How to define "exec" method on a class object? Get syntax error due to built in command

Ethan Furman ethan at stoneleaf.us
Tue Mar 26 19:36:12 CET 2013


On 03/26/2013 11:13 AM, Kyle wrote:
> On Monday, March 25, 2013 4:28:34 PM UTC-4, Kyle wrote:
>> I am using swig to generate our CLI for TCL and Python. In this CLI, we have a subcommand "exec" that is failing to compile in the python case. There seems to be some built-in python command "exec" which is giving a syntax error in the .py file generated by swig when I try to import it:
>>
>>
>>
>>     def exec(*args): return _wbt_daemon.dm_cli_exec(*args)
>>
>>             ^
>>
>> SyntaxError: invalid syntax
>>
>>
>>
>> I don't really want to change the CLI commands or make them different between languages. Is there any way to define a method called "exec" on a class? It would be executed as obj.exec() so I don't see why it should conflict with the built in "exec" command.
>>
>>
>>
>> class dm_cli(_object):
>>
>>      __swig_setmethods__ = {}
>>
>>      __setattr__ = lambda self, name, value: _swig_setattr(self, dm_cli, name, value)
>>
>>      __swig_getmethods__ = {}
>>
>>      __getattr__ = lambda self, name: _swig_getattr(self, dm_cli, name)
>>
>>      def __init__(self): raise RuntimeError, "No constructor defined"
>>
>> ...
>>
>>      def exec(*args): return _wbt_daemon.dm_cli_exec(*args)
>>
>> ...
>>
>> }
>
> Thanks for the suggestion. Looks like we currently use 2.3.4.
>
> This still wouldn't solve the problem because now the user would need to call something like  getattr(wbt, "exec")(<args>) instead of wbt.exec(<args>) like all the other commands.
>
> I think the easiest thing for me to do would be to just change the command name from exec to something else.

Yeah, that's unfortunate.

I suggest 'execute'.  :)

--
~Ethan~



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