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import json
import os
import re
import time
import urllib2
import urlparse
from sqlalchemy import inspect
from rcal.db import Session
from rcal.model import Calendar, Category
BASEPATH = os.path.join(
os.environ['PYTHONPATH'],
'..',
'..')
CONFIG = json.load(open(
os.path.join(
os.environ['PYTHONPATH'],
'config',
'reddit-import.json'),
'r'))
def get_cal_list():
cache_path = os.path.join(
BASEPATH,
CONFIG['cache'])
if not os.path.exists(cache_path) or \
int(time.time()) - int(os.path.getmtime(cache_path)) > \
CONFIG['cache_time']:
opener = urllib2.build_opener()
opener.addheaders = [('User-Agent', CONFIG['user_agent'])]
cal_list = json.loads(opener.open(CONFIG['reddit_url']).read())
cal_list = cal_list['data']['content_md']
with open(cache_path, 'w') as cache_file:
cache_file.write(cal_list)
cache_file.close()
else:
cal_list = open(cache_path, 'r').read()
return cal_list
def update_calendar(cal, session):
db_cal = Calendar.fetch(cal['uid'], session)
if inspect(db_cal).pending:
print 'Adding calendar %s (%s)' % (cal['name'], cal['uid'])
db_cal.name = cal['name']
db_cal.url = cal['url']
db_cal.website = cal['website']
db_cal.category = Category.fetch(cal['category'], session)
if db_cal.name != cal['name']:
print 'Updating calendar name: %s -> %s (%s)' % (
db_cal.name, cal['name'], db_cal.uid)
db_cal.name = cal['name']
if db_cal.url != cal['url']:
print 'Updating calendar url: %s -> %s (%s)' % (
db_cal.url, cal['url'], db_cal.uid)
db_cal.url = cal['url']
if db_cal.website != cal['website']:
print 'Updating calendar website: %s -> %s (%s)' % (
db_cal.website, cal['website'], db_cal.uid)
db_cal.website = cal['website']
cal['category'] = CONFIG['category_mapping'][cal['category']] \
if ('category_mapping' in CONFIG \
and cal['category'] in CONFIG['category_mapping']) \
else cal['category']
# informational only
if db_cal.category.name != cal['category']:
print 'Calendar category changed: %s -> %s (%s, %s)' % (
db_cal.category.name, cal['category'], db_cal.name, db_cal.uid)
def get_imported_calendars(cells, ical_markdown):
imported_calendars = []
for row in cells:
row = [r for r in row if r.strip()]
if len(row) == 5:
markdown_match = re.match(ical_markdown, row[2])
if markdown_match:
ical_url = urlparse.urlparse(markdown_match.group(1))
if ical_url.netloc == 'calendar.google.com':
ical_path = re.sub(
'^/?calendar/ical/', '', ical_url.path).split('/')
if len(ical_path) == 3:
imported_calendars.append({
'uid': ical_path[0],
'url': ical_url.geturl(),
'name': row[0],
'website': row[4].split()[0],
'category': row[1]
})
else:
print 'Unknown iCal URL format: %s' % (
ical_url.geturl())
else:
print 'Unknown iCal URL format: %s' % (
ical_url.geturl())
return imported_calendars
def main():
session = Session.create()
cal_list = get_cal_list()
ical_markdown = re.compile(r'^\[iCal\]\((.*)\)$')
cells = [row.split('|') for row in cal_list.split('\n')]
imported_calendars = get_imported_calendars(cells, ical_markdown)
imported_calendar_uids = [c['uid'] for c in imported_calendars]
db_only_calendars = session.query(Calendar).filter(
~Calendar.uid.in_(imported_calendar_uids)).all()
if len(db_only_calendars):
print 'Local calendars not in remote source:'
for cal in db_only_calendars:
print '%s (%s)' % (cal.name, cal.uid)
print
for cal in imported_calendars:
update_calendar(cal, session)
session.commit()
if __name__ == '__main__':
main()
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