Chilkat2-Python

Google Maps Geolocation Request

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Demonstrates how make a Google Maps Geolocation REST API request. Chilkat2-Python

import sys
import chilkat2

success = False

# This example duplicates the following CURL request:
# curl -d @your_filename.json -H "Content-Type: application/json" -i "https://www.googleapis.com/geolocation/v1/geolocate?key=YOUR_API_KEY"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = chilkat2.Rest()

# Connect to the Google API REST server.
bTls = True
port = 443
bAutoReconnect = True
success = rest.Connect("www.googleapis.com",port,bTls,bAutoReconnect)

# Add the Content-Type request header.
rest.AddHeader("Content-Type","application/json")

# Add your API key as a query parameter
rest.AddQueryParam("key","YOUR_API_KEY")

# The JSON query is contained in the body of the HTTP POST.
# This is a sample query (which we'll dynamically build in this example)
# { 
#  "homeMobileCountryCode": 310,
#  "homeMobileNetworkCode": 260,
#  "radioType": "gsm",
#  "carrier": "T-Mobile",
#  "cellTowers": [
#   {
#    "cellId": 39627456,
#    "locationAreaCode": 40495,
#    "mobileCountryCode": 310,
#    "mobileNetworkCode": 260,
#    "age": 0,
#    "signalStrength": -95
#   }
#  ],
#  "wifiAccessPoints": [
#   { 
#    "macAddress": "01:23:45:67:89:AB",
#    "signalStrength": 8,
#    "age": 0,
#    "signalToNoiseRatio": -65,
#    "channel": 8
#   },
#   { 
#    "macAddress": "01:23:45:67:89:AC",
#    "signalStrength": 4,
#    "age": 0
#   }
#  ]
# }

json = chilkat2.JsonObject()
json.AppendInt("homeMobileCountryCode",310)
json.AppendInt("homeMobileNetworkCode",260)
json.AppendString("radioType","gsm")
json.AppendString("carrier","T-Mobile")

aCellTowers = chilkat2.JsonArray()
json.AppendArray2("cellTowers",aCellTowers)

oCellTower = chilkat2.JsonObject()
aCellTowers.AddObjectAt2(0,oCellTower)
oCellTower.AppendInt("cellId",39627456)
oCellTower.AppendInt("locationAreaCode",40495)
oCellTower.AppendInt("mobileCountryCode",310)
oCellTower.AppendInt("mobileNetworkCode",260)
oCellTower.AppendInt("age",0)
oCellTower.AppendInt("signalStrength",-95)

aWifi = chilkat2.JsonArray()
json.AppendArray2("wifiAccessPoints",aWifi)

oPoint = chilkat2.JsonObject()
aWifi.AddObjectAt2(0,oPoint)
oPoint.AppendString("macAddress","01:23:45:67:89:AB")
oPoint.AppendInt("signalStrength",8)
oPoint.AppendInt("age",0)
oPoint.AppendInt("signalToNoiseRatio",-65)
oPoint.AppendInt("channel",8)

aWifi.AddObjectAt2(1,oPoint)
oPoint.AppendString("macAddress","01:23:45:67:89:AC")
oPoint.AppendInt("signalStrength",4)
oPoint.AppendInt("age",0)

responseJson = rest.FullRequestString("POST","/geolocation/v1/geolocate",json.Emit())
if (rest.LastMethodSuccess == False):
    print(rest.LastErrorText)
    sys.exit()

# When successful, the response code is 200.
if (rest.ResponseStatusCode != 200):
    # Examine the request/response to see what happened.
    print("response status code = " + str(rest.ResponseStatusCode))
    print("response status text = " + rest.ResponseStatusText)
    print("response header: " + rest.ResponseHeader)
    print("response JSON: " + responseJson)
    print("---")
    print("LastRequestStartLine: " + rest.LastRequestStartLine)
    print("LastRequestHeader: " + rest.LastRequestHeader)
    sys.exit()

json.EmitCompact = False
print("JSON request body: " + json.Emit())

# The JSON response should look like this:
# { 
#  "location": {
#   "lat": 37.4248297,
#   "lng": -122.07346549999998
#  },
#  "accuracy": 1145.0
# }

print("JSON response: " + responseJson)

jsonResp = chilkat2.JsonObject()
jsonResp.Load(responseJson)

jsonLoc = chilkat2.JsonObject()
jsonResp.ObjectOf2("location",jsonLoc)

# Any JSON value can be obtained as a string..
latitude = jsonLoc.StringOf("lat")
print("latitude = " + latitude)
longitude = jsonLoc.StringOf("lng")
print("longitude = " + longitude)

accuracy = jsonResp.StringOf("accuracy")
print("accuracy = " + accuracy)