def cache_image_and_get_size(event):
# For testing purposes:
if event.full_image_url.startswith('test:'):
return 100, 100
else:
mimetype, response = _raw_get_image(event)
try:
gcs.put_object(EVENT_IMAGE_BUCKET, _event_image_filename(event.id),
response)
_clear_out_resize_caches(event.id)
except:
if runtime.is_local_appengine():
logging.exception('Error saving event image: %s', event.id)
else:
raise
img = images.Image(response)
return img.width, img.height
def get_people_rankings_for_city_names(city_names, attendees_only=False):
if runtime.is_local_appengine():
pr_city_categories = load_from_dev(city_names,
attendees_only=attendees_only)
else:
args = []
if attendees_only:
args = [PRCityCategory.person_type == 'ATTENDEE']
pr_city_categories = PRCityCategory.query(
PRCityCategory.city.IN(city_names), *args).fetch(100)
results = []
for city_category in pr_city_categories:
results.append(
PeopleRanking(city_category.city, city_category.category,
city_category.person_type,
city_category.top_people_json))
return results
def get_attendees_within(bounds, max_attendees):
city_names = _get_city_names_within(bounds)
logging.info('Loading PRCityCategory for top 10 cities: %s', city_names)
if not city_names:
return {}
memcache_key = 'AttendeeCache: %s' % hashlib.md5(
'\n'.join(city_names).encode('utf-8')).hexdigest()
memcache_result = memcache.get(memcache_key)
if memcache_result:
logging.info('Reading memcache key %s with value length: %s',
memcache_key, len(memcache_result))
result = json.loads(memcache_result)
else:
people_rankings = get_people_rankings_for_city_names(
city_names, attendees_only=True)
logging.info('Loaded %s People Rankings', len(people_rankings))
if runtime.is_local_appengine() and False:
for x in people_rankings:
logging.info(x.key)
for person in x.worthy_top_people():
logging.info(' - %s' % person)
groupings = combine_rankings(people_rankings, max_people=max_attendees)
result = groupings.get('ATTENDEE', {})
# Trim out the unnecessary names
for category_city, people in result.iteritems():
for person in people:
del person['name']
json_dump = json.dumps(result)
try:
logging.info('Writing memcache key %s with value length: %s',
memcache_key, len(json_dump))
memcache.set(memcache_key, json_dump, time=24 * 60 * 60)
except ValueError:
logging.warning(
'Error writing memcache key %s with value length: %s',
memcache_key, len(json_dump))
logging.warning('Tried to write: %s', json.dumps(result, indent=2))
return result
def import_cities():
# Download this file from http://download.geonames.org/export/dump/
# Generally we import locally (to avoid 30sec servlet limits), then download-and-upload data:
# appcfg.py download_data --application=dancedeets --kind="City" --url=http://127.0.0.1:8080/remote_api --filename=cities.db
# appcfg.py upload_data --application=dancedeets --kind="City" --url=http://dancedeets.appspot.com/remote_api --filename=cities.db
count = 0
for line in open('cities15000.txt'):
count += 1
if not count % 1000:
logging.info('Imported %s cities', count)
# List of fields from http://download.geonames.org/export/dump/
geonameid, name, asciiname, alternatenames, latitude, longitude, feature_class, feature_code, country_code, cc2, admin1_code, admin2_code, admin3_code, admin4_code, population, elevation, gtopo30, timezone, modification_date = line.split(
'\t')
#if int(population) < 50000:
# print name, population
# continue
city = City.get_or_insert(', '.join(
[asciiname, admin1_code, country_code]))
city.city_name = asciiname
city.state_name = admin1_code
city.country_name = country_code
city.latitude = float(latitude)
city.longitude = float(longitude)
city.population = int(population)
city.geohashes = []
if runtime.is_local_appengine():
city.has_nearby_events = True
for x in CITY_GEOHASH_PRECISIONS:
city.geohashes.append(
str(
geohash.Geostring((float(latitude), float(longitude)),
depth=x)))
city.timezone = timezone
city.put()
password=keys.get('redis_memcache_password'))
# Non-existent functions necessary to adhere to the memcache API expected by gae_memcache's setup_client()
client.set_servers = None
client.forget_dead_hosts = None
client.debuglog = None
client.replace_multi = None
client.offset_multi = None
if gae_memcache:
# Try to use this redis memcache for all GAE stuff seamlessly
gae_memcache.setup_client(client)
return client
from util import runtime
if runtime.is_local_appengine():
memcache_client = gae_memcache._CLIENT
else:
# TODO: enable this Redis memcache (and pay for it) when we need to switch off the built-in GAE memcache
# memcache_client = init_memcache()
pass
# Expose a simplified memcache_client API here...will we need it at all?
def get(key):
return memcache_client.get(key)
def get_multi(keys):
return memcache_client.get_multi(keys)
def _generate_path(city, week_start):
path = '%s/%s.gif' % (week_start.strftime('%Y-%m-%d'), city.display_name())
if runtime.is_local_appengine():
path = 'dev/%s' % path
return path
