1 files changed, 101 insertions, 1 deletions
diff --git a/libical/src/python/DerivedProperties.py b/libical/src/python/DerivedProperties.py
index b557a1f7d7..81248fe7b7 100644
--- a/libical/src/python/DerivedProperties.py
+++ b/libical/src/python/DerivedProperties.py
@@ -25,7 +25,10 @@
 #    the License at http://www.mozilla.org/MPL/
 #======================================================================
 
-from Property import Time, Period, Duration
+from Property import Property
+from Time import Time
+from Period import Period
+from Duration import Duration
 
 def RDate(arg):
 
@@ -57,3 +60,100 @@ def Trigger(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']
+