134 lines
3.8 KiB
Python
Executable file
134 lines
3.8 KiB
Python
Executable file
#!/usr/bin/env python
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import os
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import sys
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import time
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import errno
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import datetime
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import optparse
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import urlparse
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import itertools
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import traceback
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from os import path
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sys.path.append(path.join(path.dirname(__file__), '../api'))
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import humbug
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parser = optparse.OptionParser(r"""
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%prog \
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--user foo@humbughq.com \
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--calendar http://www.google.com/calendar/feeds/foo%40humbughq.com/private-fedcba9876543210fedcba9876543210/basic
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Send yourself reminders on Humbug of Google Calendar events.
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To get the calendar URL:
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- Load Google Calendar in a web browser
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- Find your calendar in the "My calendars" list on the left
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- Click the down-wedge icon that appears on mouseover, and select "Calendar settings"
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- Copy the link address for the "XML" button under "Private Address"
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Run this on your personal machine. Your API key and calendar URL are revealed to local
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users through the command line.
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Depends on: python-gdata
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""")
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parser.add_option('--calendar',
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dest='calendar',
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action='store',
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help='Google Calendar XML "Private Address"',
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metavar='URL')
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parser.add_option('--interval',
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dest='interval',
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default=10,
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type=int,
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action='store',
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help='Minutes before event for reminder [default: 10]',
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metavar='MINUTES')
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parser.add_option_group(humbug.generate_option_group(parser))
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(options, args) = parser.parse_args()
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if not (options.user and options.calendar):
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parser.error('You must specify --user and --calendar')
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try:
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from gdata.calendar.client import CalendarClient
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except ImportError:
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parser.error('Install python-gdata')
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def get_calendar_url():
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parts = urlparse.urlparse(options.calendar)
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pat = path.split(parts.path)
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if pat[1] != 'basic':
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parser.error('The --calendar URL should be the XML "Private Address" ' +
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'from your calendar settings')
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return urlparse.urlunparse((parts.scheme, parts.netloc, pat[0] + '/full',
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'', 'futureevents=true&orderby=startdate', ''))
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calendar_url = get_calendar_url()
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client = humbug.init_from_options(options)
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def get_events():
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feed = CalendarClient().GetCalendarEventFeed(uri=calendar_url)
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for event in feed.entry:
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start = event.when[0].start.split('.')[0]
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# All-day events can have only a date
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fmt = '%Y-%m-%dT%H:%M:%S' if 'T' in start else '%Y-%m-%d'
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start = datetime.datetime.strptime(start, fmt)
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yield (event.uid.value, start, event.title.text)
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# Our cached view of the calendar, updated periodically.
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events = []
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# Unique keys for events we've already sent, so we don't remind twice.
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sent = set()
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def send_reminders():
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global sent
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messages = []
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keys = set()
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now = datetime.datetime.now()
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for uid, start, title in events:
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dt = start - now
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if dt.days == 0 and dt.seconds < 60*options.interval:
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# The unique key includes the start time, because of
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# repeating events.
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key = (uid, start)
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if key not in sent:
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line = '%s starts at %s' % (title, start.strftime('%H:%M'))
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print 'Sending reminder:', line
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messages.append(line)
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keys.add(key)
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if not messages:
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return
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if len(messages) == 1:
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message = 'Reminder: ' + messages[0]
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else:
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message = 'Reminder:\n\n' + '\n'.join('* ' + m for m in messages)
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client.send_message(dict(
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type = 'private',
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to = options.user,
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content = message))
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sent |= keys
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# Loop forever
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for i in itertools.count():
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try:
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# We check reminders every minute, but only
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# download the calendar every 10 minutes.
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if not i % 10:
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events = list(get_events())
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send_reminders()
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except:
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traceback.print_exc()
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time.sleep(60)
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