Merge pull request ozgur#71 from ivankravets/master

Add "get_post_comments" support

Author: ozgur

README.md

@@ -255,6 +255,16 @@ application.get_memberships(params={'count': 20})
    u'membershipState': {u'code': u'member'}}]}
 
 application.get_posts(41001)
+
+application.get_post_comments(
+    %POST_ID%,
+    selectors=[
+        {"creator": ["first-name", "last-name"]},
+        "creation-timestamp",
+        "text"
+    ],
+    params={"start": 0, "count": 20}
+) 
 ```
 
 You can also submit a new post into a specific group.

linkedin/linkedin.py

@@ -263,6 +263,16 @@ def get_posts(self, group_id, post_ids=None, selectors=None, params=None,
         response = self.make_request('GET', url, params=params, headers=headers)
         raise_for_error(response)
         return response.json()
+        
+    def get_post_comments(self, post_id, selectors=None, params=None,
+                  headers=None):
+        url = '%s/%s/comments' % (ENDPOINTS.POSTS, post_id)
+        if selectors:
+            url = '%s:(%s)' % (url, LinkedInSelector.parse(selectors))
+
+        response = self.make_request('GET', url, params=params, headers=headers)
+        raise_for_error(response)
+        return response.json()        
 
     def join_group(self, group_id):
         url = '%s/~/group-memberships/%s' % (ENDPOINTS.PEOPLE, str(group_id))