# Matt Croydon <matt@ooiio.com> http://postneo.com
# Requires bencode from the bittorrent dist, this file is therefore released under the MIT license.MAXLINES
# Bdecode and BitTorrent were written by Bram Cohen.  Praise Bram!
import bencode
import sys, httplib, urlparse

if len(sys.argv) == 1:
    # User did not provide any command line arguments
    print 'Usage: %s url.\nExample: %s http://url.com/file.torrent' %(sys.argv[0], sys.argv[0])
else:
    # Parse the given URL with urlparse
    url = urlparse.urlparse(sys.argv[1])
    # Connect to the resource
    print 'Connecting to %s' % sys.argv[1]
    connection = httplib.HTTPConnection(url[1])
    connection.request('GET', url[2])
    # Get the response and prepare it for reading by bdecode
    response = connection.getresponse()
    if response.reason == 'OK':
        # File is correct, let's grab it
        data = response.read()
        # Decode the data
        torrent = bencode.bdecode(data)
        # Print out the information
        print 'Announce: %s' % torrent['announce']
        print 'Name: %s' % torrent['info']['name']
        print 'Piece length: %s' % torrent['info']['piece length']
        print 'File Info:'
        for file in torrent['info']['files']:
            print '\tPath: %s' % file['path']
            print '\tLength: %s' % file['length']
    else:
        # Something might have gone wrong
        print 'Error: %s %s' % (response.status, response.reason)
    connection.close()