mirror of
https://github.com/Kozea/Radicale.git
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84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
# -*- coding: utf-8; indent-tabs-mode: nil; -*-
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#
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# This file is part of Radicale Server - Calendar Server
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# Copyright © 2008-2009 Guillaume Ayoub
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# Copyright © 2008 Nicolas Kandel
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# Copyright © 2008 Pascal Halter
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Radicale. If not, see <http://www.gnu.org/licenses/>.
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"""
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iCal parsing functions.
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"""
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# TODO: Manage filters (see xmlutils)
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import calendar
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def write_calendar(headers=[
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calendar.Header("PRODID:-//Radicale//NONSGML Radicale Server//EN"),
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calendar.Header("VERSION:2.0")],
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timezones=[], todos=[], events=[]):
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"""Create calendar from ``headers``, ``timezones``, ``todos``, ``events``."""
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# TODO: Manage encoding and EOL
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cal = u"\n".join((
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u"BEGIN:VCALENDAR",
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u"\n".join([header.text for header in headers]),
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u"\n".join([timezone.text for timezone in timezones]),
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u"\n".join([todo.text for todo in todos]),
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u"\n".join([event.text for event in events]),
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u"END:VCALENDAR"))
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return u"\n".join([line for line in cal.splitlines() if line])
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def headers(vcalendar):
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"""Find Headers items in ``vcalendar``."""
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headers = []
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lines = vcalendar.splitlines()
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for line in lines:
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if line.startswith("PRODID:"):
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headers.append(calendar.Header(line))
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for line in lines:
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if line.startswith("VERSION:"):
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headers.append(calendar.Header(line))
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return headers
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def _parse(vcalendar, tag, obj):
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"""Find ``tag`` items in ``vcalendar``.
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Return a list of items of type ``obj``.
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"""
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items = []
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lines = vcalendar.splitlines()
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inItem = False
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itemLines = []
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for line in lines:
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if line.startswith("BEGIN:%s" % tag):
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inItem = True
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itemLines = []
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if inItem:
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# TODO: Manage encoding
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itemLines.append(line)
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if line.startswith("END:%s" % tag):
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items.append(obj("\n".join(itemLines)))
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return items
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events = lambda vcalendar: _parse(vcalendar, "VEVENT", calendar.Event)
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todos = lambda vcalendar: _parse(vcalendar, "VTODO", calendar.Todo)
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timezones = lambda vcalendar: _parse(vcalendar, "VTIMEZONE", calendar.Timezone)
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