/usr/share/pyshared/pycalendar/vcard/card.py is in python-pycalendar 2.0~svn13177-1.
This file is owned by root:root, with mode 0o644.
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# Copyright (c) 2007-2012 Cyrus Daboo. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
from cStringIO import StringIO
from pycalendar.componentbase import PyCalendarComponentBase
from pycalendar.exceptions import PyCalendarInvalidData, \
PyCalendarValidationError
from pycalendar.parser import ParserContext
from pycalendar.utils import readFoldedLine
from pycalendar.vcard import definitions
from pycalendar.vcard.definitions import VCARD, Property_VERSION, \
Property_PRODID, Property_UID
from pycalendar.vcard.property import Property
from pycalendar.vcard.validation import VCARD_VALUE_CHECKS
class Card(PyCalendarComponentBase):
sProdID = "-//mulberrymail.com//Mulberry v4.0//EN"
sDomain = "mulberrymail.com"
@staticmethod
def setPRODID(prodid):
Card.sProdID = prodid
@staticmethod
def setDomain(domain):
Card.sDomain = domain
propertyCardinality_1 = (
definitions.Property_VERSION,
definitions.Property_N,
)
propertyCardinality_0_1 = (
definitions.Property_BDAY,
definitions.Property_PRODID,
definitions.Property_REV,
definitions.Property_UID,
)
propertyCardinality_1_More = (
definitions.Property_FN,
)
propertyValueChecks = VCARD_VALUE_CHECKS
def __init__(self, add_defaults=True):
super(Card, self).__init__()
if add_defaults:
self.addDefaultProperties()
def duplicate(self):
return super(Card, self).duplicate()
def getType(self):
return VCARD
def finalise(self):
pass
def validate(self, doFix=False, doRaise=False):
"""
Validate the data in this component and optionally fix any problems. Return
a tuple containing two lists: the first describes problems that were fixed, the
second problems that were not fixed. Caller can then decide what to do with unfixed
issues.
"""
# Optional raise behavior
fixed, unfixed = super(Card, self).validate(doFix)
if doRaise and unfixed:
raise PyCalendarValidationError(";".join(unfixed))
return fixed, unfixed
def sortedPropertyKeyOrder(self):
return (
Property_VERSION,
Property_PRODID,
Property_UID,
)
@staticmethod
def parseMultiple(ins):
results = []
card = Card(add_defaults=False)
LOOK_FOR_VCARD = 0
GET_PROPERTY = 1
state = LOOK_FOR_VCARD
# Get lines looking for start of calendar
lines = [None, None]
while readFoldedLine(ins, lines):
line = lines[0]
if state == LOOK_FOR_VCARD:
# Look for start
if line == card.getBeginDelimiter():
# Next state
state = GET_PROPERTY
# Handle blank line
elif len(line) == 0:
# Raise if requested, otherwise just ignore
if ParserContext.BLANK_LINES_IN_DATA == ParserContext.PARSER_RAISE:
raise PyCalendarInvalidData("vCard data has blank lines")
# Unrecognized data
else:
raise PyCalendarInvalidData("vCard data not recognized", line)
elif state == GET_PROPERTY:
# Look for end of object
if line == card.getEndDelimiter():
# Finalise the current calendar
card.finalise()
# Validate some things
if not card.hasProperty("VERSION"):
raise PyCalendarInvalidData("vCard missing VERSION", "")
results.append(card)
# Change state
card = Card(add_defaults=False)
state = LOOK_FOR_VCARD
# Blank line
elif len(line) == 0:
# Raise if requested, otherwise just ignore
if ParserContext.BLANK_LINES_IN_DATA == ParserContext.PARSER_RAISE:
raise PyCalendarInvalidData("vCard data has blank lines")
# Must be a property
else:
# Parse attribute/value for top-level calendar item
prop = Property()
if prop.parse(line):
# Check for valid property
if not card.validProperty(prop):
raise PyCalendarInvalidData("Invalid property", str(prop))
else:
card.addProperty(prop)
# Check for truncated data
if state != LOOK_FOR_VCARD:
raise PyCalendarInvalidData("vCard data not complete")
return results
@staticmethod
def parseText(data):
cal = Card(add_defaults=False)
if cal.parse(StringIO(data)):
return cal
else:
return None
def parse(self, ins):
result = False
self.setProperties({})
LOOK_FOR_VCARD = 0
GET_PROPERTY = 1
state = LOOK_FOR_VCARD
# Get lines looking for start of calendar
lines = [None, None]
while readFoldedLine(ins, lines):
line = lines[0]
if state == LOOK_FOR_VCARD:
# Look for start
if line == self.getBeginDelimiter():
# Next state
state = GET_PROPERTY
# Indicate success at this point
result = True
# Handle blank line
elif len(line) == 0:
# Raise if requested, otherwise just ignore
if ParserContext.BLANK_LINES_IN_DATA == ParserContext.PARSER_RAISE:
raise PyCalendarInvalidData("vCard data has blank lines")
# Unrecognized data
else:
raise PyCalendarInvalidData("vCard data not recognized", line)
elif state == GET_PROPERTY:
# Look for end of object
if line == self.getEndDelimiter():
# Finalise the current calendar
self.finalise()
# Change state
state = LOOK_FOR_VCARD
# Blank line
elif len(line) == 0:
# Raise if requested, otherwise just ignore
if ParserContext.BLANK_LINES_IN_DATA == ParserContext.PARSER_RAISE:
raise PyCalendarInvalidData("vCard data has blank lines")
# Must be a property
else:
# Parse attribute/value for top-level calendar item
prop = Property()
try:
if prop.parse(line):
# Check for valid property
if not self.validProperty(prop):
raise PyCalendarInvalidData("Invalid property", str(prop))
else:
self.addProperty(prop)
except IndexError:
print line
# Check for truncated data
if state != LOOK_FOR_VCARD:
raise PyCalendarInvalidData("vCard data not complete", "")
# Validate some things
if result and not self.hasProperty("VERSION"):
raise PyCalendarInvalidData("vCard missing VERSION", "")
return result
def addDefaultProperties(self):
self.addProperty(Property(definitions.Property_PRODID, Card.sProdID))
self.addProperty(Property(definitions.Property_VERSION, "3.0"))
def validProperty(self, prop):
if prop.getName() == definitions.Property_VERSION:
tvalue = prop.getValue()
if ((tvalue is None) or (tvalue.getValue() != "3.0")):
return False
return True
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