Doesn't start (bzr 1900): type object 'EventsCodes' has no attribute 'IN_MOVED_TO'

[David Wagner]

I downloaded the latest version in bzr (revision 1900) and tried to run it on my Fedora 10 x86_64 machine. It won't start. I get the following error message:

$ exaile --debug --eventdebug --safemode
INFO : Loading Exaile 0.2.99.2+... (xl.main)
INFO : Loading settings (xl.settings)
Traceback (most recent call last):
  File "/usr/local/lib/exaile/exaile.py", line 55, in <module>
    main()
  File "/usr/local/lib/exaile/exaile.py", line 52, in main
    exaile = main.Exaile()
  File "/usr/local/lib/exaile/xl/main.py", line 74, in __init__
    self.__init()
  File "/usr/local/lib/exaile/xl/main.py", line 93, in __init
    self.__show_splash()
  File "/usr/local/lib/exaile/xl/main.py", line 193, in __show_splash
    import xlgui
  File "/usr/local/lib/exaile/xlgui/__init__.py", line 21, in <module>
    from xlgui import guiutil, prefs, plugins, cover, commondialogs, devices, queue
  File "/usr/local/lib/exaile/xlgui/guiutil.py", line 19, in <module>
    from xl import xdg, track, playlist, common
  File "/usr/local/lib/exaile/xl/playlist.py", line 25, in <module>
    from xl import trackdb, event, xdg, track, collection, settings
  File "/usr/local/lib/exaile/xl/collection.py", line 322, in <module>
    EVENT_PROCESSOR = INotifyEventProcessor()
  File "/usr/local/lib/exaile/xl/collection.py", line 242, in __init__
    EventsCodes.IN_CREATE|EventsCodes.IN_DELETE|EventsCodes.IN_CLOSE_WRITE
AttributeError: type object 'EventsCodes' has no attribute 'IN_MOVED_TO'
Exception in thread Thread-2 (most likely raised during interpreter shutdown):
Traceback (most recent call last):
  File "/usr/lib64/python2.5/threading.py", line 486, in __bootstrap_inner
  File "/usr/lib64/python2.5/threading.py", line 664, in run
  File "/usr/lib64/python2.5/threading.py", line 353, in set
  File "/usr/lib64/python2.5/threading.py", line 268, in notifyAll
<type 'exceptions.TypeError'>: 'NoneType' object is not callable

Version 2.14 worked fine. This is the first I've tried version 3.x. The above error message is where I have completely deleted ~/.exaile and everything under it. I also tried launching exaile with a ~/.exaile directory populated by 2.14 (2.14 is known to work with that ~/.exaile directory); no joy either. Omitting "--safemode" or adding "--startgui" makes no difference: it still fails to start up and gives the above error message.

There was nothing under ~/.local/share/exaile, but I deleted the directory just in case; it didn't make a difference. (This was mentioned here: https://bugs.launchpad.net/exaile/+bug/296501)

I noticed another person reporting similar symptoms on one of the forums:
http://www.exaile.org/forum/viewtopic.php?f=4&t=590

When compiling bzr revision 1900, I got the following messages:

$ make
python -m compileall -q xl lib xlgui
Can't list lib
python -O -m compileall -q xl lib xlgui
Can't list lib
cd plugins && make && cd ..
make[1]: Entering directory `/home/daw/e/exaile03/plugins'
python -m compileall -q .
./mpris/__init__.py:35: SyntaxWarning: name '_MPRIS' is used prior to global declaration
  global _MPRIS
python -O -m compileall -q .
./mpris/__init__.py:35: SyntaxWarning: name '_MPRIS' is used prior to global declaration
  global _MPRIS
make[1]: Leaving directory `/home/daw/e/exaile03/plugins'
Ready to install...

If it's relevant, I have the following packages installed:

python-2.5.2-1.fc10.x86_64
notify-python-0.1.1-4.fc10.x86_64
python-inotify-0.8.6-1.git20090518.fc10.noarch
pyevent-0.3-3.fc10.x86_64
libnotify-0.4.4-12.fc10.x86_64
libevent-1.4.5-1.fc10.x86_64

[David Wagner (daw-bugzilla)]

If it's relevant, exaile 0.3.0a2 has the same behavior (it doesn't start, either, and it outputs the same error message).

[David Wagner (daw-bugzilla)]

Here's a crazy theory. Could this be a change in the inotify API? Some googling suggests that pyinotify (python-inotify) may have introduced a non-backwards-compatible change in its API.

See http://git.dbzteam.org/?p=pyinotify.git;a=blob;f=NEWS

* Incompatible changes with version 0.7.x
[...]
    * EventsCodes.IN_* replaced by IN_* (avalaible at the pyinotify's scope)

and https://bugs.launchpad.net/entertainer/+bug/246631 (e.g., comment from bighoffa and Greg Auger).

[Phil Schwartz (phil-schwartz)]

As a quick fix you can modify the exaile/xl/collection.py file. Replace the 5 occurrences of "EventCodes." with "pyinotify.", such that:

        self.mask = pyinotify.IN_MOVED_TO|pyinotify.IN_MOVED_FROM|\
            pyinotify.IN_CREATE|pyinotify.IN_DELETE|pyinotify.IN_CLOSE_WRITE

[reacocard (reacocard)]

Fixed in r1930

[David Wagner (daw-bugzilla)]

I can confirm that this is fixed, and that revision 1938 now works on Fedora 10 with

python-inotify-0.8.6-1.git20090518.fc10.noarch
notify-python-0.1.1-4.fc10.x86_64

Thanks for the fix, Phil & Aren!