The MOSEK Python optimizer API manual Version 7.0 (Revision 141)

5.9. RESPONSE HANDLING 61
Note that if we want to report, e.g., that the optimizer terminated due to a time limit or because it
stalled but with a feasible solution, we have to consider both the termination code, and the solution
status.
The following pseudo code demonstrates a best practice way of dealing with the status codes.
if ( the solution status is as expected )
{
The normal case:
Do whatever that was planned. Note the response code is
ignored because the solution has the expected status.
Of course we may check the response anyway if we like.
}
else
{
Exceptional case:
Based on solution status, response and termination codes take
appropriate action.
}
In the following example the pseudo code has implemented. The idea of the example is to read
an optimization problem from a file, e.g., an MPS file and optimize it. Based on status codes an
appropriate action is taken, which in this case is to print a suitable message.
1 #
[ response.py ]
2 # Copyright: Copyright (c) MOSEK ApS, Denmark. All rights reserved.
3 #
4 # File: response.py
5 #
6 # Purpose: This examples demonstrates proper response handling.
7 #
8
9 import mosek
10 import sys
11
12 def streamprinter(text):
13 sys.stdout.write(text)
14 sys.stdout.flush()
15
16 def main(args):
17 if len(args) < 1:
18 print ("No input file specified")
19 return
20 else:
21 print ("Inputfile: %s" % args[0])
22
23 try:
24 with mosek.Env() as env:
25 with env.Task(0,0) as task:
26 task.set Stream (mosek.streamtype.log, streamprinter)
27
28 task.readdata(args[0])
29
30 trmcode = task.optimize()
31
32 solsta = task.getsolsta(mosek.soltype.itr)
33