def _set_function_string(self, obj, name, old, new):
if name == 'function_str':
if hasattr(new, '__call__'):
function_source = getsource(new)
elif isinstance(new, str):
function_source = dumps(new)
self.inputs.trait_set(trait_change_notify=False, **{'%s' % name: function_source})
def __init__(self, input_names, output_names, function=None, **inputs):
"""
Parameters
----------
input_names: single str or list
names corresponding to function inputs
output_names: single str or list
names corresponding to function outputs. has to match the number of outputs
"""
super(Function, self).__init__(**inputs)
if function:
if hasattr(function, '__call__'):
try:
self.inputs.function_str = getsource(function)
except IOError:
raise Exception('Interface Function does not accept ' \
'function objects defined interactively in a python session')
elif isinstance(function, str):
self.inputs.function_str = dumps(function)
else:
raise Exception('Unknown type of function')
self.inputs.on_trait_change(self._set_function_string, 'function_str')
self._input_names = filename_to_list(input_names)
self._output_names = filename_to_list(output_names)
add_traits(self.inputs, [name for name in self._input_names])
self._out = {}
for name in self._output_names:
self._out[name] = None
def __init__(self, input_names, output_names, function=None, **inputs):
"""
Parameters
----------
input_names: single str or list
names corresponding to function inputs
output_names: single str or list
names corresponding to function outputs. has to match the number of outputs
"""
super(Function, self).__init__(**inputs)
if function:
if hasattr(function, '__call__'):
try:
self.inputs.function_str = getsource(function)
except IOError:
raise Exception('Interface Function does not accept ' \
'function objects defined interactively in a python session')
elif isinstance(function, str):
self.inputs.function_str = dumps(function)
else:
raise Exception('Unknown type of function')
self.inputs.on_trait_change(self._set_function_string, 'function_str')
self._input_names = filename_to_list(input_names)
self._output_names = filename_to_list(output_names)
add_traits(self.inputs, [name for name in self._input_names])
self._out = {}
for name in self._output_names:
self._out[name] = None
def _set_function_string(self, obj, name, old, new):
if name == 'function_str':
if hasattr(new, '__call__'):
function_source = getsource(new)
elif isinstance(new, str):
function_source = dumps(new)
self.inputs.trait_set(trait_change_notify=False,
**{'%s' % name: function_source})
