discrete_optimization/knapsack/solverJava.py
2019-11-24 13:28:23 -05:00

38 lines
948 B
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
import os
from subprocess import Popen, PIPE
def solve_it(input_data):
# Writes the inputData to a temporay file
tmp_file_name = 'tmp.data'
tmp_file = open(tmp_file_name, 'w')
tmp_file.write(input_data)
tmp_file.close()
# Runs the command: java Solver -file=tmp.data
process = Popen(['java', 'Solver', '-file=' + tmp_file_name], stdout=PIPE)
(stdout, stderr) = process.communicate()
# removes the temporay file
os.remove(tmp_file_name)
return stdout.strip()
import sys
if __name__ == '__main__':
if len(sys.argv) > 1:
file_location = sys.argv[1].strip()
with open(file_location, 'r') as input_data_file:
input_data = input_data_file.read()
print solve_it(input_data)
else:
print('This test requires an input file. Please select one from the data directory. (i.e. python solver.py ./data/ks_4_0)')