def getAllNS():

    #set the current naemspace to world
    curNS = mc.namespaceInfo(cur=True)
    mc.namespace(set=":")

    #because maya can only list the child namespaces of the current set namespace, we have to recursively go through setting
    #and checking child namespaces

    #start by getting the worlds children
    namespaces = []
    childspaces = mc.namespaceInfo(lon=True)

    while childspaces:
        #move the current add spaces into the namespaces list (what we will return)
        namespaces.extend(childspaces)
        #create a list from the childspaces so that we can check for their children
        checkspaces = childspaces
        #empty the childspaces so all new children can be added to it for the next round
        childspaces = []
        #cycle through the current checkspaces and get their child namespaces
        for check in checkspaces:
            mc.namespace(set=(":" + check))
            grandchildspaces = mc.namespaceInfo(lon=True)
            if grandchildspaces:
                childspaces.extend(grandchildspaces)
                
    #remove default namespaces
    if namespaces.count('UI'): namespaces.remove('UI')
    if namespaces.count('shared'): namespaces.remove('shared')
      
    mc.namespace(set=(":" + curNS))
    namespaces.sort()
    return namespaces

    def addCharacter(self, close, *args):
        project = cmds.optionMenu(self.widgets["project"], q=True, value=True)
        selectedCharacter = cmds.textScrollList(self.widgets["characterList"], q=True, si=True)[0]
        rigPath = os.path.join(
            self.mayaToolsDir, "General", "ART", "Projects", project, "AnimRigs", selectedCharacter + ".mb"
        )
        # find existing namespaces in scene
        namespaces = cmds.namespaceInfo(listOnlyNamespaces=True)
        # reference the rig file
        cmds.file(
            rigPath, r=True, type="mayaBinary", loadReferenceDepth="all", namespace=selectedCharacter, options="v=0"
        )
        # clear selection and fit view
        cmds.select(clear=True)
        cmds.viewFit()
        panels = cmds.getPanel(type="modelPanel")
        # turn on smooth shading
        for panel in panels:
            editor = cmds.modelPanel(panel, q=True, modelEditor=True)
            cmds.modelEditor(editor, edit=True, displayAppearance="smoothShaded", displayTextures=True, textures=True)
        # find new namespaces in scene (this is here in case I need to do something later and I need the new name that was created)
        newCharacterName = selectedCharacter
        newNamespaces = cmds.namespaceInfo(listOnlyNamespaces=True)
        for name in newNamespaces:
            if name not in namespaces:
                newCharacterName = name
        # launch UI
        import ART_animationUI

        reload(ART_animationUI)
        ART_animationUI.AnimationUI()
        if close:
            cmds.deleteUI(self.widgets["window"])

	def resolveNamespaceClashes(self, tempNamespace):
		returnNames = []
		
		cmds.namespace(setNamespace=tempNamespace)
		namespaces = cmds.namespaceInfo(listOnlyNamespaces=True)
		cmds.namespace(setNamespace=':')
		existingNamespaces = cmds.namespaceInfo(listOnlyNamespaces=True)
		
		for i in range(len(namespaces)):
			namespaces[i] = namespaces[i].partition(tempNamespace+ ':')[2]
			
		for name in namespaces:
			newName = str(name)
			oldName = tempNamespace + ':' + name
			
			if name in existingNamespaces:
				highestSuffix = utils.findHighestTrailingNumber(existingNamespaces, name+'_')
				highestSuffix += 1
			
				newName = str(name) + '_' + str(highestSuffix)
			
			returnNames.append([oldName,newName])
			
		self.resolveNameChangeMirrorLinks(returnNames,tempNamespace)
		
		self.renameNamespaces(returnNames)
		
		return returnNames

    def deleteNsContents(self, nameSpace):
        mc.namespace(set=":")
        mc.namespace(set=":"+nameSpace)
        if self.debug: print"current ns: ", mc.namespaceInfo(currentNamespace=True)
        nsContent = mc.namespaceInfo(ls=True, listOnlyDependencyNodes=True)

        if not nsContent:
            return

        for i in mc.namespaceInfo(ls=True, listOnlyDependencyNodes=True):
            
            delStr = i.split(":")[-1]
            
            try:
                print "deleting:", delStr
                #print mc.nodeType(i)
                mc.delete(i)
                self.count += 1

            except:
                if self.debug:print "can not delete: ", i
                pass

        if self.debug: print "renaming namespace: ", nameSpace
        self.setNsCleaned(nameSpace)

def bdImportGeneric(args):
    basicFilter = "Maya Files (*.ma *.mb);;Maya ASCII (*.ma);;Maya Binary (*.mb)"
    genericFile = cmds.fileDialog2(fileFilter=basicFilter, dialogStyle=0,cap='Import Generic',fm=1)    
    if genericFile:
        print genericFile
        #cmds.file( genericFile[0],  namespace="generic", import = True)
        cmds.file( genericFile[0], i=True,namespace = 'genericchar' )
	#remove namespaces
	sceneNS = cmds.namespaceInfo(lon=True,r=True)
	importNS = []
	for ns in sceneNS:
		if 'genericchar' in ns:
			importNS.append(ns)
	importNS.reverse()
	
	for ns in importNS:
		cmds.namespace(setNamespace=ns)
		parentNS = cmds.namespaceInfo( parent = True)
		nemName = ":" + ns
		cmds.namespace( force = True, moveNamespace = [ nemName, ':' ] )
		cmds.namespace( rm = nemName)        
        

    else:
        print 'No file was selected'
    bipsInScene = cmds.ls('Bip??')
    if len(bipsInScene) == 1:
        target = bipsInScene[0]
        dest = 'Generic|Controllers|World_Anim_grp|Global_Scale_Anim'
        const = cmds.parentConstraint(target,dest)
        cmds.delete(const)
        cmds.setAttr(dest + ".translateZ", 0)
        cmds.setAttr(dest + ".rotateX", 0)
        cmds.setAttr(dest + ".rotateY", 0)	

	def __init__(self):
		character = self.findSelectedCharacter()
		
		if character == None:
			return
			
		niceName = character.partition('__')[2]
		result = cmds.confirmDialog(title='Delete Character',message='Are you sure you want to delete the character \'' + niceName + '\'?\nCharacter deletion cannot be undone.',button=['Yes','Cancel'],defaultButton='Yes',cancelButton='Cancel',dismissString='Cancel')
		
		if result == 'Cancel':
			return
			
		characterContainer = character + ':character_container'
		
		cmds.lockNode(characterContainer, lock=False, lockUnpublished=False)
		
		cmds.delete(characterContainer)
		
		cmds.namespace(setNamespace=character)
		blueprintNamespaces = cmds.namespaceInfo(listOnlyNamespaces=True)
		
		for blueprintNamespace in blueprintNamespaces:
			cmds.namespace(setNamespace=':')
			cmds.namespace(setNamespace=blueprintNamespace)
			
			moduleNamespaces = cmds.namespaceInfo(listOnlyNamespaces=True)
			cmds.namespace(setNamespace=':')
			if moduleNamespaces != None:
				for moduleNamespace in moduleNamespaces:
					cmds.namespace(removeNamespace=moduleNamespace)
					
			cmds.namespace(removeNamespace=blueprintNamespace)
			
		cmds.namespace(removeNamespace=character)

 def retrieveListEmptyNamespaces(self, root):
     del self.listEmptyNamespace[:]
     listNs = cmds.namespaceInfo(root, listOnlyNamespaces=True, recurse = True )
     if listNs != None:
         for namespace in listNs:
             if namespace != "UI" and namespace != "shared":
                 if cmds.namespaceInfo(namespace, listNamespace=True ) == None:
                     self.listEmptyNamespace.append(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 import_taskfile(self, refobj, taskfileinfo):
        """Import the given taskfileinfo and update the refobj

        :param refobj: the refobject
        :type refobj: refobject
        :param taskfileinfo: the taskfileinfo to reference
        :type taskfileinfo: :class:`jukeboxcore.filesys.TaskFileInfo`
        :returns: None
        :rtype: None
        :raises: None
        """
        # work in root namespace
        with common.preserve_namespace(":"):
            jbfile = JB_File(taskfileinfo)
            filepath = jbfile.get_fullpath()
            ns_suggestion = reftrack.get_namespace(taskfileinfo)
            nodes = cmds.file(filepath, i=True, namespace=ns_suggestion, returnNewNodes=True, preserveReferences=True)  # import
            assert nodes, 'Nothing was imported! this is unusual!'
            ns = common.get_top_namespace(nodes[0])  # get the actual namespace
            cmds.setAttr("%s.namespace" % refobj, ns, type="string")
            nscontent = cmds.namespaceInfo(ns, listOnlyDependencyNodes=True, dagPath=True)  # get the content
            scenenode = self.get_scenenode(nscontent)
            self.get_refobjinter().connect_reftrack_scenenode(refobj, scenenode)
            dagcontent = cmds.ls(nodes, ap=True, assemblies=True)  # get only the dagnodes so we can group them
            if not dagcontent:
                return  # no need for a top group if there are not dagnodes to group
            # group the dagnodes in the new namespace
            grpname = reftrack.get_groupname(taskfileinfo)
            reftrack.group_content(dagcontent, ns, grpname, "jb_asset")
            return

def importSkinByRef(ref, file, skip=[], **kwargs):
    """Import skin for every dag node in reference."""

    if not os.path.exists(file):
        rigUtils.log('Skin file not found - skipping: %s' % file)
        return

    rigUtils.log('Reading file: %s' % file)

    f = open(file, 'r')
    j = json.loads(f.read())
    f.close()

    cmds.namespace(set=ref)
    dagnodes = cmds.namespaceInfo(lod=True)
    cmds.namespace(set=':')

    skinned = []

    for dagnode in dagnodes:
        if skip:
            if dagnode in skip:
                continue
        if dagnode in j:
            dict = j[dagnode]
            try: skindict = dict['skinCluster']
            except: continue
            importSkin(skindict, dagnode, **kwargs)
            skinned.append(dagnode)

    return skinned

def iterNamespaces( namespace=':' ):
	'''
	iterates over all namespaces under and including the one given...  holy sH1t namespaces suck
	b4lls in maya
	'''
	if namespace.endswith( ':' ):
		namespace = namespace[ :-1 ]

	namespaces = [ namespace ]
	idx = 0

	while True:
		try:
			curNS = namespaces[ idx ]
		except IndexError: break

		idx += 1

		try:
			cmd.namespace( set=curNS )
		except RuntimeError: continue

		subs = cmd.namespaceInfo( listOnlyNamespaces=True )
		if subs is None:
			continue

		namespaces += subs

	return iter( namespaces )

	def install_module(self,module,*args):
		
		basename = "instance_"
		
		cmds.namespace(setNamespace =":")
		namespaces = cmds.namespaceInfo(listOnlyNamespaces=True)

		for i in range(len(namespaces)):
			if namespaces[i].find("__") != -1:
				namespaces[i] = namespaces[i].partition("__")[2]

		new_suffix = utils.find_highest_trailing_number(namespaces, basename)+1

		user_specified_name = basename+str(new_suffix)

		hook_obj = self.find_hook_obj_from_selection()

		mod = __import__("blueprint."+module, {}, {}, [module])
		reload(mod)

		module_class = getattr(mod, mod.CLASS_NAME)
		module_instance = module_class(user_specified_name, hook_obj)
		module_instance.install()

		module_trans = mod.CLASS_NAME+"__"+user_specified_name+":module_transform"

		cmds.select(module_trans,replace=True)

		cmds.setToolTo("moveSuperContext")

	def _fixTheFuckingCores(self):
		"""
		This is used to clean sweep the static scenes and remove the duplicate Namespaces and reconnect the bases to the duplicates
		"""

		removedNameSpaces = []
		## Remove duplicate root core namespaces
		getAllNameSpaces = cmds.namespaceInfo(listOnlyNamespaces = True)
		for eachNS in getAllNameSpaces:
			if eachNS.endswith('1'):
				print 'Removing %s' % eachNS
				cmds.namespace(removeNamespace = eachNS, mergeNamespaceWithRoot = True)
				removedNameSpaces.append(eachNS.replace('1', '').replace('_CORE', ''))

		## Remove duplicate base cores
		for each in cmds.ls(type = 'core_archive'):
			if '1'in each:
				print 'Cleaned rootCore %s from scene...' % each
				cmds.delete(each)

		## Now find all geo with the core name in it and proceess it for reconnection
		for eachCore in removedNameSpaces:
			#print eachCore
			## Check child _hrc grps for processing
			getAllGeo = [eachGeo for eachGeo in cmds.ls('*%s*' % eachCore) if cmds.nodeType(eachGeo) == 'transform']
			for eachGeo in getAllGeo:
				self._reconnectDuplicates(eachGeo, '%s_CORE_Geoshader' % eachCore)

		coreLib.cleanupDeadCoreArchives()

def namespaceList(current= None):
	"""
	"""
	if not current:
		cmds.namespace(set = ':')

	return cmds.namespaceInfo(lon= 1, r= 1, an= 1)

    def createModuleButtonCommand(self, moduleClassName, *args):

        ##  DEALING WITH NAMESPACES
        moduleName = cmds.textFieldGrp(self.UIwidgets[moduleClassName + "ModuleName"], q=True, text=True)
        if moduleName == "":
            moduleName = moduleClassName

        ##  need to check if name has "_" character in it.  If so we need to remove it.
        ##  if name does not have "_" at the end, add it
        if moduleName.partition("_")[1] == "":
            moduleName = moduleName + "_"
        ##  gather all namespaces
        allNamespaces = cmds.namespaceInfo(listNamespace=True)
        ##  gather the highest number
        index = util.findHighestTrailingNumber(allNamespaces, moduleName)
        ##  check to see if module name is in the list of namespaces.  if so, add 1.  if not leave alone
        if moduleName + str(index) in allNamespaces:
            moduleName = moduleName + str(index + 1)
        else:
            moduleName = moduleName + str(index)

        #  need to find correct module file
        modName = util.findModule(RIGGING_TOOL_ROOT, moduleClassName)
        #  import that module
        mod = __import__(environ.BlueprintModulePath + modName, {}, {}, [modName])
        reload(mod)
        # Get class reference for Blueprint module class, then create user specified instance of Blueprint module class and call it's Constructor and install method.
        #  getAttr returns import reference,
        moduleClass = getattr(mod, mod.ClassName)
        moduleInstance = moduleClass(moduleName)
        moduleInstance.install_joints()

def removeAllNS(deleteContent = False):
    ## Now remove all the nameSpaces!! This is to remove any clashes with the core_assemblies later on...
    safeNS = ['UI', 'shared']
    getAllNameSpaces = cmds.namespaceInfo(listOnlyNamespaces = True)
    for eachNS in getAllNameSpaces:
        if eachNS not in safeNS:
            try:
                if deleteContent:
                    cmds.namespace(removeNamespace = eachNS, deleteNamespaceContent = True)
                else:
                    cmds.namespace(removeNamespace = eachNS, mergeNamespaceWithRoot = True)
            except RuntimeError:
                pass

    if cmds.namespaceInfo(listOnlyNamespaces = True) != ['UI', 'shared']:
        removeAllNS()

def cmd_makeRefOfSelection(pathField='', fileField='', nsField='', *args):
    path = cmds.textFieldGrp(pathField, q=True, text=True)
    fyle = cmds.textFieldGrp(fileField, q=True, text=True)
    ns = cmds.textFieldGrp(nsField, q=True, text=True)
    nsList = cmds.namespaceInfo(lon=True)
    sel = cmds.ls(sl=True)
    if sel:
        f = fyle
        if f:
            path = os.path.join(path, f)
        else:
            message('Provide a file name, excluding path.', warning=True)
            return None
        if ns:
            if ns not in nsList:
                try:
                    cmds.file(path, type='mayaAscii', er=True, namespace=ns)
                except:
                    message('Export Failed... In case your object is already a reference, make a duplicate or import it. Then try again.', warning=True)
            else:
                message('Namespace "'  + ns + '" already exists. Choose another!', warning=True)
        else:
            message('Provide a namespace for the reference.', warning=True)
            return None
    else:
        message( 'Select and object', warning=True)

	def current( cls ):
		""":return: the currently set absolute namespace """
		# will return namespace relative to the root - thus is absolute in some sense
		nsname = cmds.namespaceInfo( cur = 1 )
		if not nsname.startswith( ':' ):		# assure we return an absoslute namespace
			nsname = ":" + nsname
		return cls( nsname )

def searchCharsName():
    """检索当前场景中的所有角色名

    Description:
        根据绑定文件的命名规范与reference原则，从命名空间中就可获得角色名称

    Arguments:
        无

    Returns:
        allCharsNameList：所有角色名列表(无重复)
    """
    cmds.namespace(set = ":")
    allNamespace = cmds.namespaceInfo(listOnlyNamespaces = True)  #拿到所有根目录下的命名空间名称
    allCharsName = []
    
    for eachNamespace in allNamespace:
        #拿到带有_Char_的命名空间名称，从中拿到角色名
        
        if eachNamespace.find("_chr_") < 0:
            print "This Is Not A Char!"            
        else:
            namesapceWithChar = eachNamespace
            charName = namesapceWithChar.split("_")[2]  #charName存放角色名
            allCharsName.append(charName)

    allCharsNameList = cT.delDupFromList(allCharsName)  #调用函数去除list中的重复元素
    
    return allCharsNameList

 def getNamespace(self):
     returnNamespaces = []
     namespaces = cmds.namespaceInfo(lon=True)
     for namespace in namespaces:
         if namespace != 'UI' and namespace != 'shared':
             returnNamespaces.append(namespace)
     return returnNamespaces