You can now register a .py file as an add-in from the tool manager using the Register Tool dialog. Note that when the add-in is run, a .mbx file will still be created next to it, which means that the location must be write-able.
You can now register a .py file as an add-in from the tool manager using the Register Tool dialog. Note that when the add-in is run, a .mbx file will still be created next to it, which means that the location must be write-able.