diffusers/pipelines/cosmos/__init__.py

from typing import TYPE_CHECKING

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


_dummy_objects = {}
_import_structure = {}


try:
    if not (is_transformers_available() and is_torch_available()):
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    from ...utils import dummy_torch_and_transformers_objects  # noqa F403

    _dummy_objects.update(get_objects_from_module(dummy_torch_and_transformers_objects))
else:
    _import_structure["pipeline_cosmos2_5_predict"] = [
        "Cosmos2_5_PredictBasePipeline",
    ]
    _import_structure["pipeline_cosmos2_5_transfer"] = [
        "Cosmos2_5_TransferPipeline",
    ]
    _import_structure["pipeline_cosmos2_text2image"] = ["Cosmos2TextToImagePipeline"]
    _import_structure["pipeline_cosmos2_video2world"] = ["Cosmos2VideoToWorldPipeline"]
    _import_structure["pipeline_cosmos_text2world"] = ["CosmosTextToWorldPipeline"]
    _import_structure["pipeline_cosmos_video2world"] = ["CosmosVideoToWorldPipeline"]

if TYPE_CHECKING or DIFFUSERS_SLOW_IMPORT:
    try:
        if not (is_transformers_available() and is_torch_available()):
            raise OptionalDependencyNotAvailable()

    except OptionalDependencyNotAvailable:
        from ...utils.dummy_torch_and_transformers_objects import *
    else:
        from .pipeline_cosmos2_5_predict import (
            Cosmos2_5_PredictBasePipeline,
        )
        from .pipeline_cosmos2_5_transfer import Cosmos2_5_TransferPipeline
        from .pipeline_cosmos2_text2image import Cosmos2TextToImagePipeline
        from .pipeline_cosmos2_video2world import Cosmos2VideoToWorldPipeline
        from .pipeline_cosmos_text2world import CosmosTextToWorldPipeline
        from .pipeline_cosmos_video2world import CosmosVideoToWorldPipeline

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)