Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_profile.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents b36cb4602e21
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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e7aca2a302cd Hopefully fix the profiler right. Add a test suite that checks that
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1 """Test suite for the profile module."""
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2
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3 import sys
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4 import pstats
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5 import unittest
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6 from StringIO import StringIO
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7 from test.test_support import run_unittest
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8
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9 import profile
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10 from test.profilee import testfunc, timer
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11
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12
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13 class ProfileTest(unittest.TestCase):
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14
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15 profilerclass = profile.Profile
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16 methodnames = ['print_stats', 'print_callers', 'print_callees']
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17 expected_output = {}
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18 expected_list_sort_output = ':0(sort)'
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19
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20 @classmethod
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21 def do_profiling(cls):
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22 results = []
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23 prof = cls.profilerclass(timer, 0.001)
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24 start_timer = timer()
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25 prof.runctx("testfunc()", globals(), locals())
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26 results.append(timer() - start_timer)
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27 for methodname in cls.methodnames:
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28 s = StringIO()
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29 stats = pstats.Stats(prof, stream=s)
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30 stats.strip_dirs().sort_stats("stdname")
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31 getattr(stats, methodname)()
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32 results.append(s.getvalue())
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33 return results
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34
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35 def test_cprofile(self):
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36 results = self.do_profiling()
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37 self.assertEqual(results[0], 1000)
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38 for i, method in enumerate(self.methodnames):
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39 self.assertEqual(results[i+1], self.expected_output[method],
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40 "Stats.%s output for %s doesn't fit expectation!" %
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41 (method, self.profilerclass.__name__))
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42
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43 def test_calling_conventions(self):
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44 # Issue #5330: profile and cProfile wouldn't report C functions called
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45 # with keyword arguments. We test all calling conventions.
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46 stmts = [
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47 "[].sort()",
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48 "[].sort(reverse=True)",
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49 "[].sort(*(None, None, True))",
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50 "[].sort(**dict(reverse=True))",
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51 ]
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52 for stmt in stmts:
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53 s = StringIO()
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54 prof = self.profilerclass(timer, 0.001)
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55 prof.runctx(stmt, globals(), locals())
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56 stats = pstats.Stats(prof, stream=s)
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57 stats.print_stats()
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58 res = s.getvalue()
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59 self.assertIn(self.expected_list_sort_output, res,
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60 "Profiling {0!r} didn't report list.sort:\n{1}".format(stmt, res))
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61
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62
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63 def regenerate_expected_output(filename, cls):
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64 filename = filename.rstrip('co')
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65 print 'Regenerating %s...' % filename
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66 results = cls.do_profiling()
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67
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68 newfile = []
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69 with open(filename, 'r') as f:
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70 for line in f:
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71 newfile.append(line)
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72 if line[:6] == '#--cut':
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73 break
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74
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75 with open(filename, 'w') as f:
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76 f.writelines(newfile)
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77 for i, method in enumerate(cls.methodnames):
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78 f.write('%s.expected_output[%r] = """\\\n%s"""\n' % (
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79 cls.__name__, method, results[i+1]))
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80 f.write('\nif __name__ == "__main__":\n main()\n')
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81
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82
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83 def test_main():
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84 run_unittest(ProfileTest)
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85
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86 def main():
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87 if '-r' not in sys.argv:
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88 test_main()
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89 else:
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90 regenerate_expected_output(__file__, ProfileTest)
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91
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92
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93 # Don't remove this comment. Everything below it is auto-generated.
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94 #--cut--------------------------------------------------------------------------
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95 ProfileTest.expected_output['print_stats'] = """\
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96 127 function calls (107 primitive calls) in 999.749 seconds
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97
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98 Ordered by: standard name
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99
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100 ncalls tottime percall cumtime percall filename:lineno(function)
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101 4 -0.004 -0.001 -0.004 -0.001 :0(append)
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102 4 -0.004 -0.001 -0.004 -0.001 :0(exc_info)
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103 12 -0.024 -0.002 11.964 0.997 :0(hasattr)
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104 8 -0.008 -0.001 -0.008 -0.001 :0(range)
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105 1 0.000 0.000 0.000 0.000 :0(setprofile)
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106 1 -0.002 -0.002 999.751 999.751 <string>:1(<module>)
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107 0 0.000 0.000 profile:0(profiler)
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108 1 -0.002 -0.002 999.749 999.749 profile:0(testfunc())
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109 28 27.972 0.999 27.972 0.999 profilee.py:110(__getattr__)
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110 1 269.996 269.996 999.753 999.753 profilee.py:25(testfunc)
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111 23/3 149.937 6.519 169.917 56.639 profilee.py:35(factorial)
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112 20 19.980 0.999 19.980 0.999 profilee.py:48(mul)
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113 2 39.986 19.993 599.814 299.907 profilee.py:55(helper)
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114 4 115.984 28.996 119.964 29.991 profilee.py:73(helper1)
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115 2 -0.006 -0.003 139.942 69.971 profilee.py:84(helper2_indirect)
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116 8 311.976 38.997 399.896 49.987 profilee.py:88(helper2)
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117 8 63.968 7.996 79.944 9.993 profilee.py:98(subhelper)
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118
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119
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120 """
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121 ProfileTest.expected_output['print_callers'] = """\
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122 Ordered by: standard name
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123
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124 Function was called by...
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125 :0(append) <- profilee.py:73(helper1)(4) 119.964
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126 :0(exc_info) <- profilee.py:73(helper1)(4) 119.964
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127 :0(hasattr) <- profilee.py:73(helper1)(4) 119.964
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128 profilee.py:88(helper2)(8) 399.896
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129 :0(range) <- profilee.py:98(subhelper)(8) 79.944
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130 :0(setprofile) <- profile:0(testfunc())(1) 999.749
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131 <string>:1(<module>) <- profile:0(testfunc())(1) 999.749
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132 profile:0(profiler) <-
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133 profile:0(testfunc()) <- profile:0(profiler)(1) 0.000
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134 profilee.py:110(__getattr__) <- :0(hasattr)(12) 11.964
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135 profilee.py:98(subhelper)(16) 79.944
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136 profilee.py:25(testfunc) <- <string>:1(<module>)(1) 999.751
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137 profilee.py:35(factorial) <- profilee.py:25(testfunc)(1) 999.753
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138 profilee.py:35(factorial)(20) 169.917
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139 profilee.py:84(helper2_indirect)(2) 139.942
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140 profilee.py:48(mul) <- profilee.py:35(factorial)(20) 169.917
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141 profilee.py:55(helper) <- profilee.py:25(testfunc)(2) 999.753
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142 profilee.py:73(helper1) <- profilee.py:55(helper)(4) 599.814
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143 profilee.py:84(helper2_indirect) <- profilee.py:55(helper)(2) 599.814
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144 profilee.py:88(helper2) <- profilee.py:55(helper)(6) 599.814
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145 profilee.py:84(helper2_indirect)(2) 139.942
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146 profilee.py:98(subhelper) <- profilee.py:88(helper2)(8) 399.896
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147
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148
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149 """
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150 ProfileTest.expected_output['print_callees'] = """\
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151 Ordered by: standard name
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152
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153 Function called...
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154 :0(append) ->
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155 :0(exc_info) ->
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156 :0(hasattr) -> profilee.py:110(__getattr__)(12) 27.972
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157 :0(range) ->
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158 :0(setprofile) ->
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159 <string>:1(<module>) -> profilee.py:25(testfunc)(1) 999.753
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160 profile:0(profiler) -> profile:0(testfunc())(1) 999.749
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161 profile:0(testfunc()) -> :0(setprofile)(1) 0.000
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162 <string>:1(<module>)(1) 999.751
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163 profilee.py:110(__getattr__) ->
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164 profilee.py:25(testfunc) -> profilee.py:35(factorial)(1) 169.917
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165 profilee.py:55(helper)(2) 599.814
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166 profilee.py:35(factorial) -> profilee.py:35(factorial)(20) 169.917
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167 profilee.py:48(mul)(20) 19.980
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168 profilee.py:48(mul) ->
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169 profilee.py:55(helper) -> profilee.py:73(helper1)(4) 119.964
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170 profilee.py:84(helper2_indirect)(2) 139.942
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171 profilee.py:88(helper2)(6) 399.896
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172 profilee.py:73(helper1) -> :0(append)(4) -0.004
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173 :0(exc_info)(4) -0.004
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174 :0(hasattr)(4) 11.964
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175 profilee.py:84(helper2_indirect) -> profilee.py:35(factorial)(2) 169.917
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176 profilee.py:88(helper2)(2) 399.896
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177 profilee.py:88(helper2) -> :0(hasattr)(8) 11.964
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178 profilee.py:98(subhelper)(8) 79.944
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179 profilee.py:98(subhelper) -> :0(range)(8) -0.008
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180 profilee.py:110(__getattr__)(16) 27.972
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181
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182
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183 """
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184
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185 if __name__ == "__main__":
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186 main()