Raw communication with osl server#

This example demonstrates how to use PyOptiSLang to perform raw queries/commands on the optiSLang server using the commands and queries convenience classes.

Perform required imports#

Perform the required imports.

from pathlib import Path
import tempfile

from ansys.optislang.core import Optislang
from ansys.optislang.core import server_commands as commands
from ansys.optislang.core import server_queries as queries
import ansys.optislang.core.examples as examples
from ansys.optislang.core.project_parametric import Parameter

Create optiSLang instance#

Create the optiSLang instance.

example_path = examples.get_files("ten_bar_truss")[1][0]
tmp_dir = Path(tempfile.mkdtemp())
file_path = tmp_dir / "evaluate_design_example.opf"

osl = Optislang(project_path=example_path)
osl.save_as(file_path)

Modify root project parameters#

Use raw osl server communication to modify the first parameter on project root level.

# Get the first parameter on project root level
root_system_uid = osl.project.root_system.uid
root_system_properties = osl.get_osl_server().send_command(
    queries.actor_properties(uid=root_system_uid)
)
root_system_pm_raw = root_system_properties["properties"]["ParameterManager"]

first_parameter = Parameter.from_dict(root_system_pm_raw["parameter_container"][0])

# Print out the reference value
print(f'Parameter "{first_parameter.name}" reference value: {first_parameter.reference_value}')

# Modify the reference value
first_parameter.reference_value = 15.0

# Adapt the parameter manager to the changes and
# send the modified parameter manager back to optiSLang
root_system_pm_raw["parameter_container"][0] = first_parameter.to_dict()

server_response = osl.get_osl_server().send_command(
    commands.set_actor_property(
        actor_uid=root_system_uid, name="ParameterManager", value=root_system_pm_raw
    )
)

print(f'Modifying parameter reference value: {server_response[0]["status"]}')

# Get and print the (now modified) first parameter on project root level
root_system_properties = osl.get_osl_server().send_command(
    queries.actor_properties(uid=root_system_uid)
)
root_system_pm_raw = root_system_properties["properties"]["ParameterManager"]

modified_first_parameter = Parameter.from_dict(root_system_pm_raw["parameter_container"][0])

print(
    f'Modified parameter "{modified_first_parameter.name}" reference value: {modified_first_parameter.reference_value}'
)

Stop and cancel project#

Stop and cancel the project.

osl.dispose()

Total running time of the script: ( 0 minutes 0.000 seconds)

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