Its handy enough to implement.

lets say your file parameter is called 'file'...

#os_uploadCacheImage is a Zope External method.
if request.has_key('file'):
  context.os_uploadCacheImage(context.PATH_CACHE,
request['file'], request['file'].filename)

#co-responding implementation for zope external method
os_uploadCacheImage
def uploadCacheImage(self, basePath, file, filename):
  cacheFile = open(basePath + "/" + filename, "wb")
  cacheFile.write(file.read())
  cacheFile.close()


--- J Cameron Cooper <[EMAIL PROTECTED]> wrote:
> >
> >
> >   I have been looking at the FileUpload class defined
> in HTTPRequest.py
> >but am still a little confused about how it works.
> >
> >   When a form is submitted with an <input type="file"
> ...>, where are the
> >contents of the uploaded file stored?  Is it
> automatically stored in the
> >ZODB, or is it stored in memory until some other code
> (like that in
> >Image.py) stores it?
> >
> >   The reason I am asking is that I want to store
> uploaded files on the
> >file system instead of in the ZODB.  (We are running
> Zope behind an Apache
> >web server, so the uploaded files will be placed under
> Apache's document
> >root so they can be served directly by Apache.)  Being
> new to Zope and
> >Python, it is not clear to me exactly how to go about
> this.
> >  
> >
> Don't bother mucking around in the core. The right way to
> do it is to 
> use a Product that stores data on the fiesystem, acting
> as a facade.
> 
> Look at LocalFS, ExtFile/ExtImage, ExternalFile, and
> possibly APE. 
> Probably LocalFS or ExternalFile are most interesting to
> you.
> 
> http://sourceforge.net/projects/localfs
> http://zope.org/Members/arielpartners/ExternalFile
> http://zope.org/Members/MacGregor/ExtFile
> http://hathaway.freezope.org/Software/Ape
> 
>           --jcc
> 
> 
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