in functions/predictionLambda/dateutil/rrule.py [0:0]
def _parse_rfc(self, s,
dtstart=None,
cache=False,
unfold=False,
forceset=False,
compatible=False,
ignoretz=False,
tzids=None,
tzinfos=None):
global parser
if compatible:
forceset = True
unfold = True
TZID_NAMES = dict(map(
lambda x: (x.upper(), x),
re.findall('TZID=(?P<name>[^:]+):', s)
))
s = s.upper()
if not s.strip():
raise ValueError("empty string")
if unfold:
lines = s.splitlines()
i = 0
while i < len(lines):
line = lines[i].rstrip()
if not line:
del lines[i]
elif i > 0 and line[0] == " ":
lines[i-1] += line[1:]
del lines[i]
else:
i += 1
else:
lines = s.split()
if (not forceset and len(lines) == 1 and (s.find(':') == -1 or
s.startswith('RRULE:'))):
return self._parse_rfc_rrule(lines[0], cache=cache,
dtstart=dtstart, ignoretz=ignoretz,
tzinfos=tzinfos)
else:
rrulevals = []
rdatevals = []
exrulevals = []
exdatevals = []
for line in lines:
if not line:
continue
if line.find(':') == -1:
name = "RRULE"
value = line
else:
name, value = line.split(':', 1)
parms = name.split(';')
if not parms:
raise ValueError("empty property name")
name = parms[0]
parms = parms[1:]
if name == "RRULE":
for parm in parms:
raise ValueError("unsupported RRULE parm: "+parm)
rrulevals.append(value)
elif name == "RDATE":
for parm in parms:
if parm != "VALUE=DATE-TIME":
raise ValueError("unsupported RDATE parm: "+parm)
rdatevals.append(value)
elif name == "EXRULE":
for parm in parms:
raise ValueError("unsupported EXRULE parm: "+parm)
exrulevals.append(value)
elif name == "EXDATE":
exdatevals.extend(
self._parse_date_value(value, parms,
TZID_NAMES, ignoretz,
tzids, tzinfos)
)
elif name == "DTSTART":
dtvals = self._parse_date_value(value, parms, TZID_NAMES,
ignoretz, tzids, tzinfos)
if len(dtvals) != 1:
raise ValueError("Multiple DTSTART values specified:" +
value)
dtstart = dtvals[0]
else:
raise ValueError("unsupported property: "+name)
if (forceset or len(rrulevals) > 1 or rdatevals
or exrulevals or exdatevals):
if not parser and (rdatevals or exdatevals):
from dateutil import parser
rset = rruleset(cache=cache)
for value in rrulevals:
rset.rrule(self._parse_rfc_rrule(value, dtstart=dtstart,
ignoretz=ignoretz,
tzinfos=tzinfos))
for value in rdatevals:
for datestr in value.split(','):
rset.rdate(parser.parse(datestr,
ignoretz=ignoretz,
tzinfos=tzinfos))
for value in exrulevals:
rset.exrule(self._parse_rfc_rrule(value, dtstart=dtstart,
ignoretz=ignoretz,
tzinfos=tzinfos))
for value in exdatevals:
rset.exdate(value)
if compatible and dtstart:
rset.rdate(dtstart)
return rset
else:
return self._parse_rfc_rrule(rrulevals[0],
dtstart=dtstart,
cache=cache,
ignoretz=ignoretz,
tzinfos=tzinfos)