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//usr/lib/python2.4/test/test_strftime.py
#! /usr/bin/env python2.4 # Sanity checker for time.strftime import time, calendar, sys, os, re from test.test_support import verbose def main(): global verbose # For C Python, these tests expect C locale, so we try to set that # explicitly. For Jython, Finn says we need to be in the US locale; my # understanding is that this is the closest Java gets to C's "C" locale. # Jython ought to supply an _locale module which Does The Right Thing, but # this is the best we can do given today's state of affairs. try: import java java.util.Locale.setDefault(java.util.Locale.US) except ImportError: # Can't do this first because it will succeed, even in Jython import locale locale.setlocale(locale.LC_TIME, 'C') now = time.time() strftest(now) verbose = 0 # Try a bunch of dates and times, chosen to vary through time of # day and daylight saving time for j in range(-5, 5): for i in range(25): strftest(now + (i + j*100)*23*3603) def escapestr(text, ampm): """Escape text to deal with possible locale values that have regex syntax while allowing regex syntax used for the comparison.""" new_text = re.escape(text) new_text = new_text.replace(re.escape(ampm), ampm) new_text = new_text.replace("\%", "%") new_text = new_text.replace("\:", ":") new_text = new_text.replace("\?", "?") return new_text def strftest(now): if verbose: print "strftime test for", time.ctime(now) nowsecs = str(long(now))[:-1] gmt = time.gmtime(now) now = time.localtime(now) if now[3] < 12: ampm='(AM|am)' else: ampm='(PM|pm)' jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0))) try: if now[8]: tz = time.tzname[1] else: tz = time.tzname[0] except AttributeError: tz = '' if now[3] > 12: clock12 = now[3] - 12 elif now[3] > 0: clock12 = now[3] else: clock12 = 12 # Make sure any characters that could be taken as regex syntax is # escaped in escapestr() expectations = ( ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'), ('%A', calendar.day_name[now[6]], 'full weekday name'), ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'), ('%B', calendar.month_name[now[1]], 'full month name'), # %c see below ('%d', '%02d' % now[2], 'day of month as number (00-31)'), ('%H', '%02d' % now[3], 'hour (00-23)'), ('%I', '%02d' % clock12, 'hour (01-12)'), ('%j', '%03d' % now[7], 'julian day (001-366)'), ('%m', '%02d' % now[1], 'month as number (01-12)'), ('%M', '%02d' % now[4], 'minute, (00-59)'), ('%p', ampm, 'AM or PM as appropriate'), ('%S', '%02d' % now[5], 'seconds of current time (00-60)'), ('%U', '%02d' % ((now[7] + jan1[6])//7), 'week number of the year (Sun 1st)'), ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'), ('%W', '%02d' % ((now[7] + (jan1[6] - 1)%7)//7), 'week number of the year (Mon 1st)'), # %x see below ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), ('%y', '%02d' % (now[0]%100), 'year without century'), ('%Y', '%d' % now[0], 'year with century'), # %Z see below ('%%', '%', 'single percent sign'), ) nonstandard_expectations = ( # These are standard but don't have predictable output ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'), ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), '%m/%d/%y %H:%M:%S'), ('%Z', '%s' % tz, 'time zone name'), # These are some platform specific extensions ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'), ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'), ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'), ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'), ('%n', '\n', 'newline character'), ('%r', '%02d:%02d:%02d %s' % (clock12, now[4], now[5], ampm), '%I:%M:%S %p'), ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'), ('%s', nowsecs, 'seconds since the Epoch in UCT'), ('%t', '\t', 'tab character'), ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), ('%3y', '%03d' % (now[0]%100), 'year without century rendered using fieldwidth'), ) if verbose: print "Strftime test, platform: %s, Python version: %s" % \ (sys.platform, sys.version.split()[0]) for e in expectations: try: result = time.strftime(e[0], now) except ValueError, error: print "Standard '%s' format gave error:" % e[0], error continue if re.match(escapestr(e[1], ampm), result): continue if not result or result[0] == '%': print "Does not support standard '%s' format (%s)" % (e[0], e[2]) else: print "Conflict for %s (%s):" % (e[0], e[2]) print " Expected %s, but got %s" % (e[1], result) for e in nonstandard_expectations: try: result = time.strftime(e[0], now) except ValueError, result: if verbose: print "Error for nonstandard '%s' format (%s): %s" % \ (e[0], e[2], str(result)) continue if re.match(escapestr(e[1], ampm), result): if verbose: print "Supports nonstandard '%s' format (%s)" % (e[0], e[2]) elif not result or result[0] == '%': if verbose: print "Does not appear to support '%s' format (%s)" % (e[0], e[2]) else: if verbose: print "Conflict for nonstandard '%s' format (%s):" % (e[0], e[2]) print " Expected %s, but got %s" % (e[1], result) def fixasctime(s): if s[8] == ' ': s = s[:8] + '0' + s[9:] return s main()