def _parse_line_keytext(cls, line, text):
words = text.split(None, 1)
if len(words) == 2:
line.key, line.text = str(words[0]), words[1]
elif len(words) == 1:
line.key, line.text = str(words[0]), ''
else:
raise ParseException(line, 'expecting <key> [value]')
def _parse_date(self, text, relative_to=None):
d = None
enforce = True
if text.endswith("!"):
enforce = False
text = text[:-1]
if relative_to is not None:
dmy = text.split('/', 2)
if len(dmy) == 3:
if not dmy[0]:
dmy[0] = '%u' % relative_to.day
if not dmy[1]:
dmy[1] = '%u' % relative_to.month
if not dmy[2]:
dmy[2] = '%04u' % relative_to.year
text = '/'.join(dmy)
try:
d = datetime.datetime.strptime(text, '%d/%m/%Y').date()
except ValueError:
if self._period:
enforce = True
try:
d = datetime.datetime.strptime(text + '/%04u' % self._period[0].year, '%d/%m/%Y').date()
if d < self._period[0]:
d = None
except ValueError:
pass
if d is None and self._period[0].year != self._period[1].year:
try:
d = datetime.datetime.strptime(text + '/%04u' % self._period[1].year, '%d/%m/%Y').date()
except ValueError:
pass
if d is not None:
if enforce and self._period and (d < self._period[0] or d > self._period[1]):
raise ParseException(text, 'date %s outside period' % text)
return d
if relative_to is not None and self._regex_relative.match(text):
return relative_to + datetime.timedelta(int(text))
raise ParseException(text, 'invalid date %r' % text)
def _parse_date_edate(self, text):
texts = text.split('=', 1)
date = self._parse_date(texts[0])
edate = self._parse_date(texts[1], relative_to=date) if len(texts) > 1 else None
return date, edate
