async def download(t_file : str, download_loc : str, loop=None):
'''Entry point for client, initializes `Peers` and `DownloadSession` according to
configureation present in `t_file` which is the .torrent file and saves the
downloaded file to `download_loc` directory'''
torrent = Torrent(t_file)
LOG.info('Torrent : {}'.format(torrent))
torrent_writer = FileSaver(download_loc, torrent)
session = DownloadSession(torrent, torrent_writer.get_received_blocks_queue())
tracker = Tracker(torrent) # implement Tracker class
peer_info = await tracker.get_peers()
seen_peers = set()
peers = [Peer(session, host, port) for host, port in peer_info]
seen_peers.update([str(p) for p in peers])
LOG.info('Peers : {}'.format(seen_peers))
asyncio.gather([peer.download() for peer in peers])
