def available(self, exception_flag=False):
""" True if the solver is available """
if self._assert_available:
return True
if not OptSolver.available(self,exception_flag):
return False
try:
ans = self.executable()
except NotImplementedError:
ans = None
if ans is None:
if exception_flag:
msg = "No executable found for solver '%s'"
raise ApplicationError(msg % self.name)
return False
return True
def available(self, exception_flag=False):
""" True if the solver is available """
if self._assert_available:
return True
if not OptSolver.available(self, exception_flag):
return False
try:
# HACK: Suppress logged warnings about the executable not
# being found
cm = nullcontext() if exception_flag else LoggingIntercept()
with cm:
ans = self.executable()
except NotImplementedError:
ans = None
if ans is None:
if exception_flag:
msg = "No executable found for solver '%s'"
raise ApplicationError(msg % self.name)
return False
return True
