python - 找不到记录器 "deluge"的处理程序

Question

我有一个用于删除超过 3 天的种子的 cronjob 的 python 脚本。如果我从终端运行这个脚本，它就可以工作，但是 crontab 给我这个错误 No handlers could be found for logger "deluge"。谁能告诉我如何解决这个问题？

这是 python 脚本:

    #!/usr/bin/python

    from deluge.log import LOG as log
    from deluge.ui.client import client
    import deluge.component as component
    from twisted.internet import reactor, defer
    import time

    ############
    cliconnect = client.connect(host='127.0.0.1',port=58846)
    seeddir = "/home/mou/CPDownloads" # Directory to ignore for torrents to remain seeding
    timedifference = 3 # Remove torrents older than this this time (in days)
    is_interactive = False # Set this to True to allow direct output or set to False for cron
    do_remove_data = True # Set to True to delete torrent data as well, false to leave it
    ###############

    oldcount = 0
    skipcount = 0
    seedcount = 0
    errorcount = 0
    torrent_ids = []

    def printSuccess(dresult, is_success, smsg):
        global is_interactive
        if is_interactive:
            if is_success:
                print "[+]", smsg
            else:
                print "[i]", smsg

    def printError(emsg):
        global is_interactive
        if is_interactive:
            print "[e]", emsg

    def endSession(esresult):
        if esresult:
            print esresult
            reactor.stop()
        else:
            client.disconnect()
            printSuccess(None, False, "Client disconnected.")
            reactor.stop()

    def printReport(rresult):
        if errorcount > 0:
            printError(None, "Failed! Number of errors: %i" % (errorcount))
        else:
            if oldcount > 0:
                printSuccess(None, True, "Removed %i torrents -- Skipped %i torrents -- Seeding %i torrents" % (oldcount, skipcount, seedcount))
            else:
                printSuccess(None, True, "No old torrents! -- Skipped %i torrents -- Seeding %i torrents" % (skipcount, seedcount))
        endSession(None)

    def on_torrents_status(torrents):
        global filtertime
        tlist=[]
        for torrent_id, status in torrents.items():
            if status["save_path"] == seeddir:
                global seedcount
                seedcount += 1
            else:
                unixtime = "%s" % (status["time_added"])
                numunixtime = int(unixtime[:-2])
                humantime = time.ctime(numunixtime)
                if numunixtime < filtertime:
                    global do_remove_data
                    global oldcount
                    oldcount += 1
                    successmsg = " Removed %s:  %s from %s" % (humantime, status["name"], status["save_path"])
            errormsg = "Error removing %s" % (status["name"])
            tlist.append(client.core.remove_torrent(torrent_id, do_remove_data).addCallbacks(printSuccess, printError, callbackArgs = (True, successmsg), errbackArgs = (errormsg)))
                else:
                    global skipcount
                    skipcount += 1
                    printSuccess(None, False, " Skipping %s: %s from %s" % (humantime, status["name"], status["save_path"]))
        defer.DeferredList(tlist).addCallback(printReport)

    def on_session_state(result):
        client.core.get_torrents_status({"id": result}, ["name","time_added","save_path",]).addCallback(on_torrents_status)

    def on_connect_success(result):
        printSuccess(None, True, "Connection was successful!")
        global timedifference
        global filtertime
        curtime = time.time()
        filtertime = curtime - (timedifference * 24 * 60 * 60)
        printSuccess(None, False, "Current unix time is %i" % (curtime))
        printSuccess(None, False, "Filtering torrents older than %s" % (time.ctime(int(filtertime))))
        client.core.get_session_state().addCallback(on_session_state)

    cliconnect.addCallbacks(on_connect_success, endSession, errbackArgs=("Connection failed: check settings and try again."))

    reactor.run()

这是我从终端运行它时的输出:

    mou@mou-lanister:~/scripts$ ./cpmanagertest.py 
    [+] Connection was successful!
    [i] Current unix time is 1404169193
    [i] Filtering torrents older than Sun Jun 29 18:59:53 2014
    [i]  Skipping Mon Jun 30 03:57:52 2014: War.Horse.2011.1080p.MKV.x264.AC3.DTS.NL.Subs from /home/mou/CPDownloads/
    [i]  Skipping Mon Jun 30 04:00:00 2014: The Legend Of Hercules 2014 1080p BluRay DTS x264 PublicHD from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 16:52:16 2014:  Paranormal.Activity.The.Marked.Ones.2014.EXTENDED.1080p.BluRay.x264-SPARKS [PublicHD] from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 17:07:12 2014:  The.Hobbit.The.Desolation.Of.Smaug.2013.1080p.BluRay.DTS.x264-PublicHD from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 17:22:08 2014:  thor the dark world 2013 1080p bluray x264 sparks publichd from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 16:24:32 2014:  The.Conjuring.2013.1080p.BluRay.x264-ALLiANCE [PublicHD] from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 17:00:48 2014:  Her.2013.1080p.BluRay.x264-SPARKS [PublicHD] from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 17:20:00 2014:  Rush 2013 1080p 60fps BluRay x264-zologne from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 17:22:08 2014:  Escape.Plan.2013.1080p.BluRay.DTS-HD.MA.7.1.x264-PublicHD from /home/mou/CPDownloads/
    [+]  Removed Sun Jun 29 17:05:04 2014:  The.Fifth.Estate.2013.1080p.BluRay.x264-SPARKS [PublicHD] from /home/mou/CPDownloads/
    [+] Removed 8 torrents -- Skipped 2 torrents -- Seeding 0 torrents
    [i] Client disconnected.

这是 crontab 作业的日志:

找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序
找不到记录器“deluge”的处理程序

添加调试代码后出现以下错误:

DEBUG:deluge:ConfigManager started..
INFO:deluge:Connecting to daemon at 127.0.0.1:58846..
INFO:deluge:Connected to daemon at 127.0.0.1:58846..
ERROR:deluge:RPCError Message Received!
--------------------------------------------------------------------------------
RPCRequest: daemon.login(localclient, f4f86361c7b9443464d0078f8d7c012e2ed63ce9)
--------------------------------------------------------------------------------
  File "/usr/lib/python2.7/dist-packages/deluge/core/rpcserver.py", line 259, in dispatch
    ret = component.get("AuthManager").authorize(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/deluge/core/authmanager.py", line 93, in authorize
    raise BadLoginError("Password does not match")

BadLoginError: Password does not match
--------------------------------------------------------------------------------
DEBUG:deluge:_on_login_fail(): [Failure instance: Traceback (failure with no frames): <class 'deluge.ui.client.DelugeRPCError'>: <deluge.ui.client.DelugeRPCError object at 0x7f58263f6150>
]
DEBUG:deluge:on_connect_fail: [Failure instance: Traceback (failure with no frames): <class 'deluge.ui.client.DelugeRPCError'>: <deluge.ui.client.DelugeRPCError object at 0x7f58263f6150>
]
INFO:deluge:Connection lost to daemon at 127.0.0.1:58846 reason: Connection was closed cleanly.

Answer 1

啊，这是 warts of Python 之一.

添加这个来抑制消息:

import logging 
logging.getLogger('deluge').addHandler(logging.NullHandler())

或者将所有内容写入标准错误:

import logging, sys
logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)