My shell portfolio begins

next_apointment.py

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+#!/usr/bin/env python
+from datetime import datetime, timedelta
+from dateutil import parser
+import re
+from sys import exit
+import caldav
+ 
+# time offset
+time_offset = 2
+# user
+cal_user = 'danielh'
+# password
+cal_passwd = 'foobar'
+# define you caldav URL here
+caldav_url = \
+            "http://{0}:{1}@office.hauck.it/remote.php/caldav/calendars/danielh/personal"\
+            .format(cal_user, cal_passwd)
+ 
+# connect to you caldav instance
+def connect(url):
+    client = caldav.DAVClient(url)
+    principal = client.principal()
+    return principal.calendars()[0]
+ 
+# get you next appointment for today
+ 
+def parse_eventdata(event):
+    parsed_event = {}
+    for item in event.data.split("\n"):
+        if re.match("^DTSTART\;", item):
+            dto = parser.parse(item.split(";")[1].split(":")[1])\
+                         + timedelta(hours=time_offset)
+        if re.match("^SUMMARY\:", item):
+            title = item.split(":")[1]
+    return {
+                "title":    title,
+                "start":    dto.strftime("%H:%M"),
+           }
+try:     
+    calendar = connect(caldav_url)
+    latest_event = calendar.date_search(datetime.utcnow(), datetime.now().date() + timedelta(days=1))[-1]
+except IndexError:
+    print "Nothing to do"
+    exit(0)
+ 
+print '{start} {title}'.format(**parse_eventdata(latest_event))
+