X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=parserrules.py;h=a2175fed34e8168e62384de0275274f164be1b93;hb=ae40266069204ee411350d5fd3d31f40d89187af;hp=61a09e58e9be7b461a810e124a4cb1c9cc351eab;hpb=48d87039714129b0798a4efba2938d15190af7d8;p=frenchie%2Ficalparse.git

diff --git a/parserrules.py b/parserrules.py
index 61a09e5..a2175fe 100644
--- a/parserrules.py
+++ b/parserrules.py
@@ -1,18 +1,125 @@
 #!/usr/bin/python
+#
+# Copyright (c) 2011 James French <frenchie@frenchie.id.au>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
 
-# This file describes a series of rules which will be called on an ics file as
-# rule(key, value)
+# This file describes a series of rules which must handle a vobject object and
+# return it to the calling script
 
-# 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 a value which
-# is boolean False will remove the offending line from the final  ICS. The easiest way
-# to pass a line back without changing it is to return True.
+# 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
+import vobject
 
-def markEventsPublic(key, value):
-	'''Marking private events public'''
-	# Required as google are strict about the CLASS:PRIVATE/CLASS:CONFIDENTIAL lines
-	if key == 'CLASS':
-		return (key, 'PUBLIC')
-	return True
+ruleConfig = {}
+ruleConfig["defaultTZ"] = "UTC"
+
+def facebookOrganiser(cal):
+	'''Adds organiser details to the body of facebook calendars.'''
+
+	if cal.contents.has_key(u'prodid'):
+		if not "Facebook" in cal.prodid.value: return cal
+
+	for event in cal.vevent_list:
+		if not event.contents.has_key(u'organizer'): continue
+		try:
+			a = event.organizer.cn_paramlist
+			organizer = "Organised by: " + event.organizer.cn_param + " ("
+			organizer += event.organizer.value.lstrip('MAILTO:') + ")\n\n"
+			event.description.value = organizer + event.description.value
+		except AttributeError:
+			organizer = "Organized by: " + event.organizer.value
+			event.description.value = organizer + "\n\n" + event.description.value
+	return cal
+
+def whatPrivacy(cal):
+	'''Marks events public so google calendar doesn't have a sad about them.'''
+
+	for event in cal.vevent_list:
+		if event.contents.has_key(u'class'):
+			# Bit of a hack as class is a reserved word in python
+			del event.contents[u'class']
+			event.add('class').value = "PUBLIC"
+
+	return cal
+
+def exDate(cal):
+	'''Replacing multi-value EXDATES with multiple single-value EXDATES'''
+
+	from datetime import datetime
+	from pytz import timezone
+
+	default = timezone(ruleConfig["defaultTZ"])
+
+	for event in cal.vevent_list:
+		if not event.contents.has_key(u'exdate'): continue
+		dates = event.exdate.value
+
+		del event.contents[u'exdate']
+
+		for date in dates:
+			if isinstance(date, datetime):
+				if date.tzinfo is None: date = date.replace(tzinfo = default)
+				date = date.astimezone(vobject.icalendar.utc)
+			entry = event.add(u'exdate')
+			entry.value = [date]
+
+	return cal
+
+def utcise(cal):
+	'''Removing local timezones in favour of UTC. If the remote calendar specifies a timezone
+	then use it, otherwise assume it's in the user-specified or default values'''
+
+	from datetime import datetime
+	from pytz import timezone
+
+	default = timezone(ruleConfig["defaultTZ"])
+
+	for event in cal.vevent_list:
+		dtstart = getattr(event, 'dtstart', None)
+		dtend = getattr(event, 'dtend', None)
+
+		for i in (dtstart, dtend):
+			if not i: continue
+			dt = i.value
+			if isinstance(dt, datetime):
+				if dt.tzinfo is None: dt = dt.replace(tzinfo = default)
+				i.value = dt.astimezone(vobject.icalendar.utc)
+
+	return cal
+
+def unwantedParams(cal):
+	'''Removing unwanted parameters'''
+
+	blklist = [
+		"LANGUAGE",
+		"X-VOBJ-ORIGINAL-TZID",
+		"TZID"
+	]
+
+	for event in cal.vevent_list:
+		for attr in event.contents:
+			attr = getattr(event, attr)
+			try:
+				for i in blklist:
+					while i in attr.params: del attr.params[i]
+			except AttributeError: continue
+
+	return cal