/usr/lib/python2.7/dist-packages/geopy/geocoders/ignfrance.py is in python-geopy 1.11.0+ds1-1.
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:class:`.IGNFrance` is the IGN France Geocoder.
"""
import xml.etree.ElementTree as ET
from geopy.compat import (urlencode, HTTPPasswordMgrWithDefaultRealm,
HTTPBasicAuthHandler, build_opener, u,
install_opener, iteritems, Request)
from geopy.geocoders.base import Geocoder, DEFAULT_TIMEOUT, DEFAULT_SCHEME
from geopy.exc import (
GeocoderQueryError,
ConfigurationError,
)
from geopy.location import Location
from geopy.util import logger
__all__ = ("IGNFrance", )
class IGNFrance(Geocoder): # pylint: disable=W0223
"""
Geocoder using the IGN France GeoCoder OpenLS API. Documentation at:
http://api.ign.fr/tech-docs-js/fr/developpeur/search.html
"""
xml_request = """<?xml version="1.0" encoding="UTF-8"?>
<XLS version="1.2"
xmlns="http://www.opengis.net/xls"
xmlns:gml="http://www.opengis.net/gml"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/xls
http://schemas.opengis.net/ols/1.2/olsAll.xsd">
<RequestHeader srsName="epsg:4326"/>
<Request methodName="{method_name}"
maximumResponses="{maximum_responses}"
requestID=""
version="1.2">
{sub_request}
</Request>
</XLS>"""
def __init__(
self,
api_key,
username=None,
password=None,
referer=None,
domain='wxs.ign.fr',
scheme=DEFAULT_SCHEME,
timeout=DEFAULT_TIMEOUT,
proxies=None,
user_agent=None,
): # pylint: disable=R0913
"""
Initialize a customized IGN France geocoder.
:param string api_key: The API key required by IGN France API
to perform geocoding requests. You can get your key here:
http://api.ign.fr. Mandatory. For authentication with referer
and with username/password, the api key always differ.
:param string username: When making a call need HTTP simple
authentication username. Mandatory if no referer set
:param string password: When making a call need HTTP simple
authentication password. Mandatory if no referer set
:param string referer: When making a call need HTTP referer.
Mandatory if no password and username
:param string domain: Currently it is 'wxs.ign.fr', can
be changed for testing purposes for developer API
e.g gpp3-wxs.ign.fr at the moment.
:param string scheme: Use 'https' or 'http' as the API URL's scheme.
Default is https. Note that SSL connections' certificates are not
verified.
:param int timeout: Time, in seconds, to wait for the geocoding service
to respond before raising a :class:`geopy.exc.GeocoderTimedOut`
exception. Set this only if you wish to override, on this call
only, the value set during the geocoder's initialization.
:param dict proxies: If specified, routes this geocoder's requests
through the specified proxy. E.g., {"https": "192.0.2.0"}. For
more information, see documentation on
:class:`urllib2.ProxyHandler`.
"""
super(IGNFrance, self).__init__(
scheme=scheme, timeout=timeout, proxies=proxies, user_agent=user_agent
)
# Catch if no api key with username and password
# or no api key with referer
if not (api_key and username and password) \
and not (api_key and referer):
raise ConfigurationError('You should provide an api key and a '
'username with a password or an api '
'key with a referer depending on '
'created api key')
if (username and password) and referer:
raise ConfigurationError('You can\'t set username/password and '
'referer together. The API key always '
'differs depending on both scenarios')
if username and not password:
raise ConfigurationError(
'username and password must be set together'
)
self.api_key = api_key
self.username = username
self.password = password
self.referer = referer
self.domain = domain.strip('/')
self.api = "{scheme}://{domain}/{api_key}/geoportail/ols".format(
scheme=self.scheme,
api_key=self.api_key,
domain=self.domain
)
if username and password and referer is None:
self.addSimpleHTTPAuthHeader()
def geocode(
self,
query,
query_type='StreetAddress',
maximum_responses=25,
is_freeform=False,
filtering=None,
exactly_one=True,
timeout=None
): # pylint: disable=W0221,R0913
"""
Geocode a location query.
:param string query: The query string to be geocoded.
:param string query_type: The type to provide for geocoding. It can be
PositionOfInterest, StreetAddress or CadastralParcel.
StreetAddress is the default choice if none provided.
:param int maximum_responses: The maximum number of responses
to ask to the API in the query body.
:param string is_freeform: Set if return is structured with
freeform structure or a more structured returned.
By default, value is False.
:param string filtering: Provide string that help setting geocoder
filter. It contains an XML string. See examples in documentation
and ignfrance.py file in directory tests.
:param bool exactly_one: Return one result or a list of results, if
available.
:param int timeout: Time, in seconds, to wait for the geocoding service
to respond before raising a :class:`geopy.exc.GeocoderTimedOut`
exception. Set this only if you wish to override, on this call
only, the value set during the geocoder's initialization.
"""
# Check if acceptable query type
if query_type not in ['PositionOfInterest',
'StreetAddress',
'CadastralParcel']:
raise GeocoderQueryError("""You did not provided a query_type the
webservice can consume. It should be PositionOfInterest,
'StreetAddress or CadastralParcel""")
# Check query validity for CadastralParcel
if query_type == 'CadastralParcel' and len(query.strip()) != 14:
raise GeocoderQueryError("""You must send a string of fourteen
characters long to match the cadastre required code""")
sub_request = """
<GeocodeRequest returnFreeForm="{is_freeform}">
<Address countryCode="{query_type}">
<freeFormAddress>{query}</freeFormAddress>
{filtering}
</Address>
</GeocodeRequest>
"""
xml_request = self.xml_request.format(
method_name='LocationUtilityService',
sub_request=sub_request,
maximum_responses=maximum_responses
)
# Manage type change for xml case sensitive
if is_freeform:
is_freeform = 'true'
else:
is_freeform = 'false'
# Manage filtering value
if filtering is None:
filtering = ''
# Create query using parameters
request_string = xml_request.format(
is_freeform=is_freeform,
query=query,
query_type=query_type,
filtering=filtering
)
params = {
'xls': request_string
}
url = "?".join((self.api, urlencode(params)))
logger.debug("%s.geocode: %s", self.__class__.__name__, url)
raw_xml = self._request_raw_content(url, timeout)
return self._parse_xml(
raw_xml,
is_freeform=is_freeform,
exactly_one=exactly_one
)
def reverse(
self,
query,
reverse_geocode_preference=('StreetAddress', ),
maximum_responses=25,
filtering='',
exactly_one=False,
timeout=None
): # pylint: disable=W0221,R0913
"""
Given a point, find an address.
:param query: The coordinates for which you wish to obtain the
closest human-readable addresses.
:type query: :class:`geopy.point.Point`, list or tuple of (latitude,
longitude), or string as "%(latitude)s, %(longitude)s"
:param list reverse_geocode_preference: Enable to set expected results
type. It can be StreetAddress or PositionOfInterest.
Default is set to StreetAddress
:param int maximum_responses: The maximum number of responses
to ask to the API in the query body.
:param string filtering: Provide string that help setting geocoder
filter. It contains an XML string. See examples in documentation
and ignfrance.py file in directory tests.
:param boolean exactly_one: Return one result or a list of results, if
available.
:param int timeout: Time, in seconds, to wait for the geocoding service
to respond before raising a :class:`geopy.exc.GeocoderTimedOut`
exception. Set this only if you wish to override, on this call
only, the value set during the geocoder's initialization.
"""
sub_request = """
<ReverseGeocodeRequest>
{reverse_geocode_preference}
<Position>
<gml:Point>
<gml:pos>{query}</gml:pos>
</gml:Point>
{filtering}
</Position>
</ReverseGeocodeRequest>
"""
xml_request = self.xml_request.format(
method_name='ReverseGeocodeRequest',
sub_request=sub_request,
maximum_responses=maximum_responses
)
for pref in reverse_geocode_preference:
if pref not in ('StreetAddress', 'PositionOfInterest'):
raise GeocoderQueryError(
'`reverse_geocode_preference` must contain '
'one or more of: StreetAddress, PositionOfInterest'
)
point = self._coerce_point_to_string(query).replace(',', ' ')
reverse_geocode_preference = '\n'.join((
'<ReverseGeocodePreference>%s</ReverseGeocodePreference>' % pref
for pref
in reverse_geocode_preference
))
request_string = xml_request.format(
maximum_responses=maximum_responses,
query=point,
reverse_geocode_preference=reverse_geocode_preference,
filtering=filtering
)
url = "?".join((self.api, urlencode({'xls': request_string})))
logger.debug("%s.reverse: %s", self.__class__.__name__, url)
raw_xml = self._request_raw_content(url, timeout)
return self._parse_xml(
raw_xml,
exactly_one=exactly_one,
is_reverse=True,
is_freeform='false'
)
def addSimpleHTTPAuthHeader(self):
"""
Create Urllib request object embedding HTTP simple authentication
"""
sub_request = """
<GeocodeRequest returnFreeForm="{is_freeform}">
<Address countryCode="{query_type}">
<freeFormAddress>{query}</freeFormAddress>
</Address>
</GeocodeRequest>
"""
xml_request = self.xml_request.format(
method_name='LocationUtilityService',
sub_request=sub_request,
maximum_responses=1
)
# Create query using parameters
request_string = xml_request.format(
is_freeform='false',
query='rennes',
query_type='PositionOfInterest'
)
params = {
'xls': request_string
}
top_level_url = "?".join((self.api, urlencode(params)))
password_mgr = HTTPPasswordMgrWithDefaultRealm()
# Add the username and password.
# If we knew the realm, we could use it instead of None.
password_mgr.add_password(
None,
top_level_url,
self.username,
self.password
)
handler = HTTPBasicAuthHandler(password_mgr)
# create "opener" (OpenerDirector instance)
opener = build_opener(handler)
# Install the opener.
# Now all calls to urllib.request.urlopen use our opener.
install_opener(opener)
def _parse_xml(self,
page,
is_reverse=False,
is_freeform=False,
exactly_one=True):
"""
Returns location, (latitude, longitude) from XML feed
and transform to json
"""
# Parse the page
tree = ET.fromstring(page.encode('utf-8'))
# Clean tree from namespace to facilitate XML manipulation
def remove_namespace(doc, namespace):
"""Remove namespace in the document in place."""
ns = '{%s}' % namespace
ns = u(ns)
nsl = len(ns)
for elem in doc.getiterator():
if elem.tag.startswith(ns):
elem.tag = elem.tag[nsl:]
remove_namespace(tree, 'http://www.opengis.net/gml')
remove_namespace(tree, 'http://www.opengis.net/xls')
remove_namespace(tree, 'http://www.opengis.net/xlsext')
# Return places as json instead of XML
places = self._xml_to_json_places(tree, is_reverse=is_reverse)
if exactly_one:
return self._parse_place(places[0], is_freeform=is_freeform)
else:
return [
self._parse_place(
place,
is_freeform=is_freeform
) for place in places
]
@staticmethod
def _xml_to_json_places(tree, is_reverse=False):
"""
Transform the xml ElementTree due to XML webservice return to json
"""
select_multi = (
'GeocodedAddress'
if not is_reverse
else 'ReverseGeocodedLocation'
)
adresses = tree.findall('.//' + select_multi)
places = []
sel_pl = './/Address/Place[@type="{}"]'
for adr in adresses:
el = {}
el['pos'] = adr.find('./Point/pos')
el['street'] = adr.find('.//Address/StreetAddress/Street')
el['freeformaddress'] = adr.find('.//Address/freeFormAddress')
el['municipality'] = adr.find(sel_pl.format('Municipality'))
el['numero'] = adr.find(sel_pl.format('Numero'))
el['feuille'] = adr.find(sel_pl.format('Feuille'))
el['section'] = adr.find(sel_pl.format('Section'))
el['departement'] = adr.find(sel_pl.format('Departement'))
el['commune_absorbee'] = adr.find(sel_pl.format('CommuneAbsorbee'))
el['commune'] = adr.find(sel_pl.format('Commune'))
el['insee'] = adr.find(sel_pl.format('INSEE'))
el['qualite'] = adr.find(sel_pl.format('Qualite'))
el['territoire'] = adr.find(sel_pl.format('Territoire'))
el['id'] = adr.find(sel_pl.format('ID'))
el['id_tr'] = adr.find(sel_pl.format('ID_TR'))
el['bbox'] = adr.find(sel_pl.format('Bbox'))
el['nature'] = adr.find(sel_pl.format('Nature'))
el['postal_code'] = adr.find('.//Address/PostalCode')
el['extended_geocode_match_code'] = adr.find(
'.//ExtendedGeocodeMatchCode'
)
place = {}
def testContentAttrib(selector, key):
"""
Helper to select by attribute and if not attribute,
value set to empty string
"""
return selector.attrib.get(
key,
None
) if selector is not None else None
place['accuracy'] = testContentAttrib(
adr.find('.//GeocodeMatchCode'), 'accuracy')
place['match_type'] = testContentAttrib(
adr.find('.//GeocodeMatchCode'), 'matchType')
place['building'] = testContentAttrib(
adr.find('.//Address/StreetAddress/Building'), 'number')
place['search_centre_distance'] = testContentAttrib(
adr.find('.//SearchCentreDistance'), 'value')
for key, value in iteritems(el):
if value is not None:
place[key] = value.text
if value.text == None:
place[key] = None
else:
place[key] = None
# We check if lat lng is not empty and unpack accordingly
if place['pos']:
lat, lng = place['pos'].split(' ')
place['lat'] = lat.strip()
place['lng'] = lng.strip()
else:
place['lat'] = place['lng'] = None
# We removed the unused key
place.pop("pos", None)
places.append(place)
return places
def _request_raw_content(self, url, timeout):
"""
Send the request to get raw content.
"""
request = Request(url)
if self.referer is not None:
request.add_header('Referer', self.referer)
raw_xml = self._call_geocoder(
request,
timeout=timeout,
deserializer=None
)
return raw_xml
@staticmethod
def _parse_place(place, is_freeform=None):
"""
Get the location, lat, lng and place from a single json place.
"""
# When freeform already so full adress
if is_freeform == 'true':
location = place.get('freeformaddress')
else:
# For parcelle
if place.get('numero'):
location = place.get('street')
else:
# When classic geocoding
# or when reverse geocoding
location = "%s %s" % (
place.get('postal_code', ''),
place.get('commune', ''),
)
if place.get('street'):
location = "%s, %s" % (
place.get('street', ''),
location,
)
if place.get('building'):
location = "%s %s" % (
place.get('building', ''),
location,
)
return Location(location, (place.get('lat'), place.get('lng')), place)
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