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Make InternalSolver clonable

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This commit is contained in:
Alinson S. Xavier
2021-04-07 19:52:21 -05:00
parent ebccde6a03
commit 0232219a0e
12 changed files with 69 additions and 46 deletions
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7
miplearn/solvers/pyomo/gurobi.py
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@@ -32,8 +32,7 @@ class GurobiPyomoSolver(BasePyomoSolver):
) -> None:
if params is None:
params = {}
if "seed" not in params.keys():
params["seed"] = randint(low=0, high=1000).rvs()
params["seed"] = randint(low=0, high=1000).rvs()
super().__init__(
solver_factory=pe.SolverFactory("gurobi_persistent"),
params=params,
@@ -61,3 +60,7 @@ class GurobiPyomoSolver(BasePyomoSolver):
var = self._varname_to_var[varname]
gvar = self._pyomo_solver._pyomo_var_to_solver_var_map[var]
gvar.setAttr(GRB.Attr.BranchPriority, int(round(priority)))
@overrides
def clone(self) -> "GurobiPyomoSolver":
return GurobiPyomoSolver(params=self.params)