Reverting r3805 whilst I track down a potential problem with it.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3806 bcc190cf-cafb-0310-a4f2-bffc1f526a37

AUTHORS

@@ -100,7 +100,6 @@ answer newbie questions, and generally made Django that much better:
     lakin.wecker@gmail.com
     Stuart Langridge <http://www.kryogenix.org/>
     Eugene Lazutkin <http://lazutkin.com/blog/>
-    Jeong-Min Lee
     Christopher Lenz <http://www.cmlenz.net/>
     limodou
     Martin Maney <http://www.chipy.org/Martin_Maney>

django/core/handlers/wsgi.py

@@ -4,11 +4,6 @@ from django.dispatch import dispatcher
 from django.utils import datastructures
 from django import http
 from pprint import pformat
-from shutil import copyfileobj
-try:
-    from cStringIO import StringIO
-except ImportError:
-    from StringIO import StringIO
 
 # See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
 STATUS_CODE_TEXT = {
@@ -55,21 +50,6 @@ STATUS_CODE_TEXT = {
     505: 'HTTP VERSION NOT SUPPORTED',
 }
 
-def safe_copyfileobj(fsrc, fdst, length=16*1024, size=0):
-    """
-    A version of shutil.copyfileobj that will not read more than 'size' bytes.
-    This makes it safe from clients sending more than CONTENT_LENGTH bytes of
-    data in the body.
-    """
-    if not size:
-        return copyfileobj(fsrc, fdst, length)
-    while size > 0:
-        buf = fsrc.read(min(length, remain))
-        if not buf:
-            break
-        fdst.write(buf)
-        size -= len(buf)
-
 class WSGIRequest(http.HttpRequest):
     def __init__(self, environ):
         self.environ = environ
@@ -139,11 +119,7 @@ class WSGIRequest(http.HttpRequest):
         try:
             return self._raw_post_data
         except AttributeError:
-            buf = StringIO()
+            self._raw_post_data = self.environ['wsgi.input'].read(int(self.environ["CONTENT_LENGTH"]))
-            content_length = int(self.environ['CONTENT_LENGTH'])
-            safe_copyfileobj(self.environ['wsgi.input'], buf, size=content_length)
-            self._raw_post_data = buf.getvalue()
-            buf.close()
             return self._raw_post_data
 
     GET = property(_get_get, _set_get)