#!/usr/bin/python
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# -*- coding:utf-8 -*-
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# Copyright 2016 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Wrapper to run pylint with the right settings."""
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from __future__ import print_function
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import argparse
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import errno
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import os
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import sys
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DEFAULT_PYLINTRC_PATH = os.path.join(
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os.path.dirname(os.path.realpath(__file__)), 'pylintrc')
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def get_parser():
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"""Return a command line parser."""
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--init-hook', help='Init hook commands to run.')
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parser.add_argument('--executable-path',
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help='The path of the pylint executable.',
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default='pylint')
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parser.add_argument('--no-rcfile',
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help='Specify to use the executable\'s default '
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'configuration.',
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action='store_true')
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parser.add_argument('files', nargs='+')
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return parser
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def main(argv):
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"""The main entry."""
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parser = get_parser()
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opts, unknown = parser.parse_known_args(argv)
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cmd = [opts.executable_path]
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if not opts.no_rcfile:
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# We assume pylint is running in the top directory of the project,
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# so load the pylintrc file from there if it's available.
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pylintrc = os.path.abspath('pylintrc')
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if not os.path.exists(pylintrc):
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pylintrc = DEFAULT_PYLINTRC_PATH
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# If we pass a non-existent rcfile to pylint, it'll happily ignore
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# it.
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assert os.path.exists(pylintrc), 'Could not find %s' % pylintrc
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cmd += ['--rcfile', pylintrc]
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cmd += unknown + opts.files
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if opts.init_hook:
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cmd += ['--init-hook', opts.init_hook]
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try:
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os.execvp(cmd[0], cmd)
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except OSError as e:
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if e.errno == errno.ENOENT:
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print('%s: unable to run `%s`: %s' % (__file__, cmd[0], e),
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file=sys.stderr)
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print('%s: Try installing pylint: sudo apt-get install %s' %
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(__file__, os.path.basename(cmd[0])), file=sys.stderr)
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return 1
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else:
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raise
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1:]))
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