MEL and Python Scripting References

Main Maya python commands

Cached Playback turn off - cmds.evaluator(name = "cache", enable = 0)

Most useful

• cmds.select()
• cmds.ls()
• cmds.setAttr()
• cmds.getAttr()
• cmds.matchTransform()
• cmds.parent()
• cmds.duplicate()
• cmds.rename()
• cmds.delete()
• cmds.objExists()
• cmds.evalDeferred() - Running a command at the next safe moment, such as closing a window or deleting a pressed button.

Connections

• cmds.listConnections()
• cmds.connectAttr()
• cmds.disconnectAttr()

Constraints

• cmds.parentConstraint()
• cmds.aimConstraint()

Keys

• cmds.animLayer()
• cmds.bakeResults()
• cmds.setKeyframe()
• cmds.copyKey()
• cmds.pasteKey()
• cmds.cutKey()
• cmds.setInfinity()

Create objects

• cmds.spaceLocator()
• cmds.nParticle()
• cmds.goal()

Other

• cmds.pickWalk() - selection up/down/left/right in hierarchy
• cmds.playbackOptions()
• cmds.currentTime() - current slider position
• cmds.channelBox()

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Window

• cmds.window()
• cmds.windowPref()
• cmds.showWindow()
• cmds.confirmDialog() - pop-up confirmation window
• cmds.progressBar() - window with progress bar in percentage
• cmds.deleteUI - removing a window
• mel.eval() - mel command conversion

Controllers

• cmds.button()
• cmds.floatSliderGrp()
• cmds.checkBox()
• cmds.radioCollection()
• cmds.radioButton()
• cmds.intField()
• cmds.separator()
• cmds.text()

Layouts

• cmds.columnLayout()
• cmds.rowColumnLayout()
• cmds.frameLayout()
• cmds.flowLayout()
• cmds.gridLayout()

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Documentations

• Maya 2019 MEL documentation
• Maya 2019 Python documentation
• Python 3.7.4rc1 documentation