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#!/usr/bin/env python3
#
# Copyright (c) 2022 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""
Check for specified mypy warnings in python files.
"""
import os
from pathlib import Path
import subprocess
from importlib.metadata import metadata, PackageNotFoundError
# Customize mypy cache dir via environment variable
cache_dir = Path(__file__).parent.parent / ".mypy_cache"
os.environ["MYPY_CACHE_DIR"] = str(cache_dir)
DEPS = ['lief', 'mypy', 'pyzmq']
# Only .py files in test/functional and contrib/devtools have type annotations
# enforced.
MYPY_FILES_ARGS = ['git', 'ls-files', 'test/functional/*.py', 'contrib/devtools/*.py']
def check_dependencies():
for dep in DEPS:
try:
metadata(dep)
except PackageNotFoundError:
print(f"Skipping Python linting since {dep} is not installed.")
exit(0)
def main():
check_dependencies()
mypy_files = subprocess.check_output(MYPY_FILES_ARGS).decode("utf-8").splitlines()
mypy_args = ['mypy', '--show-error-codes'] + mypy_files
try:
subprocess.check_call(mypy_args)
except subprocess.CalledProcessError:
exit(1)
if __name__ == "__main__":
main()
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