class_docstr: Geocoder using the Baidu Maps v2 API.
  
  Documentation at:
      http://lbsyun.baidu.com/index.php?title=webapi/guide/webservice-geocoding
  
  .. attention::
      Newly registered API keys will not work with v2 API,
      use :class:`.BaiduV3` instead.
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docstr: Return a location point by address.
  
  :param str query: The address or query you wish to geocode.
  
  :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.
  
  :rtype: ``None``, :class:`geopy.location.Location` or a list of them, if
      ``exactly_one=False``.
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code: def geocode(
      self, query, *, exactly_one=True, timeout=DEFAULT_SENTINEL
  ):
      """
      Return a location point by address.
  
      :param str query: The address or query you wish to geocode.
  
      :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.
  
      :rtype: ``None``, :class:`geopy.location.Location` or a list of them, if
          ``exactly_one=False``.
  
      """
      params = {
          "ak": self.api_key,
          "output": "json",
          "address": query,
      }
  
      url = self._construct_url(self.api, self.api_path, params)
  
      logger.debug("%s.geocode: %s", self.__class__.__name__, url)
      callback = partial(self._parse_json, exactly_one=exactly_one)
      return self._call_geocoder(url, callback, timeout=timeout)
  
file_path: geopy/geopy/geocoders/baidu.py
imports: import hashlib
  from functools import partial
  from urllib.parse import quote_plus, urlencode
  from geopy.exc import GeocoderAuthenticationFailure, GeocoderQueryError, GeocoderQuotaExceeded, GeocoderServiceError
  from geopy.geocoders.base import DEFAULT_SENTINEL, Geocoder
  from geopy.location import Location
  from geopy.util import logger
label_desc: Use image node_id 3 for calling the Baidu obj's underlying member method code with example usage: obj.geocode(query) and returns: self