Fixed the unfold function

* Correctly identifies folds and removes them
* Checks for a complete ICS file before doing anything

diff --git a/icalparse.py b/icalparse.py
index 110a19a..780750b 100755 (executable)
--- a/icalparse.py
+++ b/icalparse.py
@@ -24,8 +24,11 @@ import sys
 import urlparse
 import os
 
+
 class InvalidICS(Exception): pass
 class notJoined(Exception): pass
+class IncompleteICS(InvalidICS): pass
+
 
 def lineJoiner(oldcal):
        '''Takes a string containing a calendar and returns an array of its lines'''
@@ -33,11 +36,14 @@ def lineJoiner(oldcal):
        if not oldcal[0:15] == 'BEGIN:VCALENDAR':
                raise InvalidICS, "Does not appear to be a valid ICS file"
 
+       if not 'END:VCALENDAR' in oldcal[-15:-1]:
+               raise IncompleteICS, "File appears to be incomplete"
+
        if list(oldcal) == oldcal:
                oldcal = '\r\n'.join(oldcal)
 
-       oldcal.replace('\r\n ', '')
-       return oldcal.split('\r\n')
+       oldcal = oldcal.replace('\r\n ', '').replace('\r\n\t','')
+       return oldcal.strip().split('\r\n')
 
 
 def lineFolder(oldcal, length=75):
@@ -63,6 +69,7 @@ def lineFolder(oldcal, length=75):
 
        return cal
 
+
 def getContent(url='',stdin=False):
        '''Generic content retriever, DO NOT use this function in a CGI script as
        it can read from the local disk (which you probably don't want it to).