Created
September 8, 2018 08:23
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OX Calexporter
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#!/usr/bin/env python3 | |
import sys | |
import os | |
from pick import pick | |
from icalendar import Calendar, Event, vDatetime | |
from datetime import datetime, date | |
from pytz import timezone | |
import mysql.connector as mc | |
# | |
# SQL Statements | |
# | |
# (user_id, mail) | |
sql_user = """ | |
SELECT user.id, user.mail FROM user | |
WHERE user.id > 2; | |
""" | |
# (user_id, cal_id, cal_name) | |
sql_cals = """ | |
SELECT oxtree.created_from, oxtree.fuid, oxtree.fname FROM oxfolder_tree AS oxtree | |
WHERE module = 2 AND type = 1 AND created_from > 2; | |
""" | |
# (user_id, cal_id, cal_name) | |
sql_events = """ | |
SELECT * FROM calendar_event AS ce, calendar_attendee AS ca | |
WHERE ce.id = ca.event AND ca.folder = {cid}; | |
""" | |
# | |
# Key mapping | |
# | |
k_map = [ | |
('uid', 'uid'), | |
('dtstamp', 'timestamp'), | |
#created | |
#createdBy | |
('last-modified', 'modified'), | |
#modifiedBy | |
('dtstart', 'start'), | |
('dtend', 'end'), | |
('allday', 'allDay'), | |
('rrule', 'rrule'), | |
('rdate', 'rDate'), | |
('exdate', 'exDate'), | |
('overriddendate', 'overriddenDate'), | |
('recurrence-id', 'recurrence'), | |
('sequence', 'sequence'), | |
('transp', 'transp'), | |
('class', 'class'), | |
('status', 'class'), | |
#organizer | |
('summary', 'summary'), | |
('location', 'location'), | |
('description', 'description'), | |
#categories | |
#color | |
#url | |
#geo | |
#rangefrom | |
#rangeuntil | |
#filename | |
#extProp | |
#account | |
#event | |
#entity | |
#uri | |
('cn', 'cn') | |
#folder | |
#cuType | |
#role | |
#patStart | |
#rsvp | |
#comment | |
#member | |
#transp | |
#extParam | |
] | |
stdtz = timezone('Europe/Berlin') | |
# | |
# MySQL Connection | |
# | |
try: | |
cnx = mc.connect(user='daenara', passwd='seibel', host='localhost', db='oxdatabase_5') | |
curs = cnx.cursor() | |
curs.execute(sql_user) | |
user = curs.fetchall() | |
curs.execute(sql_cals) | |
cals = curs.fetchall() | |
sel = pick([mail for _,mail in user], 'Select users for export: ', multi_select=True, min_selection_count=1) | |
sel = [uidx for _,uidx in sel] | |
sel_user = [user[uidx][0] for uidx in sel] | |
user_cals = [(dict(user)[cal[0]], cal[2], cal[1]) for cal in cals if cal[0] in sel_user] | |
sel = pick([mail + ': ' + name for mail, name, _ in user_cals], 'Select calendars for export: ', multi_select=True, min_selection_count=1) | |
sel = [cidx for _,cidx in sel] | |
sel_cals = [user_cals[cidx][2] for cidx in sel] | |
# loop over selected calendars: | |
exp_cals = [] | |
for cid in sel_cals: | |
curs.execute(sql_events.format(cid=cid)) | |
rows = curs.rowcount | |
res = curs.fetchall() | |
field_names = [i[0] for i in curs.description] | |
events = [{k: v for (k, v) in zip(field_names, e)} for e in res] | |
# single event for testing | |
#events = [events[0], events[1]] | |
cal = Calendar() | |
cal.add('prodid', 'quizzis iCal-exporter') | |
for e in events: | |
event = Event() | |
for kk in k_map: | |
if e[kk[1]] is not None: | |
if 'dt' in kk[0] and kk[0] is not 'dtstamp' and kk[0] is not 'last-modified': | |
if kk[0] is 'dtstart': | |
tz = e['startTimezone'] | |
else: | |
tz = e['endTimezone'] | |
if tz is None: | |
tz = stdtz | |
else: | |
tz = timezone(tz) | |
if e['allDay'] == 1: | |
dt = date.fromisoformat(str(e[kk[1]])[:-9]) | |
event.add(kk[0], dt) | |
else: | |
dt = datetime.fromisoformat(str(e[kk[1]])) | |
event.add(kk[0], dt.replace(tzinfo=tz)) | |
elif kk[0] is 'dtstamp' or kk[1] is 'modified': | |
event.add(kk[0], datetime.fromtimestamp(e[kk[1]]/1000, stdtz)) | |
elif kk[0] is 'rrule': | |
parts = e[kk[1]].split(';') | |
rrule = {k: v for k, v in [part.split('=') for part in parts]} | |
if 'UNTIL' in rrule.keys(): | |
try: | |
rrule['UNTIL'] = vDatetime.from_ical(rrule['UNTIL']) | |
except ValueError as err: | |
print(err) | |
print(e) | |
sys.exit(1) | |
if 'BYDAY' in rrule.keys() and len(rrule['BYDAY']) > 2: | |
rrule['BYDAY'] = rrule['BYDAY'].split(',') | |
event.add(kk[0], rrule) | |
elif kk[0] is 'exdate': | |
if ',' in e[kk[1]]: | |
dt = [vDatetime.from_ical(t) for t in e[kk[1]].split(',')] | |
dt = tuple(dt) | |
else: | |
dt = vDatetime.from_ical(e[kk[1]]) | |
event.add(kk[0], dt) | |
elif kk[0] is 'allday': | |
if e[kk[1]] == 1: | |
all = True | |
else: | |
all = False | |
event.add(kk[0], all) | |
else: | |
event[kk[0]] = e[kk[1]] | |
cal.add_component(event) | |
exp_cals.append(cal) | |
except mc.Error as e: | |
print("Error %d: %s" % (e.args[0]. e.args[1])) | |
sys.exit(1) | |
finally: | |
curs.close() | |
cnx.close() | |
def display(cal): | |
return cal.to_ical().decode('utf-8').replace('\r\n', '\n').strip() | |
cdir = os.getcwd() | |
print('Exportet calendars:') | |
for idx,cal in enumerate(exp_cals): | |
caldat = [cal for cal in user_cals if cal[2] == sel_cals[idx]][0] | |
print(caldat[0:2]) | |
with open(os.path.join(cdir, caldat[0]+'_'+caldat[1]+'.ics'), 'wb') as f: | |
f.write(cal.to_ical()) |
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