diffusers/pipelines/stable_diffusion_k_diffusion/__init__.py

from typing import TYPE_CHECKING

from ...utils import (
    DIFFUSERS_SLOW_IMPORT,
    OptionalDependencyNotAvailable,
    _LazyModule,
    get_objects_from_module,
    is_k_diffusion_available,
    is_k_diffusion_version,
    is_torch_available,
    is_transformers_available,
)


_dummy_objects = {}
_import_structure = {}


try:
    if not (
        is_transformers_available()
        and is_torch_available()
        and is_k_diffusion_available()
        and is_k_diffusion_version(">=", "0.0.12")
    ):
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    from ...utils import dummy_torch_and_transformers_and_k_diffusion_objects  # noqa F403

    _dummy_objects.update(get_objects_from_module(dummy_torch_and_transformers_and_k_diffusion_objects))
else:
    _import_structure["pipeline_stable_diffusion_k_diffusion"] = ["StableDiffusionKDiffusionPipeline"]
    _import_structure["pipeline_stable_diffusion_xl_k_diffusion"] = ["StableDiffusionXLKDiffusionPipeline"]

if TYPE_CHECKING or DIFFUSERS_SLOW_IMPORT:
    try:
        if not (
            is_transformers_available()
            and is_torch_available()
            and is_k_diffusion_available()
            and is_k_diffusion_version(">=", "0.0.12")
        ):
            raise OptionalDependencyNotAvailable()

    except OptionalDependencyNotAvailable:
        from ...utils.dummy_torch_and_transformers_and_k_diffusion_objects import *
    else:
        from .pipeline_stable_diffusion_k_diffusion import StableDiffusionKDiffusionPipeline
        from .pipeline_stable_diffusion_xl_k_diffusion import StableDiffusionXLKDiffusionPipeline

else:
    import sys

    sys.modules[__name__] = _LazyModule(
        __name__,
        globals()["__file__"],
        _import_structure,
        module_spec=__spec__,
    )

    for name, value in _dummy_objects.items():
        setattr(sys.modules[__name__], name, value)