It is documented that way here:
https://leoeditor.com/scripting-miscellany.html#invoking-commands-from-scripts
So maybe things have changed...
On Wednesday, December 22, 2021 at 8:25:54 PM UTC [email protected] wrote:
> Did this work in the past? The call signature doesn't match your usage.
> Here is the signature of *doCommand*, from PyLeoRef -
>
> def doCommand(self, command_func, command_name, event):
>
> You could just call c.copyOutline() directly, without invoking
> c.doCommand().
> On Tuesday, December 21, 2021 at 9:14:41 PM UTC-5 Phil wrote:
>
>> In an @button node I have the following text:
>> c.doCommand(c.copyOutline, label='Copy Node')
>>
>> When I click the button, I get the error below:
>>
>> exception executing script
>> TypeError: doCommand() got an unexpected keyword argument 'label'
>>
>> --------------------
>> line 2: #@+node:phil.20200202134614.6: * @button Copy Node
>> * line 3: c.doCommand(c.copyOutline, label='Copy Node')
>> line 4: #@-leo
>> line 5:
>>
>> I am running this:
>>
>> Leo 6.6b2-devel, devel branch, build f85969ae8c
>> 2021-12-21 06:16:01 -0600
>> Python 3.7.3, PyQt version 5.12.4
>> linux
>>
>>
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