def GetTimeZone(name):
"""Returns a datetime.tzinfo object for name.
Args:
name: A timezone name string, None for the local timezone.
Returns:
A datetime.tzinfo object for name, local timezone if name is unknown.
"""
if name in ('UTC', 'Z'):
return UTC
name = times_data.ABBREVIATION_TO_IANA.get(name, name)
tzinfo = tz.gettz(name)
if not tzinfo and tzwin:
name = times_data.IANA_TO_WINDOWS.get(name, name)
try:
tzinfo = tzwin.tzwin(name)
except WindowsError: # pylint: disable=undefined-variable
pass
return tzinfo
def GetTimeZone(name):
"""Returns a datetime.tzinfo object for name.
Args:
name: A timezone name string, None for the local timezone.
Returns:
A datetime.tzinfo object for name, local timezone if name is unknown.
"""
if name in ('UTC', 'Z'):
return UTC
name = times_data.ABBREVIATION_TO_IANA.get(name, name)
tzinfo = tz.gettz(name)
if not tzinfo and tzwin:
name = times_data.IANA_TO_WINDOWS.get(name, name)
try:
tzinfo = tzwin.tzwin(name)
except WindowsError: # pylint: disable=undefined-variable
pass
return tzinfo
def gettz(name=None):
tz = None
if not name:
try:
name = os.environ["TZ"]
except KeyError:
pass
if name is None or name == ":":
for filepath in TZFILES:
if not os.path.isabs(filepath):
filename = filepath
for path in TZPATHS:
filepath = os.path.join(path, filename)
if os.path.isfile(filepath):
break
else:
continue
if os.path.isfile(filepath):
try:
tz = tzfile(filepath)
break
except (IOError, OSError, ValueError):
pass
else:
if name.startswith(":"):
name = name[:-1]
if os.path.isabs(name):
if os.path.isfile(name):
tz = tzfile(name)
else:
tz = None
else:
for path in TZPATHS:
filepath = os.path.join(path, name)
if not os.path.isfile(filepath):
filepath = filepath.replace(' ','_')
if not os.path.isfile(filepath):
continue
try:
tz = tzfile(filepath)
break
except (IOError, OSError, ValueError):
pass
else:
tz = None
if tzwin:
try:
tz = tzwin(name)
except OSError:
pass
if not tz:
from dateutil.zoneinfo import gettz
tz = gettz(name)
if not tz:
for c in name:
# name must have at least one offset to be a tzstr
if c in "0123456789":
try:
tz = tzstr(name)
except ValueError:
pass
break
else:
if name in ("GMT", "UTC"):
tz = tzutc()
elif name in time.tzname:
tz = tzlocal()
return tz
def testOffset(self):
tz = tzwin.tzwin("Cape Verde Standard Time")
self.assertEqual(tz.utcoffset(datetime(1995, 5, 21, 12, 9, 13)),
timedelta(-1, 82800))
def testIsdstZoneWithNoDaylightSaving(self):
tz = tzwin.tzwin("UTC")
dt = parse("2013-03-06 19:08:15")
self.assertFalse(tz._isdst(dt))
def testOffset(self):
tz = tzwin.tzwin("Cape Verde Standard Time")
self.assertEqual(tz.utcoffset(datetime(1995, 5, 21, 12, 9, 13)), timedelta(-1, 82800))
def testIsdstZoneWithNoDaylightSaving(self):
tz = tzwin.tzwin("UTC")
dt = parse("2013-03-06 19:08:15")
self.assertFalse(tz._isdst(dt))
def gettz(name=None):
tz = None
if not name:
try:
name = os.environ["TZ"]
except KeyError:
pass
if name is None or name == ":":
for filepath in TZFILES:
if not os.path.isabs(filepath):
filename = filepath
for path in TZPATHS:
filepath = os.path.join(path, filename)
if os.path.isfile(filepath):
break
else:
continue
if os.path.isfile(filepath):
try:
tz = tzfile(filepath)
break
except (IOError, OSError, ValueError):
pass
else:
tz = tzlocal()
else:
if name.startswith(":"):
name = name[:-1]
if os.path.isabs(name):
if os.path.isfile(name):
tz = tzfile(name)
else:
tz = None
else:
for path in TZPATHS:
filepath = os.path.join(path, name)
if not os.path.isfile(filepath):
filepath = filepath.replace(' ', '_')
if not os.path.isfile(filepath):
continue
try:
tz = tzfile(filepath)
break
except (IOError, OSError, ValueError):
pass
else:
tz = None
if tzwin is not None:
try:
tz = tzwin(name)
except WindowsError:
tz = None
if not tz:
try: # GOOGLE
from dateutil.zoneinfo import gettz
tz = gettz(name)
except ImportError: # GOOGLE
logging.info('dateutil.zoneinfo module not available;'
' using system TZ database.')
logging.info(
'Add "//third_party/py/dateutil:zoneinfo"'
' to your deps if you need your own copy.')
if not tz:
for c in name:
# name must have at least one offset to be a tzstr
if c in "0123456789":
try:
tz = tzstr(name)
except ValueError:
pass
break
else:
if name in ("GMT", "UTC"):
tz = tzutc()
elif name in time.tzname:
tz = tzlocal()
return tz
def gettz(name=None):
tz = None
if not name:
try:
name = os.environ["TZ"]
except KeyError:
pass
if name is None or name == ":":
for filepath in TZFILES:
if not os.path.isabs(filepath):
filename = filepath
for path in TZPATHS:
filepath = os.path.join(path, filename)
if os.path.isfile(filepath):
break
else:
continue
if os.path.isfile(filepath):
try:
tz = tzfile(filepath)
break
except (IOError, OSError, ValueError):
pass
else:
tz = tzlocal()
else:
if name.startswith(":"):
name = name[:-1]
if os.path.isabs(name):
if os.path.isfile(name):
tz = tzfile(name)
else:
tz = None
else:
for path in TZPATHS:
filepath = os.path.join(path, name)
if not os.path.isfile(filepath):
filepath = filepath.replace(' ', '_')
if not os.path.isfile(filepath):
continue
try:
tz = tzfile(filepath)
break
except (IOError, OSError, ValueError):
pass
else:
tz = None
if tzwin is not None:
try:
tz = tzwin(name)
except WindowsError:
tz = None
if not tz:
try: # GOOGLE
from dateutil.zoneinfo import gettz
tz = gettz(name)
except ImportError: # GOOGLE
logging.info('dateutil.zoneinfo module not available;'
' using system TZ database.')
logging.info('Add "//third_party/py/dateutil:zoneinfo"'
' to your deps if you need your own copy.')
if not tz:
for c in name:
# name must have at least one offset to be a tzstr
if c in "0123456789":
try:
tz = tzstr(name)
except ValueError:
pass
break
else:
if name in ("GMT", "UTC"):
tz = tzutc()
elif name in time.tzname:
tz = tzlocal()
return tz
