112 lines
3.8 KiB
Python
112 lines
3.8 KiB
Python
import yaml
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import caldav
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import sys
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if len(sys.argv) > 1:
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import os
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os.chdir(sys.argv[1])
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with open('auth.yaml') as f:
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auth = yaml.full_load(f)
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try:
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with open('data.yaml') as f:
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known = yaml.full_load(f)
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except:
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known = {}
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logins = {}
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for login, content in auth['logins'].items():
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logins[login] = caldav.DAVClient(url=content['url'], username=content['user'], password=content['password'])
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cals = []
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cal_evts = {}
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for cal in auth['cals']:
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cals.append(caldav.Calendar(client = logins[cal['login']], url = cal['url']))
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cal_evts[cals[-1].canonical_url] = [ evt.vobject_instance.vevent.uid.value for evt in cals[-1].events() ]
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changed = {}
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deleted = {}
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def cal_contains_uid(cal, uid):
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return uid in cal_evts[cal.canonical_url]
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for cal in cals:
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print("Checking %s" % (cal.canonical_url,))
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for event in cal.events():
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uid = event.vobject_instance.vevent.uid.value
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data = event.data
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entry = (cal.canonical_url, event)
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if uid not in known:
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print("Found new event with summary %s" % (event.vobject_instance.vevent.summary.value,))
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if uid not in changed:
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changed[uid] = [entry]
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else:
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changed[uid].append(entry)
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else:
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if data != known[uid]:
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print("Found changed event with summary %s" % (event.vobject_instance.vevent.summary.value,))
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if uid not in changed:
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changed[uid] = [entry]
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else:
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changed[uid].append(entry)
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print("Checking for deletions")
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for uid, data in known.items():
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for cal in cals:
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if not cal_contains_uid(cal, uid):
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print("Item with uid %s got deleted in %s" % (uid, cal.canonical_url))
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if uid not in deleted:
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deleted[uid] = [cal.canonical_url]
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else:
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deleted[uid].append(cal.canonical_url)
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for uid, arr in changed.items():
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if uid in deleted:
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print("Changed/new entry with UID (%s), summary \"%s\" was also deleted, recreating it." % (uid, arr[0][1].vobject_instance.vevent.uid.value), file=sys.stderr)
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print("Deletions in:", file=sys.stderr)
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for cal in deleted[uid]:
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print(" - %s" % (cal,), file=sys.stderr)
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print("Changes in:", file=sys.stderr)
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for entry in arr:
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print(" - %s" % (entry[0],), file=sys.stderr)
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print("", file=sys.stderr)
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del deleted[uid]
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if len(set([entry[1].data for entry in arr])) != 1:
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print("Multiple changed/new entries with the same UID (%s) detected:" % (uid,), file=sys.stderr)
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for ev in arr:
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print(" %s: %s" % (ev[0], ev[1].vobject_instance.vevent.summary.value), file = sys.stderr)
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continue
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entry = arr[0]
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changed_cals = [ entry[0] for entry in arr ]
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for cal in cals:
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if cal.canonical_url not in changed_cals:
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try:
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old = cal.event_by_uid(uid)
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print("Overwriting event from %s with data %s (source: %s)" % (cal.canonical_url, repr(old.data), changed_cals))
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new = False
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except:
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new = True
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cal.save_event(entry[1].data)
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if new:
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print("Creating new event in %s with summary %s" % (cal.canonical_url, cal.event_by_uid(uid).vobject_instance.vevent.summary.value))
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known[uid] = entry[1].data
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for uid in deleted:
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for cal in cals:
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if cal_contains_uid(cal, uid):
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evt = cal.event_by_uid(uid)
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print("Deleting event from %s with data %s (source: %s)" % (cal.canonical_url, repr(evt.data), deleted[uid]))
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cal.event_by_uid(uid).delete()
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del known[uid]
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print("Done.")
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print()
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with open("data.yaml", "w") as f:
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yaml.dump(known, f)
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