From a197309e214ad060cd5f084ab47f6d04f09cf68b Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.com>
Date: Mon, 17 Dec 2012 06:02:01 -0500
Subject: [PATCH] generator rejection

---
 requests/models.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/requests/models.py b/requests/models.py
index 741959a..d77ade5 100644
--- a/requests/models.py
+++ b/requests/models.py
@@ -9,12 +9,13 @@ This module contains the primary objects that power Requests.
 
 # import os
 # import socket
+
 import collections
 import logging
 
 # from datetime import datetime
 from io import BytesIO
-
+from types import GeneratorType
 from .hooks import dispatch_hook, default_hooks
 from .structures import CaseInsensitiveDict
 from .status_codes import codes
@@ -305,7 +306,10 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
 
     def prepare_body(self, data, files):
         """Prepares the given HTTP body data."""
-        # if a generator is provided, error out.
+
+        # If a generator is provided, error out.
+        if isinstance(data, types.GeneratorType)
+            raise NotImplementedError('Generator bodies are not supported yet.')
 
         # Nottin' on you.
         body = None
-- 
2.34.1