Hi, Piotr. On Google App Engine, response headers are just a dictionary. In order to delete the Content-Length response header, somewhere in your head request handler, add this line:
del self.response.headers['Content-Length'] Good luck, Raj On Jan 17, 2010, at 2:55 AM, Piotr Sikora wrote: > Hello, > I noticed that Google Frontend overrides user-supplied "Content-Length" > header with its own. This is of course good idea, but I find this undesirable > for HEAD requests, especially when combined with Blobstore. For *every* HEAD > request Google Frontend returns response with "Content-Length: 0". > > Would it be possible to disable this for HEAD requests or at least provide > way to conditionaly disable this based on user-supplied header (ie. > "X-AppEngine-Override: Content-Length")? > > According to RFC 2616: > > 9.4 HEAD > The HEAD method is identical to GET except that the server MUST NOT return a > message-body in the response. The metainformation contained in the HTTP > headers in response to a HEAD request SHOULD be identical to the information > sent in response to a GET request. This method can be used for obtaining > metainformation about the entity implied by the request without transferring > the entity-body itself. This method is often used for testing hypertext links > for validity, accessibility, and recent modification. > > The response to a HEAD request MAY be cacheable in the sense that the > information contained in the response MAY be used to update a previously > cached entity from that resource. If the new field values indicate that the > cached entity differs from the current entity (as would be indicated by a > change in Content-Length, Content-MD5, ETag or Last-Modified), then the cache > MUST treat the cache entry as stale. > > Best regards, > Piotr Sikora < [email protected] > > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > >--
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