def init(choice=None, fName=None, cs=None):
"""
Scan a directory for armi inputs and load one to interact with.
Parameters
----------
choice : int, optional
Automatically run with this item out of the menu
that would be produced of existing xml files.
fName : str, optional
An actual case name to load. e.g. ntTwr1.xml
cs : object, optional
If supplied, supercede the other case input methods and use the object directly
Examples
--------
>>> o = armi.init()
"""
from armi import cases
from armi import settings
if cs is None:
if fName is None:
fName = settings.promptForSettingsFile(choice)
cs = settings.Settings(fName)
# clear out any old masterCs objects
settings.setMasterCs(cs)
armiCase = cases.Case(cs=cs)
armiCase.checkInputs()
try:
return armiCase.initializeOperator()
except: # Catch any and all errors. Naked exception on purpose.
# Concatenate errors to the master log file.
runLog.LOG.close()
raise
def test_prompt(self):
selection = settings.promptForSettingsFile(1)
self.assertEqual(selection, "settings1.yaml")