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Turning in my ToolBox-Geocoding #5

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30 changes: 23 additions & 7 deletions mbta_finder.py
100755 → 100644
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +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)
Expand All @@ -19,13 +20,15 @@


# 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
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 +39,12 @@ def get_lat_long(place_name):
See https://developers.google.com/maps/documentation/geocoding/
for Google Maps Geocode API URL formatting requirements.
"""
pass
address = place_name.replace(' ', '+')
url = GMAPS_BASE_URL + '?address=' + address
response_data = get_json(url)
lat = str(response_data['results'][0]['geometry']['location']['lat'])
lng = str(response_data['results'][0]['geometry']['location']['lng'])
return lat, lng


def get_nearest_station(latitude, longitude):
Expand All @@ -47,13 +55,21 @@ 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 + '?api_key=' + MBTA_DEMO_API_KEY + '&lat=' + latitude + '&lon=' + longitude + '&format=json'
response_data = get_json(url)
print url
stop_name = response_data['stop'][0]['stop_name']
distance = response_data['stop'][0]['distance']
return stop_name, distance

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


find_stop_near('Fenway Park Boston')