/usr/lib/python2.7/dist-packages/geopy/geocoders/placefinder.py is in python-geopy 1.3.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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:class:`.YahooPlaceFinder` geocoder.
"""
try:
from requests import get
from requests_oauthlib import OAuth1
requests_missing = False
except ImportError:
requests_missing = True
from geopy.geocoders.base import Geocoder, DEFAULT_TIMEOUT
from geopy.exc import GeocoderParseError
from geopy.location import Location
from geopy.compat import string_compare, py3k
__all__ = ("YahooPlaceFinder", )
class YahooPlaceFinder(Geocoder): # pylint: disable=W0223
"""
Geocoder that utilizes the Yahoo! BOSS PlaceFinder API. Documentation at:
https://developer.yahoo.com/boss/geo/docs/
"""
def __init__(
self,
consumer_key,
consumer_secret,
timeout=DEFAULT_TIMEOUT,
proxies=None
): # pylint: disable=R0913
"""
:param string consumer_key: Key provided by Yahoo.
:param string consumer_secret: Secret corresponding to the key
provided by Yahoo.
:param int timeout: Time, in seconds, to wait for the geocoding service
to respond before raising a :class:`geopy.exc.GeocoderTimedOut`
exception.
: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`.
.. versionadded:: 0.96
"""
if requests_missing:
raise ImportError(
'requests-oauthlib is needed for YahooPlaceFinder.'
' Install with `pip install geopy -e ".[placefinder]"`.'
)
super(YahooPlaceFinder, self).__init__(
timeout=timeout, proxies=proxies
)
self.consumer_key = (
unicode(consumer_key)
if not py3k
else str(consumer_key)
)
self.consumer_secret = (
unicode(consumer_secret)
if not py3k
else str(consumer_secret)
)
self.auth = OAuth1(
client_key=self.consumer_key,
client_secret=self.consumer_secret,
signature_method=u"HMAC-SHA1",
signature_type=u"AUTH_HEADER",
)
self.api = "https://yboss.yahooapis.com/geo/placefinder"
@staticmethod
def _filtered_results(results, min_quality, valid_country_codes):
"""
Returns only the results that meet the minimum quality threshold
and are located in expected countries.
"""
if min_quality:
results = [
loc
for loc in results
if int(loc.raw["quality"]) > min_quality
]
if valid_country_codes:
results = [
loc
for loc in results
if loc.raw["countrycode"] in valid_country_codes
]
return results
def _parse_response(self, content):
"""
Returns the parsed result of a PlaceFinder API call.
"""
try:
placefinder = (
content["bossresponse"]["placefinder"]
)
if not len(placefinder) or not len(placefinder.get("results", [])):
return None
results = [
Location(
self.humanize(place),
(float(place["latitude"]), float(place["longitude"])),
raw=place
)
for place in placefinder["results"]
]
except (KeyError, ValueError):
raise GeocoderParseError("Error parsing PlaceFinder result")
return results
@staticmethod
def humanize(location):
"""
Returns a human readable representation of a raw PlaceFinder location
"""
return ", ".join([
location[line]
for line in ["line1", "line2", "line3", "line4"]
if location[line]
])
def geocode(
self,
query,
exactly_one=True,
timeout=None,
min_quality=0,
reverse=False,
valid_country_codes=None,
): # pylint: disable=W0221,R0913
"""
Geocode a location query.
:param string 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 min_quality:
:param bool reverse:
:param valid_country_codes:
:type valid_country_codes: list or tuple
"""
params = {
"location": query,
"flags": "J", # JSON
}
if reverse is True:
params["gflags"] = "R"
if exactly_one is True:
params["count"] = "1"
response = self._call_geocoder(
self.api,
timeout=timeout,
requester=get,
params=params,
auth=self.auth,
)
results = self._parse_response(response)
if results is None:
return None
results = self._filtered_results(
results,
min_quality,
valid_country_codes,
)
if exactly_one:
return results[0]
else:
return results
def reverse(self, query, exactly_one=True, timeout=None):
"""
Returns a reverse geocoded location using Yahoo"s PlaceFinder API.
: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 bool exactly_one: Return one result or a list of results, if
available.
"""
query = self._coerce_point_to_string(query)
if isinstance(query, string_compare):
query = query.replace(" ", "") # oauth signature failure; todo
return self.geocode(
query,
exactly_one=exactly_one,
timeout=timeout,
reverse=True
)
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