Merge pull request #32 from hfaran/develop

develop -> master for 0.5.2

Author: hfaran

CONTRIBUTORS.md

@@ -21,3 +21,6 @@
 
 * Waleed Khan [@arxanas](https://github.com/arxanas)
     - [`Network.create_followup`](https://github.com/hfaran/piazza-api/pull/25)
+
+* [@DavidSnider](https://github.com/DavidSnider)
+    - [feat(user): Add answer-creating functionality](https://github.com/hfaran/piazza-api/pull/31)

piazza_api/__init__.py

@@ -1,3 +1,3 @@
 from piazza_api.piazza import Piazza
 
-__version__ = "0.5.1"
+__version__ = "0.5.2"

piazza_api/network.py

@@ -139,6 +139,40 @@ def create_followup(self, post, content, anonymous=False):
         }
         return self._rpc.content_create(params)
 
+    def create_instructor_answer(self, post, content, revision, anonymous=False):
+        """Create an instructor's answer to a post `post`.
+
+        It seems like if the post has `<p>` tags, then it's treated as HTML,
+        but is treated as text otherwise. You'll want to provide `content`
+        accordingly.
+
+        :type  post: dict|str|int
+        :param post: Either the post dict returned by another API method, or
+            the `cid` field of that post.
+        :type  content: str
+        :param content: The content of the answer.
+        :type  revision: int
+        :param revision: The number of revisions the answer has gone through.
+            The first responder should out 0, the first editor 1, etc.
+        :type  anonymous: bool
+        :param anonymous: Whether or not to post anonymously.
+        :rtype: dict
+        :returns: Dictionary with information about the created answer.
+        """
+        try:
+            cid = post["id"]
+        except KeyError:
+            cid = post
+
+        params = {
+            "cid": cid,
+            "type": "i_answer",
+            "content": content,
+            "revision": revision,
+            "anonymous": "yes" if anonymous else "no",
+        }
+        return self._rpc.content_instructor_answer(params)
+
     #########
     # Users #
     #########

piazza_api/rpc.py

@@ -111,6 +111,22 @@ def content_create(self, params):
         return self._handle_error(r, "Could not create object {}.".format(
                                      repr(params)))
 
+    def content_instructor_answer(self, params):
+        """Answer a post as an instructor.
+
+        :type  params: dict
+        :param params: A dict of options to pass to the endpoint. Depends on
+            the specific type of content being created.
+        :returns: Python object containing returned data
+        """
+        r = self.request(
+            method="content.answer",
+            data=params
+        )
+        return self._handle_error(r, "Could not create object {}.".format(
+                                     repr(params)))
+
+
     def add_students(self, student_emails, nid=None):
         """Enroll students in a network `nid`.