Toolbox Submission

mbta_finder.py

@@ -10,7 +10,7 @@
 import urllib   # urlencode function
 import urllib2  # urlopen function (better than urllib version)
 import json
-
+from pprint import pprint
 
 # Useful URLs (you need to add the appropriate parameters for your requests)
 GMAPS_BASE_URL = "https://maps.googleapis.com/maps/api/geocode/json"
@@ -21,11 +21,15 @@
 # A little bit of scaffolding if you want to use it
 
 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
+	"""
+	Given a properly formatted URL for a JSON web API request, return
+	a Python JSON object containing the response to that request.
+	url: url of the API request
+	"""
+	f = urllib2.urlopen(url)
+	response_text = f.read()
+	response_data = json.loads(response_text)
+	return response_data
 
 
 def get_lat_long(place_name):
@@ -35,25 +39,43 @@ def get_lat_long(place_name):
 
     See https://developers.google.com/maps/documentation/geocoding/
     for Google Maps Geocode API URL formatting requirements.
+    place_name: address of place to look up
     """
-    pass
-
+    place_name_f = place_name.replace(' ', '+')
+    place_url = GMAPS_BASE_URL + '?address={kwarg}&components=administrative_area:MA|country:US'.format(kwarg=place_name_f)
+    latitude = get_json(place_url)["results"][0]["geometry"]["location"]["lat"]
+    longitude = get_json(place_url)["results"][0]["geometry"]["location"]["lng"]
+    return (latitude, longitude)
 
 def get_nearest_station(latitude, longitude):
-    """
-    Given latitude and longitude strings, return a (station_name, distance)
-    tuple for the nearest MBTA station to the given coordinates.
-
-    See http://realtime.mbta.com/Portal/Home/Documents for URL
-    formatting requirements for the 'stopsbylocation' API.
-    """
-    pass
+	"""
+	Given latitude and longitude strings, return a (station_name, distance)
+	tuple for the nearest MBTA station to the given coordinates.
+
+	See http://realtime.mbta.com/Portal/Home/Documents for URL
+	formatting requirements for the 'stopsbylocation' API.
+	latitude, longitude: geographic coordinates of the place to find nearest station to
+	"""
+	key = MBTA_DEMO_API_KEY
+	station_url = MBTA_BASE_URL + '?api_key={}&lat={}&lon={}&format=json'.format(key, str(latitude), str(longitude))
+	try:
+		station_name = get_json(station_url)["stop"][0]["stop_name"]
+		distance = get_json(station_url)["stop"][0]["distance"]
+		distance_f = str(round(float(distance), 2)) 
+		return (station_name, distance_f)
+	except:
+		return 'No stations close by'
 
 
 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.
+    place_name: address of place to lookup
     """
-    pass
+    lat = get_lat_long(place_name)[0]
+    lon = get_lat_long(place_name)[1]
+    return get_nearest_station(lat, lon)
+
+
 

test.py

@@ -0,0 +1,3 @@
+import mbta_finder
+
+print mbta_finder.find_stop_near('Fenway Park')