[Twisted-web] Large file uploads

[Julian Pietron]

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Am 16.07.2010 17:33, schrieb exarkun at twistedmatrix.com:
> 
> You can override `Request.gotLength` to inspect the request and select 
> an appropriate destination for the request body.
> 
> You can convince Site to use your custom request by setting it as the 
> `requestFactory` attribute.
> 
> Jean-Paul
> 

Hi,

thanks for your reply. In meantime I tried cherrypy, which does its job
very good but has some flaws compared to my twisted applications when it
comes to performance and resource usage. So I'm still interested in
solving my problem by using twisted.
The problem is as follows: The file which shall be uploaded is sent via
a HTML form (encoded as multipart/form-data), and I'd like to use
Python's FieldStorage to parse the request body because it handles the
file matters very well. You can tell cherrypy, that for a certain
request uri cherrypy should not parse the request body but instead pass
it on unparsed to the handler method.
Is there a simple way of configuring twisted.web in this way to?
So that e.g. if request uri /do-upload-form is issued, twisted.web does
not try to parse the request body on its own and generate the args dict
to pass on to the render_POST method, but instead uses FieldStorage (or
better: my own subclass of FieldStorage, which employs a NamedTempFile
instead of an anonymous tempfile, which allows me to simply rename it
after it has passed some sanity checks) for parsing the body?

Thanks for your reply,
Julian
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