premiere-libtorrent/bindings/python/client.py

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#!/usr/bin/env python
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# Copyright Daniel Wallin 2006. Use, modification and distribution is
# subject to the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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import sys
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import atexit
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import libtorrent as lt
import time
import os.path
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class WindowsConsole:
def __init__(self):
self.console = Console.getconsole()
def clear(self):
self.console.page()
def write(self, str):
self.console.write(str)
def sleep_and_input(self, seconds):
time.sleep(seconds)
if msvcrt.kbhit():
return msvcrt.getch()
return None
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class UnixConsole:
def __init__(self):
self.fd = sys.stdin
self.old = termios.tcgetattr(self.fd.fileno())
new = termios.tcgetattr(self.fd.fileno())
new[3] = new[3] & ~termios.ICANON
new[6][termios.VTIME] = 0
new[6][termios.VMIN] = 1
termios.tcsetattr(self.fd.fileno(), termios.TCSADRAIN, new)
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atexit.register(self._onexit)
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def _onexit(self):
termios.tcsetattr(self.fd.fileno(), termios.TCSADRAIN, self.old)
def clear(self):
sys.stdout.write('\033[2J\033[0;0H')
sys.stdout.flush()
def write(self, str):
sys.stdout.write(str)
sys.stdout.flush()
def sleep_and_input(self, seconds):
read, __, __ = select.select(
[self.fd.fileno()], [], [], seconds)
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if len(read) > 0:
return self.fd.read(1)
return None
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if os.name == 'nt':
import Console
import msvcrt
else:
import termios
import select
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def write_line(console, line):
console.write(line)
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def add_suffix(val):
prefix = ['B', 'kB', 'MB', 'GB', 'TB']
for i in range(len(prefix)):
if abs(val) < 1000:
if i == 0:
return '%5.3g%s' % (val, prefix[i])
else:
return '%4.3g%s' % (val, prefix[i])
val /= 1000
return '%6.3gPB' % val
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def progress_bar(progress, width):
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assert(progress <= 1)
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progress_chars = int(progress * width + 0.5)
return progress_chars * '#' + (width - progress_chars) * '-'
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def print_peer_info(console, peers):
out = (' down (total ) up (total )'
' q r flags block progress client\n')
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for p in peers:
out += '%s/s ' % add_suffix(p.down_speed)
out += '(%s) ' % add_suffix(p.total_download)
out += '%s/s ' % add_suffix(p.up_speed)
out += '(%s) ' % add_suffix(p.total_upload)
out += '%2d ' % p.download_queue_length
out += '%2d ' % p.upload_queue_length
out += 'I' if p.flags & lt.peer_info.interesting else '.'
out += 'C' if p.flags & lt.peer_info.choked else '.'
out += 'i' if p.flags & lt.peer_info.remote_interested else '.'
out += 'c' if p.flags & lt.peer_info.remote_choked else '.'
out += 'e' if p.flags & lt.peer_info.supports_extensions else '.'
out += 'l' if p.flags & lt.peer_info.local_connection else 'r'
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out += ' '
if p.downloading_piece_index >= 0:
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assert(p.downloading_progress <= p.downloading_total)
out += progress_bar(float(p.downloading_progress) /
p.downloading_total, 15)
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else:
out += progress_bar(0, 15)
out += ' '
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if p.flags & lt.peer_info.handshake:
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id = 'waiting for handshake'
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elif p.flags & lt.peer_info.connecting:
id = 'connecting to peer'
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else:
id = p.client
out += '%s\n' % id[:10]
write_line(console, out)
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def print_download_queue(console, download_queue):
out = ""
for e in download_queue:
out += '%4d: [' % e['piece_index']
for b in e['blocks']:
s = b['state']
if s == 3:
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out += '#'
elif s == 2:
out += '='
elif s == 1:
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out += '-'
else:
out += ' '
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out += ']\n'
write_line(console, out)
def add_torrent(ses, filename, options):
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atp = lt.add_torrent_params()
if filename.startswith('magnet:'):
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atp = lt.parse_magnet_uri(filename)
else:
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atp.ti = lt.torrent_info(filename)
try:
atp.resume_data = open(os.path.join(options.save_path, atp.info.name() + '.fastresume'), 'rb').read()
except Exception:
pass
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atp.save_path = options.save_path
atp.storage_mode = lt.storage_mode_t.storage_mode_sparse
atp.flags |= lt.torrent_flags.duplicate_is_error \
| lt.torrent_flags.auto_managed \
| lt.torrent_flags.duplicate_is_error
ses.async_add_torrent(atp)
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def main():
from optparse import OptionParser
parser = OptionParser()
parser.add_option('-p', '--port', type='int', help='set listening port')
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parser.add_option(
'-i', '--listen-interface', type='string',
help='set interface for incoming connections', )
parser.add_option(
'-o', '--outgoing-interface', type='string',
help='set interface for outgoing connections')
parser.add_option(
'-d', '--max-download-rate', type='float',
help='the maximum download rate given in kB/s. 0 means infinite.')
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parser.add_option(
'-u', '--max-upload-rate', type='float',
help='the maximum upload rate given in kB/s. 0 means infinite.')
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parser.add_option(
'-s', '--save-path', type='string',
help='the path where the downloaded file/folder should be placed.')
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parser.add_option(
'-r', '--proxy-host', type='string',
help='sets HTTP proxy host and port (separated by \':\')')
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parser.set_defaults(
port=6881,
listen_interface='0.0.0.0',
outgoing_interface='',
max_download_rate=0,
max_upload_rate=0,
save_path='.',
proxy_host=''
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)
(options, args) = parser.parse_args()
if options.port < 0 or options.port > 65525:
options.port = 6881
options.max_upload_rate *= 1000
options.max_download_rate *= 1000
if options.max_upload_rate <= 0:
options.max_upload_rate = -1
if options.max_download_rate <= 0:
options.max_download_rate = -1
settings = {
'user_agent': 'python_client/' + lt.__version__,
'listen_interfaces': '%s:%d' % (options.listen_interface, options.port),
'download_rate_limit': int(options.max_download_rate),
'upload_rate_limit': int(options.max_upload_rate),
'alert_mask': lt.alert.category_t.all_categories,
'outgoing_interfaces': options.outgoing_interface,
}
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if options.proxy_host != '':
settings['proxy_hostname'] = options.proxy_host.split(':')[0]
settings['proxy_type'] = lt.proxy_type_t.http
settings['proxy_port'] = options.proxy_host.split(':')[1]
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ses = lt.session(settings)
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# map torrent_handle to torrent_status
torrents = {}
alerts_log = []
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for f in args:
add_torrent(ses, f, options)
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if os.name == 'nt':
console = WindowsConsole()
else:
console = UnixConsole()
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alive = True
while alive:
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console.clear()
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out = ''
for h, t in torrents.items():
out += 'name: %-40s\n' % t.name[:40]
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if t.state != lt.torrent_status.seeding:
state_str = ['queued', 'checking', 'downloading metadata',
'downloading', 'finished', 'seeding',
'allocating', 'checking fastresume']
out += state_str[t.state] + ' '
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out += '%5.4f%% ' % (t.progress * 100)
out += progress_bar(t.progress, 49)
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out += '\n'
out += 'total downloaded: %d Bytes\n' % t.total_done
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out += 'peers: %d seeds: %d distributed copies: %d\n' % \
(t.num_peers, t.num_seeds, t.distributed_copies)
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out += '\n'
out += 'download: %s/s (%s) ' \
% (add_suffix(t.download_rate), add_suffix(t.total_download))
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out += 'upload: %s/s (%s) ' \
% (add_suffix(t.upload_rate), add_suffix(t.total_upload))
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if t.state != lt.torrent_status.seeding:
out += 'info-hash: %s\n' % t.info_hash
out += 'next announce: %s\n' % t.next_announce
out += 'tracker: %s\n' % t.current_tracker
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write_line(console, out)
print_peer_info(console, t.handle.get_peer_info())
print_download_queue(console, t.handle.get_download_queue())
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if t.state != lt.torrent_status.seeding:
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try:
out = '\n'
fp = h.file_progress()
ti = t.torrent_file
for f, p in zip(ti.files(), fp):
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out += progress_bar(p / float(f.size), 20)
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out += ' ' + f.path + '\n'
write_line(console, out)
except Exception:
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pass
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write_line(console, 76 * '-' + '\n')
write_line(console, '(q)uit), (p)ause), (u)npause), (r)eannounce\n')
write_line(console, 76 * '-' + '\n')
alerts = ses.pop_alerts()
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for a in alerts:
alerts_log.append(a.message())
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# add new torrents to our list of torrent_status
if isinstance(a, lt.add_torrent_alert):
h = a.handle
h.set_max_connections(60)
h.set_max_uploads(-1)
torrents[h] = h.status()
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# update our torrent_status array for torrents that have
# changed some of their state
if isinstance(a, lt.state_update_alert):
for s in a.status:
torrents[s.handle] = s
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if len(alerts_log) > 20:
alerts_log = alerts_log[-20:]
for a in alerts_log:
write_line(console, a + '\n')
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c = console.sleep_and_input(0.5)
ses.post_torrent_updates()
if not c:
continue
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if c == 'r':
for h in torrents:
h.force_reannounce()
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elif c == 'q':
alive = False
elif c == 'p':
for h in torrents:
h.pause()
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elif c == 'u':
for h in torrents:
h.resume()
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ses.pause()
for h, t in torrents.items():
if not h.is_valid() or not t.has_metadata:
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continue
h.save_resume_data()
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while len(torrents) > 0:
alerts = ses.pop_alerts()
for a in alerts:
if isinstance(a, lt.save_resume_data_alert):
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print(a)
data = lt.write_resume_data_buf(a.params)
h = a.handle
if h in torrents:
open(os.path.join(options.save_path, torrents[h].name + '.fastresume'), 'wb').write(data)
del torrents[h]
if isinstance(a, lt.save_resume_data_failed_alert):
h = a.handle
if h in torrents:
print('failed to save resume data for ', torrents[h].name)
del torrents[h]
time.sleep(0.5)
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main()