def use_idaes_solver_configuration_defaults(b=True):
"""
This function enables (or disables if given False as the argument) solvers
getting default settings from the IDAES configuration. When enabled this
allows global configuration of solvers.
Args:
b: True to use default solver configurations from the IDAES configuration
False to use standard Pyomo solver factories. Default is True.
Returns:
None
"""
idaes.cfg.use_idaes_solver_config = b
if b: # This will let you explicitly state you don't want any part of this
# so if you only do "use_idaes_solver_configuration_defaults(False)" up-
# front you are saying I know this stuff exists and I must insist you
# don't use it, of course you can still implicitly not use it. You can
# also turn it off and on, if that makes sense for you, but once you turn
# it on, you've still registerd the wrapper classes, and if you turn
# it off they just pass-through.
for c in list(SolverFactory):
if isinstance(SolverFactory.get_class(c), SolverWrapper):
continue
SolverWrapper(c)
if 'default' not in SolverFactory:
SolverWrapper('default')
def __init__(self, name, register=True):
self.name = name
if name == 'default':
self.solver = None
doc = "IDAES Configured Default Solver"
else:
self.solver = SolverFactory.get_class(name)
doc = SolverFactory.doc(name)
if register:
SolverFactory.unregister(name)
# Re-register the solver (register is a decorator)
SolverFactory.register(name, doc)(self)
def __call__(self, *args, **kwargs):
if self.name == "default":
name = idaes.cfg.default_solver
solver = SolverFactory.get_class(name)
else:
name = self.name
solver = self.solver
if name in idaes.cfg and (self._use_idaes_config or name == "default"):
for k, v in idaes.cfg[name].items():
if k not in kwargs:
kwargs[k] = v
elif k == "options":
# options is in ConfigBlock and in kwargs, treat "options"
# special so individual options can have defaults not just
# the whole options block
for opk, opv in v.items():
if opk not in kwargs["options"]:
kwargs["options"][opk] = opv
return solver(*args, **kwargs)