blob: 51e80792b0c19552a68a1112ab7dc54b8a7dc431 [file] [log] [blame]
#! /usr/bin/env sh
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
# Purpose: check Python files for potential programming errors or maintenance
# hurdles. Run pylint to detect some potential mistakes and enforce PEP8
# coding standards. Run mypy to perform static type checking.
# We'll keep going on errors and report the status at the end.
ret=0
if type python3 >/dev/null 2>/dev/null; then
PYTHON=python3
else
PYTHON=python
fi
check_version () {
$PYTHON - "$2" <<EOF
import packaging.version
import sys
import $1 as package
actual = package.__version__
wanted = sys.argv[1]
if packaging.version.parse(actual) < packaging.version.parse(wanted):
sys.stderr.write("$1: version %s is too old (want %s)\n" % (actual, wanted))
exit(1)
EOF
}
can_pylint () {
# Pylint 1.5.2 from Ubuntu 16.04 is too old:
# E: 34, 0: Unable to import 'mbedtls_dev' (import-error)
# Pylint 1.8.3 from Ubuntu 18.04 passed on the first commit containing this line.
check_version pylint 1.8.3
}
can_mypy () {
# mypy 0.770 is too old:
# tests/scripts/test_psa_constant_names.py:34: error: Cannot find implementation or library stub for module named 'mbedtls_dev'
# mypy 0.780 from pip passed on the first commit containing this line.
check_version mypy.version 0.780
}
# With just a --can-xxx option, check whether the tool for xxx is available
# with an acceptable version, and exit without running any checks. The exit
# status is true if the tool is available and acceptable and false otherwise.
if [ "$1" = "--can-pylint" ]; then
can_pylint
exit
elif [ "$1" = "--can-mypy" ]; then
can_mypy
exit
fi
echo 'Running pylint ...'
$PYTHON -m pylint scripts/mbedtls_dev/*.py scripts/*.py tests/scripts/*.py || {
echo >&2 "pylint reported errors"
ret=1
}
echo
echo 'Running mypy ...'
$PYTHON -m mypy scripts/*.py tests/scripts/*.py ||
ret=1
exit $ret