Merge branch 'v4_newsstory'

Author: Wasin Waeosri

README.md

@@ -3,6 +3,7 @@ This is an example project that shows how to implement TRKD REST Client with pyt
 - trkd_authen.py: An example application that shows how to authenticate with TRKD service
 - trkd_quote.py: An example application that shows how to subscribe (all fields and specific fields) the Quote data from TRKD service
 - trkd_newsheadline.py: An example application that shows how to subscribe the News Headline data from TRKD service
+- trkd_newsstory.py: An example application that shows how to subscribe the News Story data from TRKD service
 
 
 #prerequisite
@@ -37,4 +38,6 @@ The best way is to get the pip package management tool
 	- trkd_quote.py
 - Version 1.0.1: 7 Sep 2016
 	- trkd_newsheadline.py
-	- changed code structure to separate call http request 
+	- changed code structure to separate call http request 
+- Version 1.0.2: 19 Sep 2016
+	- trkd_newsstory.py

trkd_newsstory.py

@@ -0,0 +1,84 @@
+'''
+The TRKD API sample code is provided for informational purposes only 
+and without knowledge or assumptions of the end users development environment. 
+We offer this code to provide developers practical and useful guidance while developing their own code. 
+However, we do not offer support and troubleshooting of issues that are related to the use of this code 
+in a particular environment; it is offered solely as sample code for guidance. 
+Please see the Thomson Reuters Knowledge Direct product page at http://customers.thomsonreuters.com 
+for additional information regarding the TRKD API.'''
+
+import os
+import sys
+import requests
+import json
+import getpass
+
+def doSendRequest(url, requestMsg, headers):
+    result = None
+    try:
+        ##send request
+        result = requests.post(url, data=json.dumps(requestMsg), headers=headers)
+        if result.status_code == 500:
+            print 'Request fail'
+            print 'response status %s' % result.status_code
+            print 'Error: %s' % result.json()
+            sys.exit(1)
+    except requests.exceptions.RequestException, e:
+        print 'Exception!!!'
+        print e
+        sys.exit(1)
+    return result
+
+
+## Perform authentication
+def CreateAuthorization(username, password, appid):
+    token = None
+    ##create authentication request URL, message and header
+    authenMsg = {'CreateServiceToken_Request_1': { 'ApplicationID':appid, 'Username':username,'Password':password }}
+    authenURL = 'https://api.trkd.thomsonreuters.com/api/TokenManagement/TokenManagement.svc/REST/Anonymous/TokenManagement_1/CreateServiceToken_1'
+    headers = {'content-type': 'application/json;charset=utf-8'}
+    print '############### Sending Authentication request message to TRKD ###############'
+    authenResult = doSendRequest(authenURL, authenMsg, headers)
+    if authenResult is not None and authenResult.status_code == 200:
+        print 'Authen success'
+        print 'response status %s'%(authenResult.status_code)
+        ##get Token
+        token = authenResult.json()['CreateServiceToken_Response_1']['Token']
+    
+    return token
+
+## Perform News Story request 
+def RetrieveNewsStory(token, appid):
+    ##construct news headline URL and header
+    newsURL = 'http://api.rkd.reuters.com/api/News/News.svc/REST/News_1/RetrieveStoryML_1'
+    headers = {'content-type': 'application/json;charset=utf-8' ,'X-Trkd-Auth-ApplicationID': appid, 'X-Trkd-Auth-Token' : token}
+    ##construct a news headline story message
+    storyid = raw_input('Please input news story id: ')
+    newsRequestMsg = {'RetrieveStoryML_Request_1': {
+        'StoryMLRequest':{
+            'StoryId':[storyid]
+        }
+    }}
+
+    print '############### Sending News Story request message to TRKD ###############'
+    newsResult = doSendRequest(newsURL, newsRequestMsg,headers)
+    if newsResult is not None and newsResult.status_code == 200:
+        print 'News Story response message: '
+        print newsResult.json()
+
+
+
+## ------------------------------------------ Main App ------------------------------------------ ##
+##Get username, password and applicationid
+username = raw_input('Please input username: ')
+##use getpass.getpass to hide user inputted password
+password = getpass.getpass(prompt='Please input password: ')
+appid = raw_input('Please input appid: ')
+
+token = CreateAuthorization(username,password,appid)
+print 'Token = %s'%(token)
+
+## if authentiacation success, continue subscribing Quote
+if token is not None:
+    RetrieveNewsStory(token,appid)
+