def run_bilevel(self, *_args, **kwds):
if self.solve:
args = ['solve']
_solver = kwds.get('solver','glpk')
args.append('--solver=%s' % _solver)
args.append('--save-results=result.yml')
args.append('--results-format=json')
else:
args = ['convert']
if 'transform' in kwds:
args.append('--transform=%s' % kwds['transform'])
args.append('-c')
args.append('--symbolic-solver-labels')
args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir='+currdir)
args.append('--keepfiles')
args.append('--debug')
args.append('--logging=verbose')
args = args + list(_args)
os.chdir(currdir)
print('***')
#print(' '.join(args))
output = main.main(args)
try:
output = main.main(args)
except:
output = None
cleanup()
print('***')
return output
def run_solver(self, *_args, **kwds):
if self.solve:
args = ['solve']
args.append('--solver=' + self.solver)
args.append('--save-results=result.yml')
args.append('--results-format=yaml')
args.append(
'--solver-options="lemke_start=automatic output_options=yes"')
else:
args = ['convert']
args.append('-c')
args.append('--symbolic-solver-labels')
args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir=' + currdir)
args.append('--keepfiles')
args.append('--logging=debug')
args = args + list(_args)
os.chdir(currdir)
print('***')
print(' '.join(args))
try:
output = pyomo_main.main(args)
except SystemExit:
output = None
except:
output = None
raise
cleanup()
print('***')
return output
def run_solver(self, *_args, **kwds):
if self.solve:
args = ["solve"]
args.append("--solver=" + self.solver)
args.append("--save-results=result.yml")
args.append("--results-format=yaml")
args.append('--solver-options="lemke_start=automatic output_options=yes"')
else:
args = ["convert"]
args.append("-c")
args.append("--symbolic-solver-labels")
args.append("--file-determinism=2")
if False:
args.append("--stream-solver")
args.append("--tempdir=" + currdir)
args.append("--keepfiles")
args.append("--logging=debug")
args = args + list(_args)
os.chdir(currdir)
print("***")
print(" ".join(args))
try:
output = pyomo_main.main(args)
except SystemExit:
output = None
except:
output = None
raise
cleanup()
print("***")
return output
def run_bilevel(self, *_args, **kwds):
if self.solve:
args = ['solve']
_solver = kwds.get('solver','glpk')
args.append('--solver=%s' % _solver)
args.append('--save-results=result.yml')
args.append('--results-format=json')
else:
args = ['convert']
if 'transform' in kwds:
args.append('--transform=%s' % kwds['transform'])
args.append('-c')
args.append('--symbolic-solver-labels')
args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir='+currdir)
args.append('--keepfiles')
args.append('--debug')
args.append('--logging=verbose')
args = args + list(_args)
os.chdir(currdir)
print('***')
#print(' '.join(args))
output = main.main(args)
try:
output = main.main(args)
except:
output = None
cleanup()
print('***')
return output
def run_solver(self, *_args, **kwds):
if self.solve:
args = ['solve']
args.append('--solver='+self.solver)
args.append('--save-results=result.yml')
args.append('--results-format=yaml')
args.append('--solver-options="lemke_start=automatic output_options=yes"')
else:
args = ['convert']
args.append('-c')
args.append('--symbolic-solver-labels')
args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir='+currdir)
args.append('--keepfiles')
args.append('--logging=debug')
args = args + list(_args)
os.chdir(currdir)
print('***')
print(' '.join(args))
try:
output = pyomo_main.main(args)
except SystemExit:
output = None
except:
output = None
raise
cleanup()
print('***')
return output
def test_pyomo_command(self):
results = os.path.join(currdir, 'result.yml')
args = [
os.path.join(currdir, 't1.py'),
'--solver-manager=neos',
'--solver=cbc',
'--symbolic-solver-labels',
'--save-results=%s' % results,
'-c',
]
try:
output = main.run(args)
self.assertEqual(output.errorcode, 0)
with open(results) as FILE:
data = yaml.load(FILE, **yaml_load_args)
self.assertEqual(data['Solver'][0]['Status'], 'ok')
self.assertAlmostEqual(data['Solution'][1]['Status'], 'optimal')
self.assertAlmostEqual(
data['Solution'][1]['Objective']['o']['Value'], 1)
self.assertAlmostEqual(
data['Solution'][1]['Variable']['x']['Value'], 0.5)
finally:
cleanup()
os.remove(results)
def test_pyomo_command(self):
results = os.path.join(currdir, 'result.yml')
args = [
os.path.join(currdir,'t1.py'),
'--solver-manager=neos',
'--solver=cbc',
'--symbolic-solver-labels',
'--save-results=%s' % results,
'-c',
]
try:
output = main.run(args)
self.assertEqual(output.errorcode, 0)
with open(results) as FILE:
data = yaml.load(FILE)
self.assertEqual(
data['Solver'][0]['Status'], 'ok')
self.assertAlmostEqual(
data['Solution'][1]['Status'], 'optimal')
self.assertAlmostEqual(
data['Solution'][1]['Objective']['o']['Value'], 1)
self.assertAlmostEqual(
data['Solution'][1]['Variable']['x']['Value'], 0.5)
finally:
cleanup()
os.remove(results)
def run_bilevel(self, *_args, **kwds):
if self.solve:
args = ['solve']
if 'solver' in kwds:
_solver = kwds.get('solver', 'glpk')
args.append('--solver=bilevel_ld')
args.append('--solver-options="solver=%s"' % _solver)
args.append('--save-results=result.yml')
args.append('--results-format=yaml')
else:
args = ['convert']
if 'preprocess' in kwds:
# args.append('--solver=glpk')
pp = kwds['preprocess']
if pp == 'linear_dual':
args.append('--transform=bilevel.linear_dual')
args.append('-c')
# These were being ignored by the solvers for this package,
# which now causes a helpful error message.
# I've manually inserted them into those tests that need them to pass
# (which is where they also get used)
# args.append('--symbolic-solver-labels')
# args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir=' + currdir)
args.append('--keepfiles')
args.append('--logging=debug')
args = args + list(_args)
_cwd = os.getcwd()
print('***')
# print(' '.join(args))
try:
os.chdir(currdir)
output = pyomo_main.main(args)
except SystemExit:
output = None
except:
output = None
raise
finally:
os.chdir(_cwd)
cleanup()
print('***')
return output
def _run(self, opt, constrained=True):
expected_y = {
(pyo.minimize, True): -1,
(pyo.maximize, True): 1,
(pyo.minimize, False): -10,
(pyo.maximize, False): 10,
}[self.sense, constrained]
filename = 'model_min_lp.py' if self.sense == pyo.minimize \
else 'model_max_lp.py'
results = os.path.join(currdir, 'result.json')
args = [
'solve',
os.path.join(currdir, filename),
'--solver-manager=neos',
'--solver=%s' % opt,
'--logging=quiet',
'--save-results=%s' % results,
'--results-format=json',
'-c'
]
try:
output = main(args)
self.assertEqual(output.errorcode, 0)
with open(results) as FILE:
data = json.load(FILE)
finally:
cleanup()
if os.path.exists(results):
os.remove(results)
self.assertEqual(
data['Solver'][0]['Status'], 'ok')
self.assertEqual(
data['Solution'][1]['Status'], 'optimal')
self.assertAlmostEqual(
data['Solution'][1]['Objective']['obj']['Value'],
expected_y, delta=1e-5)
if constrained:
# If the solver ignores constraints, x is degenerate
self.assertAlmostEqual(
data['Solution'][1]['Variable']['x']['Value'],
1, delta=1e-5)
self.assertAlmostEqual(
data['Solution'][1]['Variable']['y']['Value'],
expected_y, delta=1e-5)
def run_bilevel(self, *_args, **kwds):
if self.solve:
args = ['solve']
if 'solver' in kwds:
_solver = kwds.get('solver','glpk')
args.append('--solver=bilevel_ld')
args.append('--solver-options="solver=%s"' % _solver)
args.append('--save-results=result.yml')
args.append('--results-format=yaml')
else:
args = ['convert']
if 'preprocess' in kwds:
#args.append('--solver=glpk')
pp = kwds['preprocess']
if pp == 'linear_dual':
args.append('--transform=bilevel.linear_dual')
args.append('-c')
# These were being ignored by the solvers for this package,
# which now causes a helpful error message.
# I've manually inserted them into those tests that need them to pass
# (which is where they also get used)
#args.append('--symbolic-solver-labels')
#args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir='+currdir)
args.append('--keepfiles')
args.append('--logging=debug')
args = args + list(_args)
os.chdir(currdir)
print('***')
#print(' '.join(args))
try:
output = pyomo_main.main(args)
except SystemExit:
output = None
except:
output = None
raise
cleanup()
print('***')
return output
def run_bilevel(self, *_args, **kwds):
if self.solve:
args = ['solve']
if 'solver' in kwds:
_solver = kwds.get('solver', 'glpk')
args.append('--solver=' + self.solver)
args.append('--solver-options="solver=%s"' % _solver)
args.append('--save-results=result.yml')
args.append('--results-format=yaml')
else:
args = ['convert']
if 'preprocess' in kwds:
pp = kwds['preprocess']
if pp == 'linear_mpec':
args.append('--transform=bilevel.linear_mpec')
args.append('-c')
# These were being ignored by the solvers for this package,
# which now causes a helpful error message
#args.append('--symbolic-solver-labels')
#args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir=' + currdir)
args.append('--keepfiles')
args.append('--logging=debug')
args = args + list(_args)
os.chdir(currdir)
print('***')
#print(' '.join(args))
try:
output = pyomo_main.main(args)
except SystemExit:
output = None
except:
output = None
raise
cleanup()
print('***')
return output
def run_solver(self, *_args, **kwds):
if self.solve:
args = ['solve']
if 'solver' in kwds:
_solver = kwds.get('solver','glpk')
args.append('--solver='+self.solver)
args.append('--solver-options="solver=%s"' % _solver)
args.append('--save-results=result.yml')
args.append('--results-format=yaml')
else:
args = ['convert']
args.append('-c')
# These were being ignored by the solvers for this package,
# which now causes a helpful error message.
#args.append('--symbolic-solver-labels')
#args.append('--file-determinism=2')
if False:
args.append('--stream-solver')
args.append('--tempdir='+currdir)
args.append('--keepfiles')
args.append('--logging=debug')
args = args + list(_args)
os.chdir(currdir)
print('***')
#print(' '.join(args))
try:
output = pyomo_main.main(args)
except SystemExit:
output = None
except:
output = None
raise
cleanup()
print('***')
return output
def pyomo(self, *args, **kwds):
args=list(args)
args.append('--solver-manager=neos')
args.append('-c')
if 'solver' in kwds:
args.append('--solver='+kwds['solver'])
args.append('--symbolic-solver-labels')
args.append('--save-results=result.yml')
#args.append('--tempdir='+currdir)
#args.append('--keepfiles')
#args.append('--debug')
#args.append('--verbose')
os.chdir(currdir)
print('***')
print(' '.join(args))
try:
output = main.run(args)
except:
output = None
cleanup()
print('***')
return output
def pyomo(self, *args, **kwds):
args=list(args)
args.append('--solver-manager=neos')
args.append('-c')
if 'solver' in kwds:
args.append('--solver='+kwds['solver'])
args.append('--symbolic-solver-labels')
args.append('--save-results=result.yml')
#args.append('--tempdir='+currdir)
#args.append('--keepfiles')
#args.append('--debug')
#args.append('--verbose')
os.chdir(currdir)
print('***')
print(' '.join(args))
try:
output = main.run(args)
except:
output = None
cleanup()
print('***')
return output
