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Finished Geocoding ToolBox #15

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Finished Geocoding ToolBox #15

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27 changes: 21 additions & 6 deletions mbta_finder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,8 @@

# Useful URLs (you need to add the appropriate parameters for your requests)
GMAPS_BASE_URL = "https://maps.googleapis.com/maps/api/geocode/json"
MBTA_BASE_URL = "http://realtime.mbta.com/developer/api/v2/stopsbylocation"
MBTA_DEMO_API_KEY = "wX9NwuHnZU2ToO7GmGR9uw"
MBTA_BASE_URL = "http://realtime.mbta.com/developer/api/v2/stopsbylocation?api_key=wX9NwuHnZU2ToO7GmGR9uw"
GMAPS_API_KEY = "AIzaSyCoT-0Iv49u3-Sz2T5O4T8xYer8E16BGrw"


# A little bit of scaffolding if you want to use it
Expand All @@ -25,7 +25,10 @@ def get_json(url):
Given a properly formatted URL for a JSON web API request, return
a Python JSON object containing the response to that request.
"""
pass
f = urllib2.urlopen(url)
response_text = f.read()
response_data = json.loads(response_text)
return response_data


def get_lat_long(place_name):
Expand All @@ -36,7 +39,11 @@ def get_lat_long(place_name):
See https://developers.google.com/maps/documentation/geocoding/
for Google Maps Geocode API URL formatting requirements.
"""
pass
formatted_place_name = place_name.replace(' ','+')
request_url = GMAPS_BASE_URL + "?address=" + formatted_place_name + "&key=" + GMAPS_API_KEY
response_data = get_json(request_url)
#return latitude and longitude
return (str(response_data["results"][0]["geometry"]["location"]["lat"]),str(response_data["results"][0]["geometry"]["location"]["lng"]))


def get_nearest_station(latitude, longitude):
Expand All @@ -47,13 +54,21 @@ def get_nearest_station(latitude, longitude):
See http://realtime.mbta.com/Portal/Home/Documents for URL
formatting requirements for the 'stopsbylocation' API.
"""
pass
url = MBTA_BASE_URL + "&lat=" + latitude + "&lon=" + longitude + "&format=json"
f = urllib2.urlopen(url)
response_text = f.read()
response_data = json.loads(response_text)
station_name = response_data["stop"][0]["stop_name"]
distance = response_data["stop"][0]["distance"]
return (station_name,distance)


def find_stop_near(place_name):
"""
Given a place name or address, print the nearest MBTA stop and the
distance from the given place to that stop.
"""
pass
lat,lon = get_lat_long(place_name)
station_name,distance = get_nearest_station(lat,lon)
print "The nearest station is " + station_name + ", " + distance + " miles away."