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PyFile.py
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285 lines (224 loc) · 8.09 KB
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#!/usr/bin/env python
"""
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
@author: RaNaN
@author: mkaay
"""
from module.PullEvents import UpdateEvent
from module.utils import formatSize, lock
from time import sleep, time
from threading import RLock
statusMap = {
"finished": 0,
"offline": 1,
"online": 2,
"queued": 3,
"skipped": 4,
"waiting": 5,
"temp. offline": 6,
"starting": 7,
"failed": 8,
"aborted": 9,
"decrypting": 10,
"custom": 11,
"downloading": 12,
"processing": 13,
"unknown": 14,
}
def setSize(self, value):
self._size = int(value)
class PyFile(object):
"""
Represents a file object at runtime
"""
__slots__ = ("m", "id", "url", "name", "size", "_size", "status", "pluginname", "packageid",
"error", "order", "lock", "plugin", "waitUntil", "active", "abort", "statusname",
"reconnected", "progress", "maxprogress", "pluginmodule", "pluginclass")
def __init__(self, manager, id, url, name, size, status, error, pluginname, package, order):
self.m = manager
self.id = int(id)
self.url = url
self.name = name
self.size = size
self.status = status
self.pluginname = pluginname
self.packageid = package #should not be used, use package() instead
self.error = error
self.order = order
# database information ends here
self.lock = RLock()
self.plugin = None
#self.download = None
self.waitUntil = 0 # time() + time to wait
# status attributes
self.active = False #obsolete?
self.abort = False
self.reconnected = False
self.statusname = None
self.progress = 0
self.maxprogress = 100
self.m.cache[int(id)] = self
# will convert all sizes to ints
size = property(lambda self: self._size, setSize)
def __repr__(self):
return "PyFile %s: %s@%s" % (self.id, self.name, self.pluginname)
@lock
def initPlugin(self):
""" inits plugin instance """
if not self.plugin:
self.pluginmodule = self.m.core.pluginManager.getPlugin(self.pluginname)
self.pluginclass = getattr(self.pluginmodule, self.m.core.pluginManager.getPluginName(self.pluginname))
self.plugin = self.pluginclass(self)
@lock
def hasPlugin(self):
"""Thread safe way to determine this file has initialized plugin attribute
:return:
"""
return hasattr(self, "plugin") and self.plugin
def package(self):
""" return package instance"""
return self.m.getPackage(self.packageid)
def setStatus(self, status):
self.status = statusMap[status]
self.sync() #@TODO needed aslong no better job approving exists
def setCustomStatus(self, msg, status="processing"):
self.statusname = msg
self.setStatus(status)
def getStatusName(self):
if self.status not in (13, 14) or not self.statusname:
return self.m.statusMsg[self.status]
else:
return self.statusname
def hasStatus(self, status):
return statusMap[status] == self.status
def sync(self):
"""sync PyFile instance with database"""
self.m.updateLink(self)
@lock
def release(self):
"""sync and remove from cache"""
# file has valid package
if self.packageid > 0:
self.sync()
if hasattr(self, "plugin") and self.plugin:
self.plugin.clean()
del self.plugin
self.m.releaseLink(self.id)
def delete(self):
"""delete pyfile from database"""
self.m.deleteLink(self.id)
def toDict(self):
"""return dict with all information for interface"""
return self.toDbDict()
def toDbDict(self):
"""return data as dict for databse
format:
{
id: {'url': url, 'name': name ... }
}
"""
return {
self.id: {
'id': self.id,
'url': self.url,
'name': self.name,
'plugin': self.pluginname,
'size': self.getSize(),
'format_size': self.formatSize(),
'status': self.status,
'statusmsg': self.getStatusName(),
'package': self.packageid,
'error': self.error,
'order': self.order
}
}
def abortDownload(self):
"""abort pyfile if possible"""
while self.id in self.m.core.threadManager.processingIds():
self.abort = True
if self.plugin and self.plugin.req:
self.plugin.req.abortDownloads()
sleep(0.1)
self.abort = False
if self.hasPlugin() and self.plugin.req:
self.plugin.req.abortDownloads()
self.release()
def finishIfDone(self):
"""set status to finish and release file if every thread is finished with it"""
if self.id in self.m.core.threadManager.processingIds():
return False
self.setStatus("finished")
self.release()
self.m.checkAllLinksFinished()
return True
def checkIfProcessed(self):
self.m.checkAllLinksProcessed(self.id)
def formatWait(self):
""" formats and return wait time in humanreadable format """
seconds = self.waitUntil - time()
if seconds < 0: return "00:00:00"
hours, seconds = divmod(seconds, 3600)
minutes, seconds = divmod(seconds, 60)
return "%.2i:%.2i:%.2i" % (hours, minutes, seconds)
def formatSize(self):
""" formats size to readable format """
return formatSize(self.getSize())
def formatETA(self):
""" formats eta to readable format """
seconds = self.getETA()
if seconds < 0: return "00:00:00"
hours, seconds = divmod(seconds, 3600)
minutes, seconds = divmod(seconds, 60)
return "%.2i:%.2i:%.2i" % (hours, minutes, seconds)
def getSpeed(self):
""" calculates speed """
try:
return self.plugin.req.speed
except:
return 0
def getETA(self):
""" gets established time of arrival"""
try:
return self.getBytesLeft() / self.getSpeed()
except:
return 0
def getBytesLeft(self):
""" gets bytes left """
try:
return self.plugin.req.size - self.plugin.req.arrived
except:
return 0
def getPercent(self):
""" get % of download """
if self.status == 12:
try:
return self.plugin.req.percent
except:
return 0
else:
return self.progress
def getSize(self):
""" get size of download """
try:
if self.plugin.req.size:
return self.plugin.req.size
else:
return self.size
except:
return self.size
def notifyChange(self):
e = UpdateEvent("file", self.id, "collector" if not self.package().queue else "queue")
self.m.core.pullManager.addEvent(e)
def setProgress(self, value):
if not value == self.progress:
self.progress = value
self.notifyChange()