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optlang interface for the HiGHS solver #282

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optlang interface for the HiGHS solver #282

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8 changes: 7 additions & 1 deletion src/optlang/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,12 @@
except Exception:
log.error('GLPK is available but could not load with error:\n ' + str(traceback.format_exc()).strip().replace('\n','\n '))

if available_solvers['HIGHS']:
try:
from optlang import highs_interface
except Exception:
log.error('HiGHS is available but could not load with error:\n ' + str(traceback.format_exc()).strip().replace('\n','\n '))

if available_solvers['CPLEX']:
try:
from optlang import cplex_interface
Expand Down Expand Up @@ -69,7 +75,7 @@


# Go through and find the best solver that loaded. Load that one as the default
for engine_str in ['cplex_interface', 'gurobi_interface', 'glpk_interface',
for engine_str in ['cplex_interface', 'gurobi_interface', 'glpk_interface', 'highs_interface',
'hybrid_interface', 'scipy_interface', 'coinor_cbc_interface']:
# Must check globals since not all interface variables will be defined
if engine_str in globals():
Expand Down
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