def add(self, lin_expr: "mip.LinExpr", name: str = "") -> "mip.Constr":
if not name:
name = "constr({})".format(len(self.__constrs))
new_constr = mip.Constr(self.__model, len(self.__constrs))
self.__model.solver.add_constr(lin_expr, name)
self.__constrs.append(new_constr)
return new_constr
def __getitem__(self: "VConstrList", key):
if isinstance(key, str):
return self.__model.constr_by_name(key)
elif isinstance(key, int):
return mip.Constr(self.__model, key)
elif isinstance(key, slice):
return self[key]
raise TypeError("Use int, string or slice as key")
def add(
self,
lin_expr: "mip.LinExpr",
name: str = "",
priority: "mip.constants.ConstraintPriority" = None,
) -> "mip.Constr":
if not name:
name = "constr({})".format(len(self.__constrs))
new_constr = mip.Constr(self.__model,
len(self.__constrs),
priority=priority)
self.__model.solver.add_constr(lin_expr, name)
self.__constrs.append(new_constr)
return new_constr
def update_constrs(self: "ConstrList", n_constrs: int):
self.__constrs = [
mip.Constr(self.__model, i) for i in range(n_constrs)
]