yandex-maps / yandex_maps /

# coding: utf-8

Yandex.Maps API wrapper

import xml.dom.minidom
import urllib
from yandex_maps import http


def get_map_url(api_key, longitude, latitude, zoom, width, height):
    ''' returns URL of static yandex map '''
    params = [
       'll=%0.7f,%0.7f' % (float(longitude), float(latitude),),
       'size=%d,%d' % (width, height,),
       'z=%d' % zoom,
       'pt=%0.7f,%0.7f' % (float(longitude), float(latitude),),
       'key=%s' % api_key
    return STATIC_MAPS_URL + '&'.join(params)

def geocode(api_key, address, timeout=2):
    ''' returns (longtitude, latitude,) tuple for given address '''
        xml = _get_geocode_xml(api_key, address, timeout)
        return _get_coords(xml)
    except IOError:
        return None, None

def _get_geocode_xml(api_key, address, timeout=2):
    url = _get_geocode_url(api_key, address)
    status_code, response = http.request('GET', url, timeout=timeout)
    return response

def _get_geocode_url(api_key, address):
    if isinstance(address, unicode):
        address = address.encode('utf8')
    params = urllib.urlencode({'geocode': address, 'key': api_key})
    return GEOCODE_URL + params

def _get_coords(response):
        dom = xml.dom.minidom.parseString(response)
        pos_elem = dom.getElementsByTagName('pos')[0]
        pos_data = pos_elem.childNodes[0].data
        return tuple(pos_data.split())
    except IndexError:
        return None, None
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