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Update dateutil library 2.2 to 2.4.2 (a6b8925).

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JackDandy 2015-06-14 00:18:45 +01:00
parent 89b36d31f9
commit dd0b810a1d
10 changed files with 1531 additions and 651 deletions
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1
CHANGES.md
View file

@ -42,6 +42,7 @@
* Update Six compatibility library 1.5.2 to 1.9.0 (8a545f4)
* Update SimpleJSON library 2.0.9 to 3.7.3 (0bcdf20)
* Update xmltodict library 0.9.0 to 0.9.2 (579a005)
* Update dateutil library 2.2 to 2.4.2 (a6b8925)
[develop changelog]
* Update Requests library 2.7.0 (ab1f493) to 2.7.0 (8b5e457)

10
lib/dateutil/__init__.py
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@ -1,10 +1,2 @@
# -*- coding: utf-8 -*-
"""
Copyright (c) 2003-2010 Gustavo Niemeyer <gustavo@niemeyer.net>
This module offers extensions to the standard Python
datetime module.
"""
__author__ = "Tomi Pieviläinen <tomi.pievilainen@iki.fi>"
__license__ = "Simplified BSD"
__version__ = "2.2"
__version__ = "2.4.2"

36
lib/dateutil/easter.py
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@ -1,18 +1,17 @@
# -*- coding: utf-8 -*-
"""
Copyright (c) 2003-2007 Gustavo Niemeyer <gustavo@niemeyer.net>
This module offers extensions to the standard Python
datetime module.
This module offers a generic easter computing method for any given year, using
Western, Orthodox or Julian algorithms.
"""
__license__ = "Simplified BSD"
import datetime
__all__ = ["easter", "EASTER_JULIAN", "EASTER_ORTHODOX", "EASTER_WESTERN"]
EASTER_JULIAN = 1
EASTER_JULIAN = 1
EASTER_ORTHODOX = 2
EASTER_WESTERN = 3
EASTER_WESTERN = 3
def easter(year, method=EASTER_WESTERN):
"""
@ -24,7 +23,7 @@ def easter(year, method=EASTER_WESTERN):
This algorithm implements three different easter
calculation methods:
1 - Original calculation in Julian calendar, valid in
dates after 326 AD
2 - Original method, with date converted to Gregorian
@ -39,7 +38,7 @@ def easter(year, method=EASTER_WESTERN):
EASTER_WESTERN = 3
The default method is method 3.
More about the algorithm may be found at:
http://users.chariot.net.au/~gmarts/eastalg.htm
@ -68,24 +67,23 @@ def easter(year, method=EASTER_WESTERN):
e = 0
if method < 3:
# Old method
i = (19*g+15)%30
j = (y+y//4+i)%7
i = (19*g + 15) % 30
j = (y + y//4 + i) % 7
if method == 2:
# Extra dates to convert Julian to Gregorian date
e = 10
if y > 1600:
e = e+y//100-16-(y//100-16)//4
e = e + y//100 - 16 - (y//100 - 16)//4
else:
# New method
c = y//100
h = (c-c//4-(8*c+13)//25+19*g+15)%30
i = h-(h//28)*(1-(h//28)*(29//(h+1))*((21-g)//11))
j = (y+y//4+i+2-c+c//4)%7
h = (c - c//4 - (8*c + 13)//25 + 19*g + 15) % 30
i = h - (h//28)*(1 - (h//28)*(29//(h + 1))*((21 - g)//11))
j = (y + y//4 + i + 2 - c + c//4) % 7
# p can be from -6 to 56 corresponding to dates 22 March to 23 May
# (later dates apply to method 2, although 23 May never actually occurs)
p = i-j+e
d = 1+(p+27+(p+6)//40)%31
m = 3+(p+26)//30
p = i - j + e
d = 1 + (p + 27 + (p + 6)//40) % 31
m = 3 + (p + 26)//30
return datetime.date(int(y), int(m), int(d))

608
lib/dateutil/parser.py
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123
lib/dateutil/relativedelta.py
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@ -1,11 +1,4 @@
"""
Copyright (c) 2003-2010 Gustavo Niemeyer <gustavo@niemeyer.net>
This module offers extensions to the standard Python
datetime module.
"""
__license__ = "Simplified BSD"
# -*- coding: utf-8 -*-
import datetime
import calendar
@ -13,6 +6,7 @@ from six import integer_types
__all__ = ["relativedelta", "MO", "TU", "WE", "TH", "FR", "SA", "SU"]
class weekday(object):
__slots__ = ["weekday", "n"]
@ -43,25 +37,35 @@ class weekday(object):
MO, TU, WE, TH, FR, SA, SU = weekdays = tuple([weekday(x) for x in range(7)])
class relativedelta(object):
"""
The relativedelta type is based on the specification of the excelent
work done by M.-A. Lemburg in his mx.DateTime extension. However,
notice that this type does *NOT* implement the same algorithm as
The relativedelta type is based on the specification of the excellent
work done by M.-A. Lemburg in his
`mx.DateTime <http://www.egenix.com/files/python/mxDateTime.html>`_ extension.
However, notice that this type does *NOT* implement the same algorithm as
his work. Do *NOT* expect it to behave like mx.DateTime's counterpart.
There's two different ways to build a relativedelta instance. The
first one is passing it two date/datetime classes:
There are two different ways to build a relativedelta instance. The
first one is passing it two date/datetime classes::
relativedelta(datetime1, datetime2)
And the other way is to use the following keyword arguments:
The second one is passing it any number of the following keyword arguments::
relativedelta(arg1=x,arg2=y,arg3=z...)
year, month, day, hour, minute, second, microsecond:
Absolute information.
Absolute information (argument is singular); adding or subtracting a
relativedelta with absolute information does not perform an aritmetic
operation, but rather REPLACES the corresponding value in the
original datetime with the value(s) in relativedelta.
years, months, weeks, days, hours, minutes, seconds, microseconds:
Relative information, may be negative.
Relative information, may be negative (argument is plural); adding
or subtracting a relativedelta with relative information performs
the corresponding aritmetic operation on the original datetime value
with the information in the relativedelta.
weekday:
One of the weekday instances (MO, TU, etc). These instances may
@ -80,26 +84,26 @@ And the other way is to use the following keyword arguments:
Here is the behavior of operations with relativedelta:
1) Calculate the absolute year, using the 'year' argument, or the
1. Calculate the absolute year, using the 'year' argument, or the
original datetime year, if the argument is not present.
2) Add the relative 'years' argument to the absolute year.
2. Add the relative 'years' argument to the absolute year.
3) Do steps 1 and 2 for month/months.
3. Do steps 1 and 2 for month/months.
4) Calculate the absolute day, using the 'day' argument, or the
4. Calculate the absolute day, using the 'day' argument, or the
original datetime day, if the argument is not present. Then,
subtract from the day until it fits in the year and month
found after their operations.
5) Add the relative 'days' argument to the absolute day. Notice
5. Add the relative 'days' argument to the absolute day. Notice
that the 'weeks' argument is multiplied by 7 and added to
'days'.
6) Do steps 1 and 2 for hour/hours, minute/minutes, second/seconds,
6. Do steps 1 and 2 for hour/hours, minute/minutes, second/seconds,
microsecond/microseconds.
7) If the 'weekday' argument is present, calculate the weekday,
7. If the 'weekday' argument is present, calculate the weekday,
with the given (wday, nth) tuple. wday is the index of the
weekday (0-6, 0=Mon), and nth is the number of weeks to add
forward or backward, depending on its signal. Notice that if
@ -114,9 +118,14 @@ Here is the behavior of operations with relativedelta:
yearday=None, nlyearday=None,
hour=None, minute=None, second=None, microsecond=None):
if dt1 and dt2:
if (not isinstance(dt1, datetime.date)) or (not isinstance(dt2, datetime.date)):
# datetime is a subclass of date. So both must be date
if not (isinstance(dt1, datetime.date) and
isinstance(dt2, datetime.date)):
raise TypeError("relativedelta only diffs datetime/date")
if not type(dt1) == type(dt2): #isinstance(dt1, type(dt2)):
# We allow two dates, or two datetimes, so we coerce them to be
# of the same type
if (isinstance(dt1, datetime.datetime) !=
isinstance(dt2, datetime.datetime)):
if not isinstance(dt1, datetime.datetime):
dt1 = datetime.datetime.fromordinal(dt1.toordinal())
elif not isinstance(dt2, datetime.datetime):
@ -158,7 +167,7 @@ Here is the behavior of operations with relativedelta:
else:
self.years = years
self.months = months
self.days = days+weeks*7
self.days = days + weeks * 7
self.leapdays = leapdays
self.hours = hours
self.minutes = minutes
@ -185,7 +194,8 @@ Here is the behavior of operations with relativedelta:
if yearday > 59:
self.leapdays = -1
if yday:
ydayidx = [31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 366]
ydayidx = [31, 59, 90, 120, 151, 181, 212,
243, 273, 304, 334, 366]
for idx, ydays in enumerate(ydayidx):
if yday <= ydays:
self.month = idx+1
@ -225,13 +235,20 @@ Here is the behavior of operations with relativedelta:
div, mod = divmod(self.months*s, 12)
self.months = mod*s
self.years += div*s
if (self.hours or self.minutes or self.seconds or self.microseconds or
self.hour is not None or self.minute is not None or
self.second is not None or self.microsecond is not None):
if (self.hours or self.minutes or self.seconds or self.microseconds
or self.hour is not None or self.minute is not None or
self.second is not None or self.microsecond is not None):
self._has_time = 1
else:
self._has_time = 0
@property
def weeks(self):
return self.days // 7
@weeks.setter
def weeks(self, value):
self.days = self.days - (self.weeks * 7) + value*7
def _set_months(self, months):
self.months = months
if abs(self.months) > 11:
@ -244,22 +261,24 @@ Here is the behavior of operations with relativedelta:
def __add__(self, other):
if isinstance(other, relativedelta):
return relativedelta(years=other.years+self.years,
months=other.months+self.months,
days=other.days+self.days,
hours=other.hours+self.hours,
minutes=other.minutes+self.minutes,
seconds=other.seconds+self.seconds,
microseconds=other.microseconds+self.microseconds,
leapdays=other.leapdays or self.leapdays,
year=other.year or self.year,
month=other.month or self.month,
day=other.day or self.day,
weekday=other.weekday or self.weekday,
hour=other.hour or self.hour,
minute=other.minute or self.minute,
second=other.second or self.second,
microsecond=other.microsecond or self.microsecond)
return self.__class__(years=other.years+self.years,
months=other.months+self.months,
days=other.days+self.days,
hours=other.hours+self.hours,
minutes=other.minutes+self.minutes,
seconds=other.seconds+self.seconds,
microseconds=(other.microseconds +
self.microseconds),
leapdays=other.leapdays or self.leapdays,
year=other.year or self.year,
month=other.month or self.month,
day=other.day or self.day,
weekday=other.weekday or self.weekday,
hour=other.hour or self.hour,
minute=other.minute or self.minute,
second=other.second or self.second,
microsecond=(other.microsecond or
self.microsecond))
if not isinstance(other, datetime.date):
raise TypeError("unsupported type for add operation")
elif self._has_time and not isinstance(other, datetime.datetime):
@ -295,9 +314,9 @@ Here is the behavior of operations with relativedelta:
weekday, nth = self.weekday.weekday, self.weekday.n or 1
jumpdays = (abs(nth)-1)*7
if nth > 0:
jumpdays += (7-ret.weekday()+weekday)%7
jumpdays += (7-ret.weekday()+weekday) % 7
else:
jumpdays += (ret.weekday()-weekday)%7
jumpdays += (ret.weekday()-weekday) % 7
jumpdays *= -1
ret += datetime.timedelta(days=jumpdays)
return ret
@ -311,7 +330,7 @@ Here is the behavior of operations with relativedelta:
def __sub__(self, other):
if not isinstance(other, relativedelta):
raise TypeError("unsupported type for sub operation")
return relativedelta(years=self.years-other.years,
return self.__class__(years=self.years-other.years,
months=self.months-other.months,
days=self.days-other.days,
hours=self.hours-other.hours,
@ -329,7 +348,7 @@ Here is the behavior of operations with relativedelta:
microsecond=self.microsecond or other.microsecond)
def __neg__(self):
return relativedelta(years=-self.years,
return self.__class__(years=-self.years,
months=-self.months,
days=-self.days,
hours=-self.hours,
@ -363,10 +382,12 @@ Here is the behavior of operations with relativedelta:
self.minute is None and
self.second is None and
self.microsecond is None)
# Compatibility with Python 2.x
__nonzero__ = __bool__
def __mul__(self, other):
f = float(other)
return relativedelta(years=int(self.years*f),
return self.__class__(years=int(self.years*f),
months=int(self.months*f),
days=int(self.days*f),
hours=int(self.hours*f),

816
lib/dateutil/rrule.py
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File diff suppressed because it is too large Load diff

324
lib/dateutil/tz.py
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@ -1,19 +1,25 @@
# -*- coding: utf-8 -*-
"""
Copyright (c) 2003-2007 Gustavo Niemeyer <gustavo@niemeyer.net>
This module offers extensions to the standard Python
datetime module.
This module offers timezone implementations subclassing the abstract
:py:`datetime.tzinfo` type. There are classes to handle tzfile format files
(usually are in :file:`/etc/localtime`, :file:`/usr/share/zoneinfo`, etc), TZ
environment string (in all known formats), given ranges (with help from
relative deltas), local machine timezone, fixed offset timezone, and UTC
timezone.
"""
__license__ = "Simplified BSD"
from six import string_types, PY3
import datetime
import struct
import time
import sys
import os
from six import string_types, PY3
try:
from dateutil.tzwin import tzwin, tzwinlocal
except ImportError:
tzwin = tzwinlocal = None
relativedelta = None
parser = None
rrule = None
@ -21,32 +27,31 @@ rrule = None
__all__ = ["tzutc", "tzoffset", "tzlocal", "tzfile", "tzrange",
"tzstr", "tzical", "tzwin", "tzwinlocal", "gettz"]
try:
from dateutil.tzwin import tzwin, tzwinlocal
except (ImportError, OSError):
tzwin, tzwinlocal = None, None
def tzname_in_python2(myfunc):
def tzname_in_python2(namefunc):
"""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 adjust_encoding(*args, **kwargs):
name = namefunc(*args, **kwargs)
if name is not None and not PY3:
name = name.encode()
return name
return adjust_encoding
ZERO = datetime.timedelta(0)
EPOCHORDINAL = datetime.datetime.utcfromtimestamp(0).toordinal()
class tzutc(datetime.tzinfo):
def utcoffset(self, dt):
return ZERO
def dst(self, dt):
return ZERO
@ -66,6 +71,7 @@ class tzutc(datetime.tzinfo):
__reduce__ = object.__reduce__
class tzoffset(datetime.tzinfo):
def __init__(self, name, offset):
@ -96,6 +102,7 @@ class tzoffset(datetime.tzinfo):
__reduce__ = object.__reduce__
class tzlocal(datetime.tzinfo):
_std_offset = datetime.timedelta(seconds=-time.timezone)
@ -123,25 +130,25 @@ class tzlocal(datetime.tzinfo):
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'
# >>> 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:
#
@ -166,6 +173,7 @@ class tzlocal(datetime.tzinfo):
__reduce__ = object.__reduce__
class _ttinfo(object):
__slots__ = ["offset", "delta", "isdst", "abbr", "isstd", "isgmt"]
@ -205,15 +213,20 @@ class _ttinfo(object):
if name in state:
setattr(self, name, state[name])
class tzfile(datetime.tzinfo):
# http://www.twinsun.com/tz/tz-link.htm
# ftp://ftp.iana.org/tz/tz*.tar.gz
def __init__(self, fileobj):
def __init__(self, fileobj, filename=None):
file_opened_here = False
if isinstance(fileobj, string_types):
self._filename = fileobj
fileobj = open(fileobj, 'rb')
file_opened_here = True
elif filename is not None:
self._filename = filename
elif hasattr(fileobj, "name"):
self._filename = fileobj.name
else:
@ -228,125 +241,128 @@ class tzfile(datetime.tzinfo):
# six four-byte values of type long, written in a
# ``standard'' byte order (the high-order byte
# of the value is written first).
try:
if fileobj.read(4).decode() != "TZif":
raise ValueError("magic not found")
if fileobj.read(4).decode() != "TZif":
raise ValueError("magic not found")
fileobj.read(16)
fileobj.read(16)
(
# The number of UTC/local indicators stored in the file.
ttisgmtcnt,
(
# The number of UTC/local indicators stored in the file.
ttisgmtcnt,
# The number of standard/wall indicators stored in the file.
ttisstdcnt,
# The number of standard/wall indicators stored in the file.
ttisstdcnt,
# The number of leap seconds for which data is
# stored in the file.
leapcnt,
# The number of leap seconds for which data is
# stored in the file.
leapcnt,
# The number of "transition times" for which data
# is stored in the file.
timecnt,
# The number of "transition times" for which data
# is stored in the file.
timecnt,
# The number of "local time types" for which data
# is stored in the file (must not be zero).
typecnt,
# The number of "local time types" for which data
# is stored in the file (must not be zero).
typecnt,
# The number of characters of "time zone
# abbreviation strings" stored in the file.
charcnt,
# The number of characters of "time zone
# abbreviation strings" stored in the file.
charcnt,
) = struct.unpack(">6l", fileobj.read(24))
) = struct.unpack(">6l", fileobj.read(24))
# The above header is followed by tzh_timecnt four-byte
# values of type long, sorted in ascending order.
# These values are written in ``standard'' byte order.
# Each is used as a transition time (as returned by
# time(2)) at which the rules for computing local time
# change.
# The above header is followed by tzh_timecnt four-byte
# values of type long, sorted in ascending order.
# These values are written in ``standard'' byte order.
# Each is used as a transition time (as returned by
# time(2)) at which the rules for computing local time
# change.
if timecnt:
self._trans_list = struct.unpack(">%dl" % timecnt,
fileobj.read(timecnt*4))
else:
self._trans_list = []
if timecnt:
self._trans_list = struct.unpack(">%dl" % timecnt,
fileobj.read(timecnt*4))
else:
self._trans_list = []
# Next come tzh_timecnt one-byte values of type unsigned
# char; each one tells which of the different types of
# ``local time'' types described in the file is associated
# with the same-indexed transition time. These values
# serve as indices into an array of ttinfo structures that
# appears next in the file.
if timecnt:
self._trans_idx = struct.unpack(">%dB" % timecnt,
fileobj.read(timecnt))
else:
self._trans_idx = []
# Each ttinfo structure is written as a four-byte value
# for tt_gmtoff of type long, in a standard byte
# order, followed by a one-byte value for tt_isdst
# and a one-byte value for tt_abbrind. In each
# structure, tt_gmtoff gives the number of
# seconds to be added to UTC, tt_isdst tells whether
# tm_isdst should be set by localtime(3), and
# tt_abbrind serves as an index into the array of
# time zone abbreviation characters that follow the
# ttinfo structure(s) in the file.
# Next come tzh_timecnt one-byte values of type unsigned
# char; each one tells which of the different types of
# ``local time'' types described in the file is associated
# with the same-indexed transition time. These values
# serve as indices into an array of ttinfo structures that
# appears next in the file.
ttinfo = []
if timecnt:
self._trans_idx = struct.unpack(">%dB" % timecnt,
fileobj.read(timecnt))
else:
self._trans_idx = []
for i in range(typecnt):
ttinfo.append(struct.unpack(">lbb", fileobj.read(6)))
# Each ttinfo structure is written as a four-byte value
# for tt_gmtoff of type long, in a standard byte
# order, followed by a one-byte value for tt_isdst
# and a one-byte value for tt_abbrind. In each
# structure, tt_gmtoff gives the number of
# seconds to be added to UTC, tt_isdst tells whether
# tm_isdst should be set by localtime(3), and
# tt_abbrind serves as an index into the array of
# time zone abbreviation characters that follow the
# ttinfo structure(s) in the file.
abbr = fileobj.read(charcnt).decode()
ttinfo = []
# Then there are tzh_leapcnt pairs of four-byte
# values, written in standard byte order; the
# first value of each pair gives the time (as
# returned by time(2)) at which a leap second
# occurs; the second gives the total number of
# leap seconds to be applied after the given time.
# The pairs of values are sorted in ascending order
# by time.
for i in range(typecnt):
ttinfo.append(struct.unpack(">lbb", fileobj.read(6)))
# Not used, for now
if leapcnt:
leap = struct.unpack(">%dl" % (leapcnt*2),
fileobj.read(leapcnt*8))
abbr = fileobj.read(charcnt).decode()
# Then there are tzh_ttisstdcnt standard/wall
# indicators, each stored as a one-byte value;
# they tell whether the transition times associated
# with local time types were specified as standard
# time or wall clock time, and are used when
# a time zone file is used in handling POSIX-style
# time zone environment variables.
# Then there are tzh_leapcnt pairs of four-byte
# values, written in standard byte order; the
# first value of each pair gives the time (as
# returned by time(2)) at which a leap second
# occurs; the second gives the total number of
# leap seconds to be applied after the given time.
# The pairs of values are sorted in ascending order
# by time.
if ttisstdcnt:
isstd = struct.unpack(">%db" % ttisstdcnt,
fileobj.read(ttisstdcnt))
# Not used, for now
# if leapcnt:
# leap = struct.unpack(">%dl" % (leapcnt*2),
# fileobj.read(leapcnt*8))
# Finally, there are tzh_ttisgmtcnt UTC/local
# indicators, each stored as a one-byte value;
# they tell whether the transition times associated
# with local time types were specified as UTC or
# local time, and are used when a time zone file
# is used in handling POSIX-style time zone envi-
# ronment variables.
# Then there are tzh_ttisstdcnt standard/wall
# indicators, each stored as a one-byte value;
# they tell whether the transition times associated
# with local time types were specified as standard
# time or wall clock time, and are used when
# a time zone file is used in handling POSIX-style
# time zone environment variables.
if ttisgmtcnt:
isgmt = struct.unpack(">%db" % ttisgmtcnt,
fileobj.read(ttisgmtcnt))
if ttisstdcnt:
isstd = struct.unpack(">%db" % ttisstdcnt,
fileobj.read(ttisstdcnt))
# ** Everything has been read **
# Finally, there are tzh_ttisgmtcnt UTC/local
# indicators, each stored as a one-byte value;
# they tell whether the transition times associated
# with local time types were specified as UTC or
# local time, and are used when a time zone file
# is used in handling POSIX-style time zone envi-
# ronment variables.
if ttisgmtcnt:
isgmt = struct.unpack(">%db" % ttisgmtcnt,
fileobj.read(ttisgmtcnt))
# ** Everything has been read **
finally:
if file_opened_here:
fileobj.close()
# Build ttinfo list
self._ttinfo_list = []
for i in range(typecnt):
gmtoff, isdst, abbrind = ttinfo[i]
gmtoff, isdst, abbrind = ttinfo[i]
# Round to full-minutes if that's not the case. Python's
# datetime doesn't accept sub-minute timezones. Check
# http://python.org/sf/1447945 for some information.
@ -464,7 +480,7 @@ class tzfile(datetime.tzinfo):
# However, this class stores historical changes in the
# dst offset, so I belive that this wouldn't be the right
# way to implement this.
@tzname_in_python2
def tzname(self, dt):
if not self._ttinfo_std:
@ -481,7 +497,6 @@ class tzfile(datetime.tzinfo):
def __ne__(self, other):
return not self.__eq__(other)
def __repr__(self):
return "%s(%s)" % (self.__class__.__name__, repr(self._filename))
@ -490,8 +505,8 @@ class tzfile(datetime.tzinfo):
raise ValueError("Unpickable %s class" % self.__class__.__name__)
return (self.__class__, (self._filename,))
class tzrange(datetime.tzinfo):
class tzrange(datetime.tzinfo):
def __init__(self, stdabbr, stdoffset=None,
dstabbr=None, dstoffset=None,
start=None, end=None):
@ -512,12 +527,12 @@ class tzrange(datetime.tzinfo):
self._dst_offset = ZERO
if dstabbr and start is None:
self._start_delta = relativedelta.relativedelta(
hours=+2, month=4, day=1, weekday=relativedelta.SU(+1))
hours=+2, month=4, day=1, weekday=relativedelta.SU(+1))
else:
self._start_delta = start
if dstabbr and end is None:
self._end_delta = relativedelta.relativedelta(
hours=+1, month=10, day=31, weekday=relativedelta.SU(-1))
hours=+1, month=10, day=31, weekday=relativedelta.SU(-1))
else:
self._end_delta = end
@ -570,8 +585,9 @@ class tzrange(datetime.tzinfo):
__reduce__ = object.__reduce__
class tzstr(tzrange):
def __init__(self, s):
global parser
if not parser:
@ -645,9 +661,10 @@ class tzstr(tzrange):
def __repr__(self):
return "%s(%s)" % (self.__class__.__name__, repr(self._s))
class _tzicalvtzcomp(object):
def __init__(self, tzoffsetfrom, tzoffsetto, isdst,
tzname=None, rrule=None):
tzname=None, rrule=None):
self.tzoffsetfrom = datetime.timedelta(seconds=tzoffsetfrom)
self.tzoffsetto = datetime.timedelta(seconds=tzoffsetto)
self.tzoffsetdiff = self.tzoffsetto-self.tzoffsetfrom
@ -655,6 +672,7 @@ class _tzicalvtzcomp(object):
self.tzname = tzname
self.rrule = rrule
class _tzicalvtz(datetime.tzinfo):
def __init__(self, tzid, comps=[]):
self._tzid = tzid
@ -718,6 +736,7 @@ class _tzicalvtz(datetime.tzinfo):
__reduce__ = object.__reduce__
class tzical(object):
def __init__(self, fileobj):
global rrule
@ -726,7 +745,8 @@ class tzical(object):
if isinstance(fileobj, string_types):
self._s = fileobj
fileobj = open(fileobj, 'r') # ical should be encoded in UTF-8 with CRLF
# ical should be encoded in UTF-8 with CRLF
fileobj = open(fileobj, 'r')
elif hasattr(fileobj, "name"):
self._s = fileobj.name
else:
@ -754,7 +774,7 @@ class tzical(object):
if not s:
raise ValueError("empty offset")
if s[0] in ('+', '-'):
signal = (-1, +1)[s[0]=='+']
signal = (-1, +1)[s[0] == '+']
s = s[1:]
else:
signal = +1
@ -815,7 +835,8 @@ class tzical(object):
if not tzid:
raise ValueError("mandatory TZID not found")
if not comps:
raise ValueError("at least one component is needed")
raise ValueError(
"at least one component is needed")
# Process vtimezone
self._vtz[tzid] = _tzicalvtz(tzid, comps)
invtz = False
@ -823,9 +844,11 @@ class tzical(object):
if not founddtstart:
raise ValueError("mandatory DTSTART not found")
if tzoffsetfrom is None:
raise ValueError("mandatory TZOFFSETFROM not found")
raise ValueError(
"mandatory TZOFFSETFROM not found")
if tzoffsetto is None:
raise ValueError("mandatory TZOFFSETFROM not found")
raise ValueError(
"mandatory TZOFFSETFROM not found")
# Process component
rr = None
if rrulelines:
@ -848,15 +871,18 @@ class tzical(object):
rrulelines.append(line)
elif name == "TZOFFSETFROM":
if parms:
raise ValueError("unsupported %s parm: %s "%(name, parms[0]))
raise ValueError(
"unsupported %s parm: %s " % (name, parms[0]))
tzoffsetfrom = self._parse_offset(value)
elif name == "TZOFFSETTO":
if parms:
raise ValueError("unsupported TZOFFSETTO parm: "+parms[0])
raise ValueError(
"unsupported TZOFFSETTO parm: "+parms[0])
tzoffsetto = self._parse_offset(value)
elif name == "TZNAME":
if parms:
raise ValueError("unsupported TZNAME parm: "+parms[0])
raise ValueError(
"unsupported TZNAME parm: "+parms[0])
tzname = value
elif name == "COMMENT":
pass
@ -865,7 +891,8 @@ class tzical(object):
else:
if name == "TZID":
if parms:
raise ValueError("unsupported TZID parm: "+parms[0])
raise ValueError(
"unsupported TZID parm: "+parms[0])
tzid = value
elif name in ("TZURL", "LAST-MODIFIED", "COMMENT"):
pass
@ -886,6 +913,7 @@ else:
TZFILES = []
TZPATHS = []
def gettz(name=None):
tz = None
if not name:
@ -933,11 +961,11 @@ def gettz(name=None):
pass
else:
tz = None
if tzwin:
if tzwin is not None:
try:
tz = tzwin(name)
except OSError:
pass
except WindowsError:
tz = None
if not tz:
from dateutil.zoneinfo import gettz
tz = gettz(name)

85
lib/dateutil/tzwin.py
View file

@ -1,8 +1,8 @@
# This code was originally contributed by Jeffrey Harris.
import datetime
import struct
import winreg
from six.moves import winreg
__all__ = ["tzwin", "tzwinlocal"]
@ -12,8 +12,8 @@ TZKEYNAMENT = r"SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones"
TZKEYNAME9X = r"SOFTWARE\Microsoft\Windows\CurrentVersion\Time Zones"
TZLOCALKEYNAME = r"SYSTEM\CurrentControlSet\Control\TimeZoneInformation"
def _settzkeyname():
global TZKEYNAME
handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
try:
winreg.OpenKey(handle, TZKEYNAMENT).Close()
@ -21,8 +21,10 @@ def _settzkeyname():
except WindowsError:
TZKEYNAME = TZKEYNAME9X
handle.Close()
return TZKEYNAME
TZKEYNAME = _settzkeyname()
_settzkeyname()
class tzwinbase(datetime.tzinfo):
"""tzinfo class based on win32's timezones available in the registry."""
@ -39,7 +41,7 @@ class tzwinbase(datetime.tzinfo):
return datetime.timedelta(minutes=minutes)
else:
return datetime.timedelta(0)
def tzname(self, dt):
if self._isdst(dt):
return self._dstname
@ -59,8 +61,11 @@ class tzwinbase(datetime.tzinfo):
def display(self):
return self._display
def _isdst(self, dt):
if not self._dstmonth:
# dstmonth == 0 signals the zone has no daylight saving time
return False
dston = picknthweekday(dt.year, self._dstmonth, self._dstdayofweek,
self._dsthour, self._dstminute,
self._dstweeknumber)
@ -78,31 +83,33 @@ class tzwin(tzwinbase):
def __init__(self, name):
self._name = name
handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
tzkey = winreg.OpenKey(handle, "%s\%s" % (TZKEYNAME, name))
keydict = valuestodict(tzkey)
tzkey.Close()
handle.Close()
# multiple contexts only possible in 2.7 and 3.1, we still support 2.6
with winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) as handle:
with winreg.OpenKey(handle,
"%s\%s" % (TZKEYNAME, name)) as tzkey:
keydict = valuestodict(tzkey)
self._stdname = keydict["Std"].encode("iso-8859-1")
self._dstname = keydict["Dlt"].encode("iso-8859-1")
self._display = keydict["Display"]
# See http://ww_winreg.jsiinc.com/SUBA/tip0300/rh0398.htm
tup = struct.unpack("=3l16h", keydict["TZI"])
self._stdoffset = -tup[0]-tup[1] # Bias + StandardBias * -1
self._dstoffset = self._stdoffset-tup[2] # + DaylightBias * -1
self._stdoffset = -tup[0]-tup[1] # Bias + StandardBias * -1
self._dstoffset = self._stdoffset-tup[2] # + DaylightBias * -1
# for the meaning see the win32 TIME_ZONE_INFORMATION structure docs
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms725481(v=vs.85).aspx
(self._stdmonth,
self._stddayofweek, # Sunday = 0
self._stdweeknumber, # Last = 5
self._stddayofweek, # Sunday = 0
self._stdweeknumber, # Last = 5
self._stdhour,
self._stdminute) = tup[4:9]
(self._dstmonth,
self._dstdayofweek, # Sunday = 0
self._dstweeknumber, # Last = 5
self._dstdayofweek, # Sunday = 0
self._dstweeknumber, # Last = 5
self._dsthour,
self._dstminute) = tup[12:17]
@ -114,61 +121,59 @@ class tzwin(tzwinbase):
class tzwinlocal(tzwinbase):
def __init__(self):
handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
with winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) as handle:
tzlocalkey = winreg.OpenKey(handle, TZLOCALKEYNAME)
keydict = valuestodict(tzlocalkey)
tzlocalkey.Close()
with winreg.OpenKey(handle, TZLOCALKEYNAME) as tzlocalkey:
keydict = valuestodict(tzlocalkey)
self._stdname = keydict["StandardName"].encode("iso-8859-1")
self._dstname = keydict["DaylightName"].encode("iso-8859-1")
self._stdname = keydict["StandardName"].encode("iso-8859-1")
self._dstname = keydict["DaylightName"].encode("iso-8859-1")
try:
tzkey = winreg.OpenKey(handle, "%s\%s"%(TZKEYNAME, self._stdname))
_keydict = valuestodict(tzkey)
self._display = _keydict["Display"]
tzkey.Close()
except OSError:
self._display = None
try:
with winreg.OpenKey(
handle, "%s\%s" % (TZKEYNAME, self._stdname)) as tzkey:
_keydict = valuestodict(tzkey)
self._display = _keydict["Display"]
except OSError:
self._display = None
handle.Close()
self._stdoffset = -keydict["Bias"]-keydict["StandardBias"]
self._dstoffset = self._stdoffset-keydict["DaylightBias"]
# See http://ww_winreg.jsiinc.com/SUBA/tip0300/rh0398.htm
tup = struct.unpack("=8h", keydict["StandardStart"])
(self._stdmonth,
self._stddayofweek, # Sunday = 0
self._stdweeknumber, # Last = 5
self._stddayofweek, # Sunday = 0
self._stdweeknumber, # Last = 5
self._stdhour,
self._stdminute) = tup[1:6]
tup = struct.unpack("=8h", keydict["DaylightStart"])
(self._dstmonth,
self._dstdayofweek, # Sunday = 0
self._dstweeknumber, # Last = 5
self._dstdayofweek, # Sunday = 0
self._dstweeknumber, # Last = 5
self._dsthour,
self._dstminute) = tup[1:6]
def __reduce__(self):
return (self.__class__, ())
def picknthweekday(year, month, dayofweek, hour, minute, whichweek):
"""dayofweek == 0 means Sunday, whichweek 5 means last instance"""
first = datetime.datetime(year, month, 1, hour, minute)
weekdayone = first.replace(day=((dayofweek-first.isoweekday())%7+1))
weekdayone = first.replace(day=((dayofweek-first.isoweekday()) % 7+1))
for n in range(whichweek):
dt = weekdayone+(whichweek-n)*ONEWEEK
if dt.month == month:
return dt
def valuestodict(key):
"""Convert a registry key's values to a dictionary."""
dict = {}

1
lib/dateutil/zoneinfo/.gitignore vendored
View file

@ -1 +0,0 @@
*.tar.gz

178
lib/dateutil/zoneinfo/__init__.py
View file

@ -1,109 +1,135 @@
# -*- coding: utf-8 -*-
"""
Copyright (c) 2003-2005 Gustavo Niemeyer <gustavo@niemeyer.net>
This module offers extensions to the standard Python
datetime module.
"""
import logging
import os
from subprocess import call
import warnings
import tempfile
import shutil
import json
from subprocess import check_call
from tarfile import TarFile
from pkgutil import get_data
from io import BytesIO
from contextlib import closing
from dateutil.tz import tzfile
__author__ = "Tomi Pieviläinen <tomi.pievilainen@iki.fi>"
__license__ = "Simplified BSD"
__all__ = ["gettz", "gettz_db_metadata", "rebuild"]
__all__ = ["setcachesize", "gettz", "rebuild"]
_ZONEFILENAME = "dateutil-zoneinfo.tar.gz"
_METADATA_FN = 'METADATA'
# python2.6 compatability. Note that TarFile.__exit__ != TarFile.close, but
# it's close enough for python2.6
_tar_open = TarFile.open
if not hasattr(TarFile, '__exit__'):
def _tar_open(*args, **kwargs):
return closing(TarFile.open(*args, **kwargs))
CACHE = []
CACHESIZE = 10
class tzfile(tzfile):
def __reduce__(self):
return (gettz, (self._filename,))
def getzoneinfofile():
filenames = sorted(os.listdir(os.path.join(os.path.dirname(__file__))))
filenames.reverse()
for entry in filenames:
if entry.startswith("zoneinfo") and ".tar." in entry:
return os.path.join(os.path.dirname(__file__), entry)
return None
ZONEINFOFILE = getzoneinfofile()
def getzoneinfofile_stream():
try:
return BytesIO(get_data(__name__, _ZONEFILENAME))
except IOError as e: # TODO switch to FileNotFoundError?
warnings.warn("I/O error({0}): {1}".format(e.errno, e.strerror))
return None
del getzoneinfofile
def setcachesize(size):
global CACHESIZE, CACHE
CACHESIZE = size
del CACHE[size:]
class ZoneInfoFile(object):
def __init__(self, zonefile_stream=None):
if zonefile_stream is not None:
with _tar_open(fileobj=zonefile_stream, mode='r') as tf:
# dict comprehension does not work on python2.6
# TODO: get back to the nicer syntax when we ditch python2.6
# self.zones = {zf.name: tzfile(tf.extractfile(zf),
# filename = zf.name)
# for zf in tf.getmembers() if zf.isfile()}
self.zones = dict((zf.name, tzfile(tf.extractfile(zf),
filename=zf.name))
for zf in tf.getmembers()
if zf.isfile() and zf.name != _METADATA_FN)
# deal with links: They'll point to their parent object. Less
# waste of memory
# links = {zl.name: self.zones[zl.linkname]
# for zl in tf.getmembers() if zl.islnk() or zl.issym()}
links = dict((zl.name, self.zones[zl.linkname])
for zl in tf.getmembers() if
zl.islnk() or zl.issym())
self.zones.update(links)
try:
metadata_json = tf.extractfile(tf.getmember(_METADATA_FN))
metadata_str = metadata_json.read().decode('UTF-8')
self.metadata = json.loads(metadata_str)
except KeyError:
# no metadata in tar file
self.metadata = None
else:
self.zones = dict()
self.metadata = None
# The current API has gettz as a module function, although in fact it taps into
# a stateful class. So as a workaround for now, without changing the API, we
# will create a new "global" class instance the first time a user requests a
# timezone. Ugly, but adheres to the api.
#
# TODO: deprecate this.
_CLASS_ZONE_INSTANCE = list()
def gettz(name):
tzinfo = None
if ZONEINFOFILE:
for cachedname, tzinfo in CACHE:
if cachedname == name:
break
else:
tf = TarFile.open(ZONEINFOFILE)
try:
zonefile = tf.extractfile(name)
except KeyError:
tzinfo = None
else:
tzinfo = tzfile(zonefile)
tf.close()
CACHE.insert(0, (name, tzinfo))
del CACHE[CACHESIZE:]
return tzinfo
if len(_CLASS_ZONE_INSTANCE) == 0:
_CLASS_ZONE_INSTANCE.append(ZoneInfoFile(getzoneinfofile_stream()))
return _CLASS_ZONE_INSTANCE[0].zones.get(name)
def rebuild(filename, tag=None, format="gz"):
def gettz_db_metadata():
""" Get the zonefile metadata
See `zonefile_metadata`_
:returns: A dictionary with the database metadata
"""
if len(_CLASS_ZONE_INSTANCE) == 0:
_CLASS_ZONE_INSTANCE.append(ZoneInfoFile(getzoneinfofile_stream()))
return _CLASS_ZONE_INSTANCE[0].metadata
def rebuild(filename, tag=None, format="gz", zonegroups=[], metadata=None):
"""Rebuild the internal timezone info in dateutil/zoneinfo/zoneinfo*tar*
filename is the timezone tarball from ftp.iana.org/tz.
"""
import tempfile, shutil
tmpdir = tempfile.mkdtemp()
zonedir = os.path.join(tmpdir, "zoneinfo")
moduledir = os.path.dirname(__file__)
if tag: tag = "-"+tag
targetname = "zoneinfo%s.tar.%s" % (tag, format)
try:
tf = TarFile.open(filename)
# The "backwards" zone file contains links to other files, so must be
# processed as last
for name in sorted(tf.getnames(),
key=lambda k: k != "backward" and k or "z"):
if not (name.endswith(".sh") or
name.endswith(".tab") or
name == "leapseconds"):
with _tar_open(filename) as tf:
for name in zonegroups:
tf.extract(name, tmpdir)
filepath = os.path.join(tmpdir, name)
try:
# zic will return errors for nontz files in the package
# such as the Makefile or README, so check_call cannot
# be used (or at least extra checks would be needed)
call(["zic", "-d", zonedir, filepath])
except OSError as e:
if e.errno == 2:
logging.error(
"Could not find zic. Perhaps you need to install "
"libc-bin or some other package that provides it, "
"or it's not in your PATH?")
filepaths = [os.path.join(tmpdir, n) for n in zonegroups]
try:
check_call(["zic", "-d", zonedir] + filepaths)
except OSError as e:
if e.errno == 2:
logging.error(
"Could not find zic. Perhaps you need to install "
"libc-bin or some other package that provides it, "
"or it's not in your PATH?")
raise
tf.close()
target = os.path.join(moduledir, targetname)
for entry in os.listdir(moduledir):
if entry.startswith("zoneinfo") and ".tar." in entry:
os.unlink(os.path.join(moduledir, entry))
tf = TarFile.open(target, "w:%s" % format)
for entry in os.listdir(zonedir):
entrypath = os.path.join(zonedir, entry)
tf.add(entrypath, entry)
tf.close()
# write metadata file
with open(os.path.join(zonedir, _METADATA_FN), 'w') as f:
json.dump(metadata, f, indent=4, sort_keys=True)
target = os.path.join(moduledir, _ZONEFILENAME)
with _tar_open(target, "w:%s" % format) as tf:
for entry in os.listdir(zonedir):
entrypath = os.path.join(zonedir, entry)
tf.add(entrypath, entry)
finally:
shutil.rmtree(tmpdir)