212 lines
7.4 KiB
Python
212 lines
7.4 KiB
Python
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from functools import partial
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from urllib.parse import quote, urlencode
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from geopy.geocoders.base import DEFAULT_SENTINEL, Geocoder
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from geopy.location import Location
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from geopy.point import Point
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from geopy.util import logger
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__all__ = ("MapBox", )
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class MapBox(Geocoder):
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"""Geocoder using the Mapbox API.
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Documentation at:
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https://www.mapbox.com/api-documentation/
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"""
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api_path = '/geocoding/v5/mapbox.places/%(query)s.json/'
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def __init__(
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self,
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api_key,
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*,
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scheme=None,
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timeout=DEFAULT_SENTINEL,
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proxies=DEFAULT_SENTINEL,
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user_agent=None,
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ssl_context=DEFAULT_SENTINEL,
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adapter_factory=None,
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domain='api.mapbox.com',
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referer=None
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):
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"""
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:param str api_key: The API key required by Mapbox to perform
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geocoding requests. API keys are managed through Mapox's account
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page (https://www.mapbox.com/account/access-tokens).
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:param str scheme:
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See :attr:`geopy.geocoders.options.default_scheme`.
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:param int timeout:
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See :attr:`geopy.geocoders.options.default_timeout`.
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:param dict proxies:
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See :attr:`geopy.geocoders.options.default_proxies`.
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:param str user_agent:
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See :attr:`geopy.geocoders.options.default_user_agent`.
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:type ssl_context: :class:`ssl.SSLContext`
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:param ssl_context:
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See :attr:`geopy.geocoders.options.default_ssl_context`.
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:param callable adapter_factory:
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See :attr:`geopy.geocoders.options.default_adapter_factory`.
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.. versionadded:: 2.0
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:param str domain: base api domain for mapbox
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:param str referer: The URL used to satisfy the URL restriction of
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mapbox tokens.
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.. versionadded:: 2.3
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"""
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super().__init__(
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scheme=scheme,
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timeout=timeout,
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proxies=proxies,
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user_agent=user_agent,
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ssl_context=ssl_context,
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adapter_factory=adapter_factory,
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)
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self.api_key = api_key
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self.domain = domain.strip('/')
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self.api = "%s://%s%s" % (self.scheme, self.domain, self.api_path)
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if referer:
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self.headers['Referer'] = referer
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def _parse_json(self, json, exactly_one=True):
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'''Returns location, (latitude, longitude) from json feed.'''
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features = json['features']
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if features == []:
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return None
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def parse_feature(feature):
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location = feature['place_name']
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longitude = feature['geometry']['coordinates'][0]
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latitude = feature['geometry']['coordinates'][1]
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return Location(location, (latitude, longitude), feature)
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if exactly_one:
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return parse_feature(features[0])
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else:
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return [parse_feature(feature) for feature in features]
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def geocode(
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self,
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query,
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*,
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exactly_one=True,
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timeout=DEFAULT_SENTINEL,
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proximity=None,
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country=None,
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language=None,
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bbox=None
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):
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"""
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Return a location point by address.
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:param str query: The address or query you wish to geocode.
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:param bool exactly_one: Return one result or a list of results, if
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available.
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:param int timeout: Time, in seconds, to wait for the geocoding service
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to respond before raising a :class:`geopy.exc.GeocoderTimedOut`
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exception. Set this only if you wish to override, on this call
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only, the value set during the geocoder's initialization.
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:param proximity: A coordinate to bias local results based on a provided
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location.
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:type proximity: :class:`geopy.point.Point`, list or tuple of ``(latitude,
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longitude)``, or string as ``"%(latitude)s, %(longitude)s"``.
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:param country: Country to filter result in form of
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ISO 3166-1 alpha-2 country code (e.g. ``FR``).
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Might be a Python list of strings.
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:type country: str or list
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:param str language: This parameter controls the language of the text supplied in
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responses, and also affects result scoring, with results matching the user’s
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query in the requested language being preferred over results that match in
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another language. You can pass two letters country codes (ISO 639-1).
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.. versionadded:: 2.3
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:param bbox: The bounding box of the viewport within which
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to bias geocode results more prominently.
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Example: ``[Point(22, 180), Point(-22, -180)]``.
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:type bbox: list or tuple of 2 items of :class:`geopy.point.Point` or
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``(latitude, longitude)`` or ``"%(latitude)s, %(longitude)s"``.
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:rtype: ``None``, :class:`geopy.location.Location` or a list of them, if
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``exactly_one=False``.
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"""
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params = {}
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params['access_token'] = self.api_key
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if bbox:
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params['bbox'] = self._format_bounding_box(
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bbox, "%(lon1)s,%(lat1)s,%(lon2)s,%(lat2)s")
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if not country:
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country = []
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if isinstance(country, str):
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country = [country]
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if country:
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params['country'] = ",".join(country)
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if proximity:
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p = Point(proximity)
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params['proximity'] = "%s,%s" % (p.longitude, p.latitude)
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if language:
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params['language'] = language
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quoted_query = quote(query.encode('utf-8'))
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url = "?".join((self.api % dict(query=quoted_query),
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urlencode(params)))
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logger.debug("%s.geocode: %s", self.__class__.__name__, url)
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callback = partial(self._parse_json, exactly_one=exactly_one)
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return self._call_geocoder(url, callback, timeout=timeout)
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def reverse(
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self,
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query,
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*,
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exactly_one=True,
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timeout=DEFAULT_SENTINEL
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):
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"""
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Return an address by location point.
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:param query: The coordinates for which you wish to obtain the
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closest human-readable addresses.
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:type query: :class:`geopy.point.Point`, list or tuple of ``(latitude,
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longitude)``, or string as ``"%(latitude)s, %(longitude)s"``.
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:param bool exactly_one: Return one result or a list of results, if
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available.
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:param int timeout: Time, in seconds, to wait for the geocoding service
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to respond before raising a :class:`geopy.exc.GeocoderTimedOut`
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exception. Set this only if you wish to override, on this call
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only, the value set during the geocoder's initialization.
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:rtype: ``None``, :class:`geopy.location.Location` or a list of them, if
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``exactly_one=False``.
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"""
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params = {}
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params['access_token'] = self.api_key
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point = self._coerce_point_to_string(query, "%(lon)s,%(lat)s")
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quoted_query = quote(point.encode('utf-8'))
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url = "?".join((self.api % dict(query=quoted_query),
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urlencode(params)))
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logger.debug("%s.reverse: %s", self.__class__.__name__, url)
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callback = partial(self._parse_json, exactly_one=exactly_one)
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return self._call_geocoder(url, callback, timeout=timeout)
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