Пример #1
0
 def __init__(self, dt):
     # Accepts either a datetime or date object.
     self.data = dt
     self.timezone = getattr(dt, 'tzinfo', None)
     if hasattr(self.data, 'hour') and not self.timezone:
         self.timezone = LocalTimezone(dt)
Пример #2
0
 def __init__(self, dt):
     # Accepts either a datetime or date object.
     self.data = dt
     self.timezone = getattr(dt, 'tzinfo', None)
     if hasattr(self.data, 'hour') and not self.timezone:
         self.timezone = LocalTimezone(dt)
Пример #3
0
class DateFormat(TimeFormat):
    year_days = [None, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]

    def __init__(self, dt):
        # Accepts either a datetime or date object.
        self.data = dt
        self.timezone = getattr(dt, 'tzinfo', None)
        if hasattr(self.data, 'hour') and not self.timezone:
            self.timezone = LocalTimezone(dt)

    def b(self):
        "Month, textual, 3 letters, lowercase; e.g. 'jan'"
        return MONTHS_3[self.data.month]

    def d(self):
        "Day of the month, 2 digits with leading zeros; i.e. '01' to '31'"
        return u'%02d' % self.data.day

    def D(self):
        "Day of the week, textual, 3 letters; e.g. 'Fri'"
        return WEEKDAYS_ABBR[self.data.weekday()]

    def F(self):
        "Month, textual, long; e.g. 'January'"
        return MONTHS[self.data.month]

    def I(self):
        "'1' if Daylight Savings Time, '0' otherwise."
        if self.timezone.dst(self.data):
            return u'1'
        else:
            return u'0'

    def j(self):
        "Day of the month without leading zeros; i.e. '1' to '31'"
        return self.data.day

    def l(self):
        "Day of the week, textual, long; e.g. 'Friday'"
        return WEEKDAYS[self.data.weekday()]

    def L(self):
        "Boolean for whether it is a leap year; i.e. True or False"
        return isleap(self.data.year)

    def m(self):
        "Month; i.e. '01' to '12'"
        return u'%02d' % self.data.month

    def M(self):
        "Month, textual, 3 letters; e.g. 'Jan'"
        return MONTHS_3[self.data.month].title()

    def n(self):
        "Month without leading zeros; i.e. '1' to '12'"
        return self.data.month

    def N(self):
        "Month abbreviation in Associated Press style. Proprietary extension."
        return MONTHS_AP[self.data.month]

    def O(self):
        "Difference to Greenwich time in hours; e.g. '+0200'"
        seconds = self.Z()
        return u"%+03d%02d" % (seconds // 3600, (seconds // 60) % 60)

    def r(self):
        "RFC 2822 formatted date; e.g. 'Thu, 21 Dec 2000 16:01:07 +0200'"
        return self.format('D, j M Y H:i:s O')

    def S(self):
        "English ordinal suffix for the day of the month, 2 characters; i.e. 'st', 'nd', 'rd' or 'th'"
        if self.data.day in (11, 12, 13): # Special case
            return u'th'
        last = self.data.day % 10
        if last == 1:
            return u'st'
        if last == 2:
            return u'nd'
        if last == 3:
            return u'rd'
        return u'th'

    def t(self):
        "Number of days in the given month; i.e. '28' to '31'"
        return u'%02d' % monthrange(self.data.year, self.data.month)[1]

    def T(self):
        "Time zone of this machine; e.g. 'EST' or 'MDT'"
        name = self.timezone.tzname(self.data)
        if name is None:
            name = self.format('O')
        return unicode(name)

    def U(self):
        "Seconds since the Unix epoch (January 1 1970 00:00:00 GMT)"
        off = self.timezone.utcoffset(self.data)
        return int(time.mktime(self.data.timetuple())) + off.seconds * 60

    def w(self):
        "Day of the week, numeric, i.e. '0' (Sunday) to '6' (Saturday)"
        return (self.data.weekday() + 1) % 7

    def W(self):
        "ISO-8601 week number of year, weeks starting on Monday"
        # Algorithm from http://www.personal.ecu.edu/mccartyr/ISOwdALG.txt
        week_number = None
        jan1_weekday = self.data.replace(month=1, day=1).weekday() + 1
        weekday = self.data.weekday() + 1
        day_of_year = self.z()
        if day_of_year <= (8 - jan1_weekday) and jan1_weekday > 4:
            if jan1_weekday == 5 or (jan1_weekday == 6 and isleap(self.data.year-1)):
                week_number = 53
            else:
                week_number = 52
        else:
            if isleap(self.data.year):
                i = 366
            else:
                i = 365
            if (i - day_of_year) < (4 - weekday):
                week_number = 1
            else:
                j = day_of_year + (7 - weekday) + (jan1_weekday - 1)
                week_number = j // 7
                if jan1_weekday > 4:
                    week_number -= 1
        return week_number

    def y(self):
        "Year, 2 digits; e.g. '99'"
        return unicode(self.data.year)[2:]

    def Y(self):
        "Year, 4 digits; e.g. '1999'"
        return self.data.year

    def z(self):
        "Day of the year; i.e. '0' to '365'"
        doy = self.year_days[self.data.month] + self.data.day
        if self.L() and self.data.month > 2:
            doy += 1
        return doy

    def Z(self):
        """
        Time zone offset in seconds (i.e. '-43200' to '43200'). The offset for
        timezones west of UTC is always negative, and for those east of UTC is
        always positive.
        """
        offset = self.timezone.utcoffset(self.data)
        # Only days can be negative, so negative offsets have days=-1 and
        # seconds positive. Positive offsets have days=0
        return offset.days * 86400 + offset.seconds
Пример #4
0
class DateFormat(TimeFormat):
    year_days = [None, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]

    def __init__(self, dt):
        # Accepts either a datetime or date object.
        self.data = dt
        self.timezone = getattr(dt, 'tzinfo', None)
        if hasattr(self.data, 'hour') and not self.timezone:
            self.timezone = LocalTimezone(dt)

    def b(self):
        "Month, textual, 3 letters, lowercase; e.g. 'jan'"
        return MONTHS_3[self.data.month]

    def d(self):
        "Day of the month, 2 digits with leading zeros; i.e. '01' to '31'"
        return u'%02d' % self.data.day

    def D(self):
        "Day of the week, textual, 3 letters; e.g. 'Fri'"
        return WEEKDAYS_ABBR[self.data.weekday()]

    def F(self):
        "Month, textual, long; e.g. 'January'"
        return MONTHS[self.data.month]

    def I(self):
        "'1' if Daylight Savings Time, '0' otherwise."
        if self.timezone.dst(self.data):
            return u'1'
        else:
            return u'0'

    def j(self):
        "Day of the month without leading zeros; i.e. '1' to '31'"
        return self.data.day

    def l(self):
        "Day of the week, textual, long; e.g. 'Friday'"
        return WEEKDAYS[self.data.weekday()]

    def L(self):
        "Boolean for whether it is a leap year; i.e. True or False"
        return isleap(self.data.year)

    def m(self):
        "Month; i.e. '01' to '12'"
        return u'%02d' % self.data.month

    def M(self):
        "Month, textual, 3 letters; e.g. 'Jan'"
        return MONTHS_3[self.data.month].title()

    def n(self):
        "Month without leading zeros; i.e. '1' to '12'"
        return self.data.month

    def N(self):
        "Month abbreviation in Associated Press style. Proprietary extension."
        return MONTHS_AP[self.data.month]

    def O(self):
        "Difference to Greenwich time in hours; e.g. '+0200'"
        seconds = self.Z()
        return u"%+03d%02d" % (seconds // 3600, (seconds // 60) % 60)

    def r(self):
        "RFC 2822 formatted date; e.g. 'Thu, 21 Dec 2000 16:01:07 +0200'"
        return self.format('D, j M Y H:i:s O')

    def S(self):
        "English ordinal suffix for the day of the month, 2 characters; i.e. 'st', 'nd', 'rd' or 'th'"
        if self.data.day in (11, 12, 13):  # Special case
            return u'th'
        last = self.data.day % 10
        if last == 1:
            return u'st'
        if last == 2:
            return u'nd'
        if last == 3:
            return u'rd'
        return u'th'

    def t(self):
        "Number of days in the given month; i.e. '28' to '31'"
        return u'%02d' % monthrange(self.data.year, self.data.month)[1]

    def T(self):
        "Time zone of this machine; e.g. 'EST' or 'MDT'"
        name = self.timezone.tzname(self.data)
        if name is None:
            name = self.format('O')
        return unicode(name)

    def U(self):
        "Seconds since the Unix epoch (January 1 1970 00:00:00 GMT)"
        off = self.timezone.utcoffset(self.data)
        return int(time.mktime(self.data.timetuple())) + off.seconds * 60

    def w(self):
        "Day of the week, numeric, i.e. '0' (Sunday) to '6' (Saturday)"
        return (self.data.weekday() + 1) % 7

    def W(self):
        "ISO-8601 week number of year, weeks starting on Monday"
        # Algorithm from http://www.personal.ecu.edu/mccartyr/ISOwdALG.txt
        week_number = None
        jan1_weekday = self.data.replace(month=1, day=1).weekday() + 1
        weekday = self.data.weekday() + 1
        day_of_year = self.z()
        if day_of_year <= (8 - jan1_weekday) and jan1_weekday > 4:
            if jan1_weekday == 5 or (jan1_weekday == 6
                                     and isleap(self.data.year - 1)):
                week_number = 53
            else:
                week_number = 52
        else:
            if isleap(self.data.year):
                i = 366
            else:
                i = 365
            if (i - day_of_year) < (4 - weekday):
                week_number = 1
            else:
                j = day_of_year + (7 - weekday) + (jan1_weekday - 1)
                week_number = j // 7
                if jan1_weekday > 4:
                    week_number -= 1
        return week_number

    def y(self):
        "Year, 2 digits; e.g. '99'"
        return unicode(self.data.year)[2:]

    def Y(self):
        "Year, 4 digits; e.g. '1999'"
        return self.data.year

    def z(self):
        "Day of the year; i.e. '0' to '365'"
        doy = self.year_days[self.data.month] + self.data.day
        if self.L() and self.data.month > 2:
            doy += 1
        return doy

    def Z(self):
        """
        Time zone offset in seconds (i.e. '-43200' to '43200'). The offset for
        timezones west of UTC is always negative, and for those east of UTC is
        always positive.
        """
        offset = self.timezone.utcoffset(self.data)
        # Only days can be negative, so negative offsets have days=-1 and
        # seconds positive. Positive offsets have days=0
        return offset.days * 86400 + offset.seconds