setup.py 文件源码

def call(self, command):
        env = os.environ.copy()
        env['PYTHONPATH'] = ''.join(':' + x for x in sys.path)
        self.announce('Run command: {}'.format(command), level=2)
        try:
            subprocess.check_call(command.split(), env=env)
        except subprocess.CalledProcessError as error:
            self._returncode = 1
            message = 'Command failed with exit code {}'
            message = message.format(error.returncode)
            self.announce(message, level=2)