Merge pull request #11 from canojim/finance-news

add method to get google finance news based on ticker

README.md

@@ -58,3 +58,30 @@ From development repo (requires git)
         "ID": "978541942832888"
       }
     ]
+
+    >>> from googlefinance import getNews
+    >>> import json
+    >>> print json.dumps(getNews("GOOG"), indent=2)
+    [
+      {
+        "usg": "AFQjCNEndnF6ktTO4yZ7DO6VWNNKuNLRqA",
+        "d": "Feb 26, 2016",
+        "tt": "1456499673",
+        "sp": "Alphabet logo Alphabet Inc (NASDAQ:GOOG) CEO Lawrence Page sold 33,332 shares of the firm's stock in a transaction dated Tuesday, March 22nd.",
+        "s": "Financial Market News",
+        "u": "http://www.financial-market-news.com/alphabet-inc-goog-ceo-lawrence-page-sells-33332-shares/996645/",
+        "t": "Alphabet Inc (GOOG) CEO Lawrence Page Sells 33332 Shares",
+        "sru": "http://news.google.com/news/url?sa=T&ct2=us&fd=S&url=http://www.financial-market-news.com/alphabet-inc-goog-ceo-lawrence-page-sells-33332-shares/996645/&cid=52779068349451&ei=jVn_VsrfApXcuATP4JvQBw&usg=AFQjCNHkHXAJIZRMHo9ciTAb7OWzj9pKvA"
+      },
+      {
+        "usg": "AFQjCNHfaafHtJPn5GWu-6RiVG_J_1TYUw",
+        "d": "Mar 26, 2016",
+        "tt": "1458951075",
+        "sp": "You don't get to $300 billion without overcoming your fair share of problems. This truism certainly applies individually to tech titans Alphabet (NASDAQ:GOOG) (NASDAQ:GOOGL) and Apple (NASDAQ:AAPL) at different points in their respective corporate ...",
+        "s": "Motley Fool",
+        "u": "http://www.fool.com/investing/general/2016/03/25/alphabet-inc-eyes-a-new-road-to-mobile-success-in.aspx",
+        "t": "Alphabet Inc Eyes a New Road to Mobile Success in the Most Unlikely Places",
+        "sru": "http://news.google.com/news/url?sa=T&ct2=us&fd=S&url=http://www.fool.com/investing/general/2016/03/25/alphabet-inc-eyes-a-new-road-to-mobile-success-in.aspx&cid=52779068349451&ei=jVn_VsrfApXcuATP4JvQBw&usg=AFQjCNEFa7EPWB-kyl2C23OTRHOWRJN52w"
+      }
+    ]
+

example.py

@@ -0,0 +1,6 @@
+from googlefinance import getQuotes
+from googlefinance import getNews
+
+import json
+print json.dumps(getQuotes('GOOG'), indent=2)
+print json.dumps(getNews("GOOG"), indent=2)

googlefinance/__init__.py

@@ -1,5 +1,6 @@
 import json
 import sys
+import demjson
 
 try:
     from urllib.request import Request, urlopen
@@ -36,6 +37,10 @@ def buildUrl(symbols):
     return 'http://finance.google.com/finance/info?client=ig&q=' \
         + symbol_list
 
+def buildNewsUrl(symbol, qs='&start=0&num=1000'):
+   return 'http://www.google.com/finance/company_news?output=json&q=' \
+        + symbol + qs
+
 def request(symbols):
     url = buildUrl(symbols)
     req = Request(url)
@@ -45,6 +50,26 @@ def request(symbols):
     content = content[3:]
     return content
 
+def requestNews(symbol):
+    url = buildNewsUrl(symbol)
+    print "url: ", url
+    req = Request(url)
+    resp = urlopen(req)
+    content = resp.read()
+
+    content_json = demjson.decode(content)
+
+    #print "total news: ", content_json['total_number_of_news']
+
+    article_json = []
+    news_json = content_json['clusters']
+    for cluster in news_json:
+        for article in cluster:
+            if article == 'a':
+                article_json.extend(cluster[article])
+
+    return article_json
+
 def replaceKeys(quotes):
     global googleFinanceKeyToFullName
     quotesWithReadableKey = []
@@ -79,6 +104,9 @@ def getQuotes(symbols):
     content = json.loads(request(symbols))
     return replaceKeys(content);
 
+def getNews(symbol):
+    return requestNews(symbol);
+
 if __name__ == '__main__':
     try:
         symbols = sys.argv[1]
@@ -87,7 +115,5 @@ if __name__ == '__main__':
 
     symbols = symbols.split(',')
 
-    try:
+    print(json.dumps(getNews("GOOG"), indent=2))
     print(json.dumps(getQuotes(symbols), indent=2))        
-    except:
-        print("Fail")