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kaklik |
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#!/usr/bin/env python
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# Written by John Hoffman
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# see LICENSE.txt for license information
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from BitTornado import PSYCO
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if PSYCO.psyco:
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try:
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import psyco
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assert psyco.__version__ >= 0x010100f0
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psyco.full()
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except:
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pass
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from download_bt1 import BT1Download
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from RawServer import RawServer, UPnP_ERROR
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from RateLimiter import RateLimiter
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from ServerPortHandler import MultiHandler
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from parsedir import parsedir
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from natpunch import UPnP_test
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from random import seed
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from socket import error as socketerror
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from threading import Event
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from sys import argv, exit
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import sys, os
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from clock import clock
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from __init__ import createPeerID, mapbase64, version
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from cStringIO import StringIO
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from traceback import print_exc
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try:
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True
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except:
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True = 1
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False = 0
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def fmttime(n):
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try:
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n = int(n) # n may be None or too large
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assert n < 5184000 # 60 days
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except:
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return 'downloading'
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m, s = divmod(n, 60)
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h, m = divmod(m, 60)
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return '%d:%02d:%02d' % (h, m, s)
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class SingleDownload:
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def __init__(self, controller, hash, response, config, myid):
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self.controller = controller
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self.hash = hash
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self.response = response
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self.config = config
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self.doneflag = Event()
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self.waiting = True
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self.checking = False
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self.working = False
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self.seed = False
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self.closed = False
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self.status_msg = ''
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self.status_err = ['']
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self.status_errtime = 0
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self.status_done = 0.0
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self.rawserver = controller.handler.newRawServer(hash, self.doneflag)
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d = BT1Download(self.display, self.finished, self.error,
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controller.exchandler, self.doneflag, config, response,
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hash, myid, self.rawserver, controller.listen_port)
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self.d = d
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def start(self):
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if not self.d.saveAs(self.saveAs):
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self._shutdown()
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return
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self._hashcheckfunc = self.d.initFiles()
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if not self._hashcheckfunc:
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self._shutdown()
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return
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self.controller.hashchecksched(self.hash)
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def saveAs(self, name, length, saveas, isdir):
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return self.controller.saveAs(self.hash, name, saveas, isdir)
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def hashcheck_start(self, donefunc):
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if self.is_dead():
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self._shutdown()
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return
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self.waiting = False
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self.checking = True
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self._hashcheckfunc(donefunc)
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def hashcheck_callback(self):
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self.checking = False
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if self.is_dead():
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self._shutdown()
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return
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if not self.d.startEngine(ratelimiter = self.controller.ratelimiter):
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self._shutdown()
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return
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self.d.startRerequester()
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self.statsfunc = self.d.startStats()
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self.rawserver.start_listening(self.d.getPortHandler())
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self.working = True
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def is_dead(self):
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return self.doneflag.isSet()
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def _shutdown(self):
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self.shutdown(False)
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def shutdown(self, quiet=True):
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if self.closed:
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return
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self.doneflag.set()
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self.rawserver.shutdown()
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if self.checking or self.working:
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self.d.shutdown()
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self.waiting = False
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self.checking = False
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self.working = False
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self.closed = True
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self.controller.was_stopped(self.hash)
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if not quiet:
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self.controller.died(self.hash)
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def display(self, activity = None, fractionDone = None):
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# really only used by StorageWrapper now
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if activity:
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self.status_msg = activity
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if fractionDone is not None:
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self.status_done = float(fractionDone)
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def finished(self):
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self.seed = True
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def error(self, msg):
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if self.doneflag.isSet():
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self._shutdown()
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self.status_err.append(msg)
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self.status_errtime = clock()
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class LaunchMany:
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def __init__(self, config, Output):
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try:
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self.config = config
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self.Output = Output
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self.torrent_dir = config['torrent_dir']
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self.torrent_cache = {}
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self.file_cache = {}
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self.blocked_files = {}
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self.scan_period = config['parse_dir_interval']
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self.stats_period = config['display_interval']
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self.torrent_list = []
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self.downloads = {}
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self.counter = 0
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self.doneflag = Event()
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self.hashcheck_queue = []
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self.hashcheck_current = None
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self.rawserver = RawServer(self.doneflag, config['timeout_check_interval'],
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config['timeout'], ipv6_enable = config['ipv6_enabled'],
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failfunc = self.failed, errorfunc = self.exchandler)
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upnp_type = UPnP_test(config['upnp_nat_access'])
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while True:
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try:
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self.listen_port = self.rawserver.find_and_bind(
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config['minport'], config['maxport'], config['bind'],
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ipv6_socket_style = config['ipv6_binds_v4'],
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upnp = upnp_type, randomizer = config['random_port'])
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break
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except socketerror, e:
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if upnp_type and e == UPnP_ERROR:
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self.Output.message('WARNING: COULD NOT FORWARD VIA UPnP')
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upnp_type = 0
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continue
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self.failed("Couldn't listen - " + str(e))
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return
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self.ratelimiter = RateLimiter(self.rawserver.add_task,
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config['upload_unit_size'])
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self.ratelimiter.set_upload_rate(config['max_upload_rate'])
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self.handler = MultiHandler(self.rawserver, self.doneflag)
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seed(createPeerID())
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self.rawserver.add_task(self.scan, 0)
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self.rawserver.add_task(self.stats, 0)
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self.handler.listen_forever()
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self.Output.message('shutting down')
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self.hashcheck_queue = []
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for hash in self.torrent_list:
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self.Output.message('dropped "'+self.torrent_cache[hash]['path']+'"')
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self.downloads[hash].shutdown()
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self.rawserver.shutdown()
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except:
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data = StringIO()
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print_exc(file = data)
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Output.exception(data.getvalue())
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def scan(self):
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self.rawserver.add_task(self.scan, self.scan_period)
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r = parsedir(self.torrent_dir, self.torrent_cache,
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self.file_cache, self.blocked_files,
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return_metainfo = True, errfunc = self.Output.message)
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( self.torrent_cache, self.file_cache, self.blocked_files,
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added, removed ) = r
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for hash, data in removed.items():
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self.Output.message('dropped "'+data['path']+'"')
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self.remove(hash)
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for hash, data in added.items():
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self.Output.message('added "'+data['path']+'"')
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self.add(hash, data)
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def stats(self):
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self.rawserver.add_task(self.stats, self.stats_period)
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data = []
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for hash in self.torrent_list:
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cache = self.torrent_cache[hash]
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if self.config['display_path']:
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name = cache['path']
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else:
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name = cache['name']
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size = cache['length']
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d = self.downloads[hash]
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progress = '0.0%'
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peers = 0
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seeds = 0
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seedsmsg = "S"
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dist = 0.0
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uprate = 0.0
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dnrate = 0.0
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upamt = 0
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dnamt = 0
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t = 0
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if d.is_dead():
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status = 'stopped'
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elif d.waiting:
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status = 'waiting for hash check'
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elif d.checking:
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status = d.status_msg
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progress = '%.1f%%' % (d.status_done*100)
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else:
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stats = d.statsfunc()
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s = stats['stats']
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if d.seed:
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status = 'seeding'
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progress = '100.0%'
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seeds = s.numOldSeeds
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seedsmsg = "s"
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dist = s.numCopies
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else:
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if s.numSeeds + s.numPeers:
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t = stats['time']
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if t == 0: # unlikely
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t = 0.01
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status = fmttime(t)
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else:
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t = -1
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status = 'connecting to peers'
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progress = '%.1f%%' % (int(stats['frac']*1000)/10.0)
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seeds = s.numSeeds
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dist = s.numCopies2
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dnrate = stats['down']
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peers = s.numPeers
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uprate = stats['up']
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upamt = s.upTotal
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dnamt = s.downTotal
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if d.is_dead() or d.status_errtime+300 > clock():
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msg = d.status_err[-1]
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else:
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msg = ''
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data.append(( name, status, progress, peers, seeds, seedsmsg, dist,
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uprate, dnrate, upamt, dnamt, size, t, msg ))
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stop = self.Output.display(data)
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if stop:
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self.doneflag.set()
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def remove(self, hash):
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self.torrent_list.remove(hash)
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self.downloads[hash].shutdown()
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del self.downloads[hash]
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def add(self, hash, data):
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c = self.counter
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self.counter += 1
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x = ''
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for i in xrange(3):
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x = mapbase64[c & 0x3F]+x
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c >>= 6
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peer_id = createPeerID(x)
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d = SingleDownload(self, hash, data['metainfo'], self.config, peer_id)
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self.torrent_list.append(hash)
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self.downloads[hash] = d
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d.start()
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def saveAs(self, hash, name, saveas, isdir):
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x = self.torrent_cache[hash]
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style = self.config['saveas_style']
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if style == 1 or style == 3:
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if saveas:
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saveas = os.path.join(saveas,x['file'][:-1-len(x['type'])])
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else:
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saveas = x['path'][:-1-len(x['type'])]
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322 |
if style == 3:
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323 |
if not os.path.isdir(saveas):
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try:
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os.mkdir(saveas)
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326 |
except:
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327 |
raise OSError("couldn't create directory for "+x['path']
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328 |
+" ("+saveas+")")
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329 |
if not isdir:
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saveas = os.path.join(saveas, name)
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else:
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332 |
if saveas:
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333 |
saveas = os.path.join(saveas, name)
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else:
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335 |
saveas = os.path.join(os.path.split(x['path'])[0], name)
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336 |
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337 |
if isdir and not os.path.isdir(saveas):
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338 |
try:
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339 |
os.mkdir(saveas)
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340 |
except:
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341 |
raise OSError("couldn't create directory for "+x['path']
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342 |
+" ("+saveas+")")
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return saveas
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344 |
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346 |
def hashchecksched(self, hash = None):
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347 |
if hash:
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self.hashcheck_queue.append(hash)
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349 |
if not self.hashcheck_current:
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350 |
self._hashcheck_start()
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351 |
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352 |
def _hashcheck_start(self):
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353 |
self.hashcheck_current = self.hashcheck_queue.pop(0)
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self.downloads[self.hashcheck_current].hashcheck_start(self.hashcheck_callback)
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355 |
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356 |
def hashcheck_callback(self):
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357 |
self.downloads[self.hashcheck_current].hashcheck_callback()
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358 |
if self.hashcheck_queue:
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359 |
self._hashcheck_start()
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360 |
else:
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361 |
self.hashcheck_current = None
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362 |
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363 |
def died(self, hash):
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364 |
if self.torrent_cache.has_key(hash):
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365 |
self.Output.message('DIED: "'+self.torrent_cache[hash]['path']+'"')
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366 |
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367 |
def was_stopped(self, hash):
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368 |
try:
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369 |
self.hashcheck_queue.remove(hash)
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370 |
except:
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371 |
pass
|
|
|
372 |
if self.hashcheck_current == hash:
|
|
|
373 |
self.hashcheck_current = None
|
|
|
374 |
if self.hashcheck_queue:
|
|
|
375 |
self._hashcheck_start()
|
|
|
376 |
|
|
|
377 |
def failed(self, s):
|
|
|
378 |
self.Output.message('FAILURE: '+s)
|
|
|
379 |
|
|
|
380 |
def exchandler(self, s):
|
|
|
381 |
self.Output.exception(s)
|