61 lines
1.4 KiB
Python
Executable File
61 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python3
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from google.protobuf import text_format
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from ortools.linear_solver import pywraplp
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from ortools.linear_solver import linear_solver_pb2
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import sys
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import types
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def Sum(arg):
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if type(arg) is types.GeneratorType:
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arg = [x for x in arg]
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sum = 0
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for i in arg:
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sum += i
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print('sum(%s) = %d' % (str(arg), sum))
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def test_sum_no_brackets():
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Sum(x for x in range(10) if x % 2 == 0)
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Sum([x for x in range(10) if x % 2 == 0])
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text_model = """
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solver_type:CBC_MIXED_INTEGER_PROGRAMMING
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model <
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maximize:true
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variable < lower_bound:1 upper_bound:10 objective_coefficient:2 >
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variable < lower_bound:1 upper_bound:10 objective_coefficient:1 >
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constraint < lower_bound:-10000 upper_bound:4
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var_index:0
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var_index:1
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coefficient:1
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coefficient:2
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>
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>
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"""
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def test_proto():
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input_proto = linear_solver_pb2.MPModelRequest()
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text_format.Merge(text_model, input_proto)
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solver = pywraplp.Solver('solveFromProto',
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pywraplp.Solver.CBC_MIXED_INTEGER_PROGRAMMING)
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print(input_proto)
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# For now, create the model from the proto by parsing the proto
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solver.LoadModelFromProto(input_proto.model)
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solver.EnableOutput()
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solver.Solve()
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# Fill solution
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solution = linear_solver_pb2.MPSolutionResponse()
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solver.FillSolutionResponseProto(solution)
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print(solution)
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def main():
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test_sum_no_brackets()
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# test_proto()
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if __name__ == '__main__':
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main()
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