add pull request API

there are a few little issues remaining.  Mostly regarding handling
meaningful non-20x response codes

1 files changed, 73 insertions, 0 deletions

diff --git a/pygithub3/services/pull_requests/comments.py b/pygithub3/services/pull_requests/comments.py
new file mode 100644
index 0000000..3aa6d0e
--- /dev/null
+++ b/pygithub3/services/pull_requests/comments.py
@@ -0,0 +1,73 @@
+from pygithub3.services.base import Service, MimeTypeMixin
+
+
+class Comments(Service, MimeTypeMixin):
+    """Consume `Review Comments API
+    <http://developer.github.com/v3/pulls/comments/>`_
+
+    """
+
+    def list(self, number, user=None, repo=None):
+        """List all the comments for a pull request
+
+        :param str number: The number of the pull request
+        :param str user: Username
+        :param str repo: Repository
+
+        """
+        return self._get_result(
+            self.make_request('pull_requests.comments.list', number=number,
+                              user=user, repo=repo)
+        )
+
+    def get(self, number, user=None, repo=None):
+        """Get a single comment
+
+        :param str number: The comment to get
+        :param str user: Username
+        :param str repo: Repository
+
+        """
+        return self._get(
+            self.make_request('pull_requests.comments.get', number=number,
+                              user=user, repo=repo)
+        )
+
+    def create(self, number, body, user=None, repo=None):
+        """Create a comment
+
+        :param str number: the pull request to comment on
+        :param str user: Username
+        :param str repo: Repository
+
+        """
+        return self._post(
+            self.make_request('pull_requests.comments.create', number=number,
+                              body=body, user=user, repo=repo)
+        )
+
+    def edit(self, number, body, user=None, repo=None):
+        """Edit a comment
+
+        :param str number: The id of the comment to edit
+        :param str user: Username
+        :param str repo: Repository
+
+        """
+        return self._patch(
+            self.make_request('pull_requests.comments.edit', number=number,
+                              body=body, user=user, repo=repo)
+        )
+
+    def delete(self, number, user=None, repo=None):
+        """Delete a comment
+
+        :param str number: The comment to delete
+        :param str user: Username
+        :param str repo: Repository
+
+        """
+        return self._delete(
+            self.make_request('pull_requests.comments.delete', number=number,
+                              user=user, repo=repo)
+        )