def _construct_lt_condition( condition: Dict, cs: ConfigurationSpace, ) -> LessThanCondition: return LessThanCondition( child=cs.get_hyperparameter(condition['child']), parent=cs.get_hyperparameter(condition['parent']), value=condition['value'], )
def _construct_neq_condition( condition: Dict, cs: ConfigurationSpace, ) -> NotEqualsCondition: return NotEqualsCondition( child=cs.get_hyperparameter(condition['child']), parent=cs.get_hyperparameter(condition['parent']), value=condition['value'], )
def _construct_in_condition( condition: Dict, cs: ConfigurationSpace, ) -> InCondition: return InCondition( child=cs.get_hyperparameter(condition['child']), parent=cs.get_hyperparameter(condition['parent']), values=condition['values'], )
def _convert_dict_to_config(config_list: typing.List[str], cs: ConfigurationSpace): """Since we save a configurations in a dictionary str->str we have to try to figure out the type (int, float, str) of each parameter value Parameters ---------- config_list: typing.List[str] Configuration as a list of "str='str'" cs: ConfigurationSpace Configuration Space to translate dict object into Confiuration object """ config_dict = {} for param in config_list: k, v = param.split("=") v = v.strip("'") hp = cs.get_hyperparameter(k) if isinstance(hp, FloatHyperparameter): v = float(v) elif isinstance(hp, IntegerHyperparameter): v = int(v) config_dict[k] = v config = Configuration(configuration_space=cs, values=config_dict) config.origin = "External Trajectory" return config
def _construct_forbidden_in( clause: Dict, cs: ConfigurationSpace, ) -> ForbiddenEqualsClause: return ForbiddenInClause(hyperparameter=cs.get_hyperparameter( clause['name']), values=clause['values'])
def read(pcs_string, debug=False): configuration_space = ConfigurationSpace() conditions = [] forbidden = [] # some statistics ct = 0 cont_ct = 0 cat_ct = 0 line_ct = 0 for line in pcs_string: line_ct += 1 if "#" in line: # It contains a comment pos = line.find("#") line = line[:pos] # Remove quotes and whitespaces at beginning and end ori_line = line line = line.replace('"', "").replace("'", "") line = line.strip() if "|" in line: # It's a condition try: c = pp_condition.parseString(line) conditions.append(c) except pyparsing.ParseException: raise NotImplementedError("Could not parse condition: %s" % line) continue if "}" not in line and "]" not in line: continue if line.startswith("{") and line.endswith("}"): forbidden.append(line) continue if len(line.strip()) == 0: continue ct += 1 param = None create = { "int": UniformIntegerHyperparameter, "float": UniformFloatHyperparameter, "categorical": CategoricalHyperparameter } try: param_list = pp_cont_param.parseString(line) il = param_list[9:] if len(il) > 0: il = il[0] param_list = param_list[:9] name = param_list[0] lower = float(param_list[2]) upper = float(param_list[4]) paramtype = "int" if "i" in il else "float" log = True if "l" in il else False default_value = float(param_list[7]) param = create[paramtype](name=name, lower=lower, upper=upper, q=None, log=log, default_value=default_value) cont_ct += 1 except pyparsing.ParseException: pass try: param_list = pp_cat_param.parseString(line) name = param_list[0] #choices = [c for c in param_list[2:-4:2]] ori_line_segs = ori_line.split('{') choices_str = '[' + ori_line_segs[1].split('}')[0] + ']' choices = json.loads(choices_str) #default_value = param_list[-2] ori_line_segs = ori_line.split('[') default_str = ori_line_segs[-1].split(']')[0] default_value = json.loads(default_str) param = create["categorical"](name=name, choices=choices, default_value=default_value) cat_ct += 1 except pyparsing.ParseException: pass if param is None: raise NotImplementedError("Could not parse: %s" % line) configuration_space.add_hyperparameter(param) for clause in forbidden: # TODO test this properly! # TODO Add a try/catch here! # noinspection PyUnusedLocal param_list = pp_forbidden_clause.parseString(clause) tmp_list = [] clause_list = [] for value in param_list[1:]: if len(tmp_list) < 3: tmp_list.append(value) else: # So far, only equals is supported by SMAC if tmp_list[1] == '=': # TODO maybe add a check if the hyperparameter is # actually in the configuration space clause_list.append( ForbiddenEqualsClause( configuration_space.get_hyperparameter( tmp_list[0]), tmp_list[2])) else: raise NotImplementedError() tmp_list = [] configuration_space.add_forbidden_clause( ForbiddenAndConjunction(*clause_list)) #Now handle conditions # If there are two conditions for one child, these two conditions are an # AND-conjunction of conditions, thus we have to connect them conditions_per_child = OrderedDict() for condition in conditions: child_name = condition[0] if child_name not in conditions_per_child: conditions_per_child[child_name] = list() conditions_per_child[child_name].append(condition) for child_name in conditions_per_child: condition_objects = [] for condition in conditions_per_child[child_name]: child = configuration_space.get_hyperparameter(child_name) parent_name = condition[2] parent = configuration_space.get_hyperparameter(parent_name) restrictions = condition[5:-1:2] # TODO: cast the type of the restriction! if len(restrictions) == 1: condition = EqualsCondition(child, parent, restrictions[0]) else: condition = InCondition(child, parent, values=restrictions) condition_objects.append(condition) # Now we have all condition objects for this child, so we can build a # giant AND-conjunction of them (if number of conditions >= 2)! if len(condition_objects) > 1: and_conjunction = AndConjunction(*condition_objects) configuration_space.add_condition(and_conjunction) else: configuration_space.add_condition(condition_objects[0]) return configuration_space
def read(pcs_string, debug=False): configuration_space = ConfigurationSpace() conditions = [] forbidden = [] # some statistics ct = 0 cont_ct = 0 cat_ct = 0 ord_ct = 0 line_ct = 0 for line in pcs_string: line_ct += 1 if "#" in line: # It contains a comment pos = line.find("#") line = line[:pos] # Remove quotes and whitespaces at beginning and end ori_line = line line = line.replace('"', "").replace("'", "") line = line.strip() if "|" in line: # It's a condition try: c = pp_condition.parseString(line) conditions.append(c) except pyparsing.ParseException: raise NotImplementedError("Could not parse condition: %s" % line) continue if "}" not in line and "]" not in line: continue if line.startswith("{") and line.endswith("}"): forbidden.append(line) continue if len(line.strip()) == 0: continue ct += 1 param = None create = {"int": UniformIntegerHyperparameter, "float": UniformFloatHyperparameter, "categorical": CategoricalHyperparameter, "ordinal": OrdinalHyperparameter } try: param_list = pp_cont_param.parseString(line) name = param_list[0] if param_list[1] == 'integer': paramtype = 'int' elif param_list[1] == 'real': paramtype = 'float' else: paramtype = None if paramtype in ['int', 'float']: log = param_list[10:] param_list = param_list[:10] if len(log) > 0: log = log[0] lower = float(param_list[3]) upper = float(param_list[5]) log_on = True if "log" in log else False default_value = float(param_list[8]) param = create[paramtype](name=name, lower=lower, upper=upper, q=None, log=log_on, default_value=default_value) cont_ct += 1 except pyparsing.ParseException: pass try: if "categorical" in line: param_list = pp_cat_param.parseString(line) name = param_list[0] #choices = [choice for choice in param_list[3:-4:2]] ori_line_segs = ori_line.split('{') choices_str = '[' + ori_line_segs[1].split('}')[0] + ']' choices = json.loads(choices_str) #default_value = param_list[-2] ori_line_segs = ori_line.split('[') default_str = ori_line_segs[-1].split(']')[0] default_value = json.loads(default_str) param = create["categorical"](name=name, choices=choices, default_value=default_value) cat_ct += 1 elif "ordinal" in line: param_list = pp_ord_param.parseString(line) name = param_list[0] #sequence = [seq for seq in param_list[3:-4:2]] ori_line_segs = ori_line.split('{') sequence_str = '[' + ori_line_segs[1].split('}')[0] + ']' sequence = json.loads(sequence_str) #default_value = param_list[-2] ori_line_segs = ori_line.split('[') default_str = ori_line_segs[-1].split(']')[0] default_value = json.loads(default_str) param = create["ordinal"](name=name, sequence=sequence, default_value=default_value) ord_ct += 1 except pyparsing.ParseException: pass if param is None: raise NotImplementedError("Could not parse: %s" % line) configuration_space.add_hyperparameter(param) for clause in forbidden: param_list = pp_forbidden_clause.parseString(clause) tmp_list = [] clause_list = [] for value in param_list[1:]: if len(tmp_list) < 3: tmp_list.append(value) else: # So far, only equals is supported by SMAC if tmp_list[1] == '=': # TODO maybe add a check if the hyperparameter is # actually in the configuration space clause_list.append(ForbiddenEqualsClause( configuration_space.get_hyperparameter(tmp_list[0]), tmp_list[2])) else: raise NotImplementedError() tmp_list = [] configuration_space.add_forbidden_clause(ForbiddenAndConjunction( *clause_list)) conditions_per_child = OrderedDict() for condition in conditions: child_name = condition[0] if child_name not in conditions_per_child: conditions_per_child[child_name] = list() conditions_per_child[child_name].append(condition) for child_name in conditions_per_child: for condition in conditions_per_child[child_name]: condition = condition[2:] condition = ' '.join(condition) if '||' in str(condition): ors = [] # 1st case we have a mixture of || and && if '&&' in str(condition): ors_combis = [] for cond_parts in str(condition).split('||'): condition = str(cond_parts).split('&&') # if length is 1 it must be or if len(condition) == 1: element_list = condition[0].split() ors_combis.append(condition_specification(child_name, element_list, configuration_space)) else: # now taking care of ands ands = [] for and_part in condition: element_list = [element for part in condition for element in and_part.split()] ands.append(condition_specification(child_name, element_list, configuration_space)) ors_combis.append(AndConjunction(*ands)) mixed_conjunction = OrConjunction(*ors_combis) configuration_space.add_condition(mixed_conjunction) else: # 2nd case: we only have ors for cond_parts in str(condition).split('||'): element_list = [element for element in cond_parts.split()] ors.append(condition_specification(child_name, element_list, configuration_space)) or_conjunction = OrConjunction(*ors) configuration_space.add_condition(or_conjunction) else: # 3rd case: we only have ands if '&&' in str(condition): ands = [] for cond_parts in str(condition).split('&&'): element_list = [element for element in cond_parts.split()] ands.append(condition_specification(child_name, element_list, configuration_space)) and_conjunction = AndConjunction(*ands) configuration_space.add_condition(and_conjunction) else: # 4th case: we have a normal condition element_list = [element for element in condition.split()] normal_condition = condition_specification(child_name, element_list, configuration_space) configuration_space.add_condition(normal_condition) return configuration_space