| 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 re
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| 8 | from test import test_support
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| 9 | import time
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| 10 | import unittest
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| 11 |
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| 12 |
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| 13 | # helper functions
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| 14 | def fixasctime(s):
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| 15 | if s[8] == ' ':
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| 16 | s = s[:8] + '0' + s[9:]
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| 17 | return s
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| 18 |
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| 19 | def escapestr(text, ampm):
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| 20 | """
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| 21 | Escape text to deal with possible locale values that have regex
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| 22 | syntax while allowing regex syntax used for comparison.
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| 23 | """
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| 24 | new_text = re.escape(text)
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| 25 | new_text = new_text.replace(re.escape(ampm), ampm)
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| 26 | new_text = new_text.replace('\%', '%')
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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 | return new_text
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| 30 |
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| 31 | class StrftimeTest(unittest.TestCase):
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| 32 |
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| 33 | def __init__(self, *k, **kw):
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| 34 | unittest.TestCase.__init__(self, *k, **kw)
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| 35 |
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| 36 | def _update_variables(self, now):
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| 37 | # we must update the local variables on every cycle
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| 38 | self.gmt = time.gmtime(now)
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| 39 | now = time.localtime(now)
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| 40 |
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| 41 | if now[3] < 12: self.ampm='(AM|am)'
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| 42 | else: self.ampm='(PM|pm)'
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| 43 |
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| 44 | self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0)))
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| 45 |
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| 46 | try:
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| 47 | if now[8]: self.tz = time.tzname[1]
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| 48 | else: self.tz = time.tzname[0]
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| 49 | except AttributeError:
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| 50 | self.tz = ''
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| 51 |
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| 52 | if now[3] > 12: self.clock12 = now[3] - 12
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| 53 | elif now[3] > 0: self.clock12 = now[3]
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| 54 | else: self.clock12 = 12
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| 55 |
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| 56 | self.now = now
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| 57 |
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| 58 | def setUp(self):
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| 59 | try:
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| 60 | import java
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| 61 | java.util.Locale.setDefault(java.util.Locale.US)
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| 62 | except ImportError:
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| 63 | import locale
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| 64 | locale.setlocale(locale.LC_TIME, 'C')
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| 65 |
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| 66 | def test_strftime(self):
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| 67 | now = time.time()
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| 68 | self._update_variables(now)
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| 69 | self.strftest1(now)
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| 70 | self.strftest2(now)
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| 71 |
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| 72 | if test_support.verbose:
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| 73 | print "Strftime test, platform: %s, Python version: %s" % \
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| 74 | (sys.platform, sys.version.split()[0])
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| 75 |
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| 76 | for j in range(-5, 5):
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| 77 | for i in range(25):
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| 78 | arg = now + (i+j*100)*23*3603
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| 79 | self._update_variables(arg)
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| 80 | self.strftest1(arg)
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| 81 | self.strftest2(arg)
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| 82 |
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| 83 | def strftest1(self, now):
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| 84 | if test_support.verbose:
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| 85 | print "strftime test for", time.ctime(now)
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| 86 | now = self.now
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| 87 | # Make sure any characters that could be taken as regex syntax is
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| 88 | # escaped in escapestr()
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| 89 | expectations = (
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| 90 | ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'),
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| 91 | ('%A', calendar.day_name[now[6]], 'full weekday name'),
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| 92 | ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'),
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| 93 | ('%B', calendar.month_name[now[1]], 'full month name'),
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| 94 | # %c see below
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| 95 | ('%d', '%02d' % now[2], 'day of month as number (00-31)'),
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| 96 | ('%H', '%02d' % now[3], 'hour (00-23)'),
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| 97 | ('%I', '%02d' % self.clock12, 'hour (01-12)'),
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| 98 | ('%j', '%03d' % now[7], 'julian day (001-366)'),
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| 99 | ('%m', '%02d' % now[1], 'month as number (01-12)'),
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| 100 | ('%M', '%02d' % now[4], 'minute, (00-59)'),
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| 101 | ('%p', self.ampm, 'AM or PM as appropriate'),
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| 102 | ('%S', '%02d' % now[5], 'seconds of current time (00-60)'),
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| 103 | ('%U', '%02d' % ((now[7] + self.jan1[6])//7),
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| 104 | 'week number of the year (Sun 1st)'),
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| 105 | ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'),
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| 106 | ('%W', '%02d' % ((now[7] + (self.jan1[6] - 1)%7)//7),
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| 107 | 'week number of the year (Mon 1st)'),
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| 108 | # %x see below
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| 109 | ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
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| 110 | ('%y', '%02d' % (now[0]%100), 'year without century'),
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| 111 | ('%Y', '%d' % now[0], 'year with century'),
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| 112 | # %Z see below
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| 113 | ('%%', '%', 'single percent sign'),
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| 114 | )
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| 115 |
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| 116 | for e in expectations:
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| 117 | # musn't raise a value error
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| 118 | try:
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| 119 | result = time.strftime(e[0], now)
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| 120 | except ValueError, error:
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| 121 | self.fail("strftime '%s' format gave error: %s" % (e[0], error))
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| 122 | if re.match(escapestr(e[1], self.ampm), result):
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| 123 | continue
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| 124 | if not result or result[0] == '%':
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| 125 | self.fail("strftime does not support standard '%s' format (%s)"
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| 126 | % (e[0], e[2]))
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| 127 | else:
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| 128 | self.fail("Conflict for %s (%s): expected %s, but got %s"
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| 129 | % (e[0], e[2], e[1], result))
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| 130 |
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| 131 | def strftest2(self, now):
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| 132 | nowsecs = str(long(now))[:-1]
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| 133 | now = self.now
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| 134 |
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| 135 | nonstandard_expectations = (
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| 136 | # These are standard but don't have predictable output
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| 137 | ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'),
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| 138 | ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)),
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| 139 | '%m/%d/%y %H:%M:%S'),
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| 140 | ('%Z', '%s' % self.tz, 'time zone name'),
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| 141 |
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| 142 | # These are some platform specific extensions
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| 143 | ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'),
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| 144 | ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'),
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| 145 | ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'),
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| 146 | ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'),
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| 147 | ('%n', '\n', 'newline character'),
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| 148 | ('%r', '%02d:%02d:%02d %s' % (self.clock12, now[4], now[5], self.ampm),
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| 149 | '%I:%M:%S %p'),
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| 150 | ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'),
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| 151 | ('%s', nowsecs, 'seconds since the Epoch in UCT'),
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| 152 | ('%t', '\t', 'tab character'),
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| 153 | ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
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| 154 | ('%3y', '%03d' % (now[0]%100),
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| 155 | 'year without century rendered using fieldwidth'),
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| 156 | )
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| 157 |
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| 158 | for e in nonstandard_expectations:
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| 159 | try:
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| 160 | result = time.strftime(e[0], now)
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| 161 | except ValueError, result:
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| 162 | msg = "Error for nonstandard '%s' format (%s): %s" % \
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| 163 | (e[0], e[2], str(result))
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| 164 | if test_support.verbose:
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| 165 | print msg
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| 166 | continue
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| 167 |
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| 168 | if re.match(escapestr(e[1], self.ampm), result):
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| 169 | if test_support.verbose:
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| 170 | print "Supports nonstandard '%s' format (%s)" % (e[0], e[2])
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| 171 | elif not result or result[0] == '%':
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| 172 | if test_support.verbose:
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| 173 | print "Does not appear to support '%s' format (%s)" % \
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| 174 | (e[0], e[2])
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| 175 | else:
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| 176 | if test_support.verbose:
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| 177 | print "Conflict for nonstandard '%s' format (%s):" % \
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| 178 | (e[0], e[2])
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| 179 | print " Expected %s, but got %s" % (e[1], result)
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| 180 |
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| 181 | def test_main():
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| 182 | test_support.run_unittest(StrftimeTest)
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| 183 |
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| 184 | if __name__ == '__main__':
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| 185 | test_main()
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