def initialize(**kwds):
obj = Options(**kwds)
#
# Set obj.available
#
opt = None
try:
opt = SolverFactory(obj.name, solver_io=obj.io)
except:
pass
if opt is None or isinstance(opt, UnknownSolver):
obj.available = False
elif (obj.name == "gurobi") and (not GUROBISHELL.license_is_valid()):
obj.available = False
elif (obj.name == "baron") and (not BARONSHELL.license_is_valid()):
obj.available = False
else:
obj.available = (opt.available(exception_flag=False)) and (
(not hasattr(opt, "executable")) or (opt.executable() is not None)
)
#
# Check capabilities
#
if obj.available:
for _c in obj.capabilities:
if not _c in opt._capabilities:
raise ValueError("Solver %s does not support capability %s!" % (obj.name, _c))
#
# Get version
#
obj.version = opt.version()
return obj
def initialize(**kwds):
obj = Options(**kwds)
#
# Set obj.available
#
opt = None
try:
opt = SolverFactory(obj.name, solver_io=obj.io)
except:
pass
if opt is None or isinstance(opt, UnknownSolver):
obj.available = False
elif (obj.name == "gurobi") and \
(not GUROBISHELL.license_is_valid()):
obj.available = False
elif (obj.name == "baron") and \
(not BARONSHELL.license_is_valid()):
obj.available = False
else:
obj.available = \
(opt.available(exception_flag=False)) and \
((not hasattr(opt,'executable')) or \
(opt.executable() is not None))
#
# Check capabilities
#
if obj.available:
for _c in obj.capabilities:
if not _c in opt._capabilities:
raise ValueError("Solver %s does not support capability %s!" % (obj.name, _c))
#
# Get version
#
obj.version = opt.version()
return obj
def initialize(**kwds):
obj = Options(**kwds)
#
# Set the limits for the solver's "demo" (unlicensed) mode:
# ( nVars, nCons, nNonZeros )
obj.demo_limits = (None, None, None)
if (obj.name == "baron") and \
(not BARONSHELL.license_is_valid()):
obj.demo_limits = (10, 10, 50)
#
#
# Set obj.available
#
opt = None
try:
opt = SolverFactory(obj.name, solver_io=obj.io)
except:
pass
if opt is None or isinstance(opt, UnknownSolver):
obj.available = False
elif (obj.name == "gurobi") and \
(not GUROBISHELL.license_is_valid()):
obj.available = False
elif (obj.name == "mosek") and \
(not MosekDirect.license_is_valid()):
obj.available = False
else:
obj.available = \
(opt.available(exception_flag=False)) and \
((not hasattr(opt,'executable')) or \
(opt.executable() is not None))
#
# Check capabilities, even if the solver is not available
#
if not (opt is None or isinstance(opt, UnknownSolver)):
for _c in obj.capabilities:
if not _c in opt._capabilities:
raise ValueError("Solver %s does not support capability %s!" %
(obj.name, _c))
#
# Get version
#
if obj.available:
obj.version = opt.version()
return obj
