def date_time_str(t):
"""Convert seconds since the Epoch to formatted local date and time strings."""
source_date_epoch = os.environ.get('SOURCE_DATE_EPOCH')
if source_date_epoch is not None:
t = time.gmtime(min(t, int(source_date_epoch)))
else:
t = time.localtime(t)
date_str = time.strftime('%Y-%m-%d',t)
time_str = time.strftime('%H:%M:%S',t)
if source_date_epoch is not None:
time_str += ' UTC'
elif time.daylight and t.tm_isdst == 1:
time_str += ' ' + time.tzname[1]
else:
time_str += ' ' + time.tzname[0]
# Attempt to convert the localtime to the output encoding.
try:
time_str = char_encode(time_str.decode(locale.getdefaultlocale()[1]))
except Exception:
pass
return date_str, time_str
python类tzname()的实例源码
def _update_variables(self, now):
# we must update the local variables on every cycle
self.gmt = time.gmtime(now)
now = time.localtime(now)
if now[3] < 12: self.ampm='(AM|am)'
else: self.ampm='(PM|pm)'
self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0)))
try:
if now[8]: self.tz = time.tzname[1]
else: self.tz = time.tzname[0]
except AttributeError:
self.tz = ''
if now[3] > 12: self.clock12 = now[3] - 12
elif now[3] > 0: self.clock12 = now[3]
else: self.clock12 = 12
self.now = now
def test_pickling(self):
# Try one without a tzinfo.
args = 20, 59, 16, 64**2
orig = self.theclass(*args)
for pickler, unpickler, proto in pickle_choices:
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertEqual(orig, derived)
# Try one with a tzinfo.
tinfo = PicklableFixedOffset(-300, 'cookie')
orig = self.theclass(5, 6, 7, tzinfo=tinfo)
for pickler, unpickler, proto in pickle_choices:
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertEqual(orig, derived)
self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
self.assertEqual(derived.tzname(), 'cookie')
def test_pickling(self):
# Try one without a tzinfo.
args = 6, 7, 23, 20, 59, 1, 64**2
orig = self.theclass(*args)
for pickler, unpickler, proto in pickle_choices:
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertEqual(orig, derived)
# Try one with a tzinfo.
tinfo = PicklableFixedOffset(-300, 'cookie')
orig = self.theclass(*args, **{'tzinfo': tinfo})
derived = self.theclass(1, 1, 1, tzinfo=FixedOffset(0, "", 0))
for pickler, unpickler, proto in pickle_choices:
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertEqual(orig, derived)
self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
self.assertEqual(derived.tzname(), 'cookie')
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_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"):
return
try:
original_tzname = time.tzname
original_daylight = time.daylight
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))
finally:
time.tzname = original_tzname
time.daylight = original_daylight
def _detect_timezone_php():
tomatch = (time.tzname[0], time.timezone, time.daylight)
now = datetime.datetime.now()
matches = []
for tzname in pytz.all_timezones:
try:
tz = pytz.timezone(tzname)
except IOError:
continue
try:
indst = tz.localize(now).timetuple()[-1]
if tomatch == (tz._tzname, -tz._utcoffset.seconds, indst):
matches.append(tzname)
# pylint: disable-msg=W0704
except AttributeError:
pass
if len(matches) > 1:
warnings.warn("We detected multiple matches for the timezone, choosing "
"the first %s. (Matches where %s)" % (matches[0], matches))
return pytz.timezone(matches[0])
def _update_variables(self, now):
# we must update the local variables on every cycle
self.gmt = time.gmtime(now)
now = time.localtime(now)
if now[3] < 12: self.ampm='(AM|am)'
else: self.ampm='(PM|pm)'
self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0)))
try:
if now[8]: self.tz = time.tzname[1]
else: self.tz = time.tzname[0]
except AttributeError:
self.tz = ''
if now[3] > 12: self.clock12 = now[3] - 12
elif now[3] > 0: self.clock12 = now[3]
else: self.clock12 = 12
self.now = now
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_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_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 _update_variables(self, now):
# we must update the local variables on every cycle
self.gmt = time.gmtime(now)
now = time.localtime(now)
if now[3] < 12: self.ampm='(AM|am)'
else: self.ampm='(PM|pm)'
self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0)))
try:
if now[8]: self.tz = time.tzname[1]
else: self.tz = time.tzname[0]
except AttributeError:
self.tz = ''
if now[3] > 12: self.clock12 = now[3] - 12
elif now[3] > 0: self.clock12 = now[3]
else: self.clock12 = 12
self.now = now
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_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_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 __calc_timezone(self):
# Set self.timezone by using time.tzname.
# Do not worry about possibility of time.tzname[0] == timetzname[1]
# and time.daylight; handle that in strptime .
try:
time.tzset()
except AttributeError:
pass
no_saving = frozenset(["utc", "gmt", time.tzname[0].lower()])
if time.daylight:
has_saving = frozenset([time.tzname[1].lower()])
else:
has_saving = frozenset()
self.timezone = (no_saving, has_saving)
def tzname_in_python2(myfunc):
"""Change unicode output into bytestrings in Python 2
tzname() API changed in Python 3. It used to return bytes, but was changed
to unicode strings
"""
def inner_func(*args, **kwargs):
if PY3:
return myfunc(*args, **kwargs)
else:
return myfunc(*args, **kwargs).encode()
return inner_func
def tzname(self, dt):
return "UTC"
def tzname(self, dt):
return self._name
def tzname(self, dt):
return time.tzname[self._isdst(dt)]
def _isdst(self, dt):
# We can't use mktime here. It is unstable when deciding if
# the hour near to a change is DST or not.
#
# timestamp = time.mktime((dt.year, dt.month, dt.day, dt.hour,
# dt.minute, dt.second, dt.weekday(), 0, -1))
# return time.localtime(timestamp).tm_isdst
#
# The code above yields the following result:
#
# >>> import tz, datetime
# >>> t = tz.tzlocal()
# >>> datetime.datetime(2003,2,15,23,tzinfo=t).tzname()
# 'BRDT'
# >>> datetime.datetime(2003,2,16,0,tzinfo=t).tzname()
# 'BRST'
# >>> datetime.datetime(2003,2,15,23,tzinfo=t).tzname()
# 'BRST'
# >>> datetime.datetime(2003,2,15,22,tzinfo=t).tzname()
# 'BRDT'
# >>> datetime.datetime(2003,2,15,23,tzinfo=t).tzname()
# 'BRDT'
#
# Here is a more stable implementation:
#
timestamp = ((dt.toordinal() - EPOCHORDINAL) * 86400
+ dt.hour * 3600
+ dt.minute * 60
+ dt.second)
return time.localtime(timestamp+time.timezone).tm_isdst
def tzname(self, dt):
if self._isdst(dt):
return self._dst_abbr
else:
return self._std_abbr
def __init__(self, tzoffsetfrom, tzoffsetto, isdst,
tzname=None, rrule=None):
self.tzoffsetfrom = datetime.timedelta(seconds=tzoffsetfrom)
self.tzoffsetto = datetime.timedelta(seconds=tzoffsetto)
self.tzoffsetdiff = self.tzoffsetto-self.tzoffsetfrom
self.isdst = isdst
self.tzname = tzname
self.rrule = rrule
def tzname(self, dt):
return self._find_comp(dt).tzname
def validate(self, res):
# move to info
if res.year is not None:
res.year = self.convertyear(res.year)
if res.tzoffset == 0 and not res.tzname or res.tzname == 'Z':
res.tzname = "UTC"
res.tzoffset = 0
elif res.tzoffset != 0 and res.tzname and self.utczone(res.tzname):
res.tzoffset = 0
return True
def tzname(self, dt):
return "UTC"
def tzname(self, dt):
return self.__name
def tzname(self, dt):
return _time.tzname[self._isdst(dt)]
def tzname(self, dt):
if self.dst(dt):
return self.dstname
else:
return self.stdname
def tzname(self, dt):
return self.__name
