def load_params(params_file, module_name="params"):
""" Helper to load a python file used to provide input parameters. """
pscript = "from visit_utils import *\n" + open(params_file).read()
params = define_module(module_name, pscript)
# auto setup 'root' PropertyTree
if not 'root' in dir(params):
root = PropertyTree()
for val in dir(params):
if val.count("__") != 2:
root[val] = params.__dict__[val]
params.__dict__['root'] = root
return params
def __init__(self, name, context):
if not self.__validate():
raise InvalidFilterDefinitionError(self)
self.name = name
self.params = PropertyTree(init=self.default_params)
self.context = context
