venvstacks.stacks.LayerEnvBase¶

class venvstacks.stacks.LayerEnvBase(_env_spec: ~venvstacks.stacks.LayerSpecBase, build_path: ~pathlib.Path, requirements_path: ~pathlib.Path, source_filter: ~venvstacks._source_tree.SourceTreeContentFilter, build_platform: ~venvstacks.stacks.TargetPlatforms = <factory>)¶

Common base class for layer build environment implementations.

Methods

`create_environment`([clean])	Create or update specified environment.
`define_archive_build`(output_path, ...[, ...])	Define an archive build request for this environment.
`get_constraint_paths`()	Get the lower level layer constraints imposed on this environment.
`install_requirements`()	Install the locked layer requirements into this environment.
`lock_requirements`([lock_time])	Transitively lock the requirements for this environment.
`needs_build`()	Returns true if the build environment needs to be created or updated.
`needs_lock`([lock_time])	Returns true if this environment needs to be locked.
`report_python_site_details`()	Print the results of running `python -m site` in this environment.
`request_export`(output_path[, ...])	Define a local export request for this environment.
`select_operations`([lock, build, publish, ...])	Enable the selected operations for this environment.

Attributes

`category`
`env_name`	The name of this environment in the build folder.
`env_spec`	Layer specification for this environment.
`install_target`	The environment name used for this layer when deployed.
`kind`
`want_build`
`want_lock`
`want_publish`
`was_built`
`was_created`
`build_path`
`requirements_path`
`index_config`	The package index configuration used to lock and build this layer.
`env_path`
`pylib_path`
`dynlib_path`
`executables_path`
`python_path`
`env_lock`
`base_python_path`
`tools_python_path`
`py_version`