austin_dallas.py

from datetime import datetime
import requests
import json

def find_traffic_time(dt):
    epoch = datetime(1970,1,1)
    delta_time = (dt - epoch).total_seconds()
    epoch_t = str(delta_time).split('.')[0]
    
    # build query
    base = 'https://maps.googleapis.com/maps/api/distancematrix/json?'
    origin='origins=Austin'
    dest='destinations=Dallas'
    time='departure_time='
    traffic='traffic_model=best_guess'
    key='key=GET_YOUR_OWN_DARN_KEY'
    query = '{0}{1}&{2}&{3}{4}&{5}&{6}'.format(base,origin,dest,time,epoch_t,traffic,key)
    
    try:
        resp = requests.get(query)
        data = json.loads(resp.text)
        return data['rows'][0]['elements'][0]['duration_in_traffic']['text']
    except:
        return "Unable to calculate time"
        
times = {}
for i in range(0,24):
    dt = datetime(2017,4,9,i)
    dt_str = datetime.strftime(dt, '%m/%d/%Y %H:%M')
    result = find_traffic_time(dt)
    times[dt_str] = result
    
""" RESULTS   
{'04/09/2017 00:00': u'2 hours 53 mins',
'04/09/2017 01:00': u'2 hours 53 mins',
'04/09/2017 02:00': u'2 hours 53 mins',
'04/09/2017 03:00': u'2 hours 53 mins',
'04/09/2017 04:00': u'2 hours 55 mins',
'04/09/2017 05:00': u'2 hours 56 mins',
'04/09/2017 06:00': u'2 hours 55 mins',
'04/09/2017 07:00': u'2 hours 54 mins',
'04/09/2017 08:00': u'2 hours 53 mins',
'04/09/2017 09:00': u'2 hours 52 mins',
'04/09/2017 10:00': u'2 hours 51 mins',
'04/09/2017 11:00': u'2 hours 48 mins',
'04/09/2017 12:00': u'2 hours 46 mins',
'04/09/2017 13:00': u'2 hours 45 mins',
'04/09/2017 14:00': u'2 hours 45 mins',
'04/09/2017 15:00': u'2 hours 46 mins',
'04/09/2017 16:00': u'2 hours 48 mins',
'04/09/2017 17:00': u'2 hours 48 mins',
'04/09/2017 18:00': u'2 hours 49 mins',
'04/09/2017 19:00': u'2 hours 50 mins',
'04/09/2017 20:00': u'2 hours 52 mins',
'04/09/2017 21:00': u'2 hours 50 mins',
'04/09/2017 22:00': u'2 hours 49 mins',
'04/09/2017 23:00': u'2 hours 50 mins'}    
"""