'''
@file
This is the 1st model in a series of tutorial examples. Here we show:
  - How to run a GAMSJob from file
  - How to specify the solver
  - How to run a job with a solver option file
'''

from __future__ import print_function
from gams import *
import os
import sys


if __name__ == "__main__":
    if len(sys.argv) > 1:
        ws = GamsWorkspace(system_directory = sys.argv[1])
    else:
        ws = GamsWorkspace()

    ws.gamslib("trnsport")
    
    t1 = ws.add_job_from_file("trnsport.gms")
    
    opt = ws.add_options()
    opt.all_model_types = "cplex"
    opt.optfile = 1
    opt.optdir = r"c:\tmp"
    t1.run(opt,output=sys.stdout)
    sys.stdout.flush()    
    print("Ran with Cplex and cplex.opt optfile in c:\\tmp:")
    for rec in t1.out_db["x"]:
        print("x(" + rec.key(0) + "," + rec.key(1) + "): level=" + str(rec.level) + " marginal=" + str(rec.marginal))