Uploading a file via POST ?

[Oliver Hofmann]

'lo everyone!


I am trying to write a small client in Python which submits a file
to a webpage via the POST method. Part of the .html reads:

----
<FORM METHOD=POST  ENCTYPE=multipart/form-data
   ACTION="/cgi-bin/tst.pl_batch" 
          onsubmit="return FSubmitValidation(this)">

<INPUT TYPE=text SIZE=40 NAME=Email_Address>
<INPUT TYPE=file NAME=UpLoad_File SIZE=50>  
----

I've taken a look at urllib.urlopen, however it seems to be limited
more or less to GET requests. An optional data-argument must be
in 'standard application/x-www-form-urlencoded format'; since the
form requires multipart form-data this is probably not going to 
work. 

Is there an easy way to upload a file and pass parameters to the
server script?


Thanks a lot,


	Oliver