def load_from_json(file_path):
    if os.path.exists(file_path):
        raw_data = open(file_path, 'rb').read()
        return json.loads(base64.decodestring(raw_data).decode('utf-8'))
This class creates a context for the View Tools "track", "dolly", and "box zoom" in the texture window.
dataset/ETHPy150Open yhat/db.py/db/db.py/load_from_json--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/extras/completion/py/pymel/core/context.py/texWinToolCtx