrays/base.py:2318: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[WrappedCythonOp]"  [arg-type]
+ pandas/core/arrays/base.py:2318: error: Argument 3 to "__call__" of "_lru_cache_wrapper" has incompatible type "dtype[object_]"; expected "str"  [arg-type]
+ pandas/core/arrays/base.py:2318: error: Argument 4 to "__call__" of "_lru_cache_wrapper" has incompatible type "bool"; expected "dtype[Any]"  [arg-type]
+ pandas/core/apply.py:993: error: Unused "type: ignore" comment  [unused-ignore]
+ pandas/core/groupby/ops.py:402: error: Missing positional argument "is_numeric" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pandas/core/groupby/ops.py:402: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[WrappedCythonOp]"  [arg-type]
+ pandas/core/groupby/ops.py:402: error: Argument 4 to "__call__" of "_lru_cache_wrapper" has incompatible type "bool"; expected "dtype[Any]"  [arg-type]

mitmproxy (https://github.com/mitmproxy/mitmproxy)
+ mitmproxy/coretypes/serializable.py:83: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/coretypes/serializable.py:91: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/coretypes/serializable.py:99: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/proxy/mode_specs.py:165: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/connection.py:181: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/connection.py:181: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Never]"  [arg-type]
+ mitmproxy/utils/asyncio_utils.py:62: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "Any | str"; expected "tuple[Any, ...] | None"  [arg-type]
+ mitmproxy/tools/console/common.py:811: error: Argument "error_message" to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "str"  [arg-type]
+ mitmproxy/tools/console/common.py:848: error: Incompatible types in assignment (expression has type "_lru_cache_wrapper[[NamedArg(RenderMode, 'render_mode'), NamedArg(bool, 'focused'), NamedArg(str, 'marked'), NamedArg(str | None, 'is_replay'), NamedArg(str, 'request_method'), NamedArg(str, 'request_scheme'), NamedArg(str, 'request_host'), NamedArg(str, 'request_path'), NamedArg(str, 'request_url'), NamedArg(str, 'request_http_version'), NamedArg(float, 'request_timestamp'), NamedArg(bool, 'request_is_push_promise'), NamedArg(bool, 'intercepted'), NamedArg(int | None, 'response_code'), NamedArg(str | None, 'response_reason'), NamedArg(int | None, 'response_content_length'), NamedArg(str | None, 'response_content_type'), NamedArg(float | None, 'duration'), NamedArg(str | None, 'error_message')], Any]", variable has type "_lru_cache_wrapper[[NamedArg(RenderMode, 'render_mode'), NamedArg(bool, 'focused'), NamedArg(str, 'marked'), NamedArg(bool, 'is_replay'), NamedArg(str, 'request_method'), NamedArg(str, 'request_scheme'), NamedArg(str, 'request_host'), NamedArg(str, 'request_path'), NamedArg(str, 'request_url'), NamedArg(str, 'request_http_version'), NamedArg(float, 'request_timestamp'), NamedArg(bool, 'request_is_push_promise'), NamedArg(bool, 'intercepted'), NamedArg(int | None, 'response_code'), NamedArg(str | None, 'response_reason'), NamedArg(int | None, 'response_content_length'), NamedArg(str | None, 'response_content_type'), NamedArg(float | None, 'duration'), NamedArg(str | None, 'error_message')], Any]")  [assignment]
+ mitmproxy/tools/console/common.py:853: error: Argument "is_replay" to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "bool"  [arg-type]
+ mitmproxy/command.py:286: error: Missing positional argument "cmdstr" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/command.py:286: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "CommandManager"  [arg-type]
+ mitmproxy/test/tflow.py:134: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/test/tflow.py:134: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Never]"  [arg-type]
+ mitmproxy/test/tflow.py:235: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/test/tflow.py:235: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Never]"  [arg-type]
+ mitmproxy/proxy/server.py:564: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/proxy/server.py:564: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Never]"  [arg-type]
+ mitmproxy/proxy/mode_servers.py:116: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/proxy/mode_servers.py:116: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Never]"  [arg-type]
+ mitmproxy/addons/clientplayback.py:98: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/addons/proxyserver.py:104: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/addons/proxyserver.py:104: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Never]"  [arg-type]
+ mitmproxy/addons/proxyserver.py:248: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/addons/proxyserver.py:288: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/master.py:135: error: Missing positional argument "spec" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/tools/console/commander/commander.py:77: error: Missing positional argument "cmdstr" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/tools/console/commander/commander.py:77: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "CommandManager"  [arg-type]
+ mitmproxy/tools/console/commander/commander.py:109: error: Missing positional argument "cmdstr" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/tools/console/commander/commander.py:110: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "CommandManager"  [arg-type]
+ mitmproxy/tools/console/flowview.py:303: error: Missing positional argument "_" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/tools/console/flowlist.py:78: error: Missing positional argument "pos" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/tools/console/flowlist.py:81: error: Missing positional argument "pos" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/tools/console/quickhelp.py:177: error: Missing positional argument "help" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mitmproxy/tools/console/quickhelp.py:177: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "Keymap"  [arg-type]

pylint (https://github.com/pycqa/pylint)
+ pylint/checkers/utils.py:2258: error: "_lru_cache_wrapper" expects 2 type arguments, but 1 given  [type-arg]
+ pylint/checkers/utils.py:2258: error: Missing type parameters for generic type "_lru_cache_wrapper"  [type-arg]
+ pylint/message/message_definition_store.py:78: error: Missing positional argument "msgid_or_symbol" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pylint/message/message_definition_store.py:78: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MessageDefinitionStore"  [arg-type]
+ pylint/message/message_definition_store.py:87: error: Missing positional argument "msgid_or_symbol" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pylint/message/message_definition_store.py:88: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MessageDefinitionStore"  [arg-type]
+ pylint/lint/message_state_handler.py:123: error: Missing positional argument "msgid_or_symbol" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pylint/lint/message_state_handler.py:123: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MessageDefinitionStore"  [arg-type]
+ pylint/lint/message_state_handler.py:151: error: Missing positional argument "msgid_or_symbol" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pylint/lint/message_state_handler.py:151: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MessageDefinitionStore"  [arg-type]
+ pylint/lint/pylinter.py:1264: error: Missing positional argument "msgid_or_symbol" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pylint/lint/pylinter.py:1264: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MessageDefinitionStore"  [arg-type]
+ pylint/lint/pylinter.py:1291: error: Missing positional argument "msgid_or_symbol" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pylint/lint/pylinter.py:1291: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MessageDefinitionStore"  [arg-type]
+ pylint/checkers/format.py:446: error: Missing positional argument "msgid_or_symbol" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ pylint/checkers/format.py:447: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MessageDefinitionStore"  [arg-type]

rich (https://github.com/Textualize/rich)
+ rich/theme.py:25: error: Missing positional argument "style_definition" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/theme.py:25: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Style]"  [arg-type]
+ rich/theme.py:54: error: Missing positional argument "style_definition" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/theme.py:54: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Style]"  [arg-type]
+ rich/style.py:147: error: Missing positional argument "color" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:147: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Color]"  [arg-type]
+ rich/style.py:368: error: Missing positional argument "system" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:368: error: Missing positional argument "self" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:368: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "ColorSystem"; expected "Color"  [arg-type]
+ rich/style.py:371: error: Missing positional argument "system" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:371: error: Missing positional argument "self" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:371: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "ColorSystem"; expected "Color"  [arg-type]
+ rich/style.py:391: error: Missing positional argument "style_definition" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:391: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Style]"  [arg-type]
+ rich/style.py:527: error: Missing positional argument "color" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:527: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Color]"  [arg-type]
+ rich/style.py:554: error: Missing positional argument "color" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:554: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Color]"  [arg-type]
+ rich/style.py:758: error: Missing positional argument "style" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/style.py:758: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "Style | None"; expected "Style"  [arg-type]
+ rich/segment.py:168: error: Missing positional argument "cut" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/segment.py:168: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "Segment"; expected "type[Segment]"  [arg-type]
+ rich/segment.py:168: error: Argument 2 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "Segment"  [arg-type]
+ rich/markup.py:163: error: Missing positional argument "style" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/markup.py:163: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Style]"  [arg-type]
+ rich/markup.py:220: error: Missing positional argument "style" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/markup.py:220: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Style]"  [arg-type]
+ rich/jupyter.py:72: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "TerminalTheme"; expected "Style"  [arg-type]
+ rich/console.py:1477: error: Missing positional argument "style_definition" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/console.py:1477: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Style]"  [arg-type]
+ rich/console.py:2211: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "TerminalTheme"; expected "Style"  [arg-type]
+ rich/console.py:2223: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "TerminalTheme"; expected "Style"  [arg-type]
+ rich/color.py:552: error: Missing positional argument "color" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/color.py:552: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "ColorTriplet"; expected "Palette"  [arg-type]
+ rich/color.py:565: error: Missing positional argument "color" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/color.py:565: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "ColorTriplet"; expected "Palette"  [arg-type]
+ rich/ansi.py:175: error: Missing positional argument "style_definition" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/ansi.py:175: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[Style]"  [arg-type]
+ rich/progress_bar.py:144: error: Missing positional argument "no_color" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ rich/progress_bar.py:145: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "Style"; expected "ProgressBar"  [arg-type]
+ rich/progress_bar.py:145: error: Argument 3 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "Style"  [arg-type]
+ rich/progress_bar.py:145: error: Argument 4 to "__call__" of "_lru_cache_wrapper" has incompatible type "bool"; expected "str"  [arg-type]

mypy (https://github.com/python/mypy)
+ mypy/find_sources.py:160: error: Missing positional argument "dir" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mypy/find_sources.py:160: note: See https://mypy.rtfd.io/en/stable/_refs.html#code-call-arg for more info
+ mypy/find_sources.py:160: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "SourceFinder"  [arg-type]
+ mypy/find_sources.py:202: error: Missing positional argument "dir" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mypy/find_sources.py:202: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "SourceFinder"  [arg-type]
- mypy/test/helpers.py:44: note: See https://mypy.rtfd.io/en/stable/_refs.html#code-call-arg for more info

optuna (https://github.com/optuna/optuna)
+ optuna/importance/_fanova/_tree.py:105: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:105: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:110: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:110: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:111: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:111: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:116: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:116: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:128: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:128: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:161: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:161: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:162: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:162: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:167: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:167: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:175: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:175: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:178: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:178: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:214: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:214: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:216: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:216: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:232: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:232: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:235: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:235: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:264: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:264: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:286: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:286: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:287: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:287: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:296: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:296: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ optuna/importance/_fanova/_tree.py:297: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ optuna/importance/_fanova/_tree.py:297: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:219: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:219: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:220: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:220: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:221: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:221: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:222: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:222: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:223: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:223: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:225: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:225: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:226: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:226: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:227: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:227: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:228: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:228: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:229: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:229: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:231: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:231: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:232: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:232: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:233: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:233: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:234: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:234: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:235: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:235: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:237: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:237: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:238: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:238: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:239: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:239: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:240: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:240: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:241: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:241: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:243: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:243: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:244: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:244: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:245: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:245: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:246: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:246: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:247: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:247: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:249: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:249: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:250: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:250: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:251: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:251: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:252: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:252: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:253: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:253: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:255: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:255: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]
+ tests/importance_tests/fanova_tests/test_tree.py:256: error: Missing positional argument "node_index" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ tests/importance_tests/fanova_tests/test_tree.py:256: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "int"; expected "_FanovaTree"  [arg-type]

dacite (https://github.com/konradhalas/dacite)
+ dacite/core.py:51: error: Argument "localns" to "get_type_hints" has incompatible type "FrozenDict | None"; expected "dict[str, Any] | None"  [arg-type]

isort (https://github.com/pycqa/isort)
+ isort/deprecated/finders.py:296: error: Missing positional argument "path" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ isort/deprecated/finders.py:296: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "Type[RequirementsFinder]"  [arg-type]
+ isort/deprecated/finders.py:327: error: Missing positional argument "path" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ isort/deprecated/finders.py:327: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "Type[RequirementsFinder]"  [arg-type]

mkosi (https://github.com/systemd/mkosi)
+ mkosi/user.py:27:16: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/user.py:28:16: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/user.py:29:24: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/user.py:50:21: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/user.py:55:32: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/user.py:65:67: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/user.py:66:21: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/sandbox.py:179:77: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/sandbox.py:233:20: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/sandbox.py:236:35: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/config.py:481:20: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/__init__.py:501:22: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/__init__.py:1548:20: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/__init__.py:1549:20: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/__init__.py:1556:25: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/__init__.py:2501:61: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/__init__.py:3941:28: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ mkosi/__init__.py:4125:22: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]

psycopg (https://github.com/psycopg/psycopg)
+ psycopg/psycopg/rows.py:141: error: Argument 2 to "__call__" of "_lru_cache_wrapper" has incompatible type "*Generator[bytes | None, None, None]"; expected "bytes"  [arg-type]

core (https://github.com/home-assistant/core)
+ homeassistant/util/unit_conversion.py:78: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/util/unit_conversion.py:78: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/util/unit_conversion.py:355: error: Signature of "converter_factory" incompatible with supertype "BaseUnitConverter"  [override]
+ homeassistant/util/unit_conversion.py:355: note:      Superclass:
+ homeassistant/util/unit_conversion.py:355: note:          _lru_cache_wrapper[[type[BaseUnitConverter], str | None, str | None], Callable[[float], float]]
+ homeassistant/util/unit_conversion.py:355: note:      Subclass:
+ homeassistant/util/unit_conversion.py:355: note:          _lru_cache_wrapper[[type[SpeedConverter], str | None, str | None], Callable[[float], float]]
+ homeassistant/util/unit_conversion.py:369: error: Signature of "converter_factory_allow_none" incompatible with supertype "BaseUnitConverter"  [override]
+ homeassistant/util/unit_conversion.py:369: note:      Superclass:
+ homeassistant/util/unit_conversion.py:369: note:          _lru_cache_wrapper[[type[BaseUnitConverter], str | None, str | None], Callable[[float | None], float | None]]
+ homeassistant/util/unit_conversion.py:369: note:      Subclass:
+ homeassistant/util/unit_conversion.py:369: note:          _lru_cache_wrapper[[type[SpeedConverter], str | None, str | None], Callable[[float | None], float | None]]
+ homeassistant/util/unit_conversion.py:436: error: Signature of "converter_factory" incompatible with supertype "BaseUnitConverter"  [override]
+ homeassistant/util/unit_conversion.py:436: note:      Superclass:
+ homeassistant/util/unit_conversion.py:436: note:          _lru_cache_wrapper[[type[BaseUnitConverter], str | None, str | None], Callable[[float], float]]
+ homeassistant/util/unit_conversion.py:436: note:      Subclass:
+ homeassistant/util/unit_conversion.py:436: note:          _lru_cache_wrapper[[type[TemperatureConverter], str | None, str | None], Callable[[float], float]]
+ homeassistant/util/unit_conversion.py:450: error: Signature of "converter_factory_allow_none" incompatible with supertype "BaseUnitConverter"  [override]
+ homeassistant/util/unit_conversion.py:450: note:      Superclass:
+ homeassistant/util/unit_conversion.py:450: note:          _lru_cache_wrapper[[type[BaseUnitConverter], str | None, str | None], Callable[[float | None], float | None]]
+ homeassistant/util/unit_conversion.py:450: note:      Subclass:
+ homeassistant/util/unit_conversion.py:450: note:          _lru_cache_wrapper[[type[TemperatureConverter], str | None, str | None], Callable[[float | None], float | None]]
+ homeassistant/util/unit_conversion.py:516: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/util/unit_conversion.py:516: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/helpers/temperature.py:28: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/helpers/temperature.py:28: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[TemperatureConverter]"  [arg-type]
+ homeassistant/components/recorder/statistics.py:263: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/recorder/statistics.py:278: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/recorder/statistics.py:289: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/sensor/__init__.py:693: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/sensor/__init__.py:694: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/components/sensor/__init__.py:715: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/sensor/__init__.py:716: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/components/sensor/__init__.py:785: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/sensor/__init__.py:786: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/components/number/__init__.py:437: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/number/__init__.py:438: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/components/number/__init__.py:461: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/number/__init__.py:462: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/components/hassio/ingress.py:130: error: Missing positional argument "path" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/hassio/ingress.py:130: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "HassIOIngress"  [arg-type]
+ homeassistant/components/hassio/ingress.py:160: error: Missing positional argument "path" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/hassio/ingress.py:160: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "HassIOIngress"  [arg-type]
+ homeassistant/components/prometheus/__init__.py:647: error: Missing positional argument "entity_id" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/prometheus/__init__.py:647: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "EntityValues"  [arg-type]
+ homeassistant/components/nest/camera.py:195: error: Argument 1 to "async_add_executor_job" of "HomeAssistant" has incompatible type "_lru_cache_wrapper[[type[NestCamera]], bytes]"; expected "Callable[[], bytes | None]"  [arg-type]
+ homeassistant/components/nest/camera.py:195: note: "_lru_cache_wrapper[[type[NestCamera]], bytes].__call__" has type "Callable[[Arg(type[NestCamera], 'cls')], bytes]"
+ homeassistant/components/influxdb/__init__.py:243: error: Missing positional argument "entity_id" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/influxdb/__init__.py:243: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "EntityValues"  [arg-type]
+ homeassistant/components/emulated_hue/hue_api.py:890: error: Missing positional argument "entity_id" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/emulated_hue/hue_api.py:890: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "Config"  [arg-type]
+ homeassistant/components/emulated_hue/hue_api.py:891: error: Missing positional argument "self" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/mqtt/client.py:660: error: Missing positional argument "topic" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/mqtt/client.py:660: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MQTT"  [arg-type]
+ homeassistant/components/mqtt/client.py:837: error: Missing positional argument "topic" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/mqtt/client.py:837: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str"; expected "MQTT"  [arg-type]
+ homeassistant/components/sensor/recorder.py:260: error: Missing positional argument "to_unit" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ homeassistant/components/sensor/recorder.py:260: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "Any | None"; expected "type[BaseUnitConverter]"  [arg-type]
+ homeassistant/components/mqtt_room/sensor.py:196: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "Any | None"; expected "str"  [arg-type]
+ homeassistant/components/esphome/light.py:194: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:203: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:214: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:223: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:224: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:229: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:241: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:258: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:263: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:277: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]
+ homeassistant/components/esphome/light.py:358: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[int, ...]"; expected "list[int]"  [arg-type]

ibis (https://github.com/ibis-project/ibis)
+ ibis/backends/polars/__init__.py:390: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ ibis/backends/pandas/__init__.py:276: error: Missing positional argument "cls" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ ibis/backends/tests/test_temporal.py:2390: error: Argument "exclude" to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[str, str, str, str]"; expected "tuple[str]"  [arg-type]
+ ibis/backends/tests/test_temporal.py:2408: error: Argument "exclude" to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[str, str, str, str, str, str, str, str]"; expected "tuple[str]"  [arg-type]
+ ibis/backends/tests/test_dot_sql.py:241: error: Argument "exclude" to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[str, str]"; expected "tuple[str]"  [arg-type]

jinja (https://github.com/pallets/jinja)
+ src/jinja2/environment.py:1186: error: Unused "type: ignore" comment  [unused-ignore]
+ src/jinja2/environment.py:1201: error: Unused "type: ignore" comment  [unused-ignore]

jax (https://github.com/google/jax)
+ jax/experimental/export/_shape_poly.py:1767: error: Missing positional argument "e" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ jax/experimental/export/_shape_poly.py:1767: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "_DimExpr | int"; expected "CachingShapeEvaluator"  [arg-type]
+ jax/experimental/export/_shape_poly.py:1789: error: Missing positional argument "e" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ jax/experimental/export/_shape_poly.py:1789: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "_DimExpr | int"; expected "CachingShapeEvaluator"  [arg-type]
+ jax/experimental/export/_shape_poly.py:1841: error: Missing positional argument "e" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ jax/experimental/export/_shape_poly.py:1841: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "_DimExpr | int"; expected "CachingShapeEvaluator"  [arg-type]
+ jax/experimental/export/_shape_poly.py:2015: error: Missing positional argument "e" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]
+ jax/experimental/export/_export.py:1122: error: Missing positional argument "e" in call to "__call__" of "_lru_cache_wrapper"  [call-arg]

mongo-python-driver (https://github.com/mongodb/mongo-python-driver)
+ bson/datetime_ms.py:141: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tzinfo"; expected "timezone"  [arg-type]
+ bson/datetime_ms.py:143: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tzinfo"; expected "timezone"  [arg-type]

@JelleZijlstra
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From the mypy-primer hit on mypy, seems like this still doesn't work properly for methods: https://github.com/python/mypy/blob/99f4b8138467c9a77003369b01242c202a6599c0/mypy/find_sources.py#L162

@AlexWaygood
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AlexWaygood commented Mar 26, 2024 •
edited
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FWIW, I still think #7771 was the most viable version of the many attempts we've had to fix this, and I'd be interested in seeing a retry of that.

It was (not unreasonably) closed after it had been open for a long time without review. But the primer report wasn't actually too bad at all.

@AlexWaygood AlexWaygood linked an issue Mar 26, 2024 that may be closed by this pull request
@functools.cache destroys the function signature #11280
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@cdce8p
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cdce8p commented Mar 26, 2024

I looked just at #7771. Tbh I'm not sure that fix the issue, at least I wasn't able to get it working. AFAICT the issue might be more fundamental. Let's consider this example for a moment.

from typing import Generic, Callable, ParamSpec

_P = ParamSpec("_P")

class Wrapper(Generic[_P]):
    def __call__(self, *args: _P.args, **kwargs: _P.kwargs) -> None: ...

def decorator(func: Callable[_P, None]) -> Callable[_P, None]: ...
def lru_cache(func: Callable[_P, None]) -> Wrapper[_P]: ...


class A:
    @decorator
    def method1(self, val: int) -> None: ...

    @lru_cache
    def method2(self, val: str) -> None: ...

    def other(self) -> None:
        reveal_type(self.method1)
        reveal_type(self.method2)
        reveal_type(A.method1)
        reveal_type(A.method2)
        self.method1(2)
        self.method2("Hello")

Both decorator and lru_cache should pass on the arguments and yet for decorator all type checkers know that an instance of A will be passed with the call to self.method1. However, for self.method2 that doesn't seem to be the case.

The mypy output

Revealed type is "def (val: builtins.int)"
Revealed type is "test.Wrapper[[self: test.A, val: builtins.str]]"
Revealed type is "def (self: test9.A, val: builtins.int)"
Revealed type is "test.Wrapper[[self: test.A, val: builtins.str]]"

# and the error for `self.method2("Hello")
error: Missing positional argument "val" in call to "__call__" of "Wrapper"  [call-arg]
error: Argument 1 to "__call__" of "Wrapper" has incompatible type "str"; expected "A"  [arg-type]

Pyright looks similar.

--
I would assume that reveal.type(self.method2) should be Wrapper[[val: str]] instead. Am I missing something here?
Only reveal_type(A.method2) should be Wrapper[[self: A, val: str]].

@AlexWaygood
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AlexWaygood commented Mar 26, 2024 •
edited
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Yes, I think the fundamental issue is that it was never really fully specc'd out how ParamSpec should interact with methods: python/typing#946

@Viicos
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Viicos commented Mar 27, 2024 •
edited
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I think #7771 was missing some overloads for __get__. I've played a bit and here is what I came with:

Code sample in pyright playground

Show code 
from typing import TypeVar, ParamSpec, Generic, Callable, Concatenate, Self, overload

_P = ParamSpec("_P")
_S = TypeVar("_S")
_R = TypeVar("_R")


class _lru_cache_wrapper_0(Generic[_P, _R]):
    __wrapped__: Callable[_P, _R]

    def __call__(self, *args: _P.args, **kwargs: _P.kwargs) -> _R: ...

    def cache_clear(self) -> None: ...


class _lru_cache_wrapper(Generic[_S, _P, _R]):
    __wrapped__: Callable[Concatenate[_S, _P], _R]

    __call__: Callable[Concatenate[_S, _P], _R]
    # Or as a method (however, the _self parameter can't be named self):
    # def __call__(self, _self: _S, *args: _P.args, **kwargs: _P.kwargs) -> _R: ...

    @overload
    def __get__(self, instance: _S, owner: type | None = ..., /) -> _lru_cache_wrapper_0[_P, _R]: ...

    @overload
    def __get__(self, instance: None, owner: type | None = ..., /) -> Self: ...

    def cache_clear(self) -> None: ...


@overload
def cache(user_function: Callable[Concatenate[_S, _P], _R], /) -> _lru_cache_wrapper[_S, _P, _R]: ...

@overload
def cache(user_function: Callable[_P, _R], /) -> _lru_cache_wrapper_0[_P, _R]: ...


class A:

    @cache
    def some_meth(self, a: int) -> int: ...


@cache
def some_func(a: int) -> int: ...


reveal_type(A.some_meth.__call__)
reveal_type(A().some_meth.__call__)

reveal_type(some_func)  # _lru_cache_wrapper[int, (), int], so it matches the first `cache` overload :/
reveal_type(some_func.__call__)  # def __call__(int) -> int, so still ok?
# ... seems to be, as `__get__` is not relevant for functions. So it uses the __call__ defined on `_lru_cache_wrapper`

I was a bit worried about the cache overloads, as they overlap in some way and the first one is used even for functions (without a self argument). However, this doesn't seem to be an issue, as described by my comment in the end.

@strangemonad
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Something like this would be great to land. It seems it would directly address at least this current issue I'm facing with pyright microsoft/pyright#7594. There's also been at least these other pyright issues microsoft/pyright#6668, microsoft/pyright#2133, and microsoft/pyright#2578

There seems to be a handful of similarly related typeshed issues (#2569, #4638, #4849, #6347, #6987, . Is there a canonical parent issue that might be helpful to reference for both this PR #11662 and #7771? Issue #6347 possibly seems like the most relevant but is still specifically focuses on deciding if the functools._lru_cache_wrapper should be a Callable and there seems to be a broader discussion along the lines of "what to do to make cache-style decorators work."

As far as test cases #11662 (review) here's at least one that I'm hoping will work (there are certainly more to elaborate)

import typing
from functools import lru_cache
from typing import Any, Generic, TypeVar

T = TypeVar("T")

class Store(Generic[T]):
    def __init__(self, entity_cls: type[T], db_session: Any):
        super().__init__()
        self._entity_cls = entity_cls
        self._db_session = db_session

    def get(self, pkey: str) -> T:
        ...

    def create(self, value: T) -> T:
        ...


class DB:
    def __init__(self, db_session: Any):
        super().__init__()
        self._db_session = db_session

    def store_of(self, entity_cls: type[T]) -> Store[T]:
        return Store(entity_cls=entity_cls, db_session=self._db_session)

    @my_decorator
    def my_decorated_store_of(self, entity_cls: type[T]) -> Store[T]:
        return Store(entity_cls=entity_cls, db_session=self._db_session)

    @lru_cache
    def cached_store_of(self, entity_cls: type[T]) -> Store[T]:
        return Store(entity_cls=entity_cls, db_session=self._db_session)


class Account:
    ...


typing.reveal_type(DB(db_session="connection").store_of(entity_cls=Account))
account_store_1: Store[Account] = DB(db_session="connection").store_of(
    entity_cls=Account,
)

typing.reveal_type(DB(db_session="connection").my_decorated_store_of(entity_cls=Account))
account_store_2: Store[Account] = DB(db_session="connection").my_decorated_store_of(
    entity_cls=Account,
)

typing.reveal_type(DB(db_session="connection").cached_store_of(entity_cls=Account))
account_store_3: Store[Account] = DB(db_session="connection").cached_store_of(
    entity_cls=Account,
)

@JelleZijlstra
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Unfortunately the mypy-primer hits indicate this is still probably not mergeable. I agree it would be great to land a version of this, but it may require significant work.

If someone wants to work towards getting this issue fixed, they should be prepared to implement and champion a change to the typing spec and/or changes to ParamSpec support in mypy or other type checkers.

@cdce8p cdce8p mentioned this pull request Apr 14, 2024
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@cdce8p
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cdce8p commented Apr 14, 2024

If someone wants to work towards getting this issue fixed, they should be prepared to implement and champion a change to the typing spec and/or changes to ParamSpec support in mypy or other type checkers.

Opened a discussion thread here: https://discuss.python.org/t/allow-self-binding-for-generic-paramspec/50948
And created a reference implementation for mypy: python/mypy#17123

@srittau srittau added the status: deferred Issue or PR deferred until some precondition is fixed label Apr 14, 2024
@srittau
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srittau commented Apr 14, 2024

Thanks for opening the discussion! I've marked this PR as "deferred" for now.

@cdce8p
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cdce8p commented Apr 14, 2024

And created a reference implementation for mypy: python/mypy#17123

With the mypy change applied, the primer diff would look like this

mitmproxy (https://github.com/mitmproxy/mitmproxy)
+ mitmproxy/utils/asyncio_utils.py:62: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "Any | str"; expected "tuple[Any, ...] | None"  [arg-type]
+ mitmproxy/tools/console/common.py:811: error: Argument "error_message" to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "str"  [arg-type]
+ mitmproxy/tools/console/common.py:848: error: Incompatible types in assignment (expression has type "_lru_cache_wrapper[[NamedArg(RenderMode, 'render_mode'), NamedArg(bool, 'focused'), NamedArg(str, 'marked'), NamedArg(str | None, 'is_replay'), NamedArg(str, 'request_method'), NamedArg(str, 'request_scheme'), NamedArg(str, 'request_host'), NamedArg(str, 'request_path'), NamedArg(str, 'request_url'), NamedArg(str, 'request_http_version'), NamedArg(float, 'request_timestamp'), NamedArg(bool, 'request_is_push_promise'), NamedArg(bool, 'intercepted'), NamedArg(int | None, 'response_code'), NamedArg(str | None, 'response_reason'), NamedArg(int | None, 'response_content_length'), NamedArg(str | None, 'response_content_type'), NamedArg(float | None, 'duration'), NamedArg(str | None, 'error_message')], Any]", variable has type "_lru_cache_wrapper[[NamedArg(RenderMode, 'render_mode'), NamedArg(bool, 'focused'), NamedArg(str, 'marked'), NamedArg(bool, 'is_replay'), NamedArg(str, 'request_method'), NamedArg(str, 'request_scheme'), NamedArg(str, 'request_host'), NamedArg(str, 'request_path'), NamedArg(str, 'request_url'), NamedArg(str, 'request_http_version'), NamedArg(float, 'request_timestamp'), NamedArg(bool, 'request_is_push_promise'), NamedArg(bool, 'intercepted'), NamedArg(int | None, 'response_code'), NamedArg(str | None, 'response_reason'), NamedArg(int | None, 'response_content_length'), NamedArg(str | None, 'response_content_type'), NamedArg(float | None, 'duration'), NamedArg(str | None, 'error_message')], Any]")  [assignment]
+ mitmproxy/tools/console/common.py:853: error: Argument "is_replay" to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "bool"  [arg-type]

dacite (https://github.com/konradhalas/dacite)
+ dacite/core.py:51: error: Argument "localns" to "get_type_hints" has incompatible type "FrozenDict | None"; expected "dict[str, Any] | None"  [arg-type]

pip (https://github.com/pypa/pip)
+ src/pip/_internal/index/package_finder.py:909: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "str"  [arg-type]

psycopg (https://github.com/psycopg/psycopg)
+ psycopg/psycopg/rows.py:141: error: Argument 2 to "__call__" of "_lru_cache_wrapper" has incompatible type "*Generator[bytes | None, None, None]"; expected "bytes"  [arg-type]

pylint (https://github.com/pycqa/pylint)
+ pylint/checkers/utils.py:2262: error: "_lru_cache_wrapper" expects 2 type arguments, but 1 given  [type-arg]
+ pylint/checkers/utils.py:2262: error: Missing type parameters for generic type "_lru_cache_wrapper"  [type-arg]

jinja (https://github.com/pallets/jinja)
+ src/jinja2/environment.py:1186: error: Unused "type: ignore" comment  [unused-ignore]
+ src/jinja2/environment.py:1201: error: Unused "type: ignore" comment  [unused-ignore]

pandas (https://github.com/pandas-dev/pandas)
+ pandas/core/dtypes/cast.py:592: error: Unused "type: ignore" comment  [unused-ignore]
+ pandas/core/apply.py:981: error: Unused "type: ignore" comment  [unused-ignore]

manticore (https://github.com/trailofbits/manticore)
+ manticore/core/smtlib/solver.py:505: error: Signature of "can_be_true" incompatible with supertype "Solver"  [override]
+ manticore/core/smtlib/solver.py:505: note:      Superclass:
+ manticore/core/smtlib/solver.py:505: note:          def can_be_true(self, constraints: Any, expression: Any = ...) -> bool
+ manticore/core/smtlib/solver.py:505: note:      Subclass:
+ manticore/core/smtlib/solver.py:505: note:          _lru_cache_wrapper[[SMTLIBSolver, ConstraintSet, bool | Bool], bool]
+ manticore/core/smtlib/solver.py:605: error: Signature of "get_all_values" incompatible with supertype "Solver"  [override]
+ manticore/core/smtlib/solver.py:605: note:      Superclass:
+ manticore/core/smtlib/solver.py:605: note:          def get_all_values(self, constraints: Any, x: Any, maxcnt: Any = ..., silent: Any = ...) -> Any
+ manticore/core/smtlib/solver.py:605: note:      Subclass:
+ manticore/core/smtlib/solver.py:605: note:          _lru_cache_wrapper[[SMTLIBSolver, ConstraintSet, Any, int | None, bool], Any]

mongo-python-driver (https://github.com/mongodb/mongo-python-driver)
+ bson/datetime_ms.py:141: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tzinfo"; expected "timezone"  [arg-type]
+ bson/datetime_ms.py:143: error: Argument 1 to "__call__" of "_lru_cache_wrapper" has incompatible type "tzinfo"; expected "timezone"  [arg-type]

rich (https://github.com/Textualize/rich)
+ rich/progress_bar.py:145: error: Argument 3 to "__call__" of "_lru_cache_wrapper" has incompatible type "str | None"; expected "str"  [arg-type]

ibis (https://github.com/ibis-project/ibis)
+ ibis/backends/tests/test_temporal.py:2364: error: Argument "exclude" to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[str, str, str, str]"; expected "tuple[str]"  [arg-type]
+ ibis/backends/tests/test_temporal.py:2382: error: Argument "exclude" to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[str, str, str, str, str, str, str, str]"; expected "tuple[str]"  [arg-type]
+ ibis/backends/tests/test_dot_sql.py:241: error: Argument "exclude" to "__call__" of "_lru_cache_wrapper" has incompatible type "tuple[str, str]"; expected "tuple[str]"  [arg-type]

pydantic (https://github.com/samuelcolvin/pydantic)
+ pydantic/v1/tools.py:37: error: Unused "type: ignore" comment  [unused-ignore]

@hauntsaninja
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@Viicos I think your approach works, although for mypy it currently needs to have def __call__ to bind correctly. Would you be interested in opening a PR?

@Viicos
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Viicos commented Apr 16, 2024

I can give it a shot and see how the primer diff looks like 👍

@Viicos Viicos mentioned this pull request Jul 11, 2024
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@alwaysmpe
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Is this PR still deferred? I think I've got a working version in the current type system, see #11280

@cdce8p
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cdce8p commented Nov 3, 2024

@alwaysmpe Feel free to open a new PR with your suggestion. That way we could test if it works and look at the mypy primer output.

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@cdce8p I've created #12945 so see how it goes, thanks

@alwaysmpe alwaysmpe mentioned this pull request Nov 18, 2024
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@Vizonex Vizonex mentioned this pull request Jul 12, 2025
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@JelleZijlstra JelleZijlstra JelleZijlstra approved these changes

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@functools.cache destroys the function signature
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@cdce8p @JelleZijlstra @AlexWaygood @Viicos @strangemonad @srittau @hauntsaninja @alwaysmpe