def Time2Internaldate(date_time):
"""'"DD-Mmm-YYYY HH:MM:SS +HHMM"' = Time2Internaldate(date_time)
Convert 'date_time' to IMAP4 INTERNALDATE representation."""
if isinstance(date_time, (int, float)):
tt = time.localtime(date_time)
elif isinstance(date_time, (tuple, time.struct_time)):
tt = date_time
elif isinstance(date_time, str) and (date_time[0],date_time[-1]) == ('"','"'):
return date_time # Assume in correct format
else:
raise ValueError("date_time not of a known type")
if time.daylight and tt[-1]:
zone = -time.altzone
else:
zone = -time.timezone
return ('"%2d-%s-%04d %02d:%02d:%02d %+03d%02d"' %
((tt[2], MonthNames[tt[1]], tt[0]) + tt[3:6] +
divmod(zone//60, 60)))
python类altzone()的实例源码
def get_time_string(status, options, format="%a %b %d %H:%M:%S +0000 %Y"):
timestamp = options["timestamp"]
datestamp = options["datestamp"]
t = time.strptime(status['created_at'], format)
i_hate_timezones = time.timezone
if time.daylight:
i_hate_timezones = time.altzone
dt = datetime.datetime(*t[:-3]) - datetime.timedelta(
seconds=i_hate_timezones)
t = dt.timetuple()
if timestamp and datestamp:
return time.strftime("%Y-%m-%d %H:%M:%S ", t)
elif timestamp:
return time.strftime("%H:%M:%S ", t)
elif datestamp:
return time.strftime("%Y-%m-%d ", t)
return ""
def get_genTime_as_datetime(self):
"""
parses the genTime string and returns a datetime object;
it also adjusts the time according to local timezone, so that it is
compatible with other parts of the library
"""
year = int(self.genTime[:4])
month = int(self.genTime[4:6])
day = int(self.genTime[6:8])
hour = int(self.genTime[8:10])
minute = int(self.genTime[10:12])
second = int(self.genTime[12:14])
rest = self.genTime[14:].strip("Z")
if rest:
micro = int(float(rest)*1e6)
else:
micro = 0
tz_delta = datetime.timedelta(seconds=time.daylight and time.altzone
or time.timezone)
return datetime.datetime(year, month, day, hour, minute, second, micro) - tz_delta
def local_time_to_online(dt=None):
"""
converts datetime object to a UTC timestamp for AGOL
Inputs:
dt - datetime object
Output:
Long value
"""
if dt is None:
dt = datetime.datetime.now()
is_dst = time.daylight and time.localtime().tm_isdst > 0
utc_offset = (time.altzone if is_dst else time.timezone)
return (time.mktime(dt.timetuple()) * 1000) + (utc_offset *1000)
#----------------------------------------------------------------------
def Time2Internaldate(date_time):
"""'"DD-Mmm-YYYY HH:MM:SS +HHMM"' = Time2Internaldate(date_time)
Convert 'date_time' to IMAP4 INTERNALDATE representation."""
if isinstance(date_time, (int, float)):
tt = time.localtime(date_time)
elif isinstance(date_time, (tuple, time.struct_time)):
tt = date_time
elif isinstance(date_time, str) and (date_time[0],date_time[-1]) == ('"','"'):
return date_time # Assume in correct format
else:
raise ValueError("date_time not of a known type")
if time.daylight and tt[-1]:
zone = -time.altzone
else:
zone = -time.timezone
return ('"%2d-%s-%04d %02d:%02d:%02d %+03d%02d"' %
((tt[2], MonthNames[tt[1]], tt[0]) + tt[3:6] +
divmod(zone//60, 60)))
def getTimeZone(cls):
#The line below is wrong on Nov7th in France, but was corret before the daylight change...
#I do not understand the documentation, it seems... :-/
#nbSecWest = time.altzone
#fix, which I hope works also in summer time... :-O
t0 = time.time()
nbSecGMT = time.mktime(time.gmtime (t0))
nbSecHere = time.mktime(time.localtime(t0))
nbSecWest = nbSecGMT - nbSecHere
h, m = int(nbSecWest/3600), nbSecWest % 3600
if h > 0:
return "-%02d%02d"%( h,m)
else:
return "+%02d%02d"%(-h,m)
def gettzd(timeinseconds = None):
"""Return w3's timezone identification string.
Expresed as [+/-]hh:mm. For instance, PDT is -07:00 during
dayling savings and -08:00 otherwise. Zone coincides with what
localtime(), etc., use. If no argument given, use the current
time.
"""
if timeinseconds is None: timeinseconds = time.time()
dst_in_effect = time.daylight and time.localtime(timeinseconds)[8]
if dst_in_effect: offset = -time.altzone/60
else: offset = -time.timezone/60
if offset > 0: prefix = "+"
elif offset < 0: prefix = "-"
else: return "Z" # time is already in UTC
if Globals.use_compatible_timestamps: time_separator = '-'
else: time_separator = ':'
hours, minutes = map(abs, divmod(offset, 60))
assert 0 <= hours <= 23
assert 0 <= minutes <= 59
return "%s%02d%s%02d" % (prefix, hours, time_separator, minutes)
def get_time_string(status, options, format="%a %b %d %H:%M:%S +0000 %Y"):
timestamp = options["timestamp"]
datestamp = options["datestamp"]
t = time.strptime(status['created_at'], format)
i_hate_timezones = time.timezone
if (time.daylight):
i_hate_timezones = time.altzone
dt = datetime.datetime(*t[:-3]) - datetime.timedelta(
seconds=i_hate_timezones)
t = dt.timetuple()
if timestamp and datestamp:
return time.strftime("%Y-%m-%d %H:%M:%S ", t)
elif timestamp:
return time.strftime("%H:%M:%S ", t)
elif datestamp:
return time.strftime("%Y-%m-%d ", t)
return ""
def get_time_string(status, options, format="%a %b %d %H:%M:%S +0000 %Y"):
timestamp = options["timestamp"]
datestamp = options["datestamp"]
t = time.strptime(status['created_at'], format)
i_hate_timezones = time.timezone
if (time.daylight):
i_hate_timezones = time.altzone
dt = datetime.datetime(*t[:-3]) - datetime.timedelta(
seconds=i_hate_timezones)
t = dt.timetuple()
if timestamp and datestamp:
return time.strftime("%Y-%m-%d %H:%M:%S ", t)
elif timestamp:
return time.strftime("%H:%M:%S ", t)
elif datestamp:
return time.strftime("%Y-%m-%d ", t)
return ""
def compute_timezone_for_log():
if time.daylight:
tz = time.altzone
else:
tz = time.timezone
if tz > 0:
neg = 1
else:
neg = 0
tz = -tz
h, rem = divmod(tz, 3600)
m, rem = divmod(rem, 60)
if neg:
return '-%02d%02d' % (h, m)
else:
return '+%02d%02d' % (h, m)
# if you run this program over a TZ change boundary, this will be invalid.
def watch_rule(self):
"""Watch a trigger rule"""
# Set time zone:
if daylight:
self.tzone = \
str(int(float(altzone) / 60 // 60)).rjust(2,
'0') + \
str(int(float(altzone) / 60 % 60)).ljust(2, '0')
else:
self.tzone = \
str(int(float(timezone) / 60 // 60)).rjust(2,
'0') + \
str(int(float(timezone) / 60 % 60)).ljust(2, '0')
if not '-' in self.tzone:
self.tzone = '+' + self.tzone
while True:
# Check the rule:
self.check_rule()
# Wait until the next interval
sleep(int(self.rule['time_int']) * 60)
def Time2Internaldate(date_time):
"""Convert date_time to IMAP4 INTERNALDATE representation.
Return string in form: '"DD-Mmm-YYYY HH:MM:SS +HHMM"'. The
date_time argument can be a number (int or float) representing
seconds since epoch (as returned by time.time()), a 9-tuple
representing local time (as returned by time.localtime()), or a
double-quoted string. In the last case, it is assumed to already
be in the correct format.
"""
if isinstance(date_time, (int, float)):
tt = time.localtime(date_time)
elif isinstance(date_time, (tuple, time.struct_time)):
tt = date_time
elif isinstance(date_time, str) and (date_time[0],date_time[-1]) == ('"','"'):
return date_time # Assume in correct format
else:
raise ValueError("date_time not of a known type")
dt = time.strftime("%d-%b-%Y %H:%M:%S", tt)
if dt[0] == '0':
dt = ' ' + dt[1:]
if time.daylight and tt[-1]:
zone = -time.altzone
else:
zone = -time.timezone
return '"' + dt + " %+03d%02d" % divmod(zone//60, 60) + '"'
def Internaldate2Time(resp):
"""time_tuple = Internaldate2Time(resp)
Convert IMAP4 INTERNALDATE to UT."""
mo = InternalDate.match(resp)
if not mo:
return None
mon = Mon2num[mo.group('mon')]
zonen = mo.group('zonen')
day = int(mo.group('day'))
year = int(mo.group('year'))
hour = int(mo.group('hour'))
min = int(mo.group('min'))
sec = int(mo.group('sec'))
zoneh = int(mo.group('zoneh'))
zonem = int(mo.group('zonem'))
# INTERNALDATE timezone must be subtracted to get UT
zone = (zoneh*60 + zonem)*60
if zonen == '-':
zone = -zone
tt = (year, mon, day, hour, min, sec, -1, -1, -1)
utc = time.mktime(tt)
# Following is necessary because the time module has no 'mkgmtime'.
# 'mktime' assumes arg in local timezone, so adds timezone/altzone.
lt = time.localtime(utc)
if time.daylight and lt[-1]:
zone = zone + time.altzone
else:
zone = zone + time.timezone
return time.localtime(utc - zone)
def for_system(klass):
"""Return a FixedOffset instance for the current working timezone and
DST conditions.
"""
if time.localtime().tm_isdst and time.daylight:
offset = time.altzone
else:
offset = time.timezone
return klass(-offset // 60)
def __init__(self):
self.STDOFFSET = timedelta(seconds=-_time.timezone)
if _time.daylight:
self.DSTOFFSET = timedelta(seconds=-_time.altzone)
else:
self.DSTOFFSET = self.STDOFFSET
self.DSTDIFF = self.DSTOFFSET - self.STDOFFSET
tzinfo.__init__(self)
def getTimezoneOffset(self):
"""
Return the current local timezone offset from UTC.
@rtype: C{int}
@return: The number of seconds offset from UTC. West is positive,
east is negative.
"""
if time.daylight:
return time.altzone
return time.timezone
def rfc822date(timeinfo=None,local=1):
"""
Format an RFC-2822 compliant date string.
@param timeinfo: (optional) A sequence as returned by C{time.localtime()}
or C{time.gmtime()}. Default is now.
@param local: (optional) Indicates if the supplied time is local or
universal time, or if no time is given, whether now should be local or
universal time. Default is local, as suggested (SHOULD) by rfc-2822.
@returns: A string representing the time and date in RFC-2822 format.
"""
if not timeinfo:
if local:
timeinfo = time.localtime()
else:
timeinfo = time.gmtime()
if local:
if timeinfo[8]:
# DST
tz = -time.altzone
else:
tz = -time.timezone
(tzhr, tzmin) = divmod(abs(tz), 3600)
if tz:
tzhr *= int(abs(tz)/tz)
(tzmin, tzsec) = divmod(tzmin, 60)
else:
(tzhr, tzmin) = (0,0)
return "%s, %02d %s %04d %02d:%02d:%02d %+03d%02d" % (
['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'][timeinfo[6]],
timeinfo[2],
['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'][timeinfo[1] - 1],
timeinfo[0], timeinfo[3], timeinfo[4], timeinfo[5],
tzhr, tzmin)
def Time2Internaldate(date_time):
"""Convert date_time to IMAP4 INTERNALDATE representation.
Return string in form: '"DD-Mmm-YYYY HH:MM:SS +HHMM"'. The
date_time argument can be a number (int or float) representing
seconds since epoch (as returned by time.time()), a 9-tuple
representing local time (as returned by time.localtime()), or a
double-quoted string. In the last case, it is assumed to already
be in the correct format.
"""
if isinstance(date_time, (int, float)):
tt = time.localtime(date_time)
elif isinstance(date_time, (tuple, time.struct_time)):
tt = date_time
elif isinstance(date_time, str) and (date_time[0],date_time[-1]) == ('"','"'):
return date_time # Assume in correct format
else:
raise ValueError("date_time not of a known type")
dt = time.strftime("%d-%b-%Y %H:%M:%S", tt)
if dt[0] == '0':
dt = ' ' + dt[1:]
if time.daylight and tt[-1]:
zone = -time.altzone
else:
zone = -time.timezone
return '"' + dt + " %+03d%02d" % divmod(zone//60, 60) + '"'
def __init__(self, *a, **kw):
_tzinfo.__init__(self, *a, **kw)
self.__dstoffset = self.__stdoffset = _timedelta(seconds=-_time.timezone)
if _time.daylight: self.__dstoffset = _timedelta(seconds=-_time.altzone)
self.__dstdiff = self.__dstoffset - self.__stdoffset
def __init__(self):
super(tzlocal, self).__init__()
self._std_offset = datetime.timedelta(seconds=-time.timezone)
if time.daylight:
self._dst_offset = datetime.timedelta(seconds=-time.altzone)
else:
self._dst_offset = self._std_offset
self._dst_saved = self._dst_offset - self._std_offset
self._hasdst = bool(self._dst_saved)
def __init__(self):
super(tzlocal, self).__init__()
self._std_offset = datetime.timedelta(seconds=-time.timezone)
if time.daylight:
self._dst_offset = datetime.timedelta(seconds=-time.altzone)
else:
self._dst_offset = self._std_offset
self._dst_saved = self._dst_offset - self._std_offset
self._hasdst = bool(self._dst_saved)
def time(self):
"""time as tuple:
* [0] = int(time)
* [1] = int(timezone_offset) in time.altzone format """
return self[3]
def append_entry(cls, config_reader, filepath, oldbinsha, newbinsha, message):
"""Append a new log entry to the revlog at filepath.
:param config_reader: configuration reader of the repository - used to obtain
user information. May also be an Actor instance identifying the committer directly.
May also be None
:param filepath: full path to the log file
:param oldbinsha: binary sha of the previous commit
:param newbinsha: binary sha of the current commit
:param message: message describing the change to the reference
:param write: If True, the changes will be written right away. Otherwise
the change will not be written
:return: RefLogEntry objects which was appended to the log
:note: As we are append-only, concurrent access is not a problem as we
do not interfere with readers."""
if len(oldbinsha) != 20 or len(newbinsha) != 20:
raise ValueError("Shas need to be given in binary format")
# END handle sha type
assure_directory_exists(filepath, is_file=True)
first_line = message.split('\n')[0]
committer = isinstance(config_reader, Actor) and config_reader or Actor.committer(config_reader)
entry = RefLogEntry((
bin_to_hex(oldbinsha).decode('ascii'),
bin_to_hex(newbinsha).decode('ascii'),
committer, (int(time.time()), time.altzone), first_line
))
lf = LockFile(filepath)
lf._obtain_lock_or_raise()
fd = open(filepath, 'ab')
try:
fd.write(entry.format().encode(defenc))
finally:
fd.close()
lf._release_lock()
# END handle write operation
return entry
def utctz_to_altz(utctz):
"""we convert utctz to the timezone in seconds, it is the format time.altzone
returns. Git stores it as UTC timezone which has the opposite sign as well,
which explains the -1 * ( that was made explicit here )
:param utctz: git utc timezone string, i.e. +0200"""
return -1 * int(float(utctz) / 100 * 3600)
def __init__(self):
super(tzlocal, self).__init__()
self._std_offset = datetime.timedelta(seconds=-time.timezone)
if time.daylight:
self._dst_offset = datetime.timedelta(seconds=-time.altzone)
else:
self._dst_offset = self._std_offset
self._dst_saved = self._dst_offset - self._std_offset
self._hasdst = bool(self._dst_saved)
def _get_local_offset(self):
'''
Return the distance between GMT and the local timezone.
:rtype: int
'''
local_offset = time.timezone
if time.daylight:
local_offset = time.altzone
return -local_offset / 3600
def localtime(dt=None, isdst=-1):
"""Return local time as an aware datetime object.
If called without arguments, return current time. Otherwise *dt*
argument should be a datetime instance, and it is converted to the
local time zone according to the system time zone database. If *dt* is
naive (that is, dt.tzinfo is None), it is assumed to be in local time.
In this case, a positive or zero value for *isdst* causes localtime to
presume initially that summer time (for example, Daylight Saving Time)
is or is not (respectively) in effect for the specified time. A
negative value for *isdst* causes the localtime() function to attempt
to divine whether summer time is in effect for the specified time.
"""
if dt is None:
return datetime.datetime.now(datetime.timezone.utc).astimezone()
if dt.tzinfo is not None:
return dt.astimezone()
# We have a naive datetime. Convert to a (localtime) timetuple and pass to
# system mktime together with the isdst hint. System mktime will return
# seconds since epoch.
tm = dt.timetuple()[:-1] + (isdst,)
seconds = time.mktime(tm)
localtm = time.localtime(seconds)
try:
delta = datetime.timedelta(seconds=localtm.tm_gmtoff)
tz = datetime.timezone(delta, localtm.tm_zone)
except AttributeError:
# Compute UTC offset and compare with the value implied by tm_isdst.
# If the values match, use the zone name implied by tm_isdst.
delta = dt - datetime.datetime(*time.gmtime(seconds)[:6])
dst = time.daylight and localtm.tm_isdst > 0
gmtoff = -(time.altzone if dst else time.timezone)
if delta == datetime.timedelta(seconds=gmtoff):
tz = datetime.timezone(delta, time.tzname[dst])
else:
tz = datetime.timezone(delta)
return dt.replace(tzinfo=tz)
def GetDateTimeNative(strTime):
try:
parser = dateutil.parser()
is_dst = time.daylight and time.localtime().tm_isdst > 0
utc_offset = - (time.altzone if is_dst else time.timezone)
return (parser.parse(strTime) - datetime.timedelta(hours=Dict['ScheduleUtcOffset'])).replace(tzinfo=dateutil.tz.tzutc()).astimezone(dateutil.tz.tzlocal())
except:
Log.Error("GetDateTimeNative " + strTime)
def __init__(self):
self._std_offset = datetime.timedelta(seconds=-time.timezone)
if time.daylight:
self._dst_offset = datetime.timedelta(seconds=-time.altzone)
else:
self._dst_offset = self._std_offset
def test_localtime(self):
""" Test the display of local time. """
import time
from supvisors.utils import simple_localtime
time_shift = time.timezone if time.gmtime().tm_isdst else time.altzone
self.assertEqual('07:07:00', simple_localtime(1476947220.416198 + time_shift))
