CGI, POST, and file uploads

[Mitchell L Model]

On Mar 2, 2010, at 4:48 PM, I wrote:

> Can someone tell me how to upload the contents of a (relatively  
> small) file using an HTML form and CGI in Python 3.1? As far as I  
> can tell from a half-day of experimenting, browsing, and searching  
> the Python issue tracker, this is broken.

followed by a detailed example demonstrating the problem.

Having hear no response, let me clarify that this request was  
preliminary to filing a bug report -- I wanted to make sure I wasn't  
missing something here. If nothing else, this failure should be  
documented rather than the 3.1 library documentation continuing to  
describe how to upload file contents with POST. If someone thinks  
there is a way to make this work in 3.1, or that it isn't a bug  
because CGI is hopeless (i.e., non-WSGI-compliant), or that the  
documentation shouldn't be changed, please respond. I'd rather have  
this particular discussion here than in the bug tracking system.

Meanwhile, let me heartily recommend the Bottle Web Framework (http://bottle.paws.de 
) for its simplicity, flexibility, and power. Very cool stuff. To make  
it work in Python3.1, do the following:
	1. run 2to3 on bottle.py (the only file there is to download)
	2. copy or move the resulting bottle.py to the site-libs directory in  
your Python installation's library directory
	3. don't use request.GET.getone or request.POST.getone -- instead of  
getone, use get (the protocol changed to that of the Mapping ABC from  
the collections module)
	4. the contents of a file will be returned inside a cgi.FieldStorage  
object, so you need to add '.value' after the call to get in that case