forked from effigies/BitTornado
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btdownloadheadless.py
executable file
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btdownloadheadless.py
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#!/usr/bin/env python3
# Written by Bram Cohen
# see LICENSE.txt for license information
import sys
import os
import time
import random
import socket
import hashlib
import threading
from BitTornado.Client.download_bt1 import BT1Download, defaults, \
parse_params, get_usage, get_metainfo
from BitTornado.Network.RawServer import RawServer
from BitTornado.Network.SocketHandler import UPnP_ERROR
from BitTornado.Meta.bencode import bencode
from BitTornado.Network.natpunch import UPnP_test
from BitTornado.clock import clock
from BitTornado import version
from BitTornado.Application.ConfigDir import ConfigDir
from BitTornado.Application.NumberFormats import formatIntText
from BitTornado.Application.PeerID import createPeerID
PROFILER = False
class HeadlessDisplayer:
def __init__(self):
self.done = False
self.file = ''
self.percentDone = ''
self.timeEst = ''
self.downloadTo = ''
self.downRate = ''
self.upRate = ''
self.shareRating = ''
self.seedStatus = ''
self.peerStatus = ''
self.errors = []
self.last_update_time = -1
def finished(self):
self.done = True
self.percentDone = '100'
self.timeEst = 'Download Succeeded!'
self.downRate = ''
self.display()
def failed(self):
self.done = True
self.percentDone = '0'
self.timeEst = 'Download Failed!'
self.downRate = ''
self.display()
def error(self, errormsg):
self.errors.append(errormsg)
self.display()
def display(self, dpflag=threading.Event(), fractionDone=None,
timeEst=None, downRate=None, upRate=None, activity=None,
statistics=None, **kws):
if self.last_update_time + 0.1 > clock() and \
fractionDone not in (0.0, 1.0) and activity is not None:
return
self.last_update_time = clock()
if fractionDone is not None:
self.percentDone = str(float(int(fractionDone * 1000)) / 10)
if timeEst is not None:
self.timeEst = formatIntText(timeEst)
if activity is not None and not self.done:
self.timeEst = activity
if downRate is not None:
self.downRate = '%.1f kB/s' % (float(downRate) / (1 << 10))
if upRate is not None:
self.upRate = '%.1f kB/s' % (float(upRate) / (1 << 10))
if statistics is not None:
self.shareRating = '{} ({:.1f} MB up / {:.1f} MB down)'.format(
'{:.3f}'.format(statistics.shareRating)
if 0 <= statistics.shareRating <= 100 else 'oo',
float(statistics.upTotal) / (1 << 20),
float(statistics.downTotal) / (1 << 20))
if not self.done:
self.seedStatus = '{:d} seen now, plus {:.3f} distributed ' \
'copies'.format(statistics.numSeeds,
statistics.numCopies)
else:
self.seedStatus = '{:d} seen recently, plus {:.3f} ' \
'distributed copies'.format(statistics.numOldSeeds,
statistics.numCopies)
self.peerStatus = '{:d} seen now, {:.1%} done at {:.1f} kB/s' \
''.format(statistics.numPeers,
statistics.percentDone / 100,
float(statistics.torrentRate) / (1 << 10))
print('\n\n\n\n')
for err in self.errors:
print('ERROR:\n' + err + '\n')
print('saving: ', self.file)
print('percent done: ', self.percentDone)
print('time left: ', self.timeEst)
print('download to: ', self.downloadTo)
print('download rate: ', self.downRate)
print('upload rate: ', self.upRate)
print('share rating: ', self.shareRating)
print('seed status: ', self.seedStatus)
print('peer status: ', self.peerStatus)
sys.stdout.flush()
dpflag.set()
def chooseFile(self, default, size, saveas, dir):
self.file = '%s (%.1f MB)' % (default, float(size) / (1 << 20))
if saveas != '':
default = saveas
self.downloadTo = os.path.abspath(default)
return default
def newpath(self, path):
self.downloadTo = path
def run(params):
h = HeadlessDisplayer()
while 1:
configdir = ConfigDir('downloadheadless')
defaultsToIgnore = ['metafile', 'url', 'priority']
configdir.setDefaults(defaults, defaultsToIgnore)
configdefaults = configdir.loadConfig()
defaults.append(
('save_options', 0, 'whether to save the current options as the '
'new default configuration (only for btdownloadheadless.py)'))
try:
config = parse_params(params, configdefaults)
except ValueError as e:
print('error: {}\n'.format(e),
'run with no args for parameter explanations')
break
if not config:
print(get_usage(defaults, 80, configdefaults))
break
if config['save_options']:
configdir.saveConfig(config)
configdir.deleteOldCacheData(config['expire_cache_data'])
myid = createPeerID()
random.seed(myid)
doneflag = threading.Event()
def disp_exception(text):
print(text)
rawserver = RawServer(
doneflag, config['timeout_check_interval'], config['timeout'],
ipv6_enable=config['ipv6_enabled'], failfunc=h.failed,
errorfunc=disp_exception)
upnp_type = UPnP_test(config['upnp_nat_access'])
while True:
try:
listen_port = rawserver.find_and_bind(
config['minport'], config['maxport'], config['bind'],
ipv6_socket_style=config['ipv6_binds_v4'],
upnp=upnp_type, randomizer=config['random_port'])
break
except socket.error as e:
if upnp_type and e == UPnP_ERROR:
print('WARNING: COULD NOT FORWARD VIA UPnP')
upnp_type = 0
continue
print("error: Couldn't listen - ", e)
h.failed()
return
metainfo = get_metainfo(config['metafile'], config['url'], h.error)
if not metainfo:
break
infohash = hashlib.sha1(bencode(metainfo['info'])).digest()
dow = BT1Download(
h.display, h.finished, h.error, disp_exception, doneflag, config,
metainfo, infohash, myid, rawserver, listen_port, configdir)
if not dow.saveAs(h.chooseFile, h.newpath):
break
if not dow.initFiles(old_style=True):
break
if not dow.startEngine():
dow.shutdown()
break
dow.startRerequester()
dow.autoStats()
if not dow.am_I_finished():
h.display(activity='connecting to peers')
rawserver.listen_forever(dow.getPortHandler())
h.display(activity='shutting down')
dow.shutdown()
break
try:
rawserver.shutdown()
except Exception:
pass
if not h.done:
h.failed()
if __name__ == '__main__':
if sys.argv[1:] == ['--version']:
print(version)
sys.exit(0)
if PROFILER:
import profile
import pstats
p = profile.Profile()
p.runcall(run, sys.argv[1:])
log_fname = 'profile_data.' + time.strftime('%y%m%d%H%M%S') + '.txt'
with open(log_fname, 'a') as log:
normalstdout, sys.stdout = sys.stdout, log
pstats.Stats(p).strip_dirs().sort_stats('time').print_stats()
sys.stdout = normalstdout
else:
run(sys.argv[1:])