<s> import urllib <EOL> import urllib2 <EOL> import logging <EOL> import simplejson <EOL> import warnings <EOL> from django . conf import settings <EOL> from django . contrib . gis . gdal . datasource import OGRException <EOL> from django . contrib . gis . geos import Point <EOL> from molly . geolocation . providers import BaseGeolocationProvider <EOL> logger = logging . getLogger ( __name__ ) <EOL> class CloudmadeGeolocationProvider ( BaseGeolocationProvider ) : <EOL> """<STR_LIT>""" <EOL> REVERSE_GEOCODE_URL = '<STR_LIT>' <EOL> GEOCODE_URL = '<STR_LIT>' <EOL> GEOCODE_URL_SIMPLE = '<STR_LIT>' <EOL> def __init__ ( self , search_locality = None , search_around = None , <EOL> search_distance = None , get_area = True ) : <EOL> """<STR_LIT>""" <EOL> if search_locality : <EOL> warnings . warn ( '<STR_LIT>' , <EOL> DeprecationWarning ) <EOL> self . search_around = search_around <EOL> self . search_distance = search_distance <EOL> self . get_area = get_area <EOL> def reverse_geocode ( self , lon , lat ) : <EOL> params = { <EOL> '<STR_LIT>' : settings . API_KEYS [ '<STR_LIT>' ] , <EOL> '<STR_LIT>' : lon , <EOL> '<STR_LIT>' : lat , <EOL> '<STR_LIT:type>' : '<STR_LIT>' , <EOL> } <EOL> try : <EOL> request_url = self . REVERSE_GEOCODE_URL % params <EOL> response = urllib2 . urlopen ( request_url ) <EOL> logger . debug ( "<STR_LIT>" % request_url ) <EOL> if response . code != <NUM_LIT:200> : <EOL> logger . error ( "<STR_LIT>" % ( request_url , response . code ) ) <EOL> return [ ] <EOL> json = simplejson . loads ( response . read ( ) . replace ( '<STR_LIT>' , "<STR_LIT:'>" ) , '<STR_LIT:utf8>' ) <EOL> except urllib2 . HTTPError , e : <EOL> logger . error ( "<STR_LIT>" , e . code ) <EOL> return [ ] <EOL> except urllib2 . URLError , e : <EOL> logger . error ( "<STR_LIT>" , str ( e ) ) <EOL> return [ ] <EOL> if not json : <EOL> return [ ] <EOL> else : <EOL> name = json [ '<STR_LIT>' ] [ <NUM_LIT:0> ] [ '<STR_LIT>' ] . get ( '<STR_LIT:name>' ) <EOL> if self . get_area : <EOL> try : <EOL> params [ '<STR_LIT:type>' ] = '<STR_LIT>' <EOL> data = simplejson . load ( urllib2 . urlopen ( self . REVERSE_GEOCODE_URL % params ) ) <EOL> logger . debug ( "<STR_LIT>" % ( self . REVERSE_GEOCODE_URL % params ) ) <EOL> name = '<STR_LIT>' % ( name , data [ '<STR_LIT>' ] [ <NUM_LIT:0> ] [ '<STR_LIT>' ] [ '<STR_LIT:name>' ] ) <EOL> except Exception : <EOL> pass <EOL> return [ { <EOL> '<STR_LIT:name>' : json [ '<STR_LIT>' ] [ <NUM_LIT:0> ] [ '<STR_LIT>' ] . get ( '<STR_LIT:name>' ) , <EOL> '<STR_LIT:location>' : ( lon , lat ) , <EOL> '<STR_LIT>' : <NUM_LIT:100> , <EOL> } ] <EOL> def geocode ( self , query ) : <EOL> """<STR_LIT>""" <EOL> if not query : <EOL> return [ ] <EOL> query = query . strip ( ) <EOL> if query . split ( '<STR_LIT:U+0020>' ) [ <NUM_LIT:0> ] [ <NUM_LIT:0> ] . isdigit ( ) : <EOL> query = '<STR_LIT:+>' . join ( query . split ( '<STR_LIT:U+0020>' ) [ <NUM_LIT:1> : ] ) <EOL> params = { <EOL> '<STR_LIT>' : settings . API_KEYS [ '<STR_LIT>' ] , <EOL> '<STR_LIT>' : urllib . quote_plus ( query ) , <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> } <EOL> if self . search_around and self . search_distance : <EOL> params [ '<STR_LIT>' ] = '<STR_LIT>' . format ( self . search_around [ <NUM_LIT:1> ] , <EOL> self . search_around [ <NUM_LIT:0> ] ) <EOL> params [ '<STR_LIT>' ] = self . search_distance <EOL> try : <EOL> if self . search_around and self . search_distance : <EOL> request_url = self . GEOCODE_URL % params <EOL> else : <EOL> request_url = self . GEOCODE_URL_SIMPLE % params <EOL> response = urllib2 . urlopen ( request_url ) <EOL> logger . debug ( "<STR_LIT>" % request_url ) <EOL> if response . code != <NUM_LIT:200> : <EOL> logger . error ( "<STR_LIT>" <EOL> % ( request_url , response . code ) ) <EOL> return [ ] <EOL> json = simplejson . loads ( response . read ( ) . replace ( '<STR_LIT>' , "<STR_LIT:'>" ) , <EOL> '<STR_LIT:utf8>' ) <EOL> except urllib2 . HTTPError , e : <EOL> logger . error ( "<STR_LIT>" , e . code ) <EOL> return [ ] <EOL> except urllib2 . URLError , e : <EOL> logger . error ( "<STR_LIT>" , str ( e ) ) <EOL> return [ ] <EOL> if not json : <EOL> return [ ] <EOL> results = [ ] <EOL> features = sorted ( json [ '<STR_LIT>' ] , key = lambda f : <EOL> len ( f [ '<STR_LIT>' ] . get ( '<STR_LIT:name>' , '<STR_LIT:x>' * <NUM_LIT:1000> ) ) ) <EOL> for i , feature in enumerate ( features ) : <EOL> try : <EOL> bounds_a , bounds_b = [ Point ( p [ <NUM_LIT:1> ] , p [ <NUM_LIT:0> ] ) for p in feature [ '<STR_LIT>' ] ] <EOL> except OGRException : <EOL> continue <EOL> centroid = tuple ( feature [ '<STR_LIT>' ] [ '<STR_LIT>' ] ) <EOL> centroid = centroid [ <NUM_LIT:1> ] , centroid [ <NUM_LIT:0> ] <EOL> accuracy = bounds_a . distance ( bounds_b ) / <NUM_LIT> <EOL> try : <EOL> name = feature [ '<STR_LIT>' ] [ '<STR_LIT:name>' ] <EOL> if self . get_area : <EOL> try : <EOL> if i > <NUM_LIT:0> : <EOL> raise ValueError <EOL> params . update ( { <EOL> '<STR_LIT:type>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : centroid [ <NUM_LIT:1> ] , <EOL> '<STR_LIT>' : centroid [ <NUM_LIT:0> ] , <EOL> } ) <EOL> data = simplejson . load ( urllib2 . urlopen ( self . REVERSE_GEOCODE_URL % params ) ) <EOL> logger . debug ( "<STR_LIT>" % ( self . REVERSE_GEOCODE_URL % params ) ) <EOL> if name != data [ '<STR_LIT>' ] [ <NUM_LIT:0> ] [ '<STR_LIT>' ] [ '<STR_LIT:name>' ] : <EOL> name = '<STR_LIT>' % ( name , data [ '<STR_LIT>' ] [ <NUM_LIT:0> ] [ '<STR_LIT>' ] [ '<STR_LIT:name>' ] ) <EOL> except Exception : <EOL> pass <EOL> results . append ( { <EOL> '<STR_LIT:name>' : name , <EOL> '<STR_LIT:location>' : centroid , <EOL> '<STR_LIT>' : accuracy , <EOL> } ) <EOL> except KeyError : <EOL> results += self . reverse_geocode ( * centroid ) <EOL> return results </s>
