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Don't call the Hub if

* allow passing op to xFormers attention

original code by @patil-suraj
huggingface/diffusers@ae0cc0b71f28c0f2c5c27026b18f1bea98b505f1

* correct style by `make style`

* add attention_op arg documents

* add usage example to docstring
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* add usage example to docstring
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* code style correction by `make style`

* Update docstring code to a valid python example
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* Update docstring code to a valid python example
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* style correction by `make style`

* Update code exmaple to fully functional
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* [From pretrained] Don't download .safetensors files if safetensors is not available

* tests

* tests

* up

* from_flax

* oops

* oops

* make style with pip install -e ".[dev]"

* oops

* now code quality happy 😋



* allow_patterns += FLAX_WEIGHTS_NAME

* Update src/diffusers/pipelines/pipeline_utils.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* Update src/diffusers/pipelines/pipeline_utils.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* Update src/diffusers/pipelines/pipeline_utils.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* Update src/diffusers/pipelines/pipeline_utils.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* Update src/diffusers/models/modeling_utils.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* Update src/diffusers/pipelines/pipeline_utils.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* for test

* bye bye is_flax_available()

* oops

* Update src/diffusers/models/modeling_pytorch_flax_utils.py
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* Update src/diffusers/models/modeling_pytorch_flax_utils.py
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* Update src/diffusers/models/modeling_pytorch_flax_utils.py
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* Update src/diffusers/models/modeling_utils.py
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* Update src/diffusers/models/modeling_utils.py
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* make style

* add test

* finihs
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* move files a bit

* more refactors

* fix more

* more fixes

* fix more onnx

* make style

* upload

* fix

* up

* fix more

* up again

* up

* small fix

* Update src/diffusers/__init__.py
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* correct
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* Flax: Add components function

* Flax: Fix img2img and align with other pipeline

* Flax: Fix PRNGKey type

* Refactor strength to start_timestep

* Fix preprocess images

* Fix processed_images dimen

* latents.shape -> latents_shape

* Fix typo

* Remove "static" comment

* Remove unnecessary optional types in _generate

* Apply doc-builder code style.
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* allow model download when no internet

* up

* make style

* [Community pipeline] Add github mechanism

* better

* Apply suggestions from code review
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* adapt
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* Add from_pretrained usage logging

* Add classes

* add a telemetry notice

* macos

* [Community download] Fix cache dir

* up

* make attn slice recursive

* remove set_attention_slice from blocks

* fix copies

* make enable_attention_slicing base class method of DiffusionPipeline

* fix set_attention_slice

* fix set_attention_slice

* fix copies

* add tests

* up

* up

* up

* update

* up

* uP
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* Add parameter safe_serialization to DiffusionPipeline.save_pretrained

* Add option safe_serialization on ModelMixin.save_pretrained

* Add test test_save_safe_serialization

* Black

* Re-trigger the CI

* Fix doc-builder

* Validate files are saved as safetensor in test_save_safe_serialization

* Moving the mem efficiient attention activation to the top + recursive

* black, too bad there's no pre-commit ?
Co-authored-by: Benjamin Lefaudeux <benjamin@photoroom.com>

Allow returning local path

* Add heun

* Finish first version of heun

* remove bogus

* finish

* finish

* improve

* up

* up

* fix more

* change progress bar

* Update src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion.py

* finish

* up

* up

* up

* [Proposal] Support loading from safetensors if file is present.

* Style.

* Fix.

* Adding some test to check loading logic.

+ modify download logic to not download pytorch file if not necessary.

* Fixing the logic.

* Adressing comments.

* factor out into a function.

* Remove dead function.

* Typo.

* Extra fetch only if safetensors is there.

* Apply suggestions from code review
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* StableDiffusionUpscalePipeline

* fix a few things

* make it better

* fix image batching

* run vae in fp32

* fix docstr

* resize to mul of 64

* doc

* remove safety_checker

* add max_noise_level

* fix Copied

* begin tests

* slow tests

* default max_noise_level

* remove kwargs

* doc

* fix

* fix fast tests

* fix fast tests

* no sf

* don't offload vae
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* Upscaling fixed

* up

* more fixes

* fix

* more fixes

* finish again

* up

* Optional Components

* uP

* finish

* finish

* finish

* Apply suggestions from code review
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* up

* Update src/diffusers/pipeline_utils.py

* improve
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* make fix copies again

* Fix typo

* [Custom pipeline] Easier loading of local pipelines

* upgrade black

* integrate ort

* use return_dict=False

* revert unet return value change

* revert unet return value change

* add note to readme

* adjust readme

* add contact

* `make style`
Co-authored-by: Prathik Rao <prathikrao@microsoft.com>
Co-authored-by: Anton Lozhkov <anton@huggingface.co>

* add conversion script for vae

* uP

* uP

* more changes

* push

* up

* finish again

* up

* up

* up

* up

* finish

* up

* uP

* up

* Apply suggestions from code review
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>
Co-authored-by: Anton Lozhkov <anton@huggingface.co>
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* up

* up
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>
Co-authored-by: Anton Lozhkov <anton@huggingface.co>
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* [Loading] Make edge cases work

* up

* finish

* up

* Fix cpu offloading

* get offloaded devices locally for SD pipelines

* [ONNX] Improve ONNX scheduler compatibility, fix safety_checker

* typo

* Change title to match the sidebar in _toctree.

* Fix custom pipe link, add link to contribute.

* Fix community pipeline links.

Remove warning about half precision on MPS.

* finish

* finish

* Update src/diffusers/modeling_utils.py

* Update src/diffusers/pipeline_utils.py
Co-authored-by: Anton Lozhkov <anton@huggingface.co>

* more fixes

* fix
Co-authored-by: Anton Lozhkov <anton@huggingface.co>

* correct naming

* finish

* Apply suggestions from code review

* Apply suggestions from code review
Co-authored-by: Suraj Patil <surajp815@gmail.com>
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* make accelerate hard dep

* default fast init

* move params to cpu when device map is None

* handle device_map=None

* handle torch < 1.9

* remove device_map="auto"

* style

* add accelerate in torch extra

* remove accelerate from extras["test"]

* raise an error if torch is available but not accelerate

* update installation docs

* Apply suggestions from code review
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* improve defautl loading speed even further, allow disabling fats loading

* address review comments

* adapt the tests

* fix test_stable_diffusion_fast_load

* fix test_read_init

* temp fix for dummy checks

* Trigger Build

* Apply suggestions from code review
Co-authored-by: Anton Lozhkov <anton@huggingface.co>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Anton Lozhkov <anton@huggingface.co>

* Allow saving `None` pipeline components

* support flax as well

* style

* [Loading] Ignore unneeded files

* up