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diff --git a/roundup/date.py b/roundup/date.py
index a6430d7504b37bf75ba2d06efec49a29fe343cef..365aa80b07cc670a641400ea896e0f9a753f8cd0 100644 (file)
--- a/roundup/date.py
+++ b/roundup/date.py
# BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
# SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#
-# $Id: date.py,v 1.51 2003-03-22 22:43:21 richard Exp $
+# $Id: date.py,v 1.54 2003-04-23 11:48:05 richard Exp $
__doc__ = """
Date, time and time interval handling.
import time, re, calendar, types
from i18n import _
+def _add_granularity(src, order, value = 1):
+ '''Increment first non-None value in src dictionary ordered by 'order'
+ parameter
+ '''
+ for gran in order:
+ if src[gran]:
+ src[gran] = int(src[gran]) + value
+ break
+
class Date:
'''
As strings, date-and-time stamps are specified with the date in
"11-07.09:32:43" means <Date yyyy-11-07.14:32:43>
"14:25" means <Date yyyy-mm-dd.19:25:00>
"8:47:11" means <Date yyyy-mm-dd.13:47:11>
+ "2003" means <Date 2003-01-01.00:00:00>
+ "2003-06" means <Date 2003-06-01.00:00:00>
"." means "right now"
The Date class should understand simple date expressions of the form
minute, second) is the serialisation format returned by the serialise()
method, and is accepted as an argument on instatiation.
'''
- def __init__(self, spec='.', offset=0):
+
+ def __init__(self, spec='.', offset=0, add_granularity=0):
"""Construct a date given a specification and a time zone offset.
'spec' is a full date or a partial form, with an optional
'offset' is the local time zone offset from GMT in hours.
"""
if type(spec) == type(''):
- self.set(spec, offset=offset)
+ self.set(spec, offset=offset, add_granularity=add_granularity)
else:
y,m,d,H,M,S,x,x,x = spec
ts = calendar.timegm((y,m,d,H+offset,M,S,0,0,0))
self.year, self.month, self.day, self.hour, self.minute, \
self.second, x, x, x = time.gmtime(ts)
+ usagespec='[yyyy]-[mm]-[dd].[H]H:MM[:SS][offset]'
def set(self, spec, offset=0, date_re=re.compile(r'''
- (((?P<y>\d\d\d\d)[/-])?(?P<m>\d\d?)?[/-](?P<d>\d\d?))? # [yyyy-]mm-dd
+ ((?P<y>\d\d\d\d)([/-](?P<m>\d\d?)([/-](?P<d>\d\d?))?)? # yyyy[-mm[-dd]]
+ |(?P<a>\d\d?)[/-](?P<b>\d\d?))? # or mm-dd
(?P<n>\.)? # .
(((?P<H>\d?\d):(?P<M>\d\d))?(:(?P<S>\d\d))?)? # hh:mm:ss
(?P<o>.+)? # offset
''', re.VERBOSE), serialised_re=re.compile(r'''
(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)
- ''', re.VERBOSE)):
+ ''', re.VERBOSE), add_granularity=0):
''' set the date to the value in spec
'''
+
m = serialised_re.match(spec)
if m is not None:
# we're serialised - easy!
# not serialised data, try usual format
m = date_re.match(spec)
if m is None:
- raise ValueError, _('Not a date spec: [[yyyy-]mm-dd].'
- '[[h]h:mm[:ss]][offset]')
+ raise ValueError, _('Not a date spec: %s' % self.usagespec)
info = m.groupdict()
+ if add_granularity:
+ _add_granularity(info, 'SMHdmyab')
+
# get the current date as our default
y,m,d,H,M,S,x,x,x = time.gmtime(time.time())
- # override year, month, day parts
- if info['m'] is not None and info['d'] is not None:
- m = int(info['m'])
- d = int(info['d'])
+ if info['y'] is not None or info['a'] is not None:
if info['y'] is not None:
y = int(info['y'])
- # time defaults to 00:00:00 GMT - offset (local midnight)
+ m,d = (1,1)
+ if info['m'] is not None:
+ m = int(info['m'])
+ if info['d'] is not None:
+ d = int(info['d'])
+ if info['a'] is not None:
+ m = int(info['a'])
+ d = int(info['b'])
H = -offset
M = S = 0
S = 0
if info['S'] is not None: S = int(info['S'])
+ if add_granularity:
+ S = S - 1
+
# now handle the adjustment of hour
ts = calendar.timegm((y,m,d,H,M,S,0,0,0))
self.year, self.month, self.day, self.hour, self.minute, \
try:
self.applyInterval(Interval(info['o'], allowdate=0))
except ValueError:
- raise ValueError, _('Not a date spec: [[yyyy-]mm-dd].'
- '[[h]h:mm[:ss]][offset]')
+ raise ValueError, _('Not a date spec: %s' % self.usagespec)
def addInterval(self, interval):
''' Add the interval to this date, returning the date tuple
TODO: more examples, showing the order of addition operation
'''
- def __init__(self, spec, sign=1, allowdate=1):
+ def __init__(self, spec, sign=1, allowdate=1, add_granularity=0):
"""Construct an interval given a specification."""
if type(spec) == type(''):
- self.set(spec, allowdate)
+ self.set(spec, allowdate=allowdate, add_granularity=add_granularity)
else:
if len(spec) == 7:
self.sign, self.year, self.month, self.day, self.hour, \
(\d?\d:\d\d)?(:\d\d)? # hh:mm:ss
)?''', re.VERBOSE), serialised_re=re.compile('''
(?P<s>[+-])?1?(?P<y>([ ]{3}\d|\d{4}))(?P<m>\d{2})(?P<d>\d{2})
- (?P<H>\d{2})(?P<M>\d{2})(?P<S>\d{2})''', re.VERBOSE)):
+ (?P<H>\d{2})(?P<M>\d{2})(?P<S>\d{2})''', re.VERBOSE),
+ add_granularity=0):
''' set the date to the value in spec
'''
self.year = self.month = self.week = self.day = self.hour = \
# pull out all the info specified
info = m.groupdict()
+ if add_granularity:
+ _add_granularity(info, 'SMHdwmy', (info['s']=='-' and -1 or 1))
+
valid = 0
for group, attr in {'y':'year', 'm':'month', 'w':'week', 'd':'day',
'H':'hour', 'M':'minute', 'S':'second'}.items():
if self.sign < 0:
s = s + _(' ago')
else:
- s = _('in') + s
+ s = _('in ') + s
return s
def get_tuple(self):
<Range from None to 2003-03-09.20:00:00>
"""
- def __init__(self, spec, Type, **params):
+ def __init__(self, spec, Type, allow_granularity=1, **params):
"""Initializes Range of type <Type> from given <spec> string.
Sets two properties - from_value and to_value. None assigned to any of
"""
self.range_type = Type
- re_range = r'(?:^|(?:from)?(.+?))(?:to(.+?)$|$)'
- re_geek_range = r'(?:^|(.+?))(?:;(.+?)$|$)'
+ re_range = r'(?:^|from(.+?))(?:to(.+?)$|$)'
+ re_geek_range = r'(?:^|(.+?));(?:(.+?)$|$)'
# Check which syntax to use
if spec.find(';') == -1:
# Native english
if self.to_value:
self.to_value = Type(self.to_value.strip(), **params)
else:
- raise ValueError, "Invalid range"
+ if allow_granularity:
+ self.from_value = Type(spec, **params)
+ self.to_value = Type(spec, add_granularity=1, **params)
+ else:
+ raise ValueError, "Invalid range"
def __str__(self):
return "from %s to %s" % (self.from_value, self.to_value)
return "<Range %s>" % self.__str__()
def test_range():
- rspecs = ("from 2-12 to 4-2", "18:00 TO +2m", "12:00", "tO +3d",
- "2002-11-10; 2002-12-12", "; 20:00 +1d")
+ rspecs = ("from 2-12 to 4-2", "from 18:00 TO +2m", "12:00;", "tO +3d",
+ "2002-11-10; 2002-12-12", "; 20:00 +1d", '2002-10-12')
+ rispecs = ('from -1w 2d 4:32 to 4d', '-2w 1d')
for rspec in rspecs:
print '>>> Range("%s")' % rspec
print `Range(rspec, Date)`
print
+ for rspec in rispecs:
+ print '>>> Range("%s")' % rspec
+ print `Range(rspec, Interval)`
+ print
def test():
intervals = (" 3w 1 d 2:00", " + 2d", "3w")
print `Interval(interval)`
dates = (".", "2000-06-25.19:34:02", ". + 2d", "1997-04-17", "01-25",
- "08-13.22:13", "14:25")
+ "08-13.22:13", "14:25", '2002-12')
for date in dates:
print '>>> Date("%s")'%date
print `Date(date)`
print `Date(date) + Interval(interval)`
if __name__ == '__main__':
- test_range()
+ test()
# vim: set filetype=python ts=4 sw=4 et si