Fails to start if bzr can't load all plugins

Andrew Starr-Bochicchio пишет:
> Public bug reported:
>
> I recently upgraded this machine to bzr 2.1.0~rc2, and bzr-explorer
> fails to start since some of my plugins are out-dated and fail to load.

No, the real problem is that some bzrlib module around.

> andrew@andrew-laptop:~/Desktop$ bzr explorer
> Unable to load plugin 'svn'. It requested API version (2, 0, 0) of module <module 'bzrlib' from '/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum exported version is (2, 1, 0), and the maximum is (2, 1, 0)
> Unable to load plugin 'git'. It requested API version (1, 18, 0) of module <module 'bzrlib' from '/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum exported version is (2, 1, 0), and the maximum is (2, 1, 0)
> Unable to load plugin 'gtk'. It requested API version (1, 17, 0) of module <module 'bzrlib' from '/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum exported version is (2, 1, 0), and the maximum is (2, 1, 0)
> Unable to load plugin 'rebase'. It requested API version (1, 17, 0) of module <module 'bzrlib' from '/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum exported version is (2, 1, 0), and the maximum is (2, 1, 0)

Unable to load plugin is harmless.

> bzr: ERROR: The API for "<module 'bzrlib' from '/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'>" is not compatible with "(1, 17, 0)". It supports versions "(2, 1, 0)" to "(2, 1, 0)".

This is real problem. Can you check your bzr script? Does it upgraded correctly?

Also please provides us traceback for this command from .bzr.log.

>> bzr: ERROR: The API for "<module 'bzrlib' from '/usr/lib/python2.6
> /dist-packages/bzrlib/__init__.pyc'>" is not compatible with "(1, 17,
> 0)". It supports versions "(2, 1, 0)" to "(2, 1, 0)".
>
> This is real problem. Can you check your bzr script? Does it upgraded
> correctly?

_script_version = (2, 1, 0)

>
> Also please provides us traceback for this command from .bzr.log.

Attached

Ahh.. I see. In explorer/lib/app_suite.py we have:

try:
    import bzrlib.plugins.gtk
    app_suite_registry.register("gtk", ApplicationSuite("gtk",
        _GTK_STATELESS_MAPPING, _GTK_LOCAL_MAPPING, _GTK_REMOTE_MAPPING,
        fallbacks=['qbzr']),
        help="Applets from the bzr-gtk plugin")
except ImportError:
    pass

and in qbzr/lib/log.py we have:

try:
    from bzrlib.plugins.svn.repository import SvnRepository
    has_svn = True
except ImportError:
    has_svn = False

These will both cause explorer not to start as there is no
ImportError, but the plugins still can't be used.

Log with the qbzr traceback

Andrew Starr-Bochicchio пишет:
> Ahh.. I see. In explorer/lib/app_suite.py we have:
>
> try:
> import bzrlib.plugins.gtk
> app_suite_registry.register("gtk", ApplicationSuite("gtk",
> _GTK_STATELESS_MAPPING, _GTK_LOCAL_MAPPING, _GTK_REMOTE_MAPPING,
> fallbacks=['qbzr']),
> help="Applets from the bzr-gtk plugin")
> except ImportError:
> pass
>
> and in qbzr/lib/log.py we have:
>
> try:
> from bzrlib.plugins.svn.repository import SvnRepository
> has_svn = True
> except ImportError:
> has_svn = False
>
>
> These will both cause explorer not to start as there is no
> ImportError, but the plugins still can't be used.

Sorry, but you're wrong. Both this construct will catch ImportError and
don't block Explorer. The messages you see:

Unable to load plugin 'svn'. It requested API version (2, 0, 0) of
module <module 'bzrlib' from
'/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum
exported version is (2, 1, 0), and the maximum is (2, 1, 0)
Unable to load plugin 'git'. It requested API version (1, 18, 0) of
module <module 'bzrlib' from
'/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum
exported version is (2, 1, 0), and the maximum is (2, 1, 0)
Unable to load plugin 'gtk'. It requested API version (1, 17, 0) of
module <module 'bzrlib' from
'/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum
exported version is (2, 1, 0), and the maximum is (2, 1, 0)
Unable to load plugin 'rebase'. It requested API version (1, 17, 0) of
module <module 'bzrlib' from
'/usr/lib/python2.6/dist-packages/bzrlib/__init__.pyc'> but the minimum
exported version is (2, 1, 0), and the maximum is (2, 1, 0)

is generated by bzr itself when it loads plugins at startup, even before
command "explorer" is started.

OK, I've looked to your .bzr.log and see now that your analysis about ImportError is correct.

We can fix this in explorer and qbzr, but it seems actually installation issue. Once you'll have other plugins in correct versions this problem will gone.