Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_strftime.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents 7f13d6904e14
children d1398ff01a07 70e115c34f97
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1 """
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2 Unittest for time.strftime
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3 """
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4
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5 import calendar
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6 import sys
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7 import os
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8 import re
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9 from test import test_support
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10 import time
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11 import unittest
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12
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14 # helper functions
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15 def fixasctime(s):
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16 if s[8] == ' ':
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17 s = s[:8] + '0' + s[9:]
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18 return s
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19
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20 def escapestr(text, ampm):
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21 """
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22 Escape text to deal with possible locale values that have regex
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23 syntax while allowing regex syntax used for comparison.
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24 """
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25 new_text = re.escape(text)
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26 new_text = new_text.replace(re.escape(ampm), ampm)
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27 new_text = new_text.replace('\%', '%')
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28 new_text = new_text.replace('\:', ':')
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29 new_text = new_text.replace('\?', '?')
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30 return new_text
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31
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32 class StrftimeTest(unittest.TestCase):
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33
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34 def __init__(self, *k, **kw):
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35 unittest.TestCase.__init__(self, *k, **kw)
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36
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37 def _update_variables(self, now):
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38 # we must update the local variables on every cycle
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39 self.gmt = time.gmtime(now)
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40 now = time.localtime(now)
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41
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42 if now[3] < 12: self.ampm='(AM|am)'
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43 else: self.ampm='(PM|pm)'
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44
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45 self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0)))
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46
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47 try:
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48 if now[8]: self.tz = time.tzname[1]
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49 else: self.tz = time.tzname[0]
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50 except AttributeError:
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51 self.tz = ''
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52
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53 if now[3] > 12: self.clock12 = now[3] - 12
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54 elif now[3] > 0: self.clock12 = now[3]
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55 else: self.clock12 = 12
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56
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57 self.now = now
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58
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59 def setUp(self):
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60 try:
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61 import java
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62 java.util.Locale.setDefault(java.util.Locale.US)
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63 except ImportError:
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64 import locale
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65 locale.setlocale(locale.LC_TIME, 'C')
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66
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67 def test_strftime(self):
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68 now = time.time()
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69 self._update_variables(now)
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70 self.strftest1(now)
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71 self.strftest2(now)
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72
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73 if test_support.verbose:
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74 print "Strftime test, platform: %s, Python version: %s" % \
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75 (sys.platform, sys.version.split()[0])
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76
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77 for j in range(-5, 5):
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78 for i in range(25):
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79 arg = now + (i+j*100)*23*3603
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80 self._update_variables(arg)
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81 self.strftest1(arg)
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82 self.strftest2(arg)
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83
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84 def strftest1(self, now):
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85 if test_support.verbose:
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86 print "strftime test for", time.ctime(now)
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87 now = self.now
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88 # Make sure any characters that could be taken as regex syntax is
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89 # escaped in escapestr()
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90 expectations = (
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91 ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'),
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92 ('%A', calendar.day_name[now[6]], 'full weekday name'),
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93 ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'),
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94 ('%B', calendar.month_name[now[1]], 'full month name'),
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95 # %c see below
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96 ('%d', '%02d' % now[2], 'day of month as number (00-31)'),
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97 ('%H', '%02d' % now[3], 'hour (00-23)'),
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98 ('%I', '%02d' % self.clock12, 'hour (01-12)'),
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99 ('%j', '%03d' % now[7], 'julian day (001-366)'),
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100 ('%m', '%02d' % now[1], 'month as number (01-12)'),
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101 ('%M', '%02d' % now[4], 'minute, (00-59)'),
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102 ('%p', self.ampm, 'AM or PM as appropriate'),
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103 ('%S', '%02d' % now[5], 'seconds of current time (00-60)'),
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104 ('%U', '%02d' % ((now[7] + self.jan1[6])//7),
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105 'week number of the year (Sun 1st)'),
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106 ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'),
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107 ('%W', '%02d' % ((now[7] + (self.jan1[6] - 1)%7)//7),
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108 'week number of the year (Mon 1st)'),
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109 # %x see below
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110 ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
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111 ('%y', '%02d' % (now[0]%100), 'year without century'),
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112 ('%Y', '%d' % now[0], 'year with century'),
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113 # %Z see below
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114 ('%%', '%', 'single percent sign'),
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115 )
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116
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117 for e in expectations:
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118 # musn't raise a value error
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119 try:
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120 result = time.strftime(e[0], now)
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121 except ValueError, error:
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122 print "Standard '%s' format gaver error:" % (e[0], error)
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123 continue
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124 if re.match(escapestr(e[1], self.ampm), result):
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125 continue
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126 if not result or result[0] == '%':
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127 print "Does not support standard '%s' format (%s)" % \
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128 (e[0], e[2])
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129 else:
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130 print "Conflict for %s (%s):" % (e[0], e[2])
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131 print " Expected %s, but got %s" % (e[1], result)
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132
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133 def strftest2(self, now):
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134 nowsecs = str(long(now))[:-1]
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135 now = self.now
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136
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137 nonstandard_expectations = (
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138 # These are standard but don't have predictable output
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139 ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'),
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140 ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)),
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141 '%m/%d/%y %H:%M:%S'),
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142 ('%Z', '%s' % self.tz, 'time zone name'),
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143
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144 # These are some platform specific extensions
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145 ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'),
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146 ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'),
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147 ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'),
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148 ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'),
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149 ('%n', '\n', 'newline character'),
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150 ('%r', '%02d:%02d:%02d %s' % (self.clock12, now[4], now[5], self.ampm),
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151 '%I:%M:%S %p'),
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152 ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'),
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153 ('%s', nowsecs, 'seconds since the Epoch in UCT'),
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154 ('%t', '\t', 'tab character'),
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155 ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
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156 ('%3y', '%03d' % (now[0]%100),
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157 'year without century rendered using fieldwidth'),
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158 )
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159
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160 for e in nonstandard_expectations:
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161 try:
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162 result = time.strftime(e[0], now)
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163 except ValueError, result:
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164 msg = "Error for nonstandard '%s' format (%s): %s" % \
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165 (e[0], e[2], str(result))
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166 if test_support.verbose:
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167 print msg
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168 continue
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169
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170 if re.match(escapestr(e[1], self.ampm), result):
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171 if test_support.verbose:
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172 print "Supports nonstandard '%s' format (%s)" % (e[0], e[2])
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173 elif not result or result[0] == '%':
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174 if test_support.verbose:
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175 print "Does not appear to support '%s' format (%s)" % \
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176 (e[0], e[2])
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177 else:
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178 if test_support.verbose:
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179 print "Conflict for nonstandard '%s' format (%s):" % \
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180 (e[0], e[2])
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181 print " Expected %s, but got %s" % (e[1], result)
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182
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183 def test_main():
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184 test_support.run_unittest(StrftimeTest)
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185
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186 if __name__ == '__main__':
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187 test_main()