pymel.core.generalΒΆ

Contains general node and attribute functions, as well as the main PyNode base class.

For the rest of the class hierarchy, including DependNode, Transform, and Attribute, see pymel.core.nodetypes.

Functions

about This command displays version information about the application if it is executed without flags.
addAttr This command is used to add a dynamic attribute to a node or nodes.
affectedNet This command gets the list of attributes on a node or node type and creates nodes of type TdnAffect, one for each
affects This command gets the list of attributes on a node or node type that are affected by the named attribute.
aliasAttr Allows aliases (alternate names) to be defined for any attribute of a specified node.
align Align or spread objects along X Y and Z axis.
artAttrTool The artAttrTool command manages the list of tool types which are used for attribute painting. This command
assignCommand This command allows the user to assign hotkeys and manipulate the internal array of named command objects.
attributeInfo This command lists all of the attributes that are marked with certain flags.
attributeName This command takes one node.attribute-style specifier on the command line and returns either the attribute’s long, short, or nice name.
attributeQuery attributeQuery returns information about the configuration of an attribute. It handles both boolean flags, returning
bakePartialHistory This command is used to bake sections of the construction history of a shape node when possible.
color This command sets the dormant wireframe color of the specified objects to be their class color or if the -ud/userDefined
colorIndex The index specifies a color index in the color palette.
commandEcho This command controls what is echoed to the command window.
commandPort Opens or closes the Maya command port. The command port comprises a socket to which a client program may connect. An
condition This command creates a new named condition object whose true/false value is calculated by running a mel script.
connectAttr Connect the attributes of two dependency nodes and return the names of the two connected attributes.
connectionInfo The connectionInfocommand is used to get information about connection sources and destinations. Unlike the isConnected
container This command can be used to create and query container nodes.
containerBind This is an accessory command to the container command which is used for some automated binding operations on the container.
containerProxy Creates a new container with the same published interface, dynamic attributes and attribute values as the specified container but with fewer container members.
containerPublish This is an accessory command to the container command which is used for some advanced publishing operations on the container.
containerTemplate A container template is a description of a container’s published interface.
containerView A container view defines the layout information for the published attributes of a particular container.
contextInfo This command allows you to get information on named contexts.
copyAttr Given two nodes, transfer the connections and/or the values from the first node to the second for all attributes whose names and data types match.
createDisplayLayer Create a new display layer.
createNode This command creates a new node in the dependency graph of the specified type.
currentUnit This command allows you to change the units in which you will work in Maya. There are three types of units: linear,
cycleCheck This command searches for plug cycles in the dependency graph.
delete This command is used to delete selected objects, or all objects, or objects specified along with the command.
deleteAttr This command is used to delete a dynamic attribute from a node or nodes.
disconnectAttr Disconnects two connected attributes.
displayAffected Turns on/off the special coloring of objects that are affected by the objects that are currently in the selection list.
displayColor This command changes or queries the display color for anything in the application that allows the user to set its color.
displayCull This command is responsible for setting the display culling property of back faces of surfaces.
displayLevelOfDetail This command is responsible for setting the display level-of-detail for edit refreshes.
displayPref This command sets/queries the state of global display parameters.
displayRGBColor This command changes or queries the display color for anything in the application that allows the user to set its color.
displaySmoothness This command is responsible for setting the display smoothness of NURBS curves and surfaces to either predefined or
displayStats Flags:
displaySurface This command toggles display options on the specified or active surfaces.
distanceDimension This command is used to create a distance dimension to display the distance between two specified points.
duplicate This command duplicates the given objects.
editDisplayLayerGlobals Edit the parameter values common to all display layers.
editDisplayLayerMembers This command is used to query and edit membership of display layers.
encodeString This action will take a string and encode any character that would need to be escaped before being sent to some other command.
evalDeferred This command takes the string it is given and evaluates it during the next available idle time.
exactWorldBoundingBox This command figures out an exact-fit bounding box for the specified objects (or selected objects if none are specified)
format This command takes a format string, where the format string contains format specifiers.
getAttr This command returns the value of the named object’s attribute.
getClassification Returns the classification string for a given node type.
group This command groups the specified objects under a new group and returns the name of the new group.
hasAttr convenience function for determining if an object has an attribute.
hide The hidecommand is used to make objects invisible.
hilite Hilites/Unhilites the specifed object(s). Hiliting an object makes it possible to select the components of the object.
inheritTransform This command toggles the inherit state of an object.
instance Instancing is a way of making the same object appear twice in the scene.
instanceable Flags one or more DAG nodes so that they can (or cannot) be instanced. This command sets an internal state on the
instancer This command is used to create a instancer node and set the proper attributes in the node.
isConnected The isConnectedcommand is used to check if two plugs are connected in the dependency graph. The return value is falseif
isDirty The isDirtycommand is used to check if a plug is dirty. The return value is 0 if it is not and 1 if it is. If more
isTrue This commmand returns the state of the named condition.
isolateSelect This command turns on/off isolate select mode in a specified modeling view, specified as the argument.
itemFilter This command creates a named itemFilter object. This object can be attached to selectionConnection objects, or to
itemFilterAttr This command creates a named itemFilterAttr object. This object can be attached to editors, in order to filter the
itemFilterRender This command creates a named renderTypeFilter object. This object can be attached to selectionConnection objects, or to
itemFilterType This command queries a named itemFilter object. This object can be attached to selectionConnection objects, or to
license This command displays version information about the application if it is executed without flags.
listAttr This command lists the attributes of a node.
listConnections This command returns a list of all attributes/objects of a specified type that are connected to the given object(s).
listFuture Modifications:
listHistory This command traverses backwards or forwards in the graph from the specified node and returns all of the nodes whose construction history it passes through.
listNodeTypes Lists dependency node types satisfying a specified classification string.
listRelatives This command lists parents and children of DAG objects. The flags -c/children, -ad/allDescendents, -s/shapes, -p/parent
listSets The listSets command is used to get a list of all the sets an object belongs to. To get sets of a specific type for an
listTransforms Modifications:
lockNode Locks or unlocks one or more dependency nodes.
ls The lscommand returns the names (and optionally the type names) of objects in the scene.
makeIdentity The makeIdentity command is a quick way to reset the selected transform and all of its children down to the shape level
makeLive This commmand makes an object live.
makePaintable Make attributes of nodes paintable to Attribute Paint Tool. This command is used to register new attributes to the
move The move command is used to change the positions of geometric objects.
nodeCast Given two nodes, a source node of type A and a target node of type B, where type A is either type B or a sub-type of B,
nodeType This command returns a string which identifies the given node’s type.
objExists This command simply returns true or false depending on whether an object with the given name exists.
objectCenter This command returns the coordinates of the center of the bounding box of the specified object.
objectType This command returns the type of elements.
paramDimension This command is used to create a param dimension to display the parameter value of a curve/surface at a specified point on the curve/surface.
paramLocator The command creates a locator in the underworld of a NURBS curve or NURBS surface at the specified parameter value. If
parent This command parents (moves) objects under a new group, removes objects from an existing group, or adds/removes parents.
partition This command is used to create, query or add/remove sets to a partition.
pause Pause for a specified number of seconds for canned demos or for test scripts to allow user to view results.
performanceOptions Sets the global performance options for the application.
pickWalk The pickWalk command allows you to quickly change the selection list relative to the nodes that are currently selected.
pixelMove The pixelMove command moves objects by what appears as pixel units based on the current view. It takes two integer
refresh This command is used to force a redraw during script execution.
relationship This is primarily for use with file IO. Rather than write out the specific attributes/connections required to maintain a
removeMultiInstance Removes a particular instance of a multiElement. This is only useful for input attributes since outputs will get
rename Renames the given object to have the new name.
renameAttr Renames the given user-defined attribute to the name given in the string argument.
reorder This command reorders (moves) objects relative to their siblings.
reorderContainer This command reorders (moves) objects relative to their siblings in a container.
resetTool This command resets a tool back to its factory settings
rotate The rotate command is used to change the rotation of geometric objects.
saveToolSettings This command causes all the tools not on the shelf to save their settings as optionVars. This is called automatically
scale The scale command is used to change the sizes of geometric objects.
scaleComponents This is a limited version of the scale command.
select This command is used to put objects onto or off of the active list.
selectKey This command operates on a keyset.
selectMode The selectModecommand is used to change the selection mode. Object, component, root, leaf and template modes are
selectPref This command controls state variables used to selection UI behavior.
selectPriority The selectPrioritycommand is used to change the selection priority of particular types of objects that can be selected
selectType The selectTypecommand is used to change the set of allowable types of objects that can be selected when using the select
selected ls -sl
selectedNodes Flags:
selectionConnection This command creates a named selectionConnection object. This object is simply a shared selection list. It may be used
setAttr Sets the value of a dependency node attribute.
setToolTo This command switches control to the named context.
sets This command is used to create a set, query some state of a set, or perform operations to update the membership of a set.
shapeCompare Compares two shapes.
showHidden The showHiddencommand is used to make invisible objects visible. If no flags are specified, only the objects given to
snapMode The snapMode command is used to control snapping. It toggles the snapping modes in effect and sets information used for
softSelect This command allows you to change the soft modelling options.
spaceLocator The command creates a locator at the specified position in space.
stringArrayIntersector The stringArrayIntersector command creates and edits an object which is able to efficiently intersect large string
symmetricModelling This command allows you to change the symmetric modelling options.
threadCount This command sets the number of threads to be used by Maya in regions of code that are multithreaded. By default the
timeCode Use this command to query and set the time code information in the file
toggle The toggle command is used to toggle the display of various object features for objects which have these components.
toggleAxis Toggles the state of the display axis.
toolDropped This command builds and executes the commands necessary to recreate the specified tool button.
toolHasOptions This command queries a tool to see if it has options.
toolPropertyWindow End users should only call this command as 1.
transformCompare Compares two transforms passed as arguments.
transformLimits The transformLimits command allows us to set, edit, or query the limits of the transformation that can be applied to
ungroup This command ungroups the specified objects.
upAxis The upAxis command changes the world up direction. Current implementation provides only two choices of axis (the Y-axis
validComponentIndexType True if argObj is of a suitable type for specifying a component’s index.
xform This command can be used query/set any element in a transformation node.

Classes

Attribute
AttributeDefaults
Component Abstract base class for pymel components.
Component1D
Component1D64
Component1DFloat
Component2D
Component2DFloat
Component3D
ComponentArray
ComponentIndex Class used to specify a multi-dimensional component index.
ContinuousComponent Components whose dimensions are continuous.
DimensionedComponent Components for which having a __getitem__ of some sort makes sense
DiscreteComponent Components whose dimensions are discretely indexed.
HashableSlice
LatticePoint
MItComponent Abstract base class for pymel components that can be accessed via iterators.
MItComponent1D
MeshEdge
MeshFace
MeshUV
MeshVertex
MeshVertexFace
NurbsCurveCV
NurbsCurveEP
NurbsCurveKnot
NurbsCurveParameter
NurbsSurfaceCV
NurbsSurfaceEP
NurbsSurfaceFace
NurbsSurfaceIsoparm
NurbsSurfaceKnot
NurbsSurfaceRange
Pivot
ProxySlice slice([start,] stop[, step])
PyNode Abstract class that is base for all pymel nodes classes.
Scene The Scene class provides an attribute-based method for retrieving PyNode instances of
SubdEdge
SubdFace
SubdUV
SubdVertex

Exceptions

AmbiguityWarning
MayaAttributeError([node])
MayaComponentError([node])
MayaNodeError([node])
MayaObjectError([node])
MayaSubObjectError([node])

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