hi,
i don't think the patch makes sense.
the real problem is that your command ends up with importing
two copies of switches module. you can avoid the problem by:
ryu-manager --verbose --observe-links ryu.topology.switches
YAMAMOTO Takashi
> Hi,
>
> I sent the patch: [Ryu-devel] [PATCH] Fix
> oslo.config.cfg.ArgsAlreadyParsedError. However, this patch is for
> master/HEAD.
> The patch for Ryu 2.2 is attached to this email. Please save the patch and
> execute the following commands for patching.
>
> ----------8<----------8<----------
> # patch -p0 `which ryu-manager` <
> 0001-Fix-oslo.config.cfg.ArgsAlreadyParsedError-for-ryu-2.patch
> ----------8<----------8<----------
>
> Thanks,
> Satoshi
>
> 2013/8/28 Satoshi Kobayashi <[email protected]>
>
>> Hi,
>>
>> I also noticed the same problem. The cause is to set up oslo.config before
>> loading app_lists in ryu-manager. I will send the patch to fix this problem.
>>
>> Thanks,
>> Satoshi
>>
>> 2013/8/27 Q Lady <[email protected]>
>>
>>> when i upgrade from 1.9 to 2.2, I cant use swithes.py
>>> I have delelte /usr/local/lib/python2.7/dist-packages/ryu
>>> /usr/local/lib/python2.7/dist-packages/ryu-1.8-egg-info
>>> /usr/local/lib/python2.7/dist-packages/ryu-1.9-egg-info
>>>
>>> then reinstall ryu 2.2 from the source ,then I get the following error
>>>
>>> How can I resolve it ?
>>> Thanks
>>>
>>> ryu-manager --verbose --observe-links ryu/topology/switches.py
>>> loading app ryu/topology/switches.py
>>> Traceback (most recent call last):
>>> File "/usr/local/bin/ryu-manager", line 90, in <module>
>>> main()
>>> File "/usr/local/bin/ryu-manager", line 68, in main
>>> app_mgr.load_apps(app_lists)
>>> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
>>> line 171, in load_apps
>>> cls = self.load_app(app_cls_name)
>>> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
>>> line 153, in load_app
>>> mod = utils.import_module(name)
>>> File "/usr/local/lib/python2.7/dist-packages/ryu/utils.py", line 50, in
>>> import_module
>>> __import__(name)
>>> File "/home/holyn/ryu/ryu/topology/switches.py", line 52, in <module>
>>> help='link discovery: explicitly drop lldp packet in')
>>> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
>>> 1125, in __inner
>>> return f(self, *args, **kwargs)
>>> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
>>> 1279, in register_cli_opts
>>> self.register_cli_opt(opt, group, clear_cache=False)
>>> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
>>> 1125, in __inner
>>> return f(self, *args, **kwargs)
>>> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
>>> 1271, in register_cli_opt
>>> raise ArgsAlreadyParsedError("cannot register CLI option")
>>> oslo.config.cfg.ArgsAlreadyParsedError: arguments already parsed: cannot
>>> register CLI option
>>>
>>>
>>>
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>>>
>>
>>
>> --
>> Satoshi Kobayashi <[email protected]>
>>
>
>
>
> --
> Satoshi Kobayashi <[email protected]>
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