From 119c93eda91587ecb96aea107c8f5442b73d145e Mon Sep 17 00:00:00 2001
From: Martin Ness <m.ness@martin89.de>
Date: Sun, 6 Apr 2014 22:37:31 +0200
Subject: [PATCH] first commit

---
 dl.sh     |  3 +++
 output.py | 20 +++++++++++++++++++
 run.sh    |  2 ++
 termin.py | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 85 insertions(+)
 create mode 100755 dl.sh
 create mode 100644 output.py
 create mode 100755 run.sh
 create mode 100644 termin.py

diff --git a/dl.sh b/dl.sh
new file mode 100755
index 0000000..075f5e8
--- /dev/null
+++ b/dl.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+# Donwload alle Termine mit Tag krautspace im ical Formart
+wget -O krautspace.ics "http://grical.org/s/?query=%23krautspace&view=ical"
diff --git a/output.py b/output.py
new file mode 100644
index 0000000..1a2f58f
--- /dev/null
+++ b/output.py
@@ -0,0 +1,20 @@
+import argparse
+import termin
+
+def output_format(termin_obj):
+    datum = termin_obj.get_local_start_time().strftime("%Y-%m-%d %H:%M")
+    name = termin_obj.get("SUMMARY")
+    return "%s: %s" % (datum, name)
+
+# Command Line Parser
+parser = argparse.ArgumentParser(description="Process some iCalender files.")
+parser.add_argument("--file", "-f", required=True, help="Some iCalender files")
+args = parser.parse_args()
+
+# Main
+fobj = open(args.file,"rb")
+data = fobj.read()
+liste = termin.load_from_str(data)
+# alle Termine ausgeben
+for item in liste:
+    print(output_format(item))
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..46b3753
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+python output.py -f krautspace.ics
diff --git a/termin.py b/termin.py
new file mode 100644
index 0000000..722e394
--- /dev/null
+++ b/termin.py
@@ -0,0 +1,60 @@
+from icalendar import Calendar
+import pytz
+
+class Termin(object):
+    #keys = ('DTSTAMP', 'DESCRIPTION', 'URL', 'SUMMARY', 'LOCATION', 'DTSTART', 'GEO', 'CLASS', 'CATEGORIES', 'UID')
+    keys = ('DTSTAMP', 'DESCRIPTION', 'URL', 'SUMMARY', 'LOCATION', 'DTSTART', 'CLASS', 'CATEGORIES', 'UID')
+
+    @staticmethod 
+    def from_entry(entry):
+        """
+        baut aus einem iCalender eintrag ein Termin Objekt
+        """
+        termin = Termin()
+        for key in Termin.keys:
+            if key in entry:
+                termin.value[key] = entry.decoded(key)
+        return termin
+
+    def __init__(self):
+        self.value = {}
+
+    def get(self, name):
+        return self.value[name]
+
+    def get_local_start_time(self):
+        """
+        x.get_local_start_time() -> datum
+
+        Gibt start Zeitpunkt des begines von Termin x in lokaler Zeit zurueck
+        datum ist ein Objekt.
+        """
+        datum = self.value["DTSTART"]
+        # wenn keine Zeitzone angeben ist, nehme UTC an
+        if not datum.tzinfo:
+            src_zone = pytz.timezone("UTC")
+            datum = src_zone.localize(datum)
+        # und jetzt umwandeln
+        dst_zone = pytz.timezone("Europe/Berlin")
+        return datum.astimezone(dst_zone)
+
+    def __str__(self):
+        datum = self.get_local_start_time().strftime("%Y-%m-%d %H:%M")
+        if "DESCRIPTION" in self.value:
+            return "%s: %s - %s" % (datum, self.value["SUMMARY"], self.value["DESCRIPTION"])
+        return "%s: %s" % (datum, self.value["SUMMARY"])
+
+def load_from_str(data):
+    """
+    load_from_str(data) -> list
+
+    Konvertiert eine gelesene iCalender Datei in eine nach Datum sortierte Liste von Termin Objekten.
+    data is String
+    list is a list from Termin objects
+    """
+    cal = Calendar.from_ical(data)
+    # aus dem ical eine Liste von Termin Objekten bauen
+    liste = [Termin.from_entry(entry) for entry in cal.subcomponents]
+    # liste nach Datum sortieren
+    liste.sort(key=lambda datum: datum.get("DTSTART").timetuple())
+    return liste