Mercurial > cpython-lru_cache-weakref

annotate Lib/pstats.py @ 4566:6403c94de50d legacy-trunk

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Added safeguard against failure in __del__.
author Guido van Rossum <guido@python.org>
date Wed, 27 Nov 1996 19:39:58 +0000
parents 27a0769db921
children 7ea465830ef4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #
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2 # Class for printing reports on profiled python code. rev 1.0 4/1/94
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3 #
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4 # Based on prior profile module by Sjoerd Mullender...
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5 # which was hacked somewhat by: Guido van Rossum
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6 #
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7 # see jprofile.doc and jprofile.py for more info.
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8
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9 # Copyright 1994, by InfoSeek Corporation, all rights reserved.
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10 # Written by James Roskind
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11 #
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12 # Permission to use, copy, modify, and distribute this Python software
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13 # and its associated documentation for any purpose (subject to the
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14 # restriction in the following sentence) without fee is hereby granted,
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15 # provided that the above copyright notice appears in all copies, and
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16 # that both that copyright notice and this permission notice appear in
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17 # supporting documentation, and that the name of InfoSeek not be used in
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18 # advertising or publicity pertaining to distribution of the software
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19 # without specific, written prior permission. This permission is
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20 # explicitly restricted to the copying and modification of the software
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21 # to remain in Python, compiled Python, or other languages (such as C)
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22 # wherein the modified or derived code is exclusively imported into a
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23 # Python module.
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24 #
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25 # INFOSEEK CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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26 # SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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27 # FITNESS. IN NO EVENT SHALL INFOSEEK CORPORATION BE LIABLE FOR ANY
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28 # SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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29 # RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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30 # CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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31 # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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32
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33
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34 import os
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35 import time
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36 import string
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37 import marshal
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38 import regex
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39
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40 #**************************************************************************
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41 # Class Stats documentation
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42 #**************************************************************************
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43 # This class is used for creating reports from data generated by the
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44 # Profile class. It is a "friend" of that class, and imports data either
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45 # by direct access to members of Profile class, or by reading in a dictionary
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46 # that was emitted (via marshal) from the Profile class.
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47 #
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48 # The big change from the previous Profiler (in terms of raw functionality)
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49 # is that an "add()" method has been provided to combine Stats from
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50 # several distinct profile runs. Both the constructor and the add()
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51 # method now take arbitrarilly many file names as arguments.
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52 #
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53 # All the print methods now take an argument that indicats how many lines
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54 # to print. If the arg is a floating point number between 0 and 1.0, then
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55 # it is taken as a decimal percentage of the availabel lines to be printed
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56 # (e.g., .1 means print 10% of all available lines). If it is an integer,
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57 # it is taken to mean the number of lines of data that you wish to have
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58 # printed.
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59 #
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60 # The sort_stats() method now processes some additionaly options (i.e., in
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61 # addition to the old -1, 0, 1, or 2). It takes an arbitrary number of quoted
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62 # strings to select the sort order. For example sort_stats('time', 'name')
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63 # sorts on the major key of "internal function time", and on the minor
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64 # key of 'the name of the function'. Look at the two tables in sort_stats()
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65 # and get_sort_arg_defs(self) for more examples.
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66 #
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67 # All methods now return "self", so you can string together commands like:
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68 # Stats('foo', 'goo').strip_dirs().sort_stats('calls').\
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69 # print_stats(5).print_callers(5)
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70 #
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71 #**************************************************************************
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72 import fpformat
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73
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74 class Stats:
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75 def __init__(self, *args):
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76 if not len(args):
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77 arg = None
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78 else:
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79 arg = args[0]
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80 args = args[1:]
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81 self.init(arg)
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82 apply(self.add, args).ignore()
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83
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84 def init(self, arg):
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85 self.all_callees = None # calc only if needed
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86 self.files = []
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87 self.fcn_list = None
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88 self.total_tt = 0
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89 self.total_calls = 0
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90 self.prim_calls = 0
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91 self.max_name_len = 0
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92 self.top_level = {}
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93 self.stats = {}
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94 self.sort_arg_dict = {}
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95 self.load_stats(arg)
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96 trouble = 1
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97 try:
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98 self.get_top_level_stats()
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99 trouble = 0
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100 finally:
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101 if trouble:
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102 print "Invalid timing data",
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103 if self.files: print self.files[-1],
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104 print
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105
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106
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107 def load_stats(self, arg):
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108 if not arg: self.stats = {}
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109 elif type(arg) == type(""):
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110 f = open(arg, 'r')
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111 self.stats = marshal.load(f)
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112 f.close()
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113 try:
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114 file_stats = os.stat(arg)
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115 arg = time.ctime(file_stats[8]) + " " + arg
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116 except: # in case this is not unix
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117 pass
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118 self.files = [ arg ]
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119 elif hasattr(arg, 'create_stats'):
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120 arg.create_stats()
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121 self.stats = arg.stats
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122 arg.stats = {}
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123 if not self.stats:
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124 raise TypeError, "Cannot create or construct a " \
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125 + `self.__class__` \
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126 + " object from '" + `arg` + "'"
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127 return
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128
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129 def get_top_level_stats(self):
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130 for func in self.stats.keys():
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131 cc, nc, tt, ct, callers = self.stats[func]
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132 self.total_calls = self.total_calls + nc
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133 self.prim_calls = self.prim_calls + cc
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134 self.total_tt = self.total_tt + tt
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135 if callers.has_key(("jprofile", 0, "profiler")):
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136 self.top_level[func] = None
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137 if len(func_std_string(func)) > self.max_name_len:
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138 self.max_name_len = len(func_std_string(func))
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139
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140 def add(self, *arg_list):
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141 if not arg_list: return self
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142 if len(arg_list) > 1: apply(self.add, arg_list[1:])
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143 other = arg_list[0]
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144 if type(self) != type(other) or \
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145 self.__class__ != other.__class__:
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146 other = Stats(other)
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147 self.files = self.files + other.files
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148 self.total_calls = self.total_calls + other.total_calls
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149 self.prim_calls = self.prim_calls + other.prim_calls
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150 self.total_tt = self.total_tt + other.total_tt
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151 for func in other.top_level.keys():
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152 self.top_level[func] = None
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153
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154 if self.max_name_len < other.max_name_len:
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155 self.max_name_len = other.max_name_len
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156
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157 self.fcn_list = None
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158
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159 for func in other.stats.keys():
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diff changeset
160 if self.stats.has_key(func):
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161 old_func_stat = self.stats[func]
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162 else:
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163 old_func_stat = (0, 0, 0, 0, {},)
5290428bad37 Companion module for new profile.py
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164 self.stats[func] = add_func_stats(old_func_stat, \
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165 other.stats[func])
5290428bad37 Companion module for new profile.py
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166 return self
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167
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168
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169
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170 # list the tuple indicies and directions for sorting,
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171 # along with some printable description
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172 sort_arg_dict_default = {\
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173 "calls" : (((1,-1), ), "call count"),\
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174 "cumulative": (((3,-1), ), "cumulative time"),\
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175 "file" : (((4, 1), ), "file name"),\
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176 "line" : (((5, 1), ), "line number"),\
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177 "module" : (((4, 1), ), "file name"),\
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178 "name" : (((6, 1), ), "function name"),\
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179 "nfl" : (((6, 1),(4, 1),(5, 1),), "name/file/line"), \
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180 "pcalls" : (((0,-1), ), "call count"),\
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181 "stdname" : (((7, 1), ), "standard name"),\
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182 "time" : (((2,-1), ), "internal time"),\
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183 }
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184
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185 # Expand all abbreviations that are unique
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186 def get_sort_arg_defs(self):
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187 if not self.sort_arg_dict:
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188 self.sort_arg_dict = dict = {}
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189 std_list = dict.keys()
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190 bad_list = {}
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191 for word in self.sort_arg_dict_default.keys():
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192 fragment = word
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193 while fragment:
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194 if not fragment:
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195 break
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196 if dict.has_key(fragment):
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197 bad_list[fragment] = 0
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198 break
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199 dict[fragment] = self. \
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200 sort_arg_dict_default[word]
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201 fragment = fragment[:-1]
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202 for word in bad_list.keys():
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203 del dict[word]
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204 return self.sort_arg_dict
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205
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206
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207 def sort_stats(self, *field):
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208 if not field:
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209 self.fcn_list = 0
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210 return self
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211 if len(field) == 1 and type(field[0]) == type(1):
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212 # Be compatible with old profiler
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213 field = [ {-1: "stdname", \
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214 0:"calls", \
5290428bad37 Companion module for new profile.py
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215 1:"time", \
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216 2: "cumulative" } [ field[0] ] ]
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217
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218 sort_arg_defs = self.get_sort_arg_defs()
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219 sort_tuple = ()
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220 self.sort_type = ""
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221 connector = ""
5290428bad37 Companion module for new profile.py
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222 for word in field:
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223 sort_tuple = sort_tuple + sort_arg_defs[word][0]
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224 self.sort_type = self.sort_type + connector + \
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225 sort_arg_defs[word][1]
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226 connector = ", "
5290428bad37 Companion module for new profile.py
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227
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228 stats_list = []
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229 for func in self.stats.keys():
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230 cc, nc, tt, ct, callers = self.stats[func]
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231 stats_list.append((cc, nc, tt, ct) + func_split(func) \
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232 + (func_std_string(func), func,) )
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233
5290428bad37 Companion module for new profile.py
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234 stats_list.sort(TupleComp(sort_tuple).compare)
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235
5290428bad37 Companion module for new profile.py
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236 self.fcn_list = fcn_list = []
5290428bad37 Companion module for new profile.py
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237 for tuple in stats_list:
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238 fcn_list.append(tuple[-1])
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239 return self
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240
5290428bad37 Companion module for new profile.py
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241
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242 def reverse_order(self):
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243 if self.fcn_list: self.fcn_list.reverse()
5290428bad37 Companion module for new profile.py
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244 return self
5290428bad37 Companion module for new profile.py
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245
5290428bad37 Companion module for new profile.py
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246 def strip_dirs(self):
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247 oldstats = self.stats
5290428bad37 Companion module for new profile.py
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248 self.stats = newstats = {}
5290428bad37 Companion module for new profile.py
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249 max_name_len = 0
5290428bad37 Companion module for new profile.py
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250 for func in oldstats.keys():
5290428bad37 Companion module for new profile.py
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251 cc, nc, tt, ct, callers = oldstats[func]
5290428bad37 Companion module for new profile.py
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252 newfunc = func_strip_path(func)
5290428bad37 Companion module for new profile.py
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253 if len(func_std_string(newfunc)) > max_name_len:
5290428bad37 Companion module for new profile.py
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254 max_name_len = len(func_std_string(newfunc))
5290428bad37 Companion module for new profile.py
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diff changeset
255 newcallers = {}
5290428bad37 Companion module for new profile.py
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diff changeset
256 for func2 in callers.keys():
5290428bad37 Companion module for new profile.py
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diff changeset
257 newcallers[func_strip_path(func2)] = \
5290428bad37 Companion module for new profile.py
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diff changeset
258 callers[func2]
5290428bad37 Companion module for new profile.py
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parents:
diff changeset
259
5290428bad37 Companion module for new profile.py
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diff changeset
260 if newstats.has_key(newfunc):
5290428bad37 Companion module for new profile.py
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261 newstats[newfunc] = add_func_stats( \
5290428bad37 Companion module for new profile.py
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diff changeset
262 newstats[newfunc],\
5290428bad37 Companion module for new profile.py
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diff changeset
263 (cc, nc, tt, ct, newcallers))
5290428bad37 Companion module for new profile.py
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diff changeset
264 else:
5290428bad37 Companion module for new profile.py
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265 newstats[newfunc] = (cc, nc, tt, ct, newcallers)
5290428bad37 Companion module for new profile.py
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diff changeset
266 old_top = self.top_level
5290428bad37 Companion module for new profile.py
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diff changeset
267 self.top_level = new_top = {}
5290428bad37 Companion module for new profile.py
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diff changeset
268 for func in old_top.keys():
5290428bad37 Companion module for new profile.py
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diff changeset
269 new_top[func_strip_path(func)] = None
5290428bad37 Companion module for new profile.py
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diff changeset
270
5290428bad37 Companion module for new profile.py
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diff changeset
271 self.max_name_len = max_name_len
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272
5290428bad37 Companion module for new profile.py
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273 self.fcn_list = None
5290428bad37 Companion module for new profile.py
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diff changeset
274 self.all_callees = None
5290428bad37 Companion module for new profile.py
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diff changeset
275 return self
5290428bad37 Companion module for new profile.py
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diff changeset
276
5290428bad37 Companion module for new profile.py
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277
5290428bad37 Companion module for new profile.py
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diff changeset
278
5290428bad37 Companion module for new profile.py
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diff changeset
279 def calc_callees(self):
5290428bad37 Companion module for new profile.py
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diff changeset
280 if self.all_callees: return
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
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diff changeset
281 self.all_callees = all_callees = {}
5290428bad37 Companion module for new profile.py
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diff changeset
282 for func in self.stats.keys():
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
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diff changeset
283 if not all_callees.has_key(func):
5290428bad37 Companion module for new profile.py
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diff changeset
284 all_callees[func] = {}
5290428bad37 Companion module for new profile.py
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diff changeset
285 cc, nc, tt, ct, callers = self.stats[func]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
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diff changeset
286 for func2 in callers.keys():
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
287 if not all_callees.has_key(func2):
5290428bad37 Companion module for new profile.py
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diff changeset
288 all_callees[func2] = {}
5290428bad37 Companion module for new profile.py
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diff changeset
289 all_callees[func2][func] = callers[func2]
5290428bad37 Companion module for new profile.py
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diff changeset
290 return
5290428bad37 Companion module for new profile.py
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291
5290428bad37 Companion module for new profile.py
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292 #******************************************************************
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293 # The following functions support actual printing of reports
5290428bad37 Companion module for new profile.py
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294 #******************************************************************
5290428bad37 Companion module for new profile.py
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295
5290428bad37 Companion module for new profile.py
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296 # Optional "amount" is either a line count, or a percentage of lines.
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297
5290428bad37 Companion module for new profile.py
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298 def eval_print_amount(self, sel, list, msg):
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diff changeset
299 new_list = list
5290428bad37 Companion module for new profile.py
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diff changeset
300 if type(sel) == type(""):
5290428bad37 Companion module for new profile.py
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diff changeset
301 new_list = []
5290428bad37 Companion module for new profile.py
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diff changeset
302 for func in list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
303 if 0<=regex.search(sel, func_std_string(func)):
5290428bad37 Companion module for new profile.py
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diff changeset
304 new_list.append(func)
5290428bad37 Companion module for new profile.py
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diff changeset
305 else:
5290428bad37 Companion module for new profile.py
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diff changeset
306 count = len(list)
5290428bad37 Companion module for new profile.py
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parents:
diff changeset
307 if type(sel) == type(1.0) and 0.0 <= sel < 1.0:
5290428bad37 Companion module for new profile.py
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diff changeset
308 count = int (count * sel + .5)
5290428bad37 Companion module for new profile.py
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parents:
diff changeset
309 new_list = list[:count]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
310 elif type(sel) == type(1) and 0 <= sel < count:
5290428bad37 Companion module for new profile.py
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diff changeset
311 count = sel
5290428bad37 Companion module for new profile.py
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diff changeset
312 new_list = list[:count]
5290428bad37 Companion module for new profile.py
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diff changeset
313 if len(list) != len(new_list):
5290428bad37 Companion module for new profile.py
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diff changeset
314 msg = msg + " List reduced from " + `len(list)` \
5290428bad37 Companion module for new profile.py
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diff changeset
315 + " to " + `len(new_list)` + \
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
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diff changeset
316 " due to restriction <" + `sel` + ">\n"
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
317
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
318 return new_list, msg
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
319
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
320
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
321
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
322 def get_print_list(self, sel_list):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
323 width = self.max_name_len
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
324 if self.fcn_list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
325 list = self.fcn_list[:]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
326 msg = " Ordered by: " + self.sort_type + '\n'
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
327 else:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
328 list = self.stats.keys()
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
329 msg = " Random listing order was used\n"
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
330
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
331 for selection in sel_list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
332 list,msg = self.eval_print_amount(selection, list, msg)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
333
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
334 count = len(list)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
335
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
336 if not list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
337 return 0, list
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
338 print msg
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
339 if count < len(self.stats):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
340 width = 0
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
341 for func in list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
342 if len(func_std_string(func)) > width:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
343 width = len(func_std_string(func))
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
344 return width+2, list
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
345
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
346 def print_stats(self, *amount):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
347 for filename in self.files:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
348 print filename
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
349 if self.files: print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
350 indent = " "
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
351 for func in self.top_level.keys():
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
352 print indent, func_get_function_name(func)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
353
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
354 print indent, self.total_calls, "function calls",
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
355 if self.total_calls != self.prim_calls:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
356 print "(" + `self.prim_calls`, "primitive calls)",
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
357 print "in", fpformat.fix(self.total_tt, 3), "CPU seconds"
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
358 print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
359 width, list = self.get_print_list(amount)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
360 if list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
361 self.print_title()
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 for func in list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
363 self.print_line(func)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
364 print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
366 return self
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
367
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
368
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 def print_callees(self, *amount):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
370 width, list = self.get_print_list(amount)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
371 if list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
372 self.calc_callees()
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
373
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 self.print_call_heading(width, "called...")
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 for func in list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
376 if self.all_callees.has_key(func):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
377 self.print_call_line(width, \
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 func, self.all_callees[func])
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 else:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
380 self.print_call_line(width, func, {})
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
383 return self
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
384
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 def print_callers(self, *amount):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 width, list = self.get_print_list(amount)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 if list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
388 self.print_call_heading(width, "was called by...")
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
389 for func in list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
390 cc, nc, tt, ct, callers = self.stats[func]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
391 self.print_call_line(width, func, callers)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
392 print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
393 print
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
394 return self
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
395
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
396 def print_call_heading(self, name_size, column_title):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
397 print string.ljust("Function ", name_size) + column_title
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
398
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
399
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
400 def print_call_line(self, name_size, source, call_dict):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
401 print string.ljust(func_std_string(source), name_size),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
402 if not call_dict:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
403 print "--"
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
404 return
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
405 clist = call_dict.keys()
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
406 clist.sort()
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
407 name_size = name_size + 1
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
408 indent = ""
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
409 for func in clist:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
410 name = func_std_string(func)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
411 print indent*name_size + name + '(' \
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
412 + `call_dict[func]`+')', \
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
413 f8(self.stats[func][3])
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
414 indent = " "
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
415
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
416
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
417
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
418 def print_title(self):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
419 print string.rjust('ncalls', 9),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
420 print string.rjust('tottime', 8),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
421 print string.rjust('percall', 8),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
422 print string.rjust('cumtime', 8),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
423 print string.rjust('percall', 8),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
424 print 'filename:lineno(function)'
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
425
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
426
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
427 def print_line(self, func): # hack : should print percentages
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
428 cc, nc, tt, ct, callers = self.stats[func]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
429 c = `nc`
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
430 if nc != cc:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
431 c = c + '/' + `cc`
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
432 print string.rjust(c, 9),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
433 print f8(tt),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
434 if nc == 0:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
435 print ' '*8,
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
436 else:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
437 print f8(tt/nc),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
438 print f8(ct),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
439 if cc == 0:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
440 print ' '*8,
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
441 else:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
442 print f8(ct/cc),
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
443 print func_std_string(func)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
444
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
445
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
446 def ignore(self):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
447 pass # has no return value, so use at end of line :-)
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
448
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
449
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
450 #**************************************************************************
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
451 # class TupleComp Documentation
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
452 #**************************************************************************
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
453 # This class provides a generic function for comparing any two tuples.
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
454 # Each instance records a list of tuple-indicies (from most significant
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
455 # to least significant), and sort direction (ascending or decending) for
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
456 # each tuple-index. The compare functions can then be used as the function
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
457 # argument to the system sort() function when a list of tuples need to be
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
458 # sorted in the instances order.
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
459 #**************************************************************************
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
460 class TupleComp:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
461 def __init__(self, comp_select_list):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
462 self.comp_select_list = comp_select_list
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
463
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
464 def compare (self, left, right):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
465 for index, direction in self.comp_select_list:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
466 l = left[index]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
467 r = right[index]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
468 if l < r:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
469 return -direction
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
470 if l > r:
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
471 return direction
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
472 return 0
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
473
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
474
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
475
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
476 #**************************************************************************
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
477
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
478 def func_strip_path(func_name):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
479 file, line, name = func_name
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
480 return os.path.basename(file), line, name
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
481
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
482 def func_get_function_name(func):
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
483 return func[2]
5290428bad37 Companion module for new profile.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
484
5290428bad37 Companion module for new profile.py
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485 def func_std_string(func_name): # match what old profile produced
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486 file, line, name = func_name
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487 return file + ":" + `line` + "(" + name + ")"
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488
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489 def func_split(func_name):
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490 return func_name
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491
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492 #**************************************************************************
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493 # The following functions combine statists for pairs functions.
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494 # The bulk of the processing involves correctly handling "call" lists,
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495 # such as callers and callees.
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496 #**************************************************************************
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497
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498 # Add together all the stats for two profile entries
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499 def add_func_stats(target, source):
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500 cc, nc, tt, ct, callers = source
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501 t_cc, t_nc, t_tt, t_ct, t_callers = target
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502 return (cc+t_cc, nc+t_nc, tt+t_tt, ct+t_ct, \
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503 add_callers(t_callers, callers))
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504
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505
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506 # Combine two caller lists in a single list.
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507 def add_callers(target, source):
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508 new_callers = {}
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509 for func in target.keys():
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510 new_callers[func] = target[func]
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511 for func in source.keys():
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512 if new_callers.has_key(func):
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513 new_callers[func] = source[func] + new_callers[func]
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514 else:
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515 new_callers[func] = source[func]
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516 return new_callers
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517
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518 # Sum the caller statistics to get total number of calls recieved
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519 def count_calls(callers):
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520 nc = 0
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521 for func in callers.keys():
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522 nc = nc + callers[func]
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523 return nc
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524
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525 #**************************************************************************
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526 # The following functions support printing of reports
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527 #**************************************************************************
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528
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529 def f8(x):
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530 return string.rjust(fpformat.fix(x, 3), 8)
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531
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532