我最终重写了 print_stats() 函数,首先从 pstats.py 复制它。它返回一个字符串,然后可以将其写入文件。我没有测试每个 if-else 循环,只是它在我需要它的示例中有效。我把原来的行注释掉了。尽管该函数不再使用真正的“自我”,但我已将变量名称保持不变。
stats = hotshot.stats.load("stones.prof")
stats.strip_dirs()
stats.sort_stats('time', 'calls')
readable_str = xprint_stats(stats, 20)
import pstats
def xprint_stats(self, *amount):
x = ""
for filename in self.files:
x += " " + filename
#if self.files: print >> self.stream
# ?
indent = ' ' * 8
for func in self.top_level:
#print >> self.stream, indent, xfunc_get_function_name(func)
x += indent + pstats.func_get_function_name(func)
#print >> self.stream, indent, self.total_calls, "function calls",
x += indent + str(self.total_calls) + " function calls" + " "
if self.total_calls != self.prim_calls:
#print >> self.stream, "(%d primitive calls)" % self.prim_calls,
x += "(%d primitive calls)" % self.prim_calls + " "
#print >> self.stream, "in %.3f seconds" % self.total_tt
#print >> self.stream
x += "in %.3f seconds" % self.total_tt + "\n"
#width, list = stats.get_print_list(amount)
msg, width, list = xget_print_list(stats, amount)
x += msg
if list:
#self.print_title()
x += "\n" + ' ncalls tottime percall cumtime percall filename:lineno(function)'
x += "\n"
for func in list:
#self.print_line(func)
x += xprint_line(self, func) + "\n"
# print >> self.stream
# print >> self.stream
#return self
return x
def xprint_line(self, func):
x = ""
cc, nc, tt, ct, callers = self.stats[func]
c = str(nc)
if nc != cc:
c = c + '/' + str(cc)
# print >> self.stream, c.rjust(9),
# print >> self.stream, f8(tt),
x += c.rjust(9) + " "
x += pstats.f8(tt) + " "
if nc == 0:
#print >> self.stream, ' '*8,
x += ' '*8
else:
#print >> self.stream, f8(float(tt)/nc),
x += pstats.f8(float(tt)/nc) + " "
#print >> self.stream, f8(ct),
x += pstats.f8(ct) + " "
if cc == 0:
#print >> self.stream, ' '*8,
x += ' '*8
else:
#print >> self.stream, f8(float(ct)/cc),
x += pstats.f8(float(ct)/cc) + " "
#print >> self.stream, func_std_string(func)
x += pstats.func_std_string(func) + " "
return x
def xget_print_list(self, sel_list):
width = self.max_name_len
if self.fcn_list:
stat_list = self.fcn_list[:]
msg = " Ordered by: " + self.sort_type + '\n'
else:
stat_list = self.stats.keys()
msg = " Random listing order was used\n"
for selection in sel_list:
stat_list, msg = self.eval_print_amount(selection, stat_list, msg)
count = len(stat_list)
if not stat_list:
return 0, stat_list
#print >> self.stream, msg
if count < len(self.stats):
width = 0
for func in stat_list:
if len(pstats.func_std_string(func)) > width:
width = len(pstats.func_std_string(func))
#return width+2, stat_list
return msg, width+2, stat_list