common.py 文件源码

def __get_open_ref():
    """
    :rtype str
    """
    # pylint: disable=import-error,redefined-builtin,unused-import,unused-variable
    global __OPEN_REF

    if __OPEN_REF:
        return __OPEN_REF

    try:
        from builtins import open
        __OPEN_REF = 'builtins.open'
    except ImportError:
        from __builtin__ import open
        __OPEN_REF = '__builtin__.open'

    return __OPEN_REF