pstats.py 文件源码

def sort_stats(self, *field):
        if not field:
            self.fcn_list = 0
            return self
        if len(field) == 1 and isinstance(field[0], (int, long)):
            # Be compatible with old profiler
            field = [ {-1: "stdname",
                       0:  "calls",
                       1:  "time",
                       2:  "cumulative"}[field[0]] ]

        sort_arg_defs = self.get_sort_arg_defs()
        sort_tuple = ()
        self.sort_type = ""
        connector = ""
        for word in field:
            sort_tuple = sort_tuple + sort_arg_defs[word][0]
            self.sort_type += connector + sort_arg_defs[word][1]
            connector = ", "

        stats_list = []
        for func, (cc, nc, tt, ct, callers) in self.stats.iteritems():
            stats_list.append((cc, nc, tt, ct) + func +
                              (func_std_string(func), func))

        stats_list.sort(key=cmp_to_key(TupleComp(sort_tuple).compare))

        self.fcn_list = fcn_list = []
        for tuple in stats_list:
            fcn_list.append(tuple[-1])
        return self