pstats.py 文件源码

def load_stats(self, arg):
        if not arg:  self.stats = {}
        elif isinstance(arg, basestring):
            f = open(arg, 'rb')
            self.stats = marshal.load(f)
            f.close()
            try:
                file_stats = os.stat(arg)
                arg = time.ctime(file_stats.st_mtime) + "    " + arg
            except:  # in case this is not unix
                pass
            self.files = [ arg ]
        elif hasattr(arg, 'create_stats'):
            arg.create_stats()
            self.stats = arg.stats
            arg.stats = {}
        if not self.stats:
            raise TypeError,  "Cannot create or construct a %r object from '%r''" % (
                              self.__class__, arg)
        return