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17 lines
645 B
17 lines
645 B
# MIPLearn: Extensible Framework for Learning-Enhanced Mixed-Integer Optimization
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# Copyright (C) 2020-2021, UChicago Argonne, LLC. All rights reserved.
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# Released under the modified BSD license. See COPYING.md for more details.
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import tempfile
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from miplearn.instance.picklegz import write_pickle_gz, PickleGzInstance
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from miplearn.solvers.gurobi import GurobiSolver
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def test_usage() -> None:
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original = GurobiSolver().build_test_instance_knapsack()
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file = tempfile.NamedTemporaryFile()
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write_pickle_gz(original, file.name)
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pickled = PickleGzInstance(file.name)
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pickled.load()
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assert pickled.to_model() is not None
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