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#!/usr/bin/env python
#======================================================================
# FILE: DerivedProperties.py
# CREATOR: eric
#
# (C) COPYRIGHT 2001, Eric Busboom <eric@civicknowledge.com>
# (C) COPYRIGHT 2001, Patrick Lewis <plewis@inetarena.com>
#
# This library is free software; you can redistribute it and/or modify
# it under the terms of either:
#
# The LGPL as published by the Free Software Foundation, version
# 2.1, available at: https://www.gnu.org/licenses/lgpl-2.1.txt
#
# Or:
#
# The Mozilla Public License Version 2.0. You may obtain a copy of
# the License at https://www.mozilla.org/MPL/
#======================================================================
from Property import Property
from Time import Time
from Period import Period
from Duration import Duration
def RDate(arg):
class RDate_Time(Time):
def __init__(self,arg): Time.__init__(self,arg,"RDATE")
class RDate_Period(Period):
def __init__(self,arg): Period.__init__(self,arg,"RDATE")
p = None
for c in [RDate_Time, RDate_Period]:
try: return c(arg)
except Property.ConstructorFailedError, d: pass
raise Property.ConstructorFailedError("Failed to construct RDATE from "+str(arg))
def Trigger(arg):
class Trigger_Time(Time):
def __init__(self,arg): Time.__init__(self,arg,"TRIGGER")
class Trigger_Duration(Duration):
def __init__(self,arg): Duration.__init__(self,arg,"TRIGGER")
p = None
for c in [Trigger_Duration, Trigger_Time]:
try: return c(arg)
except Property.ConstructorFailedError, d: pass
raise Property.ConstructorFailedError("Failed to construct TRIGGER from "+str(arg))
class Recurrence_Id(Time):
"""Class for RECURRENCE-ID property.
Usage:
Reccurence_Id(dict) # A normal property dictionary
Reccurence_Id("19960401") # An iCalendar string
Reccurence_Id(8349873494) # Seconds from epoch
If the 'dict' constructor is used, 'name' and 'value_type'
entries in dict are ignored and automatically set with the appropriate
values.
"""
def __init__(self, dict={}):
Time.__init__(self, dict)
Property.name(self, 'RECURRENCE-ID')
def name(self):
return Property.name(self)
def _doParam(self, parameter, v):
if v!=None:
self[parameter]=v
return self[parameter]
# Enumerated parameters
def value_parameter(self, v=None):
"""Sets or gets the VALUE parameter value.
The value passed should be either "DATE-TIME" or "DATE". Setting this
parameter has no impact on the property's value_type. Doing something
like:
rid=Recurrence_Id("19960401") # Sets value & makes value_type="DATE"
rid.value_parameter("DATE-TIME") # Sets the parameter VALUE=DATE-TIME
Would be allowed (even though it is wrong), so pay attention.
Verifying the component will reveal the error.
"""
if v!=None and v!="DATE" and v!="DATE-TIME":
raise ValueError, "%s is an invalid VALUE parameter value" % str(v)
self._doParam("VALUE", v)
def tzid(self, v=None):
"Sets or gets the TZID parameter value."
self._doParam("TZID", v)
def range_parameter(self, v=None): # 'range' is a builtin function
"Sets or gets the RANGE parameter value."
if v!=None and v!="THISANDPRIOR" and v!= "THISANDFUTURE":
raise ValueError, "%s is an invalid RANGE parameter value" % str(v)
self._doParam("RANGE", v)
class Attach(Property):
"""A class representing an ATTACH property.
Usage:
Attach(uriString [, parameter_dict])
Attach(fileObj [, parameter_dict])
"""
def __init__(self, value=None, parameter_dict={}):
Property.__init__(self, parameter_dict)
Property.name(self, 'ATTACH')
self.value(value)
def value(self, v=None):
"Returns or sets the value of the property."
if v != None:
if isinstance(v, StringType): # Is a URI
self._desc['value']=v
Property.value_type(self, 'URI')
else:
try:
tempStr = v.read()
except:
raise TypeError,"%s must be a URL string or file-ish type"\
% str(v)
self._desc['value'] = base64.encodestring(tempStr)
Property.value_type(self, 'BINARY')
else:
return self._desc['value']
def name(self):
"Returns the name of the property."
return Property.name(self)
def value_type(self):
return Property.value_type(self)
def fmttype(self, v=None):
"Gets or sets the FMTYPE parameter."
if v!= None:
self['FMTTYPE']=v
else:
return self['FMTTYPE']
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