Files added

git-svn-id: http://svn.32rwr.info/radicale/trunk@2 74e4794c-479d-4a33-9dda-c6c359d70f12

radicale/ical.py

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+# -*- coding: utf-8; indent-tabs-mode: nil; -*-
+#
+# This file is part of Radicale Server - Calendar Server
+# Copyright © 2008 The Radicale Team
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
+
+# TODO: Manage filters (see xmlutils)
+# TODO: Factorize code
+
+import calendar
+
+def writeCalendar(headers=[], timezones=[], todos=[], events=[]):
+    """
+    Create calendar from headers, timezones, todos, events
+    """
+    # TODO: Manage encoding and EOL
+    return "\n".join((
+        "BEGIN:VCALENDAR",
+        "\n".join([header.text for header in headers]),
+        "\n".join([timezone.text for timezone in timezones]),
+        "\n".join([todo.text for todo in todos]),
+        "\n".join([event.text for event in events]),
+        "END:VCALENDAR"))
+
+def events(vcalendar):
+    """
+    Find VEVENT Items in vcalendar
+    """
+    events = []
+
+    lines = vcalendar.splitlines()
+    inEvent = False
+    eventLines = []
+
+    for line in lines:
+        if line.startswith("BEGIN:VEVENT"):
+            inEvent = True
+            eventLines = []
+
+        if inEvent:
+            # TODO: Manage encoding
+            eventLines.append(line)
+            if line.startswith("END:VEVENT"):
+                events.append(calendar.Event("\n".join(eventLines)))
+
+    return events
+
+def headers(vcalendar):
+    """
+    Find Headers Items in vcalendar
+    """
+    headers = []
+
+    lines = vcalendar.splitlines()
+    for line in lines:
+        if line.startswith("PRODID:"):
+            headers.append(calendar.Header(line))
+    for line in lines:
+        if line.startswith("VERSION:"):
+            headers.append(calendar.Header(line))
+
+    return headers
+    
+def timezones(vcalendar):
+    """
+    Find VTIMEZONE Items in vcalendar
+    """
+    timezones = []
+
+    lines = vcalendar.splitlines()
+    inTz = False
+    tzLines = []
+
+    for line in lines:
+        if line.startswith("BEGIN:VTIMEZONE"):
+            inTz = True
+            tzLines = []
+
+        if inTz:
+            tzLines.append(line)
+            if line.startswith("END:VTIMEZONE"):
+                timezones.append(calendar.Timezone("\n".join(tzLines)))
+
+    return timezones
+
+def todos(vcalendar):
+    """
+    Find VTODO Items in vcalendar
+    """
+    todos = []
+
+    lines = vcalendar.splitlines()
+    inTodo = False
+    todoLines = []
+
+    for line in lines:
+        if line.startswith("BEGIN:VTODO"):
+            inTodo = True
+            todoLines = []
+
+        if inTodo:
+            # TODO: Manage encoding
+            todoLines.append(line)
+            if line.startswith("END:VTODO"):
+                todos.append(calendar.Todo("\n".join(todoLines)))
+
+    return todos