apiIntro1.py

"""
Maya Python API 1.0
"""

import sys
import maya.OpenMayaMPx as mpx
import maya.OpenMaya as om

pluginName = 'pyTemplate'
sampleShortFlagName = '-s'
sampleLongFlagName = '-sample'

class PyTemplate(mpx.MPxCommand):
    def __init__(self):
        mpx.MPxCommand.__init__(self)

    def doIt(self, args):
        print 'doIt'
        self.parseArgument(args)
        self.redoIt()

    def redoIt(self):
    	# this is optional
        print 'redoIt'

    def undoIt(self):
        # this is also optional
        print 'undoIt'

    def parseArgument(self, args):
        argData = om.MArgParser(self.syntax(), args)

        if argData.isFlagSet(sampleShortFlag):
            self.sample = argData.flagArgumentDouble(sampleShortFlag, 0)
            print self.sample

    def isUndoable(self):
    	# this is required when undo and redo is available
        return True

def cmdCreator():
    return mpx.asMPxPtr(PyParticle())

def syntaxCreator():
	# use this only when custom argument is defined
    syntax = om.MSyntax()
    syntax.addFlag(sampleShortName, sampleLongName, om.MSyntax.kDouble)
    return syntax

def initializePlugin(mobject):
    mplugin = mpx.MFnPlugin(mobject)
    try:
        mplugin.registerCommand(pluginName, cmdCreator, syntaxCreator)
    except:
        sys.stderr.write('fail to register: ' + pluginName)
        raise

def uninitializePlugin(mobject):
    mplugin = mpx.MFnPlugin(mobject)
    try:
        mplugin.deregisterCommand(pluginName)
    except:
        sys.stderr.write('fail to de-register: ' + pluginName)
        raise

apiIntro2.py

"""
Maya Python API 2.0
"""

import sys
import maya.OpenMaya as om

pluginName = 'pyTemplate'
sampleShortFlagName = '-s'
sampleLongFlagName = '-sample'

def maya_useNewAPI():
    pass

class PyTemplate(mpx.MPxCommand):
    def __init__(self):
        mpx.MPxCommand.__init__(self)

    def doIt(self, args):
        print 'doIt'
        self.parseArgument(args)

    def parseArgument(self, args):
        argData = om.MArgParser(self.syntax(), args)

        if argData.isFlagSet(sampleShortFlag):
            self.sample = argData.flagArgumentDouble(sampleShortFlag, 0)
            print self.sample

def cmdCreator():
    return PyTemplate()

def syntaxCreator():
    syntax = om.MSyntax()
    syntax.addFlag(sampleShortName, sampleLongName, om.MSyntax.kDouble)
    return syntax

def initializePlugin(mobject):
    mplugin = mpx.MFnPlugin(mobject)
    try:
        mplugin.registerCommand(pluginName, cmdCreator, syntaxCreator)
    except:
        sys.stderr.write('fail to register: ' + pluginName)
        raise

def uninitializePlugin(mobject):
    mplugin = mpx.MFnPlugin(mobject)
    try:
        mplugin.deregisterCommand(pluginName)
    except:
        sys.stderr.write('fail to de-register: ' + pluginName)
        raise