# limitations under the License.
from __future__ import absolute_import
import logging
from optlang._version import get_versions
from optlang.util import list_available_solvers
from optlang.interface import statuses
import optlang.duality
__version__ = get_versions()['version']
del get_versions
log = logging.getLogger(__name__)
available_solvers = list_available_solvers()
# Load classes from preferred solver interface
if available_solvers['CPLEX']:
from optlang.cplex_interface import Model, Variable, Constraint, Objective
elif available_solvers["GUROBI"]:
from optlang.gurobi_interface import Model, Variable, Constraint, Objective
elif available_solvers['GLPK']:
from optlang.glpk_interface import Model, Variable, Constraint, Objective
elif available_solvers['SCIPY']:
from optlang.scipy_interface import Model, Variable, Constraint, Objective
else:
log.error('No solvers available.')
# Import all available solver interfaces
if available_solvers['GLPK']:
def test_list_available_solvers():
solvers = list_available_solvers()
for solver, boolean in six.iteritems(solvers):
assert boolean is True or boolean is False
def test_list_available_solvers():
solvers = list_available_solvers()
for solver, boolean in six.iteritems(solvers):
assert boolean is True or boolean is False