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from __future__ import annotations
import importlib.machinery
import importlib.util
import os.path
import flake8.plugins.pycodestyle
HERE = os.path.dirname(os.path.abspath(__file__))
def test_up_to_date():
"""Validate that the generated pycodestyle plugin is up to date.
We generate two "meta" plugins for pycodestyle to avoid calling overhead.
To regenerate run:
./bin/gen-pycodestyle-plugin > src/flake8/plugins/pycodestyle.py
"""
path = os.path.join(HERE, "../../../bin/gen-pycodestyle-plugin")
name = os.path.basename(path)
loader = importlib.machinery.SourceFileLoader(name, path)
spec = importlib.util.spec_from_loader(loader.name, loader)
assert spec is not None
mod = importlib.util.module_from_spec(spec)
loader.exec_module(mod)
expected = "".join(f"{line}\n" for line in mod.lines())
with open(flake8.plugins.pycodestyle.__file__) as f:
contents = f.read()
assert contents == expected
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