def test_ValueError(self):
# Make sure ValueError is raised when match fails or format is bad
self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d",
format="%A")
for bad_format in ("%", "% ", "%e"):
try:
_strptime._strptime_time("2005", bad_format)
except ValueError:
continue
except Exception as err:
self.fail("'%s' raised %s, not ValueError" %
(bad_format, err.__class__.__name__))
else:
self.fail("'%s' did not raise ValueError" % bad_format)
# Ambiguous or incomplete cases using ISO year/week/weekday directives
# 1. ISO week (%V) is specified, but the year is specified with %Y
# instead of %G
with self.assertRaises(ValueError):
_strptime._strptime("1999 50", "%Y %V")
# 2. ISO year (%G) and ISO week (%V) are specified, but weekday is not
with self.assertRaises(ValueError):
_strptime._strptime("1999 51", "%G %V")
# 3. ISO year (%G) and weekday are specified, but ISO week (%V) is not
for w in ('A', 'a', 'w', 'u'):
with self.assertRaises(ValueError):
_strptime._strptime("1999 51","%G %{}".format(w))
# 4. ISO year is specified alone (e.g. time.strptime('2015', '%G'))
with self.assertRaises(ValueError):
_strptime._strptime("2015", "%G")
# 5. Julian/ordinal day (%j) is specified with %G, but not %Y
with self.assertRaises(ValueError):
_strptime._strptime("1999 256", "%G %j")
def test_TimeRE_recreation(self):
# The TimeRE instance should be recreated upon changing the locale.
locale_info = locale.getlocale(locale.LC_TIME)
try:
locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8'))
except locale.Error:
self.skipTest('test needs en_US.UTF8 locale')
try:
_strptime._strptime_time('10', '%d')
# Get id of current cache object.
first_time_re = _strptime._TimeRE_cache
try:
# Change the locale and force a recreation of the cache.
locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8'))
_strptime._strptime_time('10', '%d')
# Get the new cache object's id.
second_time_re = _strptime._TimeRE_cache
# They should not be equal.
self.assertIsNot(first_time_re, second_time_re)
# Possible test locale is not supported while initial locale is.
# If this is the case just suppress the exception and fall-through
# to the resetting to the original locale.
except locale.Error:
self.skipTest('test needs de_DE.UTF8 locale')
# Make sure we don't trample on the locale setting once we leave the
# test.
finally:
locale.setlocale(locale.LC_TIME, locale_info)
def test_new_localetime(self):
# A new LocaleTime instance should be created when a new TimeRE object
# is created.
locale_time_id = _strptime._TimeRE_cache.locale_time
_strptime._TimeRE_cache.locale_time.lang = "Ni"
_strptime._strptime_time("10", "%d")
self.assertIsNot(locale_time_id, _strptime._TimeRE_cache.locale_time)
def test_new_localetime(self):
# A new LocaleTime instance should be created when a new TimeRE object
# is created.
locale_time_id = id(_strptime._TimeRE_cache.locale_time)
_strptime._TimeRE_cache.locale_time.lang = "Ni"
_strptime._strptime_time("10", "%d")
self.failIfEqual(locale_time_id,
id(_strptime._TimeRE_cache.locale_time))
def test_caseinsensitive(self):
# Should handle names case-insensitively.
strf_output = time.strftime("%B", self.time_tuple)
self.assertTrue(_strptime._strptime_time(strf_output.upper(), "%B"),
"strptime does not handle ALL-CAPS names properly")
self.assertTrue(_strptime._strptime_time(strf_output.lower(), "%B"),
"strptime does not handle lowercase names properly")
self.assertTrue(_strptime._strptime_time(strf_output.capitalize(), "%B"),
"strptime does not handle capword names properly")
def test_strptime_exception_context(self):
# check that this doesn't chain exceptions needlessly (see #17572)
with self.assertRaises(ValueError) as e:
_strptime._strptime_time('', '%D')
self.assertIs(e.exception.__suppress_context__, True)
# additional check for IndexError branch (issue #19545)
with self.assertRaises(ValueError) as e:
_strptime._strptime_time('19', '%Y %')
self.assertIs(e.exception.__suppress_context__, True)
def test_ValueError(self):
# Make sure ValueError is raised when match fails or format is bad
self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d", format="%A")
for bad_format in ("%", "% ", "%e"):
try:
_strptime._strptime_time("2005", bad_format)
except ValueError:
continue
except Exception, err:
self.fail("'%s' raised %s, not ValueError" % (bad_format, err.__class__.__name__))
else:
self.fail("'%s' did not raise ValueError" % bad_format)
def test_regex_cleanup(self):
# Make sure cached regexes are discarded when cache becomes "full".
try:
del _strptime._regex_cache['%d']
except KeyError:
pass
bogus_key = 0
while len(_strptime._regex_cache) <= _strptime._CACHE_MAX_SIZE:
_strptime._regex_cache[bogus_key] = None
bogus_key += 1
_strptime._strptime_time("10", "%d")
self.assertEqual(len(_strptime._regex_cache), 1)
def test_TimeRE_recreation_timezone(self):
# The TimeRE instance should be recreated upon changing the timezone.
oldtzname = time.tzname
tm = _strptime._strptime_time(time.tzname[0], '%Z')
self.assertEqual(tm.tm_isdst, 0)
tm = _strptime._strptime_time(time.tzname[1], '%Z')
self.assertEqual(tm.tm_isdst, 1)
# Get id of current cache object.
first_time_re = _strptime._TimeRE_cache
# Change the timezone and force a recreation of the cache.
os.environ['TZ'] = 'EST+05EDT,M3.2.0,M11.1.0'
time.tzset()
tm = _strptime._strptime_time(time.tzname[0], '%Z')
self.assertEqual(tm.tm_isdst, 0)
tm = _strptime._strptime_time(time.tzname[1], '%Z')
self.assertEqual(tm.tm_isdst, 1)
# Get the new cache object's id.
second_time_re = _strptime._TimeRE_cache
# They should not be equal.
self.assertIsNot(first_time_re, second_time_re)
# Make sure old names no longer accepted.
with self.assertRaises(ValueError):
_strptime._strptime_time(oldtzname[0], '%Z')
with self.assertRaises(ValueError):
_strptime._strptime_time(oldtzname[1], '%Z')
def test_percent(self):
# Make sure % signs are handled properly
strf_output = time.strftime("%m %% %Y", self.time_tuple)
strp_output = _strptime._strptime_time(strf_output, "%m %% %Y")
self.assertTrue(strp_output[0] == self.time_tuple[0] and
strp_output[1] == self.time_tuple[1],
"handling of percent sign failed")
def test_defaults(self):
# Default return value should be (1900, 1, 1, 0, 0, 0, 0, 1, 0)
defaults = (1900, 1, 1, 0, 0, 0, 0, 1, -1)
strp_output = _strptime._strptime_time('1', '%m')
self.assertTrue(strp_output == defaults,
"Default values for strptime() are incorrect;"
" %s != %s" % (strp_output, defaults))
def helper(self, directive, position):
"""Helper fxn in testing."""
strf_output = time.strftime("%" + directive, self.time_tuple)
strp_output = _strptime._strptime_time(strf_output, "%" + directive)
self.assertTrue(strp_output[position] == self.time_tuple[position],
"testing of '%s' directive failed; '%s' -> %s != %s" %
(directive, strf_output, strp_output[position],
self.time_tuple[position]))
def test_hour(self):
# Test hour directives
self.helper('H', 3)
strf_output = time.strftime("%I %p", self.time_tuple)
strp_output = _strptime._strptime_time(strf_output, "%I %p")
self.assertTrue(strp_output[3] == self.time_tuple[3],
"testing of '%%I %%p' directive failed; '%s' -> %s != %s" %
(strf_output, strp_output[3], self.time_tuple[3]))
def test_escaping(self):
# Make sure all characters that have regex significance are escaped.
# Parentheses are in a purposeful order; will cause an error of
# unbalanced parentheses when the regex is compiled if they are not
# escaped.
# Test instigated by bug #796149 .
need_escaping = ".^$*+?{}\[]|)("
self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping))
def test_julian_calculation(self):
# Make sure that when Julian is missing that it is calculated
format_string = "%Y %m %d %H %M %S %w %Z"
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
format_string)
self.assertTrue(result.tm_yday == self.time_tuple.tm_yday,
"Calculation of tm_yday failed; %s != %s" %
(result.tm_yday, self.time_tuple.tm_yday))
def test_day_of_week_calculation(self):
# Test that the day of the week is calculated as needed
format_string = "%Y %m %d %H %S %j %Z"
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
format_string)
self.assertTrue(result.tm_wday == self.time_tuple.tm_wday,
"Calculation of day of the week failed;"
"%s != %s" % (result.tm_wday, self.time_tuple.tm_wday))
def strptime(string, format="%a %b %d %H:%M:%S %Y"):
"""strptime(string, format) -> struct_time
Parse a string to a time tuple according to a format specification.
See the library reference manual for formatting codes
(same as strftime())."""
import _strptime # from the CPython standard library
return _strptime._strptime_time(string, format)
def test_day_of_week_calculation(self):
if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"):
return
# Test that the day of the week is calculated as needed
format_string = "%Y %m %d %H %S %j %Z"
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
format_string)
self.assertTrue(result.tm_wday == self.time_tuple.tm_wday,
"Calculation of day of the week failed;"
"%s != %s" % (result.tm_wday, self.time_tuple.tm_wday))
def test_helper(ymd_tuple, test_reason):
for year_week_format in ("%Y %W", "%Y %U", "%G %V"):
for weekday_format in ("%w", "%u", "%a", "%A"):
format_string = year_week_format + " " + weekday_format
with self.subTest(test_reason, date=ymd_tuple, format=format_string):
dt_date = datetime_date(*ymd_tuple)
strp_input = dt_date.strftime(format_string)
strp_output = _strptime._strptime_time(strp_input, format_string)
msg = "%r: %s != %s" % (strp_input, strp_output[7], dt_date.timetuple()[7])
self.assertEqual(strp_output[:3], ymd_tuple, msg)
def test_julian_calculation(self):
if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"):
return
# Make sure that when Julian is missing that it is calculated
format_string = "%Y %m %d %H %M %S %w %Z"
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
format_string)
self.assertTrue(result.tm_yday == self.time_tuple.tm_yday,
"Calculation of tm_yday failed; %s != %s" %
(result.tm_yday, self.time_tuple.tm_yday))
def test_helper(ymd_tuple, test_reason):
for directive in ('W', 'U'):
format_string = "%%Y %%%s %%w" % directive
dt_date = datetime_date(*ymd_tuple)
strp_input = dt_date.strftime(format_string)
strp_output = _strptime._strptime_time(strp_input, format_string)
self.assertTrue(strp_output[:3] == ymd_tuple,
"%s(%s) test failed w/ '%s': %s != %s (%s != %s)" %
(test_reason, directive, strp_input,
strp_output[:3], ymd_tuple,
strp_output[7], dt_date.timetuple()[7]))
def test_year(self):
# Test that the year is handled properly
for directive in ('y', 'Y'):
self.helper(directive, 0)
# Must also make sure %y values are correct for bounds set by Open Group
for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))):
for bound in bounds:
strp_output = _strptime._strptime_time(bound, '%y')
expected_result = century + int(bound)
self.assertTrue(strp_output[0] == expected_result,
"'y' test failed; passed in '%s' "
"and returned '%s'" % (bound, strp_output[0]))
def test_timezone(self):
# Test timezone directives.
# When gmtime() is used with %Z, entire result of strftime() is empty.
# Check for equal timezone names deals with bad locale info when this
# occurs; first found in FreeBSD 4.4.
strp_output = _strptime._strptime_time("UTC", "%Z")
self.assertEqual(strp_output.tm_isdst, 0)
strp_output = _strptime._strptime_time("GMT", "%Z")
self.assertEqual(strp_output.tm_isdst, 0)
time_tuple = time.localtime()
strf_output = time.strftime("%Z") #UTC does not have a timezone
strp_output = _strptime._strptime_time(strf_output, "%Z")
locale_time = _strptime.LocaleTime()
if time.tzname[0] != time.tzname[1] or not time.daylight:
self.assertTrue(strp_output[8] == time_tuple[8],
"timezone check failed; '%s' -> %s != %s" %
(strf_output, strp_output[8], time_tuple[8]))
else:
self.assertTrue(strp_output[8] == -1,
"LocaleTime().timezone has duplicate values and "
"time.daylight but timezone value not set to -1")
def test_gregorian_calculation(self):
# Test that Gregorian date can be calculated from Julian day
format_string = "%Y %H %M %S %w %j %Z"
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
format_string)
self.assertTrue(result.tm_year == self.time_tuple.tm_year and
result.tm_mon == self.time_tuple.tm_mon and
result.tm_mday == self.time_tuple.tm_mday,
"Calculation of Gregorian date failed;"
"%s-%s-%s != %s-%s-%s" %
(result.tm_year, result.tm_mon, result.tm_mday,
self.time_tuple.tm_year, self.time_tuple.tm_mon,
self.time_tuple.tm_mday))
def test_timezone(self):
# Test timezone directives.
# When gmtime() is used with %Z, entire result of strftime() is empty.
# Check for equal timezone names deals with bad locale info when this
# occurs; first found in FreeBSD 4.4.
strp_output = _strptime._strptime_time("UTC", "%Z")
self.assertEqual(strp_output.tm_isdst, 0)
strp_output = _strptime._strptime_time("GMT", "%Z")
self.assertEqual(strp_output.tm_isdst, 0)
if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"):
return
time_tuple = time.localtime()
strf_output = time.strftime("%Z") #UTC does not have a timezone
strp_output = _strptime._strptime_time(strf_output, "%Z")
locale_time = _strptime.LocaleTime()
if time.tzname[0] != time.tzname[1] or not time.daylight:
self.assertTrue(strp_output[8] == time_tuple[8],
"timezone check failed; '%s' -> %s != %s" %
(strf_output, strp_output[8], time_tuple[8]))
else:
self.assertTrue(strp_output[8] == -1,
"LocaleTime().timezone has duplicate values and "
"time.daylight but timezone value not set to -1")
def test_helper(ymd_tuple, test_reason):
for year_week_format in ('%Y %W', '%Y %U', '%G %V'):
for weekday_format in ('%w', '%u', '%a', '%A'):
format_string = year_week_format + ' ' + weekday_format
with self.subTest(test_reason,
date=ymd_tuple,
format=format_string):
dt_date = datetime_date(*ymd_tuple)
strp_input = dt_date.strftime(format_string)
strp_output = _strptime._strptime_time(strp_input,
format_string)
msg = "%r: %s != %s" % (strp_input,
strp_output[7],
dt_date.timetuple()[7])
self.assertEqual(strp_output[:3], ymd_tuple, msg)
def test_gregorian_calculation(self):
if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"):
return
# Test that Gregorian date can be calculated from Julian day
format_string = "%Y %H %M %S %w %j %Z"
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
format_string)
self.assertTrue(result.tm_year == self.time_tuple.tm_year and
result.tm_mon == self.time_tuple.tm_mon and
result.tm_mday == self.time_tuple.tm_mday,
"Calculation of Gregorian date failed;"
"%s-%s-%s != %s-%s-%s" %
(result.tm_year, result.tm_mon, result.tm_mday,
self.time_tuple.tm_year, self.time_tuple.tm_mon,
self.time_tuple.tm_mday))
def test_time_re_recreation(self):
# Make sure cache is recreated when current locale does not match what
# cached object was created with.
_strptime._strptime_time("10", "%d")
_strptime._strptime_time("2005", "%Y")
_strptime._TimeRE_cache.locale_time.lang = "Ni"
original_time_re = id(_strptime._TimeRE_cache)
_strptime._strptime_time("10", "%d")
self.failIfEqual(original_time_re, id(_strptime._TimeRE_cache))
self.failUnlessEqual(len(_strptime._regex_cache), 1)
def test_time_re_recreation(self):
# Make sure cache is recreated when current locale does not match what
# cached object was created with.
_strptime._strptime_time("10", "%d")
_strptime._strptime_time("2005", "%Y")
_strptime._TimeRE_cache.locale_time.lang = "Ni"
original_time_re = _strptime._TimeRE_cache
_strptime._strptime_time("10", "%d")
self.assertIsNot(original_time_re, _strptime._TimeRE_cache)
self.assertEqual(len(_strptime._regex_cache), 1)
def test_bad_timezone(self):
# Explicitly test possibility of bad timezone;
# when time.tzname[0] == time.tzname[1] and time.daylight
tz_name = time.tzname[0]
if tz_name.upper() in ("UTC", "GMT"):
self.skipTest('need non-UTC/GMT timezone')
with support.swap_attr(time, 'tzname', (tz_name, tz_name)), \
support.swap_attr(time, 'daylight', 1), \
support.swap_attr(time, 'tzset', lambda: None):
time.tzname = (tz_name, tz_name)
time.daylight = 1
tz_value = _strptime._strptime_time(tz_name, "%Z")[8]
self.assertEqual(tz_value, -1,
"%s lead to a timezone value of %s instead of -1 when "
"time.daylight set to %s and passing in %s" %
(time.tzname, tz_value, time.daylight, tz_name))
def test_defaults(self):
defaults = 1900, 1, 1, 0, 0, 0, 0, 1, -1
strp_output = _strptime._strptime_time('1', '%m')
self.assertTrue(strp_output == defaults,
'Default values for strptime() are incorrect; %s != %s' % (
strp_output, defaults))
def test_all_julian_days(self):
eq = self.assertEqual
for i in range(1, 367):
eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i)
def test_new_localetime(self):
locale_time_id = _strptime._TimeRE_cache.locale_time
_strptime._TimeRE_cache.locale_time.lang = 'Ni'
_strptime._strptime_time('10', '%d')
self.assertIsNot(locale_time_id, _strptime._TimeRE_cache.locale_time)
def check(value, format, *expected):
self.assertEqual(
_strptime._strptime_time(value, format)[:-1], expected)
def strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
from _strptime import _strptime_time
return _strptime_time(data_string, format)
def test_percent(self):
strf_output = time.strftime('%m %% %Y', self.time_tuple)
strp_output = _strptime._strptime_time(strf_output, '%m %% %Y')
self.assertTrue(strp_output[0] == self.time_tuple[0] and
strp_output[1] == self.time_tuple[1],
'handling of percent sign failed')
def test_escaping(self):
need_escaping = '.^$*+?{}\\[]|)('
self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping))
def test_strptime_exception_context(self):
# check that this doesn't chain exceptions needlessly (see #17572)
with self.assertRaises(ValueError) as e:
_strptime._strptime_time('', '%D')
self.assertIs(e.exception.__suppress_context__, True)
def test_all_julian_days(self):
eq = self.assertEqual
for i in range(1, 367):
# use 2004, since it is a leap year, we have 366 days
eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i)
def test_twelve_noon_midnight(self):
eq = self.assertEqual
eq(time.strptime('12 PM', '%I %p')[3], 12)
eq(time.strptime('12 AM', '%I %p')[3], 0)
eq(_strptime._strptime_time('12 PM', '%I %p')[3], 12)
eq(_strptime._strptime_time('12 AM', '%I %p')[3], 0)
