def _name2abs_name(self, name):
"""
Map the given promoted or relative name to the absolute name.
This is only valid when the name is unique; otherwise, a KeyError is thrown.
Parameters
----------
name : str
Promoted or relative variable name in the owning system's namespace.
Returns
-------
str or None
Absolute variable name if unique abs_name found or None otherwise.
"""
system = self._system()
# try relative name first
abs_name = '.'.join(
(system.pathname, name)) if system.pathname else name
if abs_name in self._names:
return abs_name
abs_name = prom_name2abs_name(system, name, self._typ)
if abs_name in self._names:
return abs_name
def __call__(self, design_vars, model=None):
"""
Generate case.
Parameters
----------
design_vars : OrderedDict
Dictionary of design variables for which to generate values.
model : Group
The model containing the design variables.
Yields
------
list
list of name, value tuples for the design variables.
"""
for case in self._data:
if not isinstance(case, list):
msg = "Invalid DOE case found, expecting a list of name/value pairs:\n%s"
raise RuntimeError(msg % str(case))
name_map = {}
for tup in case:
if type(tup) not in (tuple, list) or len(tup) != 2:
msg = "Invalid DOE case found, expecting a list of name/value pairs:\n%s"
raise RuntimeError(msg % str(case))
name = tup[0]
if name in design_vars:
name_map[name] = name
elif model:
abs_name = prom_name2abs_name(model, name, 'output')
if abs_name in design_vars:
name_map[name] = abs_name
# any names not found in name_map are invalid design vars
invalid_desvars = [
name for name, _ in case if name not in name_map
]
if invalid_desvars:
if len(invalid_desvars) > 1:
msg = "Invalid DOE case found, %s are not valid design variables:\n%s"
raise RuntimeError(msg % (str(invalid_desvars), str(case)))
else:
msg = "Invalid DOE case found, '%s' is not a valid design variable:\n%s"
raise RuntimeError(msg %
(str(invalid_desvars[0]), str(case)))
yield [(name_map[name], val) for name, val in case]
def __call__(self, design_vars, model=None):
"""
Generate case.
Parameters
----------
design_vars : dict
Dictionary of design variables for which to generate values.
model : Group
The model containing the design variables.
Yields
------
list
list of name, value tuples for the design variables.
"""
name_map = {}
with open(self._filename, 'r') as f:
# map header names to absolute names if necessary
names = re.sub(' ', '', f.readline()).strip().split(',')
for name in names:
if name in design_vars:
name_map[name] = name
elif model:
abs_name = prom_name2abs_name(model, name, 'output')
if abs_name in design_vars:
name_map[name] = abs_name
# any names not found in name_map are invalid design vars
invalid_desvars = [
name for name in names if name_map.get(name) is None
]
if invalid_desvars:
if len(invalid_desvars) > 1:
msg = "Invalid DOE case file, %s are not valid design variables."
raise RuntimeError(msg % str(invalid_desvars))
else:
msg = "Invalid DOE case file, '%s' is not a valid design variable."
raise RuntimeError(msg % str(invalid_desvars[0]))
# read cases from file, parse values into numpy arrays
with open(self._filename, 'r') as f:
reader = csv.DictReader(f)
for row in reader:
case = [(name_map[name.strip()],
np.fromstring(re.sub(r'[\[\]]', '', row[name]),
sep=' ')) for name in reader.fieldnames]
yield case
def __call__(self, design_vars, model=None):
"""
Generate case.
Parameters
----------
design_vars : dict
Dictionary of design variables for which to generate values.
model : Group
The model containing the design variables.
Yields
------
list
list of name, value tuples for the design variables.
"""
for case in self._data:
if not isinstance(case, list):
msg = "Invalid DOE case found, expecting a list of name/value pairs:\n%s"
raise RuntimeError(msg % str(case))
name_map = {}
for tup in case:
if type(tup) not in (tuple, list, set) or len(tup) != 2:
msg = "Invalid DOE case found, expecting a list of name/value pairs:\n%s"
raise RuntimeError(msg % str(case))
name = tup[0]
if name in design_vars:
name_map[name] = name
elif model:
abs_name = prom_name2abs_name(model, name, 'output')
if abs_name in design_vars:
name_map[name] = abs_name
# any names not found in name_map are invalid design vars
invalid_desvars = [name for name, val in case if name_map.get(name) is None]
if invalid_desvars:
if len(invalid_desvars) > 1:
msg = "Invalid DOE case found, %s are not valid design variables:\n%s"
raise RuntimeError(msg % (str(invalid_desvars), str(case)))
else:
msg = "Invalid DOE case found, '%s' is not a valid design variable:\n%s"
raise RuntimeError(msg % (str(invalid_desvars[0]), str(case)))
yield [(name_map[name], val) for name, val in case]
def __call__(self, design_vars, model=None):
"""
Generate case.
Parameters
----------
design_vars : dict
Dictionary of design variables for which to generate values.
model : Group
The model containing the design variables.
Yields
------
list
list of name, value tuples for the design variables.
"""
name_map = {}
with open(self._filename, 'r') as f:
# map header names to absolute names if necessary
names = re.sub(' ', '', f.readline()).strip().split(',')
for name in names:
if name in design_vars:
name_map[name] = name
elif model:
abs_name = prom_name2abs_name(model, name, 'output')
if abs_name in design_vars:
name_map[name] = abs_name
# any names not found in name_map are invalid design vars
invalid_desvars = [name for name in names if name_map.get(name) is None]
if invalid_desvars:
if len(invalid_desvars) > 1:
msg = "Invalid DOE case file, %s are not valid design variables."
raise RuntimeError(msg % str(invalid_desvars))
else:
msg = "Invalid DOE case file, '%s' is not a valid design variable."
raise RuntimeError(msg % str(invalid_desvars[0]))
# read cases from file, parse values into numpy arrays
with open(self._filename, 'r') as f:
reader = csv.DictReader(f)
for row in reader:
case = [(name_map[name.strip()],
np.fromstring(re.sub('[\[\]]', '', row[name]), sep=' '))
for name in reader.fieldnames]
yield case
