| #! /usr/bin/env python |
| |
| # 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(int(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 as 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 as 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() |