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Remove unneeded function.

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Andrew Williams
2013-04-13 20:32:26 +01:00
parent 7a3d8ff734
commit f151a10d8d
1 changed files with 0 additions and 17 deletions
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17
app/stores/utils.py
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@@ -1,25 +1,8 @@
from math import radians, cos, sin, asin, sqrt
from django.core.cache import cache from django.core.cache import cache
from geopy.geocoders import GoogleV3 from geopy.geocoders import GoogleV3
from geopy.geocoders.base import GeocoderResultError from geopy.geocoders.base import GeocoderResultError
def haversine(lon1, lat1, lon2, lat2):
"""
Calculate the great circle distance between two points
on the earth (specified in decimal degrees)
"""
# convert decimal degrees to radians
lon1, lat1, lon2, lat2 = map(radians, [lon1, lat1, lon2, lat2])
# haversine formula
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat/2)**2 + cos(lat1) * cos(lat2) * sin(dlon/2)**2
c = 2 * asin(sqrt(a))
km = 6367 * c
return km
def caching_geo_lookup(address): def caching_geo_lookup(address):
""" """
Preforms a geo lookup against Google V3 and caches the results Preforms a geo lookup against Google V3 and caches the results