forked from pool/python-flake8
Dirk Mueller
2ab6a6d92b
* Properly preserve escaped `{` and `}` in fstrings in logical
lines in 3.12+.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-flake8?expand=0&rev=95
99 lines
2.6 KiB
Python
99 lines
2.6 KiB
Python
#!/usr/bin/env python3
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from __future__ import annotations
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import inspect
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import os.path
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from typing import Any
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from typing import Callable
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from typing import Generator
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from typing import NamedTuple
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import pycodestyle
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def _too_long(s: str) -> str:
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if len(s) >= 80:
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return f"{s} # noqa: E501"
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else:
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return s
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class Call(NamedTuple):
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name: str
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is_generator: bool
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params: tuple[str, ...]
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def to_src(self) -> str:
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params_s = ", ".join(self.params)
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if self.is_generator:
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return _too_long(f" yield from _{self.name}({params_s})")
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else:
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lines = (
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_too_long(f" ret = _{self.name}({params_s})"),
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" if ret is not None:",
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" yield ret",
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)
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return "\n".join(lines)
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@classmethod
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def from_func(cls, func: Callable[..., Any]) -> Call:
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spec = inspect.getfullargspec(func)
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params = tuple(spec.args)
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return cls(func.__name__, inspect.isgeneratorfunction(func), params)
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def lines() -> Generator[str, None, None]:
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logical = []
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physical = []
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logical = [
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Call.from_func(check) for check in pycodestyle._checks["logical_line"]
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]
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physical = [
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Call.from_func(check) for check in pycodestyle._checks["physical_line"]
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]
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assert not pycodestyle._checks["tree"]
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yield f'"""Generated using ./bin/{os.path.basename(__file__)}."""'
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yield "# fmt: off"
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yield "from __future__ import annotations"
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yield ""
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yield "from typing import Any"
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yield "from typing import Generator"
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yield ""
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imports = sorted(call.name for call in logical + physical)
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for name in imports:
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yield _too_long(f"from pycodestyle import {name} as _{name}")
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yield ""
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yield ""
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yield "def pycodestyle_logical("
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logical_params = {param for call in logical for param in call.params}
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for param in sorted(logical_params):
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yield f" {param}: Any,"
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yield ") -> Generator[tuple[int, str], None, None]:"
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yield ' """Run pycodestyle logical checks."""'
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for call in sorted(logical):
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yield call.to_src()
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yield ""
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yield ""
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yield "def pycodestyle_physical("
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physical_params = {param for call in physical for param in call.params}
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for param in sorted(physical_params):
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yield f" {param}: Any,"
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yield ") -> Generator[tuple[int, str], None, None]:"
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yield ' """Run pycodestyle physical checks."""'
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for call in sorted(physical):
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yield call.to_src()
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def main() -> int:
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for line in lines():
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print(line)
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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