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 # DB

 Last update: 16.07.2026 

<a id="compolyx.DB"></a>

### *class* compolyx.DB(\*args, \*\*kwargs)

Represents the compolyx database

Access:

```pycon
>>> import compolyx
>>> db = compolyx.DB()

```

### Attributes

NameDescription[`DB.active_model`](compolyx.DB.active_model.md#compolyx.DB.active_model)Active model.[`DB.is_dict_item`](compolyx.DB.is_dict_item.md#compolyx.DB.is_dict_item)Indicates whether the object is an item in a dictionary.[`DB.is_list_item`](compolyx.DB.is_list_item.md#compolyx.DB.is_list_item)Indicates whether the object is an item of a list.[`DB.link_path`](compolyx.DB.link_path.md#compolyx.DB.link_path)Root path of the current node in the tree for links to this object.[`DB.material_data`](compolyx.DB.material_data.md#compolyx.DB.material_data)Material database.[`DB.models`](compolyx.DB.models.md#compolyx.DB.models)Models.[`DB.name`](compolyx.DB.name.md#compolyx.DB.name)Name of the object.[`DB.parent`](compolyx.DB.parent.md#compolyx.DB.parent)Parent object in the tree.[`DB.root_path`](compolyx.DB.root_path.md#compolyx.DB.root_path)Root path of the current node in the tree.### Methods

NameDescription[`DB.clear`](compolyx.DB.clear.md#compolyx.DB.clear)()Clears the database.[`DB.clear_generated_data`](compolyx.DB.clear_generated_data.md#compolyx.DB.clear_generated_data)(\[model\])Function clears the eventually stored update results and deletes the generated data such as Production and analysis plies, solid models, etc.[`DB.close`](compolyx.DB.close.md#compolyx.DB.close)(\[model\])Closes the model.[`DB.find_parent`](compolyx.DB.find_parent.md#compolyx.DB.find_parent)(type)Steps up the tree and returns the first parent with given type.[`DB.import_model`](compolyx.DB.import_model.md#compolyx.DB.import_model)(name, path, format\[, ...\])Create a model from file.[`DB.open`](compolyx.DB.open.md#compolyx.DB.open)(path, \*\[, pre\_db, unit\_system\_type, ...\])Open an ACPH5 file.[`DB.open_h5`](compolyx.DB.open_h5.md#compolyx.DB.open_h5)(path\[, cache\_data, ...\])Load a model from an .acph5 database.[`DB.refresh_acph5`](compolyx.DB.refresh_acph5.md#compolyx.DB.refresh_acph5)(path, external\_sources\[, ...\])Refresh an .acph5 database (Workbench application mode only).[`DB.reload`](compolyx.DB.reload.md#compolyx.DB.reload)(model)Reloads the reference surface (mesh) of the model.[`DB.run_script`](compolyx.DB.run_script.md#compolyx.DB.run_script)(path\[, locals\])[`DB.save`](compolyx.DB.save.md#compolyx.DB.save)(\[path, model, cache\_data\])Save active model.[`DB.set_unit_system`](compolyx.DB.set_unit_system.md#compolyx.DB.set_unit_system)(unit\_system\_type)Set the unit system of all models opened in the database.[`DB.visit`](compolyx.DB.visit.md#compolyx.DB.visit)(visitor)Walk through the tree and let the visitor perform action on every descendant node.