wehub-resource-sync
105 lines
4.5 KiB
Python
105 lines
4.5 KiB
Python
#
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# SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import importlib
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from typing import TYPE_CHECKING
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# Expose public API while avoiding importing optional dependencies at module import time.
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# Each attribute is imported on first access via __getattr__.
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__all__ = [
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"DiffusionPipeline",
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"FluxPipeline",
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"FluxKontextPipeline",
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"StableCascadePipeline",
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"StableDiffusion3Pipeline",
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"StableDiffusion35Pipeline",
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"StableDiffusionPipeline",
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"CosmosPipeline",
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"StableVideoDiffusionPipeline",
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"WanPipeline",
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"PIPELINE_TYPE",
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]
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_LAZY_ATTRS = {
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# Core/base
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"DiffusionPipeline": ("demo_diffusion.pipeline.diffusion_pipeline", "DiffusionPipeline"),
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"PIPELINE_TYPE": ("demo_diffusion.pipeline.type", "PIPELINE_TYPE"),
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# Stable Diffusion family
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"StableDiffusionPipeline": ("demo_diffusion.pipeline.stable_diffusion_pipeline", "StableDiffusionPipeline"),
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"StableDiffusion3Pipeline": ("demo_diffusion.pipeline.stable_diffusion_3_pipeline", "StableDiffusion3Pipeline"),
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"StableDiffusion35Pipeline": ("demo_diffusion.pipeline.stable_diffusion_35_pipeline", "StableDiffusion35Pipeline"),
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# Stable Cascade
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"StableCascadePipeline": ("demo_diffusion.pipeline.stable_cascade_pipeline", "StableCascadePipeline"),
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# Stable Video Diffusion
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"StableVideoDiffusionPipeline": ("demo_diffusion.pipeline.stable_video_diffusion_pipeline", "StableVideoDiffusionPipeline"),
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# Flux family (optional dependency: `flux`)
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"FluxPipeline": ("demo_diffusion.pipeline.flux_pipeline", "FluxPipeline"),
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"FluxKontextPipeline": ("demo_diffusion.pipeline.flux_pipeline", "FluxKontextPipeline"),
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# Cosmos (optional dependency: `flux`)
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"CosmosPipeline": ("demo_diffusion.pipeline.cosmos_pipeline", "CosmosPipeline"),
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# Wan
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"WanPipeline": ("demo_diffusion.pipeline.wan_pipeline", "WanPipeline"),
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}
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def __getattr__(name):
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if name not in _LAZY_ATTRS:
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raise AttributeError(f"module 'demo_diffusion.pipeline' has no attribute {name!r}")
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module_path, attr_name = _LAZY_ATTRS[name]
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try:
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module = importlib.import_module(module_path)
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except ModuleNotFoundError as e:
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missing_pkg = e.name or "<unknown>"
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raise ModuleNotFoundError(
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f"Optional dependency '{missing_pkg}' is required for '{name}'. "
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"Install the appropriate extras/requirements for the selected pipeline "
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"(e.g., use the non-legacy requirements for Flux/Cosmos), or install the missing package."
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) from e
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try:
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return getattr(module, attr_name)
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except AttributeError as e:
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raise AttributeError(
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f"'{module_path}' does not export attribute '{attr_name}' (while resolving '{name}')."
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) from e
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if TYPE_CHECKING:
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from demo_diffusion.pipeline.diffusion_pipeline import DiffusionPipeline as DiffusionPipeline
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from demo_diffusion.pipeline.type import PIPELINE_TYPE as PIPELINE_TYPE
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from demo_diffusion.pipeline.stable_diffusion_pipeline import (
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StableDiffusionPipeline as StableDiffusionPipeline,
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)
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from demo_diffusion.pipeline.stable_diffusion_3_pipeline import (
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StableDiffusion3Pipeline as StableDiffusion3Pipeline,
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)
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from demo_diffusion.pipeline.stable_diffusion_35_pipeline import (
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StableDiffusion35Pipeline as StableDiffusion35Pipeline,
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)
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from demo_diffusion.pipeline.stable_cascade_pipeline import (
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StableCascadePipeline as StableCascadePipeline,
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)
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from demo_diffusion.pipeline.stable_video_diffusion_pipeline import (
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StableVideoDiffusionPipeline as StableVideoDiffusionPipeline,
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)
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# Optional pipelines
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from demo_diffusion.pipeline.flux_pipeline import (
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FluxPipeline as FluxPipeline,
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FluxKontextPipeline as FluxKontextPipeline,
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)
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from demo_diffusion.pipeline.cosmos_pipeline import CosmosPipeline as CosmosPipeline
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from demo_diffusion.pipeline.wan_pipeline import WanPipeline as WanPipeline
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