config.py 文件源码

def create_code_info(frame):
    """Return code information about a frame.

    Returns a :class:`CodeInfo` instance.
    """
    frameinfo = inspect.getframeinfo(frame)

    try:
        sourceline = frameinfo.code_context[0].strip()
    except:
        # if no source file exists, e.g., due to eval
        sourceline = frameinfo.code_context

    return CodeInfo(
        path=frameinfo.filename,
        lineno=frameinfo.lineno,
        sourceline=sourceline)