python.py 文件源码

def filter_traceback(entry):
    """Return True if a TracebackEntry instance should be removed from tracebacks:
    * dynamically generated code (no code to show up for it);
    * internal traceback from pytest or its internal libraries, py and pluggy.
    """
    # entry.path might sometimes return a str object when the entry
    # points to dynamically generated code
    # see https://bitbucket.org/pytest-dev/py/issues/71
    raw_filename = entry.frame.code.raw.co_filename
    is_generated = '<' in raw_filename and '>' in raw_filename
    if is_generated:
        return False
    # entry.path might point to an inexisting file, in which case it will
    # alsso return a str object. see #1133
    p = py.path.local(entry.path)
    return p != cutdir1 and not p.relto(cutdir2) and not p.relto(cutdir3)