Fixed #15531 -- Partially reverted [15701] due to compatibility issues with middlewares that modify content of responses. Thanks for the report, schinckel. Refs #15281.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15703 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/servers/basehttp.py

@@ -19,7 +19,6 @@ from django.core.management.color import color_style
 from django.utils.http import http_date
 from django.utils._os import safe_join
 from django.views import static
-from django.views.static import FileWrapper # for backwards compatibility, #15281
 
 from django.contrib.staticfiles import handlers
 
@@ -33,6 +32,30 @@ software_version = server_version + ' ' + sys_version
 class WSGIServerException(Exception):
     pass
 
+class FileWrapper(object):
+    """Wrapper to convert file-like objects to iterables"""
+
+    def __init__(self, filelike, blksize=8192):
+        self.filelike = filelike
+        self.blksize = blksize
+        if hasattr(filelike,'close'):
+            self.close = filelike.close
+
+    def __getitem__(self,key):
+        data = self.filelike.read(self.blksize)
+        if data:
+            return data
+        raise IndexError
+
+    def __iter__(self):
+        return self
+
+    def next(self):
+        data = self.filelike.read(self.blksize)
+        if data:
+            return data
+        raise StopIteration
+
 # Regular expression that matches `special' characters in parameters, the
 # existence of which force quoting of the parameter value.
 tspecials = re.compile(r'[ \(\)<>@,;:\\"/\[\]\?=]')