def RunCustomCommand()

in 04_streaming/transform/setup.py [0:0]

• 10 lines of code
• 3 McCabe index (conditional complexity)

    def RunCustomCommand(self, command_list):
        print('Running command: %s' % command_list)
        p = subprocess.Popen(
            command_list,
            stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
        # Can use communicate(input='y\n'.encode()) if the command run requires
        # some confirmation.
        stdout_data, _ = p.communicate()
        print('Command output: %s' % stdout_data)
        if p.returncode != 0:
            raise RuntimeError(
                'Command %s failed: exit code: %s' % (command_list, p.returncode))