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Migration business module

mongorunway.domain.migration_business_module ¤

__all__: typing.Sequence[str] = ('MigrationBusinessModule') module-attribute ¤

MigrationBusinessModule ¤

Source code in mongorunway\domain\migration_business_module.py 
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class MigrationBusinessModule:
    __slots__: typing.Sequence[str] = (
        "_module",
        "_upgrade_process",
        "_downgrade_process",
    )

    def __init__(self, module: types.ModuleType, /) -> None:
        self._module = module
        self._upgrade_process = self._get_business_process("upgrade")
        self._downgrade_process = self._get_business_process("downgrade")

    @property
    def location(self) -> str:
        return self._module.__file__ or ""

    @property
    def description(self) -> str:
        return self._module.__doc__ or ""

    @property
    def version(self) -> int:
        return typing.cast(int, self._module.version)

    @property
    def upgrade_process(self) -> domain_migration.MigrationProcess:
        return self._upgrade_process

    @property
    def downgrade_process(self) -> domain_migration.MigrationProcess:
        return self._downgrade_process

    def get_name(self) -> str:
        *_, migration_name = self._module.__name__.split(".")
        return migration_name.strip()

    def _get_business_process(self, process_name: str, /) -> domain_migration.MigrationProcess:
        process = getattr(self._module, process_name, None)
        if process is None:
            raise ValueError(
                f"Can't find {process_name!r} process in {self.get_name()!r} migration."
            )

        return process

__slots__: typing.Sequence[str] = ('_module', '_upgrade_process', '_downgrade_process') instance-attribute class-attribute ¤

description: str property ¤

downgrade_process: domain_migration.MigrationProcess property ¤

location: str property ¤

upgrade_process: domain_migration.MigrationProcess property ¤

version: int property ¤

__init__(module) ¤

Source code in mongorunway\domain\migration_business_module.py 
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def __init__(self, module: types.ModuleType, /) -> None:
    self._module = module
    self._upgrade_process = self._get_business_process("upgrade")
    self._downgrade_process = self._get_business_process("downgrade")

get_name() ¤

Source code in mongorunway\domain\migration_business_module.py 
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def get_name(self) -> str:
    *_, migration_name = self._module.__name__.split(".")
    return migration_name.strip()