--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/app/django/utils/dateformat.py Fri Jul 18 18:22:23 2008 +0000
@@ -0,0 +1,269 @@
+"""
+PHP date() style date formatting
+See http://www.php.net/date for format strings
+
+Usage:
+>>> import datetime
+>>> d = datetime.datetime.now()
+>>> df = DateFormat(d)
+>>> print df.format('jS F Y H:i')
+7th October 2003 11:39
+>>>
+"""
+
+from django.utils.dates import MONTHS, MONTHS_3, MONTHS_AP, WEEKDAYS, WEEKDAYS_ABBR
+from django.utils.tzinfo import LocalTimezone
+from django.utils.translation import string_concat, ugettext as _
+from django.utils.encoding import force_unicode
+from calendar import isleap, monthrange
+import re, time
+
+re_formatchars = re.compile(r'(?<!\\)([aAbBdDfFgGhHiIjlLmMnNOPrsStTUwWyYzZ])')
+re_escaped = re.compile(r'\\(.)')
+
+class Formatter(object):
+ def format(self, formatstr):
+ pieces = []
+ for i, piece in enumerate(re_formatchars.split(force_unicode(formatstr))):
+ if i % 2:
+ pieces.append(force_unicode(getattr(self, piece)()))
+ elif piece:
+ pieces.append(re_escaped.sub(r'\1', piece))
+ return u''.join(pieces)
+
+class TimeFormat(Formatter):
+ def __init__(self, t):
+ self.data = t
+
+ def a(self):
+ "'a.m.' or 'p.m.'"
+ if self.data.hour > 11:
+ return _('p.m.')
+ return _('a.m.')
+
+ def A(self):
+ "'AM' or 'PM'"
+ if self.data.hour > 11:
+ return _('PM')
+ return _('AM')
+
+ def B(self):
+ "Swatch Internet time"
+ raise NotImplementedError
+
+ def f(self):
+ """
+ Time, in 12-hour hours and minutes, with minutes left off if they're
+ zero.
+ Examples: '1', '1:30', '2:05', '2'
+ Proprietary extension.
+ """
+ if self.data.minute == 0:
+ return self.g()
+ return u'%s:%s' % (self.g(), self.i())
+
+ def g(self):
+ "Hour, 12-hour format without leading zeros; i.e. '1' to '12'"
+ if self.data.hour == 0:
+ return 12
+ if self.data.hour > 12:
+ return self.data.hour - 12
+ return self.data.hour
+
+ def G(self):
+ "Hour, 24-hour format without leading zeros; i.e. '0' to '23'"
+ return self.data.hour
+
+ def h(self):
+ "Hour, 12-hour format; i.e. '01' to '12'"
+ return u'%02d' % self.g()
+
+ def H(self):
+ "Hour, 24-hour format; i.e. '00' to '23'"
+ return u'%02d' % self.G()
+
+ def i(self):
+ "Minutes; i.e. '00' to '59'"
+ return u'%02d' % self.data.minute
+
+ def P(self):
+ """
+ Time, in 12-hour hours, minutes and 'a.m.'/'p.m.', with minutes left off
+ if they're zero and the strings 'midnight' and 'noon' if appropriate.
+ Examples: '1 a.m.', '1:30 p.m.', 'midnight', 'noon', '12:30 p.m.'
+ Proprietary extension.
+ """
+ if self.data.minute == 0 and self.data.hour == 0:
+ return _('midnight')
+ if self.data.minute == 0 and self.data.hour == 12:
+ return _('noon')
+ return u'%s %s' % (self.f(), self.a())
+
+ def s(self):
+ "Seconds; i.e. '00' to '59'"
+ return u'%02d' % self.data.second
+
+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
+
+def format(value, format_string):
+ "Convenience function"
+ df = DateFormat(value)
+ return df.format(format_string)
+
+def time_format(value, format_string):
+ "Convenience function"
+ tf = TimeFormat(value)
+ return tf.format(format_string)