HTTP POST uploading large files

[Wolfgang Draxinger]

Paul Rubin wrote:

> Wolfgang Draxinger <wdraxinger at darkstargames.de> writes:
>> Am I just blind for some urllib2/httplib feature, or some
>> other library? Or do I really have to fiddle around with
>> sockets myself (I hope not...).
> 
> I did something like that by just opening a socket and writing
> the
> stuff with socket.sendall.  It's only about 5 lines of code and
> it's pretty straightforward.

Well, for YouTube you've to fiddle around with cookies,
form/multipart data and stuff like that. It's a bit more than
just opening a socket, there's some serious HTTP going on.

However I found a solution: The curl program, that comes with
libcurl and can be found on most *nix systems allows to do
pretty sophisticated HTTP requests, among them also sending
files by POST. So instead of using urllib2 or sockets from
Python, now my program just generates the appropriate calls to
curl, provides the in memory storage of cookies and does the
neccesary HTML parsing*. 

Wolfgang Draxinger

*) YouTube uploads videos in a two part process: First you set
the various video options, in return you get a form with some
hidden input fields, some of them providing a handle to the
already sent video information. That data has to be extracted
from the form and be put into the POST that also transfers the
video file.

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