error.py 文件源码

def __BuildFromException(self, site, type , value, tb):
        if debugging:
            import linecache
            linecache.clearcache()
        try:
            if issubclass(type, SyntaxError):
                self._BuildFromSyntaxError(site, value, tb)
            else:
                self._BuildFromOther(site, type, value, tb)
        except: # Error extracting traceback info!!!
            traceback.print_exc()
            # re-raise.
            raise