Do not try to stream file through request

As response handling has changed in Django 1.5, current approach no
longer works. In future we should use StreamingHttpResponse class, but
as this is available only since Django 1.5, it should be done once we're
ready to drop 1.4 support.

trans/views/files.py

@@ -33,13 +33,6 @@ import os.path
 logger = logging.getLogger('weblate')
 
 
-# See https://code.djangoproject.com/ticket/6027
-class FixedFileWrapper(FileWrapper):
-    def __iter__(self):
-        self.filelike.seek(0)
-        return self
-
-
 def download_translation(request, project, subproject, lang):
     obj = get_translation(request, project, subproject, lang)
 
@@ -67,14 +60,14 @@ def download_translation(request, project, subproject, lang):
     # that useful)
     filename = '%s-%s-%s.%s' % (project, subproject, lang, ext)
 
-    # Django wrapper for sending file
-    wrapper = FixedFileWrapper(file(srcfilename))
-
-    response = HttpResponse(wrapper, mimetype=mime)
+    # Create response
+    response = HttpResponse(
+        file(srcfilename).read(),
+        mimetype=mime
+    )
 
     # Fill in response headers
     response['Content-Disposition'] = 'attachment; filename=%s' % filename
-    response['Content-Length'] = os.path.getsize(srcfilename)
 
     return response