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#!/usr/bin/python2.7
## (the icalendar library is not ported to python3?)
import argparse
import urlparse
import pytz
from datetime import datetime, timedelta
import dateutil.parser
from icalendar import Calendar,Event
from caldavclientlibrary.client.account import CalDAVAccount
from caldavclientlibrary.protocol.url import URL
import uuid
import json
import os
import logging
__version__ = "0.04"
__author__ = "Tobias Brox"
__author_short__ = "tobixen"
__copyright__ = "Copyright 2013, Tobias Brox"
#__credits__ = []
__license__ = "GPL"
__maintainer__ = "Tobias Brox"
__email__ = "t-calendar-cli@tobixen.no"
__status__ = "Development"
__product__ = "calendar-cli"
def niy(*args, **kwargs):
raise NotImplementedError
def caldav_connect(args):
# Create the account
splits = urlparse.urlsplit(args.caldav_url)
ssl = (splits.scheme == "https")
return CalDAVAccount(splits.netloc, ssl=ssl, user=args.caldav_user, pswd=args.caldav_pass, root=(splits.path or '/'), principal=None, logging=args.debug_logging)
def calendar_add(caldav_conn, args):
cal = Calendar()
cal.add('prodid', '-//{author_short}//{product}//{language}'.format(author_short=__author_short__, product=__product__, language=args.language))
cal.add('version', '2.0')
if args.timezone:
tz = pytz.timezone(args.timezone)
event = Event()
## read timestamps from arguments
dtstart = dateutil.parser.parse(args.event_time)
event.add('dtstart', dtstart)
## TODO: handle duration and end-time as options. default 3600s by now.
event.add('dtend', dtstart + timedelta(0,3600))
## not really correct, and it breaks i.e. with google calendar
#event.add('dtstamp', datetime.now())
## maybe we should generate some uid?
uid = uuid.uuid1()
event.add('uid', str(uid))
event.add('summary', ' '.join(args.description))
cal.add_component(event)
if args.icalendar:
print(cal.to_ical())
return
if args.calendar_url:
splits = urlparse.urlsplit(args.calendar_url)
if splits.path.startswith('/') or splits.scheme:
## assume fully qualified URL or absolute path
calendar = args.calendar_url
else:
## assume relative path
calendar = args.caldav_url + args.calendar_url
else:
## Find default calendar
calendar = caldav_conn.getPrincipal().listCalendars()[0].path
## Unique file name
if not calendar.endswith('/'):
calendar += '/'
url = URL(calendar + str(uid) + '.ics')
caldav_conn.session.writeData(url, cal.to_ical(), 'text/calendar', method='PUT')
def main():
## This boilerplate pattern is from
## http://stackoverflow.com/questions/3609852
## We want defaults for the command line options to be fetched from the config file
# Parse any conf_file specification
# We make this parser with add_help=False so that
# it doesn't parse -h and print help.
conf_parser = argparse.ArgumentParser(
description=__doc__, # printed with -h/--help
# Don't mess with format of description
formatter_class=argparse.RawDescriptionHelpFormatter,
# Turn off help, so we print all options in response to -h
add_help=False
)
conf_parser.add_argument("--config-file",
help="Specify config file", metavar="FILE", default=os.getenv('XDG_CONFIG_HOME', os.getenv('HOME', '~') + '/.config')+'/calendar.conf')
conf_parser.add_argument("--config-section",
help="Specify config section; allows several caldav servers to be configured in the same config file", default='default')
args, remaining_argv = conf_parser.parse_known_args()
config = {}
try:
with open(args.config_file) as config_file:
config = json.load(config_file)
except IOError:
## File not found
logging.info("no config file found")
except ValueError:
logging.error("error in config file", exc_info=True)
raise
defaults = config.get(args.config_section, {})
# Parse rest of arguments
# Don't suppress add_help here so it will handle -h
parser = argparse.ArgumentParser(
# Inherit options from config_parser
parents=[conf_parser]
)
parser.set_defaults(**defaults)
## Global options
parser.add_argument("--icalendar", help="Do not connect to CalDAV server, but read/write icalendar format from stdin/stdout", action="store_true")
parser.add_argument("--timezone", help="Timezone to use")
parser.add_argument('--language', help="language used", default="EN")
parser.add_argument("--caldav-url", help="Full URL to the caldav server", metavar="URL")
parser.add_argument("--caldav-user", help="username to log into the caldav server", metavar="USER")
parser.add_argument("--caldav-pass", help="password to log into the caldav server", metavar="PASS")
parser.add_argument("--debug-logging", help="turn on debug logging", action="store_true")
## TODO: check sys.argv[0] to find command
## TODO: set up logging
subparsers = parser.add_subparsers(title='command')
calendar_parser = subparsers.add_parser('calendar')
calendar_parser.add_argument("--calendar-url", help="URL for calendar to be used (may be absolute or relative to caldav URL)")
calendar_subparsers = calendar_parser.add_subparsers(title='subcommand')
calendar_add_parser = calendar_subparsers.add_parser('add')
calendar_add_parser.add_argument('event_time', help="Timestamp and duration of the event. See the documentation for event_time specifications")
calendar_add_parser.add_argument('description', nargs='+')
calendar_add_parser.set_defaults(func=calendar_add)
calendar_agenda_parser = calendar_subparsers.add_parser('agenda')
calendar_agenda_parser.set_defaults(func=niy)
todo_parser = subparsers.add_parser('todo')
todo_parser.set_defaults(func=niy)
args = parser.parse_args(remaining_argv)
if not args.icalendar:
caldav_conn = caldav_connect(args)
ret = args.func(caldav_conn, args)
if __name__ == '__main__':
main()
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