Python maya.cmds.namespace() Examples

def setNamespace(self, namespace):
		# I am not re-using the name method on purpose.
		name = self._mObjName(self._nativeTransform, False)
		displayName = name.split(':')[-1]

		if not namespace:
			cmds.rename(self.path(), self.displayName())
		else:
			if not cmds.namespace(exists=namespace):
				cmds.namespace(add=namespace)
			cmds.rename(self.path(), ':'.join([namespace, displayName]))
		return True 

def _nativeModel(self):
		"""
			\remarks	looks up the native model for this object
			\sa			model, setModel, _setNativeModel
			\return		<variant> nativeObject || None
		"""
		parent = self.parent()
		while parent is not None:
			if isinstance(parent, api.SceneModel):
				return parent.nativePointer()

			parent = parent.parent()

		# namespace = self._namespace(self._nativePointer)['namespace']
		# if namespace:
		# 	return self._scene._findNativeObject(name=namespace)
		
		return None 

def shapeSizeSetup(self, transformNode, *args):
        """ Find shapes, create a cluster deformer to all and set the pivot to transform pivot.
            Returns the created cluster.
        """
        clusterHandle = None
        childShapeList = cmds.listRelatives(transformNode, shapes=True, children=True)
    #    print "Child length {0}".format(len(childShapeList))
        if childShapeList:
            thisNamespace = childShapeList[0].split(":")[0]
            cmds.namespace(set=thisNamespace, force=True)
            clusterName = transformNode.split(":")[1]+"_ShapeSizeCH"
            clusterHandle = cmds.cluster(childShapeList, name=clusterName)[1]
            cmds.setAttr(clusterHandle+".visibility", 0)
            cmds.xform(clusterHandle, scalePivot=(0, 0, 0), worldSpace=True)
            cmds.namespace(set=":")
        else:
            print "There are not children shape to create shapeSize setup of:", transformNode
        return clusterHandle 

def name(self, namespace=False):
        """Return the name of this node

        Arguments:
            namespace (bool, optional): Return with namespace,
                defaults to False

        Example:
            >>> node = createNode("transform", name="myName")
            >>> node.name()
            u'myName'

        """

        if namespace:
            return self._fn.name()
        else:
            return self._fn.name().rsplit(":", 1)[-1] 

def path(self):
        return self.name(namespace=True) 

def namespace(self):
		# I am not re-using the name method on purpose.
		name = self._mObjName(self._nativePointer, False)

		# Splitting the name to detect for name spaces.
		split = name.split(':')[0:]
		if len(split) > 1:
			return ':'.join(split[:-1])
		return '' 

def setDisplayName(self, name):
		""" Set the display name for this wrapper instance to the inputed 
		name - if not reimplemented, then it will set the object's actual 
		name to the inputed name
		"""
		cmds.rename(self.path(), ':'.join([self.namespace(), name])) 

def __str__(self):
        return self.name(namespace=True) 

def __repr__(self):
        return self.name(namespace=True) 

def namespace(self):
        """Get namespace of node

        Example:
            >>> _ = cmds.file(new=True, force=True)
            >>> node = createNode("transform", name="myNode")
            >>> node.namespace()
            u''
            >>> _ = cmds.namespace(add=":A")
            >>> _ = cmds.namespace(add=":A:B")
            >>> node = createNode("transform", name=":A:B:myNode")
            >>> node.namespace()
            u'A:B'

        """

        name = self._fn.name()

        if ":" in name:
            # Else it will return name as-is, as namespace
            # E.g. Ryan_:leftHand -> Ryan_, but :leftHand -> leftHand
            return name.rsplit(":", 1)[0]

        return type(name)()

    # Alias 

def delete_empty_namespaces(progress_controller=None):
    """Delete empty namespaces

    checks and deletes empty namespaces
    """
    if progress_controller is None:
        progress_controller = ProgressControllerBase()

    # only allow namespaces with DAG objects in it and no child namespaces
    empty_namespaces = []

    all_namespaces = mc.namespaceInfo(
        recurse=True,
        listOnlyNamespaces=True,
        internal=False
    ) or []

    progress_controller.maximum = len(all_namespaces)
    for ns in all_namespaces:
        if ns not in ['UI', 'shared']:
            child_namespaces = mc.namespaceInfo(ns, listNamespace=True)
            if not child_namespaces and len(
                    mc.ls(mc.namespaceInfo(ns, listOnlyDependencyNodes=True),
                          dag=True, mat=True)) == 0:
                empty_namespaces.append(ns)
        progress_controller.increment()

    for ns in empty_namespaces:
        mc.namespace(rm=ns, mnr=True)
    progress_controller.complete() 

def remove(self, members):
        mobj = _encode1(self.name(namespace=True))
        selectionList = om1.MSelectionList()

        if not isinstance(members, (tuple, list)):
            selectionList.add(members.path())

        else:
            for member in members:
                selectionList.add(member.path())

        fn = om1.MFnSet(mobj)
        fn.removeMembers(selectionList) 

def clear(self):
        """Remove all members from set"""
        mobj = _encode1(self.name(namespace=True))
        fn = om1.MFnSet(mobj)
        fn.clear() 

def members(self, type=None):
        op = operator.eq
        other = "typeId"

        if isinstance(type, string_types):
            other = "typeName"

        if isinstance(type, (tuple, list)):
            op = operator.contains

        for node in cmds.sets(self.name(namespace=True), query=True) or []:
            node = encode(node)

            if not type or op(type, getattr(node._fn, other)):
                yield node 

def decode(node):
    """Convert cmdx Node to shortest unique path

    This is the same as `node.shortestPath()`
    To get an absolute path, use `node.path()`

    """

    try:
        return node.shortestPath()
    except AttributeError:
        return node.name(namespace=True) 

def editCurve(parent, points, degree=1, form=kOpen):
    assert isinstance(parent, DagNode), (
        "parent must be of type cmdx.DagNode"
    )

    degree = min(3, max(1, degree))

    cvs = om1.MPointArray()
    curveFn = om1.MFnNurbsCurve()

    for point in points:
        cvs.append(om1.MPoint(*point))

    mobj = curveFn.createWithEditPoints(cvs,
                                        degree,
                                        form,
                                        False,
                                        False,
                                        True,
                                        _encode1(parent.path()))

    mod = om1.MDagModifier()
    mod.renameNode(mobj, parent.name(namespace=True) + "Shape")
    mod.doIt()

    def undo():
        mod.deleteNode(mobj)
        mod.doIt()

    def redo():
        mod.undoIt()

    commit(undo, redo)

    shapeFn = om1.MFnDagNode(mobj)
    return encode(shapeFn.fullPathName()) 

def remove(container):
    """Remove an existing `container` from Maya scene

    Deprecated; this functionality is replaced by `api.remove()`

    Arguments:
        container (avalon-core:container-1.0): Which container
            to remove from scene.

    """

    node = container["objectName"]

    # Assume asset has been referenced
    reference_node = next((node for node in cmds.sets(node, query=True)
                          if cmds.nodeType(node) == "reference"), None)

    assert reference_node, ("Imported container not supported; "
                            "container must be referenced.")

    log.info("Removing '%s' from Maya.." % container["name"])

    namespace = cmds.referenceQuery(reference_node, namespace=True)
    fname = cmds.referenceQuery(reference_node, filename=True)
    cmds.file(fname, removeReference=True)

    try:
        cmds.delete(node)
    except ValueError:
        # Already implicitly deleted by Maya upon removing reference
        pass

    try:
        # If container is not automatically cleaned up by May (issue #118)
        cmds.namespace(removeNamespace=namespace, deleteNamespaceContent=True)
    except RuntimeError:
        pass 

def _namespace(self, mObj):
		name = self._mObjName(mObj, False)
		return re.match(r'((?P<namespace>[^:]+):)?(?P<name>.+)', name).groupdict() 

def namespace(self):
		# I am not re-using the name method on purpose.
		name = self._mObjName(self._nativeTransform, False)

		# Splitting the name to detect for name spaces.
		split = name.split(':')[0:]
		if len(split) > 1:
			return ':'.join(split[:-1])
		return '' 

def _nativeObjects(self, getsFromSelection=False, wildcard='', objectType=0):
		""" Implements the AbstractScene._nativeObjects method to return the native objects from the scene
			:return: list [<Py3dsMax.mxs.Object> nativeObject, ..]
		"""
		expression = cross3d.application._wildcardToRegex(wildcard)
		regex = re.compile(expression, flags=re.I)

		if getsFromSelection:
			objects = self._selectionIter()
		else:
			# TODO MIKE: I had to support kCharacters aka key set cause they are part of what we export.
			# The problem is not the export because we don't have to select them since they are "dependant".
			# The issue is for when I try to re-apply the namespace after export.
			mType = cross3d.SceneObject._abstractToNativeObjectType.get(objectType, (om.MFn.kDagNode, om.MFn.kCharacter))
			objects = self._objectsOfMTypeIter(mType)

		if objectType != 0 or wildcard:

			container = []
			for obj in objects:
				typeCheck = True if not objectType else cross3d.SceneObject._typeOfNativeObject(obj) == objectType
				wildcardCheck = True if not wildcard else regex.match(cross3d.SceneObject._mObjName(obj, False))
				if typeCheck and wildcardCheck:
					container.append(obj)
			objects = container
		return objects 

def _createNativeModel(self, name='Model', nativeObjects=[], referenced=False):
		name = 'Model' if not name else name
		# Create a "model" namespace and add the locator to it
		# TODO: Make this a context
		currentNamespace = cmds.namespaceInfo(currentNamespace=True)
		namespace = cmds.namespace(addNamespace=name)
		cmds.namespace(setNamespace=namespace)
		# Create the transform node then the shape node so the transform is properly named
		parent = cmds.createNode('transform', name='Model')
		#name = cmds.createNode('locator', name='{}Shape'.format(name), parent=parent)
		output = cross3d.SceneWrapper._asMOBject(parent)
		userProps = cross3d.UserProps(output)
		userProps['model'] = True
		if referenced:
			userProps['referenced'] = referenced
			# Create the Active_Resolution enum if it doesn't exist
#			cmds.addAttr(name, longName="Active_Resolution", attributeType="enum", enumName="Offloaded:")
#			userProps['Resolutions'] = OrderedDict(Offloaded='')
		cmds.namespace(setNamespace=currentNamespace)

		# Add each of nativeObjects to the model namespace
		if nativeObjects:
			for nativeObject in nativeObjects:
				nativeObject = cross3d.SceneWrapper._getTransformNode(nativeObject)
				objName = cross3d.SceneWrapper._mObjName(nativeObject)
#				cmds.parent(objName, cross3d.SceneWrapper._mObjName(nativeParent))
				nameInfo = cross3d.SceneWrapper._namespace(nativeObject)
				newName = '{namespace}:{name}'.format(namespace=namespace, name=nameInfo['name'])
				cmds.rename(objName, newName)
		nativeObjects.append(output)
		return output 

def setDisplayName(self, name):
		name = name.replace('-', '_')
		# If the model using a namespace, rename the namespace not the object.
		namespace = self._namespace(self._nativeTransform)['namespace']
		if namespace:
			if namespace == name:
				# Renaming the model to its current name, nothing to do.
				return

			# TODO: pull the reference node from the namespace instead of storing it in a user prop
			# that way if a user swaps reference in the Reference Editor we won't loose track of it.
			filename = self.resolutionPath(self.resolution())

			if self.isReferenced() and filename:
				cmds.file(filename, edit=True, namespace=name, mergeNamespacesOnClash=True)
				# Doc's say cmds.file should move non-referenced nodes to the new namespace, but
				# in practice it doesn't. If the old namespace still exists, move all of its 
				# nodes into the new namespace and remove the old namespace
				if namespace in cmds.namespaceInfo(listOnlyNamespaces=True):
					cmds.namespace(moveNamespace=[namespace, name])
					cmds.namespace(removeNamespace=namespace)
			else:
				namespaces = cmds.namespaceInfo(listOnlyNamespaces=True)
				if name in namespaces:
					# If the namespace already exists we need to auto-increment the value or the
					# rename command will error out
					# reverse the name and pull off any trailing digits
					revName = re.match('(?P<revIter>\d*)(?P<name>.+)', name[::-1])
					if revName:
						n = revName.group('name')[::-1]
						v = int(revName.group('revIter')[::-1] or 1)
						while '{name}{revIter}'.format(name=n, revIter=v) in namespaces:
							v += 1
						name = '{name}{revIter}'.format(name=n, revIter=v)
					else:
						name = '{name}1'.format(name=name)
				cmds.namespace(rename=[namespace, name])
			return
		super(MayaSceneModel, self).setDisplayName(name) 

def displayName(self):
		# Ignore the name of the object, we only care about the namespace for tools.
		return self._namespace(self._nativeTransform).get('namespace', '') 

def deleteModule(self, *args):
        """ Delete the Guide, ModuleLayout and Namespace.
        """
        # delete mirror preview:
        try:
            cmds.delete(self.moduleGrp[:self.moduleGrp.find(":")]+"_MirrorGrp")
        except:
            pass
        # delete the guide module:
        utils.clearNodeGrp(nodeGrpName=self.moduleGrp, attrFind='guideBase', unparent=True)
        # clear default 'dpAR_GuideMirror_Grp':
        utils.clearNodeGrp()
        # remove the namespaces:
        allNamespaceList = cmds.namespaceInfo(listOnlyNamespaces=True)
        if self.guideNamespace in allNamespaceList:
            cmds.namespace(moveNamespace=(self.guideNamespace, ':'), force=True)
            cmds.namespace(removeNamespace=self.guideNamespace, force=True)
        try:
            # delete the moduleFrameLayout from window UI:
            cmds.deleteUI(self.moduleFrameLayout)
            self.clearSelectedModuleLayout()
            # edit the footer A text:
            self.currentText = cmds.text("footerAText", query=True, label=True)
            cmds.text("footerAText", edit=True, label=str(int(self.currentText[:self.currentText.find(" ")]) - 1) +" "+ self.langDic[self.langName]['i005_footerA'])
        except:
            pass
        # clear module from instance list (clean dpUI list):
        delIndex = self.dpUIinst.moduleInstancesList.index(self)
        self.dpUIinst.moduleInstancesList.pop(delIndex) 

def __init__(self, dpUIinst, langDic, langName, presetDic, presetName, userGuideName, rigType, CLASS_NAME, TITLE, DESCRIPTION, ICON, *args):
        """ Initialize the module class creating a button in createGuidesLayout in order to be used to start the guide module.
        """
        # defining variables:
        self.dpUIinst = dpUIinst
        self.langDic = langDic
        self.langName = langName
        self.guideModuleName = CLASS_NAME
        self.title = TITLE
        self.description = DESCRIPTION
        self.icon = ICON
        self.userGuideName = userGuideName
        self.rigType = rigType
        self.presetDic = presetDic
        self.presetName = presetName
        self.ctrls = dpControls.ControlClass(self.dpUIinst, self.presetDic, self.presetName)
        # defining namespace:
        self.guideNamespace = self.guideModuleName + "__" + self.userGuideName
        # defining guideNamespace:
        cmds.namespace(setNamespace=":")
        self.namespaceExists = cmds.namespace(exists=self.guideNamespace)
        self.guideName = self.guideNamespace + ":Guide"
        self.moduleGrp = self.guideName+"_Base"
        self.radiusCtrl = self.moduleGrp+"_RadiusCtrl"
        self.annotation = self.moduleGrp+"_Ant"
        if not self.namespaceExists:
            cmds.namespace(add=self.guideNamespace)
            # create GUIDE for this module:
            self.createGuide()
        # create the Module layout in the mainUI - modulesLayoutA:        
        self.createModuleLayout()
        # update module instance info:
        self.updateModuleInstanceInfo() 

def initGuide(self, guideModule, guideDir, rigType=Base.RigType.biped, *args):
        """ Create a guideModuleReference (instance) of a further guideModule that will be rigged (installed).
            Returns the guide instance initialised.
        """
        # creating unique namespace:
        cmds.namespace(setNamespace=":")
        # list all namespaces:
        namespaceList = cmds.namespaceInfo(listOnlyNamespaces=True)
        # check if there is "__" (double undersore) in the namespaces:
        for i in range(len(namespaceList)):
            if namespaceList[i].find("__") != -1:
                # if yes, get the name after the "__":
                namespaceList[i] = namespaceList[i].partition("__")[2]
        # send this result to findLastNumber in order to get the next moduleName +1:
        newSuffix = utils.findLastNumber(namespaceList, BASE_NAME) + 1
        # generate the current moduleName added the next new suffix:
        userSpecName = BASE_NAME + str(newSuffix)
        # especific import command for guides storing theses guides modules in a variable:
        basePath = utils.findEnv("PYTHONPATH", "dpAutoRigSystem")
        self.guide = __import__(basePath+"."+guideDir+"."+guideModule, {}, {}, [guideModule])
        reload(self.guide)
        # get the CLASS_NAME from guideModule:
        guideClass = getattr(self.guide, self.guide.CLASS_NAME)
        # initialize this guideModule as an guide Instance:
        guideInstance = guideClass(self, self.langDic, self.langName, self.presetDic, self.presetName, userSpecName, rigType)
        self.moduleInstancesList.append(guideInstance)
        # edit the footer A text:
        self.allGuidesList.append([guideModule, userSpecName])
        self.modulesToBeRiggedList = utils.getModulesToBeRigged(self.moduleInstancesList)
        cmds.text(self.allUIs["footerAText"], edit=True, label=str(len(self.modulesToBeRiggedList)) +" "+ self.langDic[self.langName]['i005_footerA'])
        return guideInstance 

def load(self,
             context,
             name=None,
             namespace=None,
             data=None):
        return load(Loader=self.__class__,
                    representation=context['representation'],
                    name=name,
                    namespace=namespace,
                    data=data) 

def export(self, fileName):
		name = self.name()
		objects = self.objects()
		selection = self._scene.selection()

		# Selecting the object.
		self._scene.setSelection(objects)

		# Make sure we set the current namespace to root otherwise the next line does not work.
		initialNamespace = cmds.namespaceInfo(currentNamespace=True)
		cmds.namespace(setNamespace=":" )

		# Trashing the namespace.
		cmds.namespace(removeNamespace=name, mergeNamespaceWithRoot=True)
		
		# Remove attributes that should not be stored in a exported model.
		userProps = self.userProps()
		resolutions = None
		resolution = {}
		if 'resolutions' in userProps:
			resolutions = userProps.pop('resolutions')
		if resolutionAttr in userProps:
			# Resolution is a bit complicated because it can be a enum.
			if cmds.attributeQuery(resolutionAttr, node= self._nativeName(), attributeType=True) == 'enum':
				# Store the enum list
				resolution['names'] = cmds.attributeQuery( resolutionAttr, node=self._nativeName(), listEnum=True)
			resolution['value'] = self.userProps().pop(resolutionAttr)
		# Export the model
		cmds.file(fileName, force=True, exportSelected=True, typ="mayaAscii", usingNamespaces=False)
		
		# Restore the attributes we used earlier
		userProps = self.userProps()
		if resolutions != None:
			userProps['resolutions'] = resolutions
		if resolution:
			if 'names' in resolution:
				cmds.addAttr(self._nativeName(), longName=resolutionAttr, attributeType="enum", enumName=resolution['names'][0])
				cmds.setAttr(self._attrName(), keyable=False, channelBox=True)
				cmds.setAttr(self._attrName(), resolution['value'])
			else:
				userProps[resolutionAttr] = resolution['value']
		
		# Re-add all items to the namespace
		for obj in objects:
			# TODO: Optomize setNamespace, it checks for if the namespace exists before renameing.
			# In this case this is unneccissary.
			obj.setNamespace(name)

		# Restoring the namespace.
		cmds.namespace(setNamespace=initialNamespace)

		# Restoring selection
		self._scene.setSelection(selection)
		return True 

def clean_up_file():
    pass
    # import references
    """
    refs = cmds.ls(type='reference')
    for i in refs:
        rFile = cmds.referenceQuery(i, f=True)
        cmds.file(rFile, importReference=True, mnr=True)    
        
    defaults = ['UI', 'shared']

    # Used as a sort key, this will sort namespaces by how many children they have.
    def num_children(ns):
        return ns.count(':')

    namespaces = [ns for ns in cmds.namespaceInfo(lon=True, r=True) if ns not in defaults]
    # We want to reverse the list, so that namespaces with more children are at the front of the list.
    namespaces.sort(key=num_children, reverse=True)

    for ns in namespaces:

        if namespaces.index(ns)+1 < len(namespaces):
            parent_ns = namespaces[namespaces.index(ns)+1]   
            cmds.namespace(mv=[ns,parent_ns], f=True) 
            cmds.namespace(rm=ns) 
        else:
            cmds.namespace(mv=[ns,":"], f=True)  
            cmds.namespace(rm=ns) 
	
    # remove ngSkinTools custom nodes
    from ngSkinTools.layerUtils import LayerUtils 
    LayerUtils.deleteCustomNodes()
    
    # remove RRM proxies
    if cmds.objExists("RRM_MAIN"):
        cmds.select("RRM_MAIN",hi=True)
        proxies = cmds.ls(sl=True)
        cmds.lockNode(proxies,lock=False)
        cmds.delete(proxies)
        
        if cmds.objExists("RRM_ProxiesLayer"):
            cmds.delete("RRM_ProxiesLayer")""" 

def populateCreatedGuideModules(self, *args):
        """ Read all guide modules loaded in the scene and re-create the elements in the moduleLayout.
        """
        # create a new list in order to store all created guide modules in the scene and its userSpecNames:
        self.allGuidesList = []
        self.moduleInstancesList = []
        # list all namespaces:
        cmds.namespace(setNamespace=":")
        namespaceList = cmds.namespaceInfo(listOnlyNamespaces=True)
        # find path where 'dpAutoRig.py' is been executed:
        path = utils.findPath("dpAutoRig.py")
        guideDir = MODULES
        # find all module names:
        moduleNameInfo = utils.findAllModuleNames(path, guideDir)
        validModules = moduleNameInfo[0]
        validModuleNames = moduleNameInfo[1]
        
        # check if there is "__" (double undersore) in the namespaces:
        for n in namespaceList:
            divString = n.partition("__")
            if divString[1] != "":
                module = divString[0]
                userSpecName = divString[2]
                if module in validModuleNames:
                    index = validModuleNames.index(module)
                    # check if there is this module guide base in the scene:
                    curGuideName = validModuleNames[index]+"__"+userSpecName+":"+GUIDE_BASE_NAME
                    if cmds.objExists(curGuideName):
                        self.allGuidesList.append([validModules[index], userSpecName, curGuideName])
                        
        # if exists any guide module in the scene, recreate its instance as objectClass:
        if self.allGuidesList:
            # clear current layout before reload modules:
            cmds.deleteUI(self.allUIs["modulesLayoutA"])
            self.allUIs["modulesLayoutA"] = cmds.columnLayout("modulesLayoutA", adjustableColumn=True, width=200, parent=self.allUIs["colMiddleRightA"])
            # load again the modules:
            guideFolder = utils.findEnv("PYTHONPATH", "dpAutoRigSystem")+"."+MODULES
            # this list will be used to rig all modules pressing the RIG button:
            for module in self.allGuidesList:
                mod = __import__(guideFolder+"."+module[0], {}, {}, [module[0]])
                reload(mod)
                # identify the guide modules and add to the moduleInstancesList:
                moduleClass = getattr(mod, mod.CLASS_NAME)
                dpUIinst = self
                if cmds.attributeQuery("rigType", node=module[2], ex=True):
                    curRigType = cmds.getAttr(module[2] + ".rigType")
                    moduleInst = moduleClass(dpUIinst, self.langDic, self.langName, self.presetDic, self.presetName, module[1], curRigType)
                else:
                    if cmds.attributeQuery("Style", node=module[2], ex=True):
                        iStyle = cmds.getAttr(module[2] + ".Style")
                        if (iStyle == 0 or iStyle == 1):
                            moduleInst = moduleClass(dpUIinst, self.langDic, self.langName, self.presetDic, self.presetName, module[1], Base.RigType.biped)
                        else:
                            moduleInst = moduleClass(dpUIinst, self.langDic, self.langName, self.presetDic, self.presetName, module[1], Base.RigType.quadruped)
                    else:
                        moduleInst = moduleClass(dpUIinst, self.langDic, self.langName, self.presetDic, self.presetName, module[1], Base.RigType.default)
                self.moduleInstancesList.append(moduleInst)
        # edit the footer A text:
        self.modulesToBeRiggedList = utils.getModulesToBeRigged(self.moduleInstancesList)
        cmds.text(self.allUIs["footerAText"], edit=True, label=str(len(self.modulesToBeRiggedList)) +" "+ self.langDic[self.langName]['i005_footerA'])