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'''
def splitFields(cal):
- '''Takes a list of lines in a calendar file and returns a list of key, value pairs'''
+ '''Takes a list of lines in a calendar file and returns a list of tuples
+ as (key, value) pairs'''
ical = [tuple(x.split(':',1)) for x in cal]
def joinFields(ical):
- '''Takes a list of tuples that make up a calendar file and returns a list of lines'''
+ '''Takes a list of tuples that make up a calendar file and returns it to a
+ list of lines'''
return [':'.join(x) for x in ical]
def getHTTPContent(url='',cache='.httplib2-cache'):
'''This function attempts to play nice when retrieving content from HTTP
- services. It's what you should use in a CGI script. It will (by default)
- slurp the first 20 bytes of the file and check that we are indeed looking
- at an ICS file before going for broke.'''
+ services. It's what you should use in a CGI script.'''
try:
import httplib2
parser = OptionParser('usage: %prog [options] url')
parser.add_option('-s', '--stdin', action='store_true', dest='stdin',
default=False, help='Take a calendar from standard input')
+ parser.add_option('-v', '--verbose', action='store_true', dest='verbose',
+ default=False, help='Be verbose when rules are being applied')
parser.add_option('-o', '--output', dest='outfile', default='',
help='Specify output file (defaults to standard output)')
content = getContent(url, options.stdin)
cal = lineJoiner(content)
- ical = applyRules(splitFields(cal), generateRules())
+ ical = applyRules(splitFields(cal), generateRules(), options.verbose)
output = lineFolder(joinFields(ical))
writeOutput(output, options.outfile)
# This file describes a series of rules which will be called on an ics file as
# rule(key, value)
-# Your functions are expected to return a (key, value) tuple or they will be treated as
-# if they don't exist (ie, the line will go through unhindered). Returning an value which
-# is boolean False will remove the offending line from the final ICS (unless it's a None).
+# Your functions are expected to return a (key, value) tuple or they will be
+# treated as if they don't exist (ie, the line will go through unhindered).
+# Returning any boolean false value other than a None will return the line from
+# the final iCalendar file
-# The doc string will be presented to the user when run as verbose, so please be polite
+# The doc string will be presented to the user when run as verbose, so
+# please be polite
def markEventsPublic(key, value):
'''Marking private events public'''
- # Required as google are strict about the CLASS:PRIVATE/CLASS:CONFIDENTIAL lines
+ # Required as google are strict about the CLASS:PRIVATE/CLASS:CONFIDENTIAL
+ # lines and Facebook like to set them
if key == 'CLASS': return (key, 'PUBLIC')