Using Json To Store Node Information #maya

store_node_information.py

# Copy-pasted from http://www.mattmurrayanimation.com/using-json-to-store-node-information-in-maya/

import json
import pymel.core as pm

def store(name, objs):

	pose={}
	ctrls=[]
	for o in objs:
		data={}
		for attr in pm.listAttr(str(o), keyable=True, unlocked=True):
			value = pm.getAttr(str(o)+'.'+attr)
			data.setdefault(str(attr),value)

		ctrls.append([str(o),[data]])

	pose.setdefault(name, {"ctrls":ctrls})

	f=open('/Users/yourname/Desktop/' + name + '.rp', 'w')
	f.write(json.dumps(pose))
	f.close()

def load(poseToLoad):
	f=open('/Users/yourname/Desktop/' + poseToLoad +'.rp', 'r')
	data=f.readlines()
	f.close()
	j_data = json.loads(data[0])

	ctrls = j_data[poseToLoad]['ctrls']

	for c in ctrls:
		ctrl = c[0]
		attrs = pm.listAttr(ctrl, keyable=True, unlocked=True)
		for a in attrs:
			at = c[1][0]
			val = c[1][0][a]
			pm.setAttr(ctrl + '.' + a, val)

	if len(pm.ls(sl=True)):
		objs = pm.ls(sl=True)
		# store("pose1",objs)
		load("pose1")