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) return TimeClip(MakeDate(MakeDay(y, m, dt), MakeTime(h, mi, sec, mili))) @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(1970, 1, 1) + datetime.timedelta( seconds=UTCToLocal(self.value) // 1000) def to_utc_dt(self): return datetime.datetime(1970, 1, 1) + datetime.timedelta( seconds=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( Js(HourFromTime(t)), Js(MinFromTime(t)), Js(SecFromTime(t)), ms) u = TimeClip(LocalToUTC(MakeDate(Day(t), tim))) this.value = u return u def setUTCMilliseconds(ms): check_date(this) t = this.value tim = MakeTime( Js(HourFromTime(t)), Js(MinFromTime(t)), Js(SecFromTime(t)), ms) u = TimeClip(MakeDate(Day(t), tim)) this.value = u return u def setSeconds(sec, ms=None): check_date(this) t = UTCToLocal(this.value) s = sec.to_number() if not ms is None: milli = Js(msFromTime(t)) else: milli = ms.to_number() date = MakeDate( Day(t), MakeTime(Js(HourFromTime(t)), Js(MinFromTime(t)), s, milli)) u = TimeClip(LocalToUTC(date)) this.value = u return u def setUTCSeconds(sec, ms=None): check_date(this) t = this.value s = sec.to_number() if not ms is None: milli = Js(msFromTime(t)) else: milli = ms.to_number() date = MakeDate( Day(t), MakeTime(Js(HourFromTime(t)), Js(MinFromTime(t)), s, milli)) v = TimeClip(date) this.value = v return v def setMinutes(min, sec=None, ms=None): check_date(this) t = UTCToLocal(this.value) m = min.to_number() if not sec is None: s = Js(SecFromTime(t)) else: s = sec.to_number() if not ms is None: milli = Js(msFromTime(t)) else: milli = ms.to_number() date = MakeDate(Day(t), MakeTime(Js(HourFromTime(t)), m, s, milli)) u = TimeClip(LocalToUTC(date)) this.value = u return u def setUTCMinutes(min, sec=None, ms=None): check_date(this) t = this.value m = min.to_number() if not sec is None: s = Js(SecFromTime(t)) else: s = sec.to_number() if not ms is None: milli = Js(msFromTime(t)) else: milli = ms.to_number() date = MakeDate(Day(t), MakeTime(Js(HourFromTime(t)), m, s, milli)) v = TimeClip(date) this.value = v return v def setHours(hour, min=None, sec=None, ms=None): check_date(this) t = UTCToLocal(this.value) h = hour.to_number() if not min is None: m = Js(MinFromTime(t)) else: m = min.to_number() if not sec is None: s = Js(SecFromTime(t)) else: s = sec.to_number() if not ms is None: milli = Js(msFromTime(t)) else: milli = ms.to_number() date = MakeDate(Day(t), MakeTime(h, m, s, milli)) u = TimeClip(LocalToUTC(date)) this.value = u return u def setUTCHours(hour, min=None, sec=None, ms=None): check_date(this) t = this.value h = hour.to_number() if not min is None: m = Js(MinFromTime(t)) else: m = min.to_number() if not sec is None: s = Js(SecFromTime(t)) else: s = sec.to_number() if not ms is None: milli = Js(msFromTime(t)) else: milli = ms.to_number() date = MakeDate(Day(t), MakeTime(h, m, s, milli)) v = TimeClip(date) this.value = v return v def setDate(date): check_date(this) t = UTCToLocal(this.value) dt = date.to_number() newDate = MakeDate( MakeDay(Js(YearFromTime(t)), Js(MonthFromTime(t)), dt), TimeWithinDay(t)) u = TimeClip(LocalToUTC(newDate)) this.value = u return u def setUTCDate(date): check_date(this) t = this.value dt = date.to_number() newDate = MakeDate( MakeDay(Js(YearFromTime(t)), Js(MonthFromTime(t)), dt), TimeWithinDay(t)) v = TimeClip(newDate) this.value = v return v def setMonth(month, date=None): check_date(this) t = UTCToLocal(this.value) m = month.to_number() if not date is None: dt = Js(DateFromTime(t)) else: dt = date.to_number() newDate = MakeDate( MakeDay(Js(YearFromTime(t)), m, dt), TimeWithinDay(t)) u = TimeClip(LocalToUTC(newDate)) this.value = u return u def setUTCMonth(month, date=None): check_date(this) t = this.value m = month.to_number() if not date is None: dt = Js(DateFromTime(t)) else: dt = date.to_number() newDate = MakeDate( MakeDay(Js(YearFromTime(t)), m, dt), TimeWithinDay(t)) v = TimeClip(newDate) this.value = v return v def setFullYear(year, month=None, date=None): check_date(this) if not this.value is NaN: t = UTCToLocal(this.value) else: t = 0 y = year.to_number() if not month is None: m = Js(MonthFromTime(t)) else: m = month.to_number() if not date is None: dt = Js(DateFromTime(t)) else: dt = date.to_number() newDate = MakeDate( MakeDay(y, m, dt), TimeWithinDay(t)) u = TimeClip(LocalToUTC(newDate)) this.value = u return u def setUTCFullYear(year, month=None, date=None): check_date(this) if not this.value is NaN: t = UTCToLocal(this.value) else: t = 0 y = year.to_number() if not month is None: m = Js(MonthFromTime(t)) else: m = month.to_number() if not date is None: dt = Js(DateFromTime(t)) else: dt = date.to_number() newDate = MakeDate( MakeDay(y, m, dt), TimeWithinDay(t)) v = TimeClip(newDate) this.value = v return v 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 })