def pyomo(self, cmd, **kwds):
if 'root' in kwds:
OUTPUT = kwds['root'] + '.out'
results = kwds['root'] + '.jsn'
self.ofile = OUTPUT
else:
OUTPUT = StringIO()
results = 'results.jsn'
setup_redirect(OUTPUT)
os.chdir(currdir)
if type(cmd) is list:
output = main.main([
'solve', '--solver=glpk', '--results-format=json',
'--save-results=%s' % results
] + cmd,
get_return=True)
elif cmd.endswith('json') or cmd.endswith('yaml'):
output = main.main([
'solve', '--results-format=json',
'--save-results=%s' % results
] + [cmd],
get_return=True)
else:
args = re.split('[ ]+', cmd)
output = main.main([
'solve', '--solver=glpk', '--results-format=json',
'--save-results=%s' % results
] + list(args),
get_return=True)
reset_redirect()
if not 'root' in kwds:
return OUTPUT.getvalue()
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_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 pyomo(self, *args, **kwds):
if self.solve:
args=['solve']+list(args)
if 'solver' in kwds:
args.append('--solver='+kwds['solver'])
else:
args.append('--solver=glpk')
args.append('--save-results=result.yml')
else:
args=['convert']+list(args)
if 'preprocess' in kwds:
pp = kwds['preprocess']
if pp == 'bigm':
args.append('--transform=gdp.bigm')
elif pp == 'chull':
args.append('--transform=gdp.chull')
args.append('-c')
args.append('--symbolic-solver-labels')
os.chdir(currdir)
print('***')
#if pproc is not None:
# pproc.activate()
# print("Activating " + kwds['preprocess'])
#else:
# print("ERROR: no transformation activated: " + pp)
print(' '.join(args))
output = main.main(args)
#if pproc is not None:
# pproc = None
print('***')
return output
def run_pyomo(self, *args, **kwargs):
"""
Run Pyomo with the given arguments. `args` should be a list with
one argument token per string item.
"""
if not 'glpk' in solvers:
self.skipTest("GLPK is not installed")
if isinstance(args, str):
args = args.split()
args = list(map(str, args))
outputpath = kwargs.pop('outputpath',
os.path.join(exdir, 'results.jsn'))
args = [
'solve', '--solver=glpk', '--results-format=json', '-c',
'--logging=quiet', '--save-results', outputpath
] + args
old_path = os.getcwd()
os.chdir(exdir)
output = main.main(args)
os.chdir(old_path)
return outputpath
def pyomo(self, *args, **kwds):
if self.solve:
args=['solve']+list(args)
if 'solver' in kwds:
args.append('--solver='+kwds['solver'])
else:
args.append('--solver=glpk')
args.append('--save-results=result.yml')
else:
args=['convert']+list(args)
if 'preprocess' in kwds:
pp = kwds['preprocess']
if pp == 'bigm':
args.append('--transform=gdp.bigm')
elif pp == 'chull':
args.append('--transform=gdp.chull')
args.append('-c')
args.append('--symbolic-solver-labels')
os.chdir(currdir)
print('***')
#if pproc is not None:
# pproc.activate()
# print("Activating " + kwds['preprocess'])
#else:
# print("ERROR: no transformation activated: " + pp)
print(' '.join(args))
output = main.main(args)
#if pproc is not None:
# pproc = None
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 pyomo(self, cmd, **kwds):
if 'root' in kwds:
OUTPUT = kwds['root'] + '.out'
results = kwds['root'] + '.jsn'
TempfileManager.add_tempfile(OUTPUT, exists=False)
TempfileManager.add_tempfile(results, exists=False)
else:
OUTPUT = StringIO()
results = 'results.jsn'
TempfileManager.create_tempfile(suffix='results.jsn')
with capture_output(OUTPUT):
try:
_dir = os.getcwd()
os.chdir(currdir)
args = ['solve', '--solver=glpk', '--results-format=json',
'--save-results=%s' % results]
if type(cmd) is list:
args.extend(cmd)
elif cmd.endswith('json') or cmd.endswith('yaml'):
args.append(cmd)
else:
args.extend(re.split('[ ]+', cmd))
output = main.main(args)
finally:
os.chdir(_dir)
if not 'root' in kwds:
return OUTPUT.getvalue()
return output
def run_pyomo(self, *args, **kwargs):
"""
Run Pyomo with the given arguments. `args` should be a list with
one argument token per string item.
"""
if not "glpk" in solvers:
self.skipTest("GLPK is not installed")
if isinstance(args, str):
args = args.split()
args = list(map(str, args))
outputpath = kwargs.pop("outputpath", os.path.join(exdir, "results.jsn"))
args = [
"solve",
"--solver=glpk",
"--results-format=json",
"-c",
"--logging=quiet",
"--save-results",
outputpath,
] + args
old_path = os.getcwd()
os.chdir(exdir)
output = main.main(args)
os.chdir(old_path)
return outputpath
def pyomo ( self, cmd, **kwargs):
args = ['solve'] + re.split('[ ]+', cmd )
out = kwargs.get( 'file', None )
if out is None:
out = StringIO()
with capture_output(out):
os.chdir( currdir )
output = main( args )
if not 'file' in kwargs:
return output.getvalue()
return output
def pyomo(self, cmd, **kwds):
if 'root' in kwds:
OUTPUT=kwds['root']+'.out'
results=kwds['root']+'.jsn'
self.ofile = OUTPUT
else:
OUTPUT=StringIO()
results='results.jsn'
setup_redirect(OUTPUT)
os.chdir(currdir)
if type(cmd) is list:
output = main.main(['solve', '--solver=glpk', '--results-format=json', '--save-results=%s' % results] + cmd)
elif cmd.endswith('json') or cmd.endswith('yaml'):
output = main.main(['solve', '--results-format=json', '--save-results=%s' % results] + [cmd])
else:
args=re.split('[ ]+',cmd)
output = main.main(['solve', '--solver=glpk', '--results-format=json', '--save-results=%s' % results] + list(args))
reset_redirect()
if not 'root' in kwds:
return OUTPUT.getvalue()
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=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 pyomo(self, cmd, **kwds):
args=re.split('[ ]+',cmd)
if 'root' in kwds:
OUTPUT=kwds['root']+'.out'
results=kwds['root']+'.jsn'
self.ofile = OUTPUT
else:
OUTPUT=StringIO()
results='results.jsn'
setup_redirect(OUTPUT)
os.chdir(currdir)
output = main.main(['--results-format=json', '-c', '--stream-solver', '--save-results=%s' % results, '--solver=%s' % kwds['solver']] + list(args))
reset_redirect()
if not 'root' in kwds:
return OUTPUT.getvalue()
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=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 pyomo(self, cmd, **kwds):
args = re.split('[ ]+', cmd)
if 'root' in kwds:
OUTPUT = kwds['root'] + '.out'
results = kwds['root'] + '.jsn'
self.ofile = OUTPUT
else:
OUTPUT = StringIO()
results = 'results.jsn'
setup_redirect(OUTPUT)
os.chdir(currdir)
output = main.main([
'--results-format=json', '-c', '--stream-solver',
'--save-results=%s' % results,
'--solver=%s' % kwds['solver']
] + list(args))
reset_redirect()
if not 'root' in kwds:
return OUTPUT.getvalue()
return output
def run_pyomo(self, *args, **kwargs):
"""
Run Pyomo with the given arguments. `args` should be a list with
one argument token per string item.
"""
if solver['glpk'] is None:
self.skipTest("GLPK is not installed")
if isinstance(args, str):
args = args.split()
args = list(map(str, args))
outputpath = kwargs.pop('outputpath', os.path.join(exdir, 'results.jsn'))
args = ['solve', '--solver=glpk', '--results-format=json', '-c', '--logging=quiet', '--save-results', outputpath] + args
old_path = os.getcwd()
os.chdir(exdir)
output = main.main(args)
os.chdir(old_path)
return outputpath
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 run(args=None):
from pyomo.scripting.pyomo_main import main
if args is None:
return main()
else:
return main(['solve'] + args)
def pyomo(self, cmd):
os.chdir(currdir)
output = main.main(['convert', '--logging=quiet', '-c'] + cmd)
return output
def pyomo2bar(args=None):
from pyomo.scripting.pyomo_main import main
if args is None:
return main()
else:
return main(['convert', '--format=bar']+args)
def pyomo2dakota(args=None):
from pyomo.scripting.pyomo_main import main
if args is None:
return main()
else:
return main(['convert', '--format=dakota'] + args)
def pyomo(self, cmd):
os.chdir(currdir)
output = main.main(['convert', '--logging=quiet', '-c']+cmd)
return output
def pyomo2dakota(args=None):
from pyomo.scripting.pyomo_main import main
if args is None:
return main()
else:
return main(['convert','--format=dakota']+args, get_return=True)
def pyomo2bar(args=None):
from pyomo.scripting.pyomo_main import main
if args is None:
return main()
else:
return main(['convert', '--format=bar']+args, get_return=True)
def run(args=None):
from pyomo.scripting.pyomo_main import main
if args is None:
return main()
else:
return main(['solve']+args, get_return=True)