def mergeOrderedArrays(self, first_list, first_field, second_list, second_field):
merge = []
first_index = 0
second_index = 0
while first_index < len(first_list) and second_index < len(second_list):
first = first_list[first_index]
second = second_list[second_index]
first_date = iso8601.parse_date(first[first_field])
second_date = iso8601.parse_date(second[second_field])
if first_date > second_date:
merge.append(first)
first_index += 1
else:
merge.append(second)
second_index += 1
merge.extend(first_list[first_index:])
merge.extend(second_list[second_index:])
return merge
def eventFromData(self, data):
"""
costruisce una istanza di Event a partire da un evento di facebook
o ritorna l'istanza salvata se esiste
"""
# read event if exists
query = Event.all()
query.filter('facebook_id =', data["id"])
event = query.get()
if event:
return event
# create new event
if not "venue" in data:
return None
venue = data["venue"]
if not "latitude" in venue or not "longitude" in venue:
return None
coordinate = db.GeoPt(venue["latitude"], venue["longitude"])
event = Event(facebook_id = data["id"], location = coordinate, name = data["name"])
if "location" in data:
event.venue_name = data["location"]
if "country" in venue:
event.country = venue["country"]
event.address = self.postalAddressFromVenueData(venue)
event.period = [iso8601.parse_date(data["start_time"]), iso8601.parse_date(data["end_time"])]
if "description" in data:
event.description = data["description"]
if "picture" in data:
event.picture_url = data["picture"]
event.put()
return event
def test_compare_iso_dates(self):
first_date = iso8601.parse_date("2011-01-12T12:30:55+0000")
second_date = iso8601.parse_date("2011-02-04T05:30:00+0000")
self.assertTrue(first_date < second_date)
first_date = iso8601.parse_date("2012-01-12T12:30:55+0000")
second_date = iso8601.parse_date("2010-02-04T05:30:00+0000")
self.assertTrue(first_date > second_date)
first_date = iso8601.parse_date("2010-01-20T10:30:55+0000")
second_date = iso8601.parse_date("2010-01-20T12:30:55+02:00")
self.assertEqual(first_date, second_date)
def parse_iso_date(date_str): """Wrapper around iso8601 library.""" return iso8601.parse_date(date_str)
