Maya API plugin utilities
A quick example:
from pymel.api.plugins import Command
class testCmd(Command):
    def doIt(self, args):
        print "doIt..."
testCmd.register()
cmds.testCmd()
testCmd.deregister()
Functions
| initializePlugin | do not call directly | 
| uninitializePlugin | do not call directly | 
Classes
| Command | create a subclass of this with a doIt method |