mirror of
https://github.com/klzgrad/naiveproxy.git
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83 lines
2.0 KiB
Python
83 lines
2.0 KiB
Python
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#!/usr/bin/env python
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# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Wrapper script to run java command as action with gn."""
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import os
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import subprocess
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import sys
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EXIT_SUCCESS = 0
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EXIT_FAILURE = 1
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def IsExecutable(path):
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"""Returns whether file at |path| exists and is executable.
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Args:
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path: absolute or relative path to test.
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Returns:
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True if the file at |path| exists, False otherwise.
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"""
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return os.path.isfile(path) and os.access(path, os.X_OK)
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def FindCommand(command):
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"""Looks up for |command| in PATH.
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Args:
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command: name of the command to lookup, if command is a relative or
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absolute path (i.e. contains some path separator) then only that
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path will be tested.
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Returns:
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Full path to command or None if the command was not found.
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On Windows, this respects the PATHEXT environment variable when the
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command name does not have an extension.
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"""
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fpath, _ = os.path.split(command)
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if fpath:
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if IsExecutable(command):
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return command
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if sys.platform == 'win32':
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# On Windows, if the command does not have an extension, cmd.exe will
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# try all extensions from PATHEXT when resolving the full path.
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command, ext = os.path.splitext(command)
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if not ext:
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exts = os.environ['PATHEXT'].split(os.path.pathsep)
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else:
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exts = [ext]
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else:
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exts = ['']
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for path in os.environ['PATH'].split(os.path.pathsep):
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for ext in exts:
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path = os.path.join(path, command) + ext
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if IsExecutable(path):
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return path
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return None
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def main():
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java_path = FindCommand('java')
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if not java_path:
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sys.stderr.write('java: command not found\n')
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sys.exit(EXIT_FAILURE)
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args = sys.argv[1:]
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if len(args) < 2 or args[0] != '-jar':
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sys.stderr.write('usage: %s -jar JARPATH [java_args]...\n' % sys.argv[0])
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sys.exit(EXIT_FAILURE)
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return subprocess.check_call([java_path] + args)
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if __name__ == '__main__':
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sys.exit(main())
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