ec2rl.py 文件源码

def main():
    """
    Create the ec2rl instance and run it. Provide the user with messages relevant to their subcommand, if applicable.

    Returns:
        (int): 0 if no errors detected,
        201 if Python < 2.7,
    """

    if sys.hexversion < 0x2070000:
        print("ec2rl requires Python 2.7+, but running version is {0}.".format(
            platform.python_version()))
        return 201

    import ec2rlcore.main
    ec2rl = ec2rlcore.main.Main()
    ec2rl()

    return 0