/usr/lib/python2.7/dist-packages/pycalendar/attribute.py is in python-pycalendar 2.0~svn13177-1.
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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.
##
"""
ICalendar attribute.
The attribute can consist of one or more values, all string.
"""
from pycalendar import xmldefs
from pycalendar.utils import encodeParameterValue
import xml.etree.cElementTree as XML
class PyCalendarAttribute(object):
def __init__(self, name, value=None):
self.mName = name
if value is None:
self.mValues = []
elif isinstance(value, basestring):
self.mValues = [value]
else:
self.mValues = value
def duplicate(self):
other = PyCalendarAttribute(self.mName)
other.mValues = self.mValues[:]
return other
def __hash__(self):
return hash((self.mName.upper(), tuple(self.mValues)))
def __ne__(self, other):
return not self.__eq__(other)
def __eq__(self, other):
if not isinstance(other, PyCalendarAttribute):
return False
return self.mName.upper() == other.mName.upper() and self.mValues == other.mValues
def getName(self):
return self.mName
def setName(self, name):
self.mName = name
def getFirstValue(self):
return self.mValues[0]
def getValues(self):
return self.mValues
def setValues(self, values):
self.mValues = values
def addValue(self, value):
self.mValues.append(value)
def removeValue(self, value):
self.mValues.remove(value)
return len(self.mValues)
def generate(self, os):
try:
os.write(self.mName)
# To support vCard 2.1 syntax we allow parameters without values
if self.mValues:
os.write("=")
first = True
for s in self.mValues:
if first:
first = False
else:
os.write(",")
# Write with quotation if required
self.generateValue(os, s)
except:
# We ignore errors
pass
def generateValue(self, os, str):
# ^-escaping
str = encodeParameterValue(str)
# Look for quoting
if str.find(":") != -1 or str.find(";") != -1 or str.find(",") != -1:
os.write("\"%s\"" % (str,))
else:
os.write(str)
def writeXML(self, node, namespace):
param = XML.SubElement(node, xmldefs.makeTag(namespace, self.getName()))
for value in self.getValues():
# TODO: need to figure out proper value types
text = XML.SubElement(param, xmldefs.makeTag(namespace, xmldefs.value_text))
text.text = value
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