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bazarr/libs/js2py/constructors/jsdate.py

405 lines
11 KiB
Python

from ..base import *
from .time_helpers import *
TZ_OFFSET = (time.altzone // 3600)
ABS_OFFSET = abs(TZ_OFFSET)
TZ_NAME = time.tzname[1]
ISO_FORMAT = '%s-%s-%sT%s:%s:%s.%sZ'
@Js
def Date(year, month, date, hours, minutes, seconds, ms):
return now().to_string()
Date.Class = 'Date'
def now():
return PyJsDate(int(time.time() * 1000), prototype=DatePrototype)
@Js
def UTC(year, month, date, hours, minutes, seconds, ms): # todo complete this
args = arguments
y = args[0].to_number()
m = args[1].to_number()
l = len(args)
dt = args[2].to_number() if l > 2 else Js(1)
h = args[3].to_number() if l > 3 else Js(0)
mi = args[4].to_number() if l > 4 else Js(0)
sec = args[5].to_number() if l > 5 else Js(0)
mili = args[6].to_number() if l > 6 else Js(0)
if not y.is_nan() and 0 <= y.value <= 99:
y = y + Js(1900)
t = TimeClip(MakeDate(MakeDay(y, m, dt), MakeTime(h, mi, sec, mili)))
return PyJsDate(t, prototype=DatePrototype)
@Js
def parse(string):
return PyJsDate(
TimeClip(parse_date(string.to_string().value)),
prototype=DatePrototype)
Date.define_own_property('now', {
'value': Js(now),
'enumerable': False,
'writable': True,
'configurable': True
})
Date.define_own_property('parse', {
'value': parse,
'enumerable': False,
'writable': True,
'configurable': True
})
Date.define_own_property('UTC', {
'value': UTC,
'enumerable': False,
'writable': True,
'configurable': True
})
class PyJsDate(PyJs):
Class = 'Date'
extensible = True
def __init__(self, value, prototype=None):
self.value = value
self.own = {}
self.prototype = prototype
# todo fix this problematic datetime part
def to_local_dt(self):
return datetime.datetime.utcfromtimestamp(
UTCToLocal(self.value) // 1000)
def to_utc_dt(self):
return datetime.datetime.utcfromtimestamp(self.value // 1000)
def local_strftime(self, pattern):
if self.value is NaN:
return 'Invalid Date'
try:
dt = self.to_local_dt()
except:
raise MakeError(
'TypeError',
'unsupported date range. Will fix in future versions')
try:
return dt.strftime(pattern)
except:
raise MakeError(
'TypeError',
'Could not generate date string from this date (limitations of python.datetime)'
)
def utc_strftime(self, pattern):
if self.value is NaN:
return 'Invalid Date'
try:
dt = self.to_utc_dt()
except:
raise MakeError(
'TypeError',
'unsupported date range. Will fix in future versions')
try:
return dt.strftime(pattern)
except:
raise MakeError(
'TypeError',
'Could not generate date string from this date (limitations of python.datetime)'
)
def parse_date(py_string): # todo support all date string formats
try:
try:
dt = datetime.datetime.strptime(py_string, "%Y-%m-%dT%H:%M:%S.%fZ")
except:
dt = datetime.datetime.strptime(py_string, "%Y-%m-%dT%H:%M:%SZ")
return MakeDate(
MakeDay(Js(dt.year), Js(dt.month - 1), Js(dt.day)),
MakeTime(
Js(dt.hour), Js(dt.minute), Js(dt.second),
Js(dt.microsecond // 1000)))
except:
raise MakeError(
'TypeError',
'Could not parse date %s - unsupported date format. Currently only supported format is RFC3339 utc. Sorry!'
% py_string)
def date_constructor(*args):
if len(args) >= 2:
return date_constructor2(*args)
elif len(args) == 1:
return date_constructor1(args[0])
else:
return date_constructor0()
def date_constructor0():
return now()
def date_constructor1(value):
v = value.to_primitive()
if v._type() == 'String':
v = parse_date(v.value)
else:
v = v.to_int()
return PyJsDate(TimeClip(v), prototype=DatePrototype)
def date_constructor2(*args):
y = args[0].to_number()
m = args[1].to_number()
l = len(args)
dt = args[2].to_number() if l > 2 else Js(1)
h = args[3].to_number() if l > 3 else Js(0)
mi = args[4].to_number() if l > 4 else Js(0)
sec = args[5].to_number() if l > 5 else Js(0)
mili = args[6].to_number() if l > 6 else Js(0)
if not y.is_nan() and 0 <= y.value <= 99:
y = y + Js(1900)
t = TimeClip(
LocalToUTC(MakeDate(MakeDay(y, m, dt), MakeTime(h, mi, sec, mili))))
return PyJsDate(t, prototype=DatePrototype)
Date.create = date_constructor
DatePrototype = PyJsDate(float('nan'), prototype=ObjectPrototype)
def check_date(obj):
if obj.Class != 'Date':
raise MakeError('TypeError', 'this is not a Date object')
class DateProto:
def toString():
check_date(this)
if this.value is NaN:
return 'Invalid Date'
offset = (UTCToLocal(this.value) - this.value) // msPerHour
return this.local_strftime(
'%a %b %d %Y %H:%M:%S GMT') + '%s00 (%s)' % (pad(
offset, 2, True), GetTimeZoneName(this.value))
def toDateString():
check_date(this)
return this.local_strftime('%d %B %Y')
def toTimeString():
check_date(this)
return this.local_strftime('%H:%M:%S')
def toLocaleString():
check_date(this)
return this.local_strftime('%d %B %Y %H:%M:%S')
def toLocaleDateString():
check_date(this)
return this.local_strftime('%d %B %Y')
def toLocaleTimeString():
check_date(this)
return this.local_strftime('%H:%M:%S')
def valueOf():
check_date(this)
return this.value
def getTime():
check_date(this)
return this.value
def getFullYear():
check_date(this)
if this.value is NaN:
return NaN
return YearFromTime(UTCToLocal(this.value))
def getUTCFullYear():
check_date(this)
if this.value is NaN:
return NaN
return YearFromTime(this.value)
def getMonth():
check_date(this)
if this.value is NaN:
return NaN
return MonthFromTime(UTCToLocal(this.value))
def getDate():
check_date(this)
if this.value is NaN:
return NaN
return DateFromTime(UTCToLocal(this.value))
def getUTCMonth():
check_date(this)
if this.value is NaN:
return NaN
return MonthFromTime(this.value)
def getUTCDate():
check_date(this)
if this.value is NaN:
return NaN
return DateFromTime(this.value)
def getDay():
check_date(this)
if this.value is NaN:
return NaN
return WeekDay(UTCToLocal(this.value))
def getUTCDay():
check_date(this)
if this.value is NaN:
return NaN
return WeekDay(this.value)
def getHours():
check_date(this)
if this.value is NaN:
return NaN
return HourFromTime(UTCToLocal(this.value))
def getUTCHours():
check_date(this)
if this.value is NaN:
return NaN
return HourFromTime(this.value)
def getMinutes():
check_date(this)
if this.value is NaN:
return NaN
return MinFromTime(UTCToLocal(this.value))
def getUTCMinutes():
check_date(this)
if this.value is NaN:
return NaN
return MinFromTime(this.value)
def getSeconds():
check_date(this)
if this.value is NaN:
return NaN
return SecFromTime(UTCToLocal(this.value))
def getUTCSeconds():
check_date(this)
if this.value is NaN:
return NaN
return SecFromTime(this.value)
def getMilliseconds():
check_date(this)
if this.value is NaN:
return NaN
return msFromTime(UTCToLocal(this.value))
def getUTCMilliseconds():
check_date(this)
if this.value is NaN:
return NaN
return msFromTime(this.value)
def getTimezoneOffset():
check_date(this)
if this.value is NaN:
return NaN
return (this.value - UTCToLocal(this.value)) // 60000
def setTime(time):
check_date(this)
this.value = TimeClip(time.to_number().to_int())
return this.value
def setMilliseconds(ms):
check_date(this)
t = UTCToLocal(this.value)
tim = MakeTime(
HourFromTime(t), MinFromTime(t), SecFromTime(t), ms.to_int())
u = TimeClip(LocalToUTC(MakeDate(Day(t), tim)))
this.value = u
return u
def setUTCMilliseconds(ms):
check_date(this)
t = this.value
tim = MakeTime(
HourFromTime(t), MinFromTime(t), SecFromTime(t), ms.to_int())
u = TimeClip(MakeDate(Day(t), tim))
this.value = u
return u
# todo Complete all setters!
def toUTCString():
check_date(this)
return this.utc_strftime('%d %B %Y %H:%M:%S')
def toISOString():
check_date(this)
t = this.value
year = YearFromTime(t)
month, day, hour, minute, second, milli = pad(
MonthFromTime(t) + 1), pad(DateFromTime(t)), pad(
HourFromTime(t)), pad(MinFromTime(t)), pad(
SecFromTime(t)), pad(msFromTime(t))
return ISO_FORMAT % (unicode(year) if 0 <= year <= 9999 else pad(
year, 6, True), month, day, hour, minute, second, milli)
def toJSON(key):
o = this.to_object()
tv = o.to_primitive('Number')
if tv.Class == 'Number' and not tv.is_finite():
return this.null
toISO = o.get('toISOString')
if not toISO.is_callable():
raise this.MakeError('TypeError', 'toISOString is not callable')
return toISO.call(o, ())
def pad(num, n=2, sign=False):
'''returns n digit string representation of the num'''
s = unicode(abs(num))
if len(s) < n:
s = '0' * (n - len(s)) + s
if not sign:
return s
if num >= 0:
return '+' + s
else:
return '-' + s
fill_prototype(DatePrototype, DateProto, default_attrs)
Date.define_own_property(
'prototype', {
'value': DatePrototype,
'enumerable': False,
'writable': False,
'configurable': False
})
DatePrototype.define_own_property('constructor', {
'value': Date,
'enumerable': False,
'writable': True,
'configurable': True
})