Forget the decorator!
I'm not sure what you try to accomplish.
Your publicCommands tables in Leo already associate command_names with
functions or methods, so you don't need a decorator for that. As you told
Terry (somewhere above) you need to retrieve the information if you need a
'self' argument or not (in other words: if you need to call a method or a
function). But for that you only need a simple test. Here is a solution:
# No-decorator solution
def pureFunction(event=None):
"""pureFunction docstring"""
print("-- function:", event)
class MyClass:
def instanceMethod(self, event=None):
"""instanceMethod docstring"""
print("** method:", event)
# You already have created these tables manually in Leo.
# So you don't need a decorator to do that.
publicCommands = {
'first-command': pureFunction,
'second-command': MyClass.instanceMethod,
}
# And so you only need to test
# if you need to call a method or a function.
# No need for a decorator either.
def tests():
for command in publicCommands:
func = publicCommands[command]
print(command, func, str(func))
if '.' in str(func):
print('Command <%s> is a method.' % command)
# Calling your method
func('self', 'anEvent')
else:
print('Command <%s> is a function.' % command)
# Calling your function
func("anEvent")
tests()
Decorators are not meant to be called as functions. They must appear directly
above function/method (or class) that is to be enhanced or modified. They are
not meant to modify functions/methods whose names are retrieved from elsewhere
(i.e. tables).
So if you wanted to apply decorators i.e. to your help-methods,
you would put the decorator immediately before the function definition:
@cmd('help-for-help')
def helpForHelp(self, ...):
return "Some Help"
This way, you don't have to manually construct (and maintain!) separate command
tables. If you still need such a dispatch table it could be created
automatically by the decorator.
Reinhard
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