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forked from pool/python-flake8
python-flake8/gen-pycodestyle-plugin
Dirk Mueller 2ab6a6d92b - update to 7.1.1:
* 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
2024-08-21 17:52:56 +00:00

99 lines
2.6 KiB
Python

#!/usr/bin/env python3
from __future__ import annotations
import inspect
import os.path
from typing import Any
from typing import Callable
from typing import Generator
from typing import NamedTuple
import pycodestyle
def _too_long(s: str) -> str:
if len(s) >= 80:
return f"{s} # noqa: E501"
else:
return s
class Call(NamedTuple):
name: str
is_generator: bool
params: tuple[str, ...]
def to_src(self) -> str:
params_s = ", ".join(self.params)
if self.is_generator:
return _too_long(f" yield from _{self.name}({params_s})")
else:
lines = (
_too_long(f" ret = _{self.name}({params_s})"),
" if ret is not None:",
" yield ret",
)
return "\n".join(lines)
@classmethod
def from_func(cls, func: Callable[..., Any]) -> Call:
spec = inspect.getfullargspec(func)
params = tuple(spec.args)
return cls(func.__name__, inspect.isgeneratorfunction(func), params)
def lines() -> Generator[str, None, None]:
logical = []
physical = []
logical = [
Call.from_func(check) for check in pycodestyle._checks["logical_line"]
]
physical = [
Call.from_func(check) for check in pycodestyle._checks["physical_line"]
]
assert not pycodestyle._checks["tree"]
yield f'"""Generated using ./bin/{os.path.basename(__file__)}."""'
yield "# fmt: off"
yield "from __future__ import annotations"
yield ""
yield "from typing import Any"
yield "from typing import Generator"
yield ""
imports = sorted(call.name for call in logical + physical)
for name in imports:
yield _too_long(f"from pycodestyle import {name} as _{name}")
yield ""
yield ""
yield "def pycodestyle_logical("
logical_params = {param for call in logical for param in call.params}
for param in sorted(logical_params):
yield f" {param}: Any,"
yield ") -> Generator[tuple[int, str], None, None]:"
yield ' """Run pycodestyle logical checks."""'
for call in sorted(logical):
yield call.to_src()
yield ""
yield ""
yield "def pycodestyle_physical("
physical_params = {param for call in physical for param in call.params}
for param in sorted(physical_params):
yield f" {param}: Any,"
yield ") -> Generator[tuple[int, str], None, None]:"
yield ' """Run pycodestyle physical checks."""'
for call in sorted(physical):
yield call.to_src()
def main() -> int:
for line in lines():
print(line)
return 0
if __name__ == "__main__":
raise SystemExit(main())