def run_example():
config = dict(email=email, pwd=pwd, name=name)
# client = CornFlow(url="http://127.0.0.1:5000")
client = CornFlow(url="http://34.78.205.34:5000/")
client.sign_up(**config)
client.login(email, pwd)
prob = build_pulp_problem()
# The problem data is written to an .lp file
data = prob.to_dict()
instance_id = client.create_instance(data)
config = dict(
solver="PULP_CBC_CMD",
mip=True,
msg=True,
warmStart=True,
timeLimit=10,
options=["donotexist", "thisdoesnotexist"],
keepFiles=0,
gapRel=0.1,
gapAbs=1,
threads=1,
logPath="test_export_solver_json.log",
)
execution_id = client.create_execution(instance_id, config)
status = client.get_status(execution_id)
results = client.get_solution(execution_id)
_vars, prob = pulp.LpProblem.from_dict(results["data"])
actual_vars = group_variables_by_name(_vars, ["Route", "BuildaPlant"],
replace_underscores_with_spaces=True)
actual_vars.keys()
actual_vars["BuildaPlant"]
actual_vars["Route"][("San Francisco", "Barstow")]
# The status of the solution is printed to the screen
print("Status:", pulp.LpStatus[prob.status])
# Each of the variables is printed with it's resolved optimum value
for v in prob.variables():
print(v.name, "=", v.varValue)
# The optimised objective function value is printed to the screen
print("Total Cost of Transportation = ", pulp.value(prob.objective))
# get the values for the variables:
{k: v.value() for k, v in _vars.items()}
# get the log in text format
results["log_text"]
# get the log in json format
results["log_json"]
def run_example():
server = "http://127.0.0.1:5000"
client = CornFlow(url=server)
config = dict(email=email, pwd=pwd, name=name)
a = client.sign_up(**config)
a = client.login(email, pwd)
import pulp
prob = pulp.LpProblem("test_export_dict_MIP", pulp.LpMinimize)
x = pulp.LpVariable("x", 0, 4)
y = pulp.LpVariable("y", -1, 1)
z = pulp.LpVariable("z", 0, None, pulp.LpInteger)
prob += x + 4 * y + 9 * z, "obj"
prob += x + y <= 5, "c1"
prob += x + z >= 10, "c2"
prob += -y + z == 7.5, "c3"
data = prob.toDict()
filename = "test_mps.mps"
insName = "test_export_dict_MIP"
description = "very small example"
instance = client.create_instance(data,
name=insName,
description=description)
# alternatively: send file
prob.writeMPS(filename=filename)
instance = client.create_instance_file(filename=filename,
name=insName,
description=description)
# edit the instance to give it a new name
client.put_api_for_id("instance/", instance["id"], dict(name="newName"))
# get info from an instance
info = client.get_one_instance(instance["id"])
# get all instances
info_all = client.get_all_instances()
# send an execution
config = dict(solver="PULP_CBC_CMD", timeLimit=10)
execution = client.create_execution(
instance["id"],
config,
name="execution1",
description="execution of a very small instance",
)
# check the status of the execution
status = client.get_status(execution["id"])
print(status["state"])
# get the execution solution
results = client.get_solution(execution["id"])
_vars, prob = pulp.LpProblem.from_dict(results["data"])
# get the values for the variables:
print({k: v.value() for k, v in _vars.items()})
# get the log in json format
log = client.get_log(execution["id"])
print(log["log"])
class TestCornflowClientUser(TestCase):
def setUp(self):
self.client = CornFlow(url="http://127.0.0.1:5050/")
login_result = self.client.login("user", "UserPassword1!")
self.assertIn("id", login_result.keys())
self.assertIn("token", login_result.keys())
self.user_id = login_result["id"]
def tearDown(self):
pass
def test_health_endpoint(self):
response = self.client.is_alive()
self.assertEqual(response["cornflow_status"], "healthy")
self.assertEqual(response["airflow_status"], "healthy")
def test_sign_up(self):
response = self.client.sign_up("test_username",
"*****@*****.**",
"TestPassword2!")
self.assertIn("id", response.json().keys())
self.assertIn("token", response.json().keys())
self.assertEqual(201, response.status_code)
def test_create_instance(self):
data = _load_file(PULP_EXAMPLE)
response = self.client.create_instance(data, "test_example",
"test_description")
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"executions",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual("test_example", response["name"])
self.assertEqual("solve_model_dag", response["schema"])
self.assertEqual("test_description", response["description"])
return response
def test_create_case(self):
data = _load_file(PULP_EXAMPLE)
response = self.client.create_case(
name="test_case",
schema="solve_model_dag",
data=data,
description="test_description",
)
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"solution_hash",
"path",
"updated_at",
"is_dir",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual("test_case", response["name"])
self.assertEqual("solve_model_dag", response["schema"])
self.assertEqual("test_description", response["description"])
return response
def test_create_instance_file(self):
response = self.client.create_instance_file(
_get_file("../data/test_mps.mps"),
name="test_filename",
description="filename_description",
)
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"executions",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual("test_filename", response["name"])
self.assertEqual("solve_model_dag", response["schema"])
self.assertEqual("filename_description", response["description"])
def test_create_execution(self):
instance = self.test_create_instance()
response = self.client.create_execution(
instance_id=instance["id"],
config={
"solver": "PULP_CBC_CMD",
"timeLimit": 60
},
name="test_execution",
description="execution_description",
schema="solve_model_dag",
)
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"config",
"instance_id",
"state",
"message",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(instance["id"], response["instance_id"])
self.assertEqual("test_execution", response["name"])
self.assertEqual("execution_description", response["description"])
self.assertEqual({
"solver": "PULP_CBC_CMD",
"timeLimit": 60
}, response["config"])
self.assertEqual(STATUS_NOT_SOLVED, response["state"])
return response
def test_execution_results(self):
execution = self.test_create_execution()
time.sleep(10)
response = self.client.get_results(execution["id"])
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"config",
"instance_id",
"state",
"message",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(execution["id"], response["id"])
self.assertEqual(STATUS_OPTIMAL, response["state"])
def test_execution_status(self):
execution = self.test_create_execution()
response = self.client.get_status(execution["id"])
items = ["id", "state", "message", "data_hash"]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(STATUS_NOT_SOLVED, response["state"])
time.sleep(10)
response = self.client.get_status(execution["id"])
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(STATUS_OPTIMAL, response["state"])
def test_stop_execution(self):
execution = self.test_create_execution()
response = self.client.stop_execution(execution["id"])
self.assertEqual(response["message"], "The execution has been stopped")
def test_get_execution_log(self):
execution = self.test_create_execution()
response = self.client.get_log(execution["id"])
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"config",
"instance_id",
"state",
"message",
"log",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(execution["id"], response["id"])
def test_get_execution_solution(self):
execution = self.test_create_execution()
time.sleep(10)
response = self.client.get_solution(execution["id"])
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"config",
"instance_id",
"state",
"message",
"data",
"checks",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(execution["id"], response["id"])
self.assertEqual(STATUS_OPTIMAL, response["state"])
return response
def test_create_case_execution(self):
execution = self.test_get_execution_solution()
response = self.client.create_case(
name="case_from_solution",
schema="solve_model_dag",
description="case_from_solution_description",
solution=execution["data"],
)
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"solution_hash",
"path",
"updated_at",
"is_dir",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual("case_from_solution", response["name"])
self.assertEqual("solve_model_dag", response["schema"])
self.assertEqual("case_from_solution_description",
response["description"])
return response
def test_get_all_instances(self):
self.test_create_instance()
self.test_create_instance()
instances = self.client.get_all_instances()
self.assertGreaterEqual(len(instances), 2)
def test_get_all_executions(self):
self.test_stop_execution()
self.test_stop_execution()
executions = self.client.get_all_executions()
self.assertGreaterEqual(len(executions), 2)
def test_get_all_cases(self):
self.test_create_case()
self.test_create_case()
cases = self.client.get_all_cases()
self.assertGreaterEqual(len(cases), 2)
def test_get_one_user(self):
response = self.client.get_one_user(self.user_id)
self.assertEqual(response.status_code, 200)
items = ["id", "first_name", "last_name", "username", "email"]
for item in items:
self.assertIn(item, response.json().keys())
self.assertEqual(self.user_id, response.json()["id"])
self.assertEqual("user", response.json()["username"])
self.assertEqual("*****@*****.**", response.json()["email"])
def test_get_one_instance(self):
instance = self.test_create_instance()
response = self.client.get_one_instance(instance["id"])
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"executions",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(instance[item], response[item])
def test_get_one_case(self):
case = self.test_create_case()
response = self.client.get_one_case(case["id"])
items = [
"id",
"name",
"description",
"created_at",
"user_id",
"data_hash",
"schema",
"solution_hash",
"path",
"updated_at",
"is_dir",
]
for item in items:
self.assertIn(item, response.keys())
self.assertEqual(case[item], response[item])