X-Git-Url: https://git.ucc.asn.au/?p=frenchie%2Ficalparse.git;a=blobdiff_plain;f=parserrules.py;h=791a8608a6674742d54ff0edbf1625f9df25737d;hp=424de515cb496f91c58fd8dc71ee20af54851324;hb=48c718c022fd35a8c5b3f5c8872e22db74e35a10;hpb=1a7f8e3e07ffd99b36cbb0504b0359c089e9f3a4 diff --git a/parserrules.py b/parserrules.py index 424de51..791a860 100644 --- a/parserrules.py +++ b/parserrules.py @@ -51,14 +51,12 @@ def whatPrivacy(cal): for event in cal.vevent_list: if event.contents.has_key(u'class'): - del event.contents[u'class'] - # Bit of a hack as class is a reserved word in python - event.add('class').value = "PUBLIC" + getattr(event, 'class').value = "PUBLIC" return cal -def dropMSKeys(cal): - '''Drops microsoft keys, good for outlook, just bandwidth when not.''' +def dropAttributes(cal): + '''Removing unwanted metadata''' eventBlacklist = [x.lower() for x in [ "X-ALT-DESC", @@ -68,29 +66,99 @@ def dropMSKeys(cal): "X-MS-OLK-ALLOWEXTERNCHECK", "X-MS-OLK-AUTOSTARTCHECK", "X-MS-OLK-CONFTYPE", - "X-MS-OLK-AUTOFILLLOCATION" + "X-MS-OLK-AUTOFILLLOCATION", + "TRANSP", + "SEQUENCE", + "PRIORITY" + ]] + + mainBlacklist = [x.lower() for x in [ + "X-CLIPSTART", + "X-CALSTART", + "X-OWNER", + "X-MS-OLK-WKHRSTART", + "X-MS-OLK-WKHREND", + "X-WR-RELCALID", + "X-MS-OLK-WKHRDAYS", + "X-MS-OLK-APPTSEQTIME", + "X-CLIPEND", + "X-CALEND", + "VTIMEZONE", + "X-PRIMARY-CALENDAR" ]] for event in cal.vevent_list: for blacklist in eventBlacklist: if event.contents.has_key(blacklist): del event.contents[blacklist] + for blkl in mainBlacklist: + while blkl in cal.contents: del cal.contents[blkl] + return cal def exDate(cal): - '''Changes multi-EXDATE into singles (apple can't obey even simple specs)''' + '''Replacing multi-value EXDATES with multiple single-value EXDATES''' + + from datetime import datetime + from pytz import timezone + + default = timezone('Australia/Perth') + for event in cal.vevent_list: if not event.contents.has_key(u'exdate'): continue dates = event.exdate.value - try: tzid = event.exdate.tzid_param - except AttributeError: tzid = '' del event.contents[u'exdate'] for date in dates: + print date + if isinstance(date, datetime): + if date.tzinfo is None: date = date.replace(tzinfo = default) + date = date.astimezone(vobject.icalendar.utc) + print date entry = event.add(u'exdate') entry.value = [date] - if tzid: entry.tzid_param = tzid return cal + +def utcise(cal): + '''Removing local timezones in favour of UTC''' + + from datetime import datetime + from pytz import timezone + + default = timezone('Australia/Perth') + + 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 +