#3366: WebApi.add_torrents(): deferred RPC failure results are not propagated
----------------------------+------------------------------------
Reporter: lalbornoz | Type: bug
Status: new | Priority: minor
Milestone: needs verified | Component: Web UI
Version: 2.0.3 | Keywords: add_torrents duplicate
----------------------------+------------------------------------
Failure results in response to deferred RPC requests issued by
'''!WebApi.add_torrents()''' are not propagated, culminating in an
exception leak:
{{{
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: 18:22:52 [ERROR
][deluge.ui.client :169 ] RPCError Message Received!
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
--------------------------------------------------------------------------------
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: RPCRequest:
core.add_torrent_file_async(tmplxdf2alp.torrent, b'[ ... ]
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
--------------------------------------------------------------------------------
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: Traceback (most recent call
last):
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: File "/usr/lib/python3
/dist-packages/deluge/core/rpcserver.py", line 326, in dispatch
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: ret =
self.factory.methods[method](*args, **kwargs)
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: File "/usr/lib/python3
/dist-packages/deluge/core/core.py", line 430, in add_torrent_file_async
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: save_state=save_state,
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: File "/usr/lib/python3
/dist-packages/deluge/core/torrentmanager.py", line 602, in add_async
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: torrent_info, magnet,
options, resume_data
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: File "/usr/lib/python3
/dist-packages/deluge/core/torrentmanager.py", line 446, in
_build_torrent_params
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: raise
AddTorrentError('Torrent already in session (%s).' % torrent_id)
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
deluge.error.AddTorrentError: Torrent already in session ([REDACTED]).
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: AddTorrentError: Torrent
already in session ([REDACTED]).
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
--------------------------------------------------------------------------------
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: 18:22:52 [ERROR
][deluge.ui.web.json_api :185 ] [Failure instance: Traceback: <class
'TypeError'>: Object of type 'Failure' is not JSON serializable
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:653:_runCallbacks
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:1117:_cbDeferred
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:459:callback
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:567:_startRunCallbacks
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: --- <exception caught here>
---
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:653:_runCallbacks
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/deluge/ui/web/json_api.py:179:_on_rpc_request_finished
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/deluge/ui/web/json_api.py:232:_send_response
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/__init__.py:231:dumps
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/encoder.py:199:encode
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/encoder.py:257:iterencode
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/encoder.py:180:default
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: ]
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: Unhandled error in Deferred:
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: 18:22:52 [CRITICAL][twisted
:154 ] Unhandled error in Deferred:
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: 18:22:52
[CRITICAL][deluge.log :93 ] twisted.internet.defer
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: [Failure instance:
Traceback: <class 'TypeError'>: Object of type 'Failure' is not JSON
serializable
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:653:_runCallbacks
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:1117:_cbDeferred
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:459:callback
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:567:_startRunCallbacks
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: --- <exception caught here>
---
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/twisted/internet/defer.py:653:_runCallbacks
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/deluge/ui/web/json_api.py:190:_on_rpc_request_failed
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: /usr/lib/python3/dist-
packages/deluge/ui/web/json_api.py:232:_send_response
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/__init__.py:231:dumps
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/encoder.py:199:encode
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/encoder.py:257:iterencode
Mar 20 18:22:52 [REDACTED] deluge-web[24012]:
/usr/lib/python3.6/json/encoder.py:180:default
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: ]
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: Unhandled error in Deferred:
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: 18:22:52 [CRITICAL][twisted
:154 ] Unhandled error in Deferred:
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: 18:22:52
[CRITICAL][deluge.log :93 ] twisted.internet.defer
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: [Failure instance: Traceback
(failure with no frames): <class 'deluge.error.AddTorrentError'>: Torrent
already in session ([REDACTED]).
Mar 20 18:22:52 [REDACTED] deluge-web[24012]: ]
}}}
The patch enclosed passes ''consumeErrors=True'' and
''fireOnOneErrback=True'' to the '''!DeferredList()''' constructor in
'''!WebApi.add_torrents()''' in order to ensure that the
'''!DeferredList()''' will both fire on failure and halt further
propagation past '''JSON._on_rpc_request_failed()'''.
--
Ticket URL: <https://dev.deluge-torrent.org/ticket/3366>
Deluge <https://deluge-torrent.org/>
Deluge Project
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