qemu/tests/qemu-iotests/297
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   1#!/usr/bin/env python3
   2# group: meta
   3#
   4# Copyright (C) 2020 Red Hat, Inc.
   5#
   6# This program is free software; you can redistribute it and/or modify
   7# it under the terms of the GNU General Public License as published by
   8# the Free Software Foundation; either version 2 of the License, or
   9# (at your option) any later version.
  10#
  11# This program is distributed in the hope that it will be useful,
  12# but WITHOUT ANY WARRANTY; without even the implied warranty of
  13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14# GNU General Public License for more details.
  15#
  16# You should have received a copy of the GNU General Public License
  17# along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19import os
  20import subprocess
  21import sys
  22from typing import List
  23
  24import iotests
  25import linters
  26
  27
  28# Looking for something?
  29#
  30#  List of files to exclude from linting: linters.py
  31#  mypy configuration:                    mypy.ini
  32#  pylint configuration:                  pylintrc
  33
  34
  35def check_linter(linter: str) -> bool:
  36    try:
  37        linters.run_linter(linter, ['--version'], suppress_output=True)
  38    except subprocess.CalledProcessError:
  39        iotests.case_notrun(f"'{linter}' not found")
  40        return False
  41    return True
  42
  43
  44def test_pylint(files: List[str]) -> None:
  45    print('=== pylint ===')
  46    sys.stdout.flush()
  47
  48    if not check_linter('pylint'):
  49        return
  50
  51    linters.run_linter('pylint', files)
  52
  53
  54def test_mypy(files: List[str]) -> None:
  55    print('=== mypy ===')
  56    sys.stdout.flush()
  57
  58    if not check_linter('mypy'):
  59        return
  60
  61    env = os.environ.copy()
  62    env['MYPYPATH'] = env['PYTHONPATH']
  63
  64    linters.run_linter('mypy', files, env=env, suppress_output=True)
  65
  66
  67def main() -> None:
  68    files = linters.get_test_files()
  69
  70    iotests.logger.debug('Files to be checked:')
  71    iotests.logger.debug(', '.join(sorted(files)))
  72
  73    for test in (test_pylint, test_mypy):
  74        try:
  75            test(files)
  76        except subprocess.CalledProcessError as exc:
  77            # Linter failure will be caught by diffing the IO.
  78            if exc.output:
  79                print(exc.output)
  80
  81
  82iotests.script_main(main)
  83