0001 #! /usr/bin/env python 0002 0003 # Sanity checker for time.strftime 0004 0005 import time, calendar, sys, os, re 0006 from test.test_support import verbose 0007 0008 def main(): 0009 global verbose 0010 # For C Python, these tests expect C locale, so we try to set that 0011 # explicitly. For Jython, Finn says we need to be in the US locale; my 0012 # understanding is that this is the closest Java gets to C's "C" locale. 0013 # Jython ought to supply an _locale module which Does The Right Thing, but 0014 # this is the best we can do given today's state of affairs. 0015 try: 0016 import java 0017 java.util.Locale.setDefault(java.util.Locale.US) 0018 except ImportError: 0019 # Can't do this first because it will succeed, even in Jython 0020 import locale 0021 locale.setlocale(locale.LC_TIME, 'C') 0022 now = time.time() 0023 strftest(now) 0024 verbose = 0 0025 # Try a bunch of dates and times, chosen to vary through time of 0026 # day and daylight saving time 0027 for j in range(-5, 5): 0028 for i in range(25): 0029 strftest(now + (i + j*100)*23*3603) 0030 0031 def escapestr(text, ampm): 0032 """Escape text to deal with possible locale values that have regex 0033 syntax while allowing regex syntax used for the comparison.""" 0034 new_text = re.escape(text) 0035 new_text = new_text.replace(re.escape(ampm), ampm) 0036 new_text = new_text.replace("\%", "%") 0037 new_text = new_text.replace("\:", ":") 0038 new_text = new_text.replace("\?", "?") 0039 return new_text 0040 0041 def strftest(now): 0042 if verbose: 0043 print "strftime test for", time.ctime(now) 0044 nowsecs = str(long(now))[:-1] 0045 gmt = time.gmtime(now) 0046 now = time.localtime(now) 0047 0048 if now[3] < 12: ampm='(AM|am)' 0049 else: ampm='(PM|pm)' 0050 0051 jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0))) 0052 0053 try: 0054 if now[8]: tz = time.tzname[1] 0055 else: tz = time.tzname[0] 0056 except AttributeError: 0057 tz = '' 0058 0059 if now[3] > 12: clock12 = now[3] - 12 0060 elif now[3] > 0: clock12 = now[3] 0061 else: clock12 = 12 0062 0063 # Make sure any characters that could be taken as regex syntax is 0064 # escaped in escapestr() 0065 expectations = ( 0066 ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'), 0067 ('%A', calendar.day_name[now[6]], 'full weekday name'), 0068 ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'), 0069 ('%B', calendar.month_name[now[1]], 'full month name'), 0070 # %c see below 0071 ('%d', '%02d' % now[2], 'day of month as number (00-31)'), 0072 ('%H', '%02d' % now[3], 'hour (00-23)'), 0073 ('%I', '%02d' % clock12, 'hour (01-12)'), 0074 ('%j', '%03d' % now[7], 'julian day (001-366)'), 0075 ('%m', '%02d' % now[1], 'month as number (01-12)'), 0076 ('%M', '%02d' % now[4], 'minute, (00-59)'), 0077 ('%p', ampm, 'AM or PM as appropriate'), 0078 ('%S', '%02d' % now[5], 'seconds of current time (00-60)'), 0079 ('%U', '%02d' % ((now[7] + jan1[6])//7), 0080 'week number of the year (Sun 1st)'), 0081 ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'), 0082 ('%W', '%02d' % ((now[7] + (jan1[6] - 1)%7)//7), 0083 'week number of the year (Mon 1st)'), 0084 # %x see below 0085 ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), 0086 ('%y', '%02d' % (now[0]%100), 'year without century'), 0087 ('%Y', '%d' % now[0], 'year with century'), 0088 # %Z see below 0089 ('%%', '%', 'single percent sign'), 0090 ) 0091 0092 nonstandard_expectations = ( 0093 # These are standard but don't have predictable output 0094 ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'), 0095 ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 0096 '%m/%d/%y %H:%M:%S'), 0097 ('%Z', '%s' % tz, 'time zone name'), 0098 0099 # These are some platform specific extensions 0100 ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'), 0101 ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'), 0102 ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'), 0103 ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'), 0104 ('%n', '\n', 'newline character'), 0105 ('%r', '%02d:%02d:%02d %s' % (clock12, now[4], now[5], ampm), 0106 '%I:%M:%S %p'), 0107 ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'), 0108 ('%s', nowsecs, 'seconds since the Epoch in UCT'), 0109 ('%t', '\t', 'tab character'), 0110 ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), 0111 ('%3y', '%03d' % (now[0]%100), 0112 'year without century rendered using fieldwidth'), 0113 ) 0114 0115 if verbose: 0116 print "Strftime test, platform: %s, Python version: %s" % \ 0117 (sys.platform, sys.version.split()[0]) 0118 0119 for e in expectations: 0120 try: 0121 result = time.strftime(e[0], now) 0122 except ValueError, error: 0123 print "Standard '%s' format gave error:" % e[0], error 0124 continue 0125 if re.match(escapestr(e[1], ampm), result): continue 0126 if not result or result[0] == '%': 0127 print "Does not support standard '%s' format (%s)" % (e[0], e[2]) 0128 else: 0129 print "Conflict for %s (%s):" % (e[0], e[2]) 0130 print " Expected %s, but got %s" % (e[1], result) 0131 0132 for e in nonstandard_expectations: 0133 try: 0134 result = time.strftime(e[0], now) 0135 except ValueError, result: 0136 if verbose: 0137 print "Error for nonstandard '%s' format (%s): %s" % \ 0138 (e[0], e[2], str(result)) 0139 continue 0140 if re.match(escapestr(e[1], ampm), result): 0141 if verbose: 0142 print "Supports nonstandard '%s' format (%s)" % (e[0], e[2]) 0143 elif not result or result[0] == '%': 0144 if verbose: 0145 print "Does not appear to support '%s' format (%s)" % (e[0], 0146 e[2]) 0147 else: 0148 if verbose: 0149 print "Conflict for nonstandard '%s' format (%s):" % (e[0], 0150 e[2]) 0151 print " Expected %s, but got %s" % (e[1], result) 0152 0153 def fixasctime(s): 0154 if s[8] == ' ': 0155 s = s[:8] + '0' + s[9:] 0156 return s 0157 0158 main() 0159
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