|
1 #! /usr/bin/env python |
|
2 |
|
3 # Sanity checker for time.strftime |
|
4 |
|
5 import time, calendar, sys, os, re |
|
6 from test.test_support import verbose |
|
7 |
|
8 def main(): |
|
9 global verbose |
|
10 # For C Python, these tests expect C locale, so we try to set that |
|
11 # explicitly. For Jython, Finn says we need to be in the US locale; my |
|
12 # understanding is that this is the closest Java gets to C's "C" locale. |
|
13 # Jython ought to supply an _locale module which Does The Right Thing, but |
|
14 # this is the best we can do given today's state of affairs. |
|
15 try: |
|
16 import java |
|
17 java.util.Locale.setDefault(java.util.Locale.US) |
|
18 except ImportError: |
|
19 # Can't do this first because it will succeed, even in Jython |
|
20 import locale |
|
21 locale.setlocale(locale.LC_TIME, 'C') |
|
22 now = time.time() |
|
23 strftest(now) |
|
24 verbose = 0 |
|
25 # Try a bunch of dates and times, chosen to vary through time of |
|
26 # day and daylight saving time |
|
27 for j in range(-5, 5): |
|
28 for i in range(25): |
|
29 strftest(now + (i + j*100)*23*3603) |
|
30 |
|
31 def escapestr(text, ampm): |
|
32 """Escape text to deal with possible locale values that have regex |
|
33 syntax while allowing regex syntax used for the comparison.""" |
|
34 new_text = re.escape(text) |
|
35 new_text = new_text.replace(re.escape(ampm), ampm) |
|
36 new_text = new_text.replace("\%", "%") |
|
37 new_text = new_text.replace("\:", ":") |
|
38 new_text = new_text.replace("\?", "?") |
|
39 return new_text |
|
40 |
|
41 def strftest(now): |
|
42 if verbose: |
|
43 print "strftime test for", time.ctime(now) |
|
44 nowsecs = str(long(now))[:-1] |
|
45 gmt = time.gmtime(now) |
|
46 now = time.localtime(now) |
|
47 |
|
48 if now[3] < 12: ampm='(AM|am)' |
|
49 else: ampm='(PM|pm)' |
|
50 |
|
51 jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0))) |
|
52 |
|
53 try: |
|
54 if now[8]: tz = time.tzname[1] |
|
55 else: tz = time.tzname[0] |
|
56 except AttributeError: |
|
57 tz = '' |
|
58 |
|
59 if now[3] > 12: clock12 = now[3] - 12 |
|
60 elif now[3] > 0: clock12 = now[3] |
|
61 else: clock12 = 12 |
|
62 |
|
63 # Make sure any characters that could be taken as regex syntax is |
|
64 # escaped in escapestr() |
|
65 expectations = ( |
|
66 ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'), |
|
67 ('%A', calendar.day_name[now[6]], 'full weekday name'), |
|
68 ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'), |
|
69 ('%B', calendar.month_name[now[1]], 'full month name'), |
|
70 # %c see below |
|
71 ('%d', '%02d' % now[2], 'day of month as number (00-31)'), |
|
72 ('%H', '%02d' % now[3], 'hour (00-23)'), |
|
73 ('%I', '%02d' % clock12, 'hour (01-12)'), |
|
74 ('%j', '%03d' % now[7], 'julian day (001-366)'), |
|
75 ('%m', '%02d' % now[1], 'month as number (01-12)'), |
|
76 ('%M', '%02d' % now[4], 'minute, (00-59)'), |
|
77 ('%p', ampm, 'AM or PM as appropriate'), |
|
78 ('%S', '%02d' % now[5], 'seconds of current time (00-60)'), |
|
79 ('%U', '%02d' % ((now[7] + jan1[6])//7), |
|
80 'week number of the year (Sun 1st)'), |
|
81 ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'), |
|
82 ('%W', '%02d' % ((now[7] + (jan1[6] - 1)%7)//7), |
|
83 'week number of the year (Mon 1st)'), |
|
84 # %x see below |
|
85 ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), |
|
86 ('%y', '%02d' % (now[0]%100), 'year without century'), |
|
87 ('%Y', '%d' % now[0], 'year with century'), |
|
88 # %Z see below |
|
89 ('%%', '%', 'single percent sign'), |
|
90 ) |
|
91 |
|
92 nonstandard_expectations = ( |
|
93 # These are standard but don't have predictable output |
|
94 ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'), |
|
95 ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), |
|
96 '%m/%d/%y %H:%M:%S'), |
|
97 ('%Z', '%s' % tz, 'time zone name'), |
|
98 |
|
99 # These are some platform specific extensions |
|
100 ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'), |
|
101 ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'), |
|
102 ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'), |
|
103 ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'), |
|
104 ('%n', '\n', 'newline character'), |
|
105 ('%r', '%02d:%02d:%02d %s' % (clock12, now[4], now[5], ampm), |
|
106 '%I:%M:%S %p'), |
|
107 ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'), |
|
108 ('%s', nowsecs, 'seconds since the Epoch in UCT'), |
|
109 ('%t', '\t', 'tab character'), |
|
110 ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), |
|
111 ('%3y', '%03d' % (now[0]%100), |
|
112 'year without century rendered using fieldwidth'), |
|
113 ) |
|
114 |
|
115 if verbose: |
|
116 print "Strftime test, platform: %s, Python version: %s" % \ |
|
117 (sys.platform, sys.version.split()[0]) |
|
118 |
|
119 for e in expectations: |
|
120 try: |
|
121 result = time.strftime(e[0], now) |
|
122 except ValueError, error: |
|
123 print "Standard '%s' format gave error:" % e[0], error |
|
124 continue |
|
125 if re.match(escapestr(e[1], ampm), result): continue |
|
126 if not result or result[0] == '%': |
|
127 print "Does not support standard '%s' format (%s)" % (e[0], e[2]) |
|
128 else: |
|
129 print "Conflict for %s (%s):" % (e[0], e[2]) |
|
130 print " Expected %s, but got %s" % (e[1], result) |
|
131 |
|
132 for e in nonstandard_expectations: |
|
133 try: |
|
134 result = time.strftime(e[0], now) |
|
135 except ValueError, result: |
|
136 if verbose: |
|
137 print "Error for nonstandard '%s' format (%s): %s" % \ |
|
138 (e[0], e[2], str(result)) |
|
139 continue |
|
140 if re.match(escapestr(e[1], ampm), result): |
|
141 if verbose: |
|
142 print "Supports nonstandard '%s' format (%s)" % (e[0], e[2]) |
|
143 elif not result or result[0] == '%': |
|
144 if verbose: |
|
145 print "Does not appear to support '%s' format (%s)" % (e[0], |
|
146 e[2]) |
|
147 else: |
|
148 if verbose: |
|
149 print "Conflict for nonstandard '%s' format (%s):" % (e[0], |
|
150 e[2]) |
|
151 print " Expected %s, but got %s" % (e[1], result) |
|
152 |
|
153 def fixasctime(s): |
|
154 if s[8] == ' ': |
|
155 s = s[:8] + '0' + s[9:] |
|
156 return s |
|
157 |
|
158 main() |