def apply(self, symbols, attributes, evaluation): "ClearAttributes[symbols_, attributes_]" symbols = get_symbol_list(symbols, lambda item: evaluation.message("ClearAttributes", "sym", item, 1)) if symbols is None: return values = get_symbol_list(attributes, lambda item: evaluation.message("ClearAttributes", "sym", item, 2)) if values is None: return for symbol in symbols: if "Locked" in evaluation.definitions.get_attributes(symbol): evaluation.message("ClearAttributes", "locked", symbol) else: for value in values: evaluation.definitions.clear_attribute(symbol, value) return Symbol("Null")
def apply(self, symbols, attributes, evaluation): 'ClearAttributes[symbols_, attributes_]' symbols = get_symbol_list(symbols, lambda item: evaluation.message('ClearAttributes', 'sym', item, 1)) if symbols is None: return values = get_symbol_list(attributes, lambda item: evaluation.message('ClearAttributes', 'sym', item, 2)) if values is None: return for symbol in symbols: if 'Locked' in evaluation.definitions.get_attributes(symbol): evaluation.message('ClearAttributes', 'locked', symbol) else: for value in values: evaluation.definitions.clear_attribute(symbol, value) return Symbol('Null')
def apply(self, symbols, attributes, evaluation): "SetAttributes[symbols_, attributes_]" symbols = get_symbol_list( symbols, lambda item: evaluation.message("SetAttributes", "sym", item, 1)) if symbols is None: return values = get_symbol_list( attributes, lambda item: evaluation.message("SetAttributes", "sym", item, 2)) if values is None: return for symbol in symbols: if "System`Locked" in evaluation.definitions.get_attributes( symbol): evaluation.message("SetAttributes", "locked", Symbol(symbol)) else: for value in values: evaluation.definitions.set_attribute(symbol, value) return SymbolNull