Fix for GAE and requests compatibility issue

Issue: wooyek/flask-social-blueprint#18

Makefile

@@ -24,6 +24,8 @@ deps:
 	# for local development environment
 	$(VENV_DIR)/bin/pip install -Ur $(REQ_DIR)$(REQ_DEV)
 	$(NODE_PKGMGR) $(NODE_DIR) install
+	# Patch requests for GAE
+	patch -p0 < requests-models-py.patch
 
 server:
 	$(VENV_DIR)/bin/python $(SERVER_DIR)$(SERVER)

requests-models-py.patch

@@ -0,0 +1,21 @@
+--- src/venv/lib/python3.6/site-packages/requests/models.py	2017-12-19 05:12:08.387025356 -0800
++++ src/lib/requests/models.py	2017-12-19 05:21:08.333796614 -0800
+@@ -654,8 +654,16 @@
+             # Special case for urllib3.
+             if hasattr(self.raw, 'stream'):
+                 try:
+-                    for chunk in self.raw.stream(chunk_size, decode_content=True):
+-                        yield chunk
++                    # Special case for Google App Engine
++                    if isinstance(self.raw._original_response._method, int):
++                        while True:
++                            chunk = self.raw.read(chunk_size, decode_content=True)
++                            if not chunk:
++                                break
++                            yield chunk
++                    else:
++                        for chunk in self.raw.stream(chunk_size, decode_content=True):
++                            yield chunk
+                 except ProtocolError as e:
+                     raise ChunkedEncodingError(e)
+                 except DecodeError as e:

src/requirements.txt

@@ -1,3 +1,4 @@
 Flask==0.12.2
 flask-restful
 google-cloud-datastore
+requests==2.8.1

src/server/api/posts.py

@@ -21,8 +21,9 @@ def get(self):
 class PostAPI(Resource):
     def get(self, title):
         query = QueryHelper()
-        query.add_filter('title', '=', title)
-        result = list(query.fetch())
+        fetched = query.fetch()
+        result = list(
+            post for post in fetched if title == post['title'])
         if len(result) == 0:
             abort(404)
         return jsonify(result[0])
@@ -36,4 +37,4 @@ def get(self, category):
             post for post in fetched if category in post['categories'])
         if len(result) == 0:
             abort(404)
-        return jsonify(result)
+        return jsonify(result)