| | import hashlib |
| | import os |
| | import urllib |
| | import warnings |
| | from functools import partial |
| | from typing import Dict, Union |
| |
|
| | from tqdm import tqdm |
| |
|
| | from .version import __version__ |
| |
|
| | try: |
| | from huggingface_hub import hf_hub_download |
| | hf_hub_download = partial(hf_hub_download, library_name="open_clip", library_version=__version__) |
| | _has_hf_hub = True |
| | except ImportError: |
| | hf_hub_download = None |
| | _has_hf_hub = False |
| |
|
| |
|
| | def _pcfg(url='', hf_hub='', mean=None, std=None): |
| | return dict( |
| | url=url, |
| | hf_hub=hf_hub, |
| | mean=mean, |
| | std=std, |
| | ) |
| |
|
| |
|
| | _RN50 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/afeb0e10f9e5a86da6080e35cf09123aca3b358a0c3e3b6c78a7b63bc04b6762/RN50.pt"), |
| | yfcc15m=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/rn50-quickgelu-yfcc15m-455df137.pt"), |
| | cc12m=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/rn50-quickgelu-cc12m-f000538c.pt"), |
| | ) |
| |
|
| | _RN50_quickgelu = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/afeb0e10f9e5a86da6080e35cf09123aca3b358a0c3e3b6c78a7b63bc04b6762/RN50.pt"), |
| | yfcc15m=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/rn50-quickgelu-yfcc15m-455df137.pt"), |
| | cc12m=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/rn50-quickgelu-cc12m-f000538c.pt"), |
| | ) |
| |
|
| | _RN101 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/8fa8567bab74a42d41c5915025a8e4538c3bdbe8804a470a72f30b0d94fab599/RN101.pt"), |
| | yfcc15m=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/rn101-quickgelu-yfcc15m-3e04b30e.pt"), |
| | ) |
| |
|
| | _RN101_quickgelu = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/8fa8567bab74a42d41c5915025a8e4538c3bdbe8804a470a72f30b0d94fab599/RN101.pt"), |
| | yfcc15m=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/rn101-quickgelu-yfcc15m-3e04b30e.pt"), |
| | ) |
| |
|
| | _RN50x4 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/7e526bd135e493cef0776de27d5f42653e6b4c8bf9e0f653bb11773263205fdd/RN50x4.pt"), |
| | ) |
| |
|
| | _RN50x16 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/52378b407f34354e150460fe41077663dd5b39c54cd0bfd2b27167a4a06ec9aa/RN50x16.pt"), |
| | ) |
| |
|
| | _RN50x64 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/be1cfb55d75a9666199fb2206c106743da0f6468c9d327f3e0d0a543a9919d9c/RN50x64.pt"), |
| | ) |
| |
|
| | _VITB32 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/40d365715913c9da98579312b702a82c18be219cc2a73407c4526f58eba950af/ViT-B-32.pt"), |
| | laion400m_e31=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_32-quickgelu-laion400m_e31-d867053b.pt"), |
| | laion400m_e32=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_32-quickgelu-laion400m_e32-46683a32.pt"), |
| | laion2b_e16=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_32-laion2b_e16-af8dbd0c.pth"), |
| | laion2b_s34b_b79k=_pcfg(hf_hub='laion/CLIP-ViT-B-32-laion2B-s34B-b79K/') |
| | ) |
| |
|
| | _VITB32_quickgelu = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/40d365715913c9da98579312b702a82c18be219cc2a73407c4526f58eba950af/ViT-B-32.pt"), |
| | laion400m_e31=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_32-quickgelu-laion400m_e31-d867053b.pt"), |
| | laion400m_e32=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_32-quickgelu-laion400m_e32-46683a32.pt"), |
| | ) |
| |
|
| | _VITB16 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/5806e77cd80f8b59890b7e101eabd078d9fb84e6937f9e85e4ecb61988df416f/ViT-B-16.pt"), |
| | laion400m_e31=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_16-laion400m_e31-00efa78f.pt"), |
| | laion400m_e32=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_16-laion400m_e32-55e67d44.pt"), |
| | |
| | |
| | |
| | |
| | |
| | |
| | laion2b_s34b_b88k=_pcfg(hf_hub='laion/CLIP-ViT-B-16-laion2B-s34B-b88K/'), |
| | ) |
| |
|
| | _VITB16_PLUS_240 = dict( |
| | laion400m_e31=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_16_plus_240-laion400m_e31-8fb26589.pt"), |
| | laion400m_e32=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_b_16_plus_240-laion400m_e32-699c4b84.pt"), |
| | ) |
| |
|
| | _VITL14 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/b8cca3fd41ae0c99ba7e8951adf17d267cdb84cd88be6f7c2e0eca1737a03836/ViT-L-14.pt"), |
| | laion400m_e31=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_l_14-laion400m_e31-69988bb6.pt"), |
| | laion400m_e32=_pcfg( |
| | "https://github.com/mlfoundations/open_clip/releases/download/v0.2-weights/vit_l_14-laion400m_e32-3d133497.pt"), |
| | laion2b_s32b_b82k=_pcfg( |
| | hf_hub='laion/CLIP-ViT-L-14-laion2B-s32B-b82K/', |
| | mean=(0.5, 0.5, 0.5), std=(0.5, 0.5, 0.5)), |
| | ) |
| |
|
| | _VITL14_336 = dict( |
| | openai=_pcfg( |
| | "https://openaipublic.azureedge.net/clip/models/3035c92b350959924f9f00213499208652fc7ea050643e8b385c2dac08641f02/ViT-L-14-336px.pt"), |
| | ) |
| |
|
| | _VITH14 = dict( |
| | laion2b_s32b_b79k=_pcfg(hf_hub='laion/CLIP-ViT-H-14-laion2B-s32B-b79K/'), |
| | ) |
| |
|
| | _VITg14 = dict( |
| | laion2b_s12b_b42k=_pcfg(hf_hub='laion/CLIP-ViT-g-14-laion2B-s12B-b42K/'), |
| | laion2b_s34b_b88k=_pcfg(hf_hub='laion/CLIP-ViT-g-14-laion2B-s34B-b88K/'), |
| | ) |
| |
|
| | _VITbigG14 = dict( |
| | laion2b_s39b_b160k=_pcfg(hf_hub='laion/CLIP-ViT-bigG-14-laion2B-39B-b160k/'), |
| | ) |
| |
|
| | _robertaViTB32 = dict( |
| | laion2b_s12b_b32k=_pcfg(hf_hub='laion/CLIP-ViT-B-32-roberta-base-laion2B-s12B-b32k/'), |
| | ) |
| |
|
| | _xlmRobertaBaseViTB32 = dict( |
| | laion5b_s13b_b90k=_pcfg(hf_hub='laion/CLIP-ViT-B-32-xlm-roberta-base-laion5B-s13B-b90k/'), |
| | ) |
| |
|
| | _xlmRobertaLargeFrozenViTH14 = dict( |
| | frozen_laion5b_s13b_b90k=_pcfg(hf_hub='laion/CLIP-ViT-H-14-frozen-xlm-roberta-large-laion5B-s13B-b90k/'), |
| | ) |
| |
|
| | _convnext_base = dict( |
| | laion400m_s13b_b51k=_pcfg(hf_hub='laion/CLIP-convnext_base-laion400M-s13B-b51K/'), |
| | ) |
| |
|
| | _convnext_base_w = dict( |
| | laion2b_s13b_b82k=_pcfg(hf_hub='laion/CLIP-convnext_base_w-laion2B-s13B-b82K/'), |
| | laion2b_s13b_b82k_augreg=_pcfg(hf_hub='laion/CLIP-convnext_base_w-laion2B-s13B-b82K-augreg/'), |
| | laion_aesthetic_s13b_b82k=_pcfg(hf_hub='laion/CLIP-convnext_base_w-laion_aesthetic-s13B-b82K/'), |
| | ) |
| |
|
| | _convnext_base_w_320 = dict( |
| | laion_aesthetic_s13b_b82k=_pcfg(hf_hub='laion/CLIP-convnext_base_w_320-laion_aesthetic-s13B-b82K/'), |
| | laion_aesthetic_s13b_b82k_augreg=_pcfg(hf_hub='laion/CLIP-convnext_base_w_320-laion_aesthetic-s13B-b82K-augreg/'), |
| | ) |
| |
|
| | _convnext_large_d = dict( |
| | laion2b_s26b_b102k_augreg=_pcfg(hf_hub='laion/CLIP-convnext_large_d.laion2B-s26B-b102K-augreg/'), |
| | ) |
| |
|
| | _convnext_large_d_320 = dict( |
| | laion2b_s29b_b131k_ft=_pcfg(hf_hub='laion/CLIP-convnext_large_d_320.laion2B-s29B-b131K-ft/'), |
| | laion2b_s29b_b131k_ft_soup=_pcfg(hf_hub='laion/CLIP-convnext_large_d_320.laion2B-s29B-b131K-ft-soup/'), |
| | ) |
| |
|
| | _convnext_xxlarge = dict( |
| | laion2b_s34b_b82k_augreg=_pcfg(hf_hub='laion/CLIP-convnext_xxlarge-laion2B-s34B-b82K-augreg/'), |
| | laion2b_s34b_b82k_augreg_rewind=_pcfg(hf_hub='laion/CLIP-convnext_xxlarge-laion2B-s34B-b82K-augreg-rewind/'), |
| | laion2b_s34b_b82k_augreg_soup=_pcfg(hf_hub='laion/CLIP-convnext_xxlarge-laion2B-s34B-b82K-augreg-soup/'), |
| | ) |
| |
|
| | _coca_VITB32 = dict( |
| | laion2b_s13b_b90k=_pcfg(hf_hub='laion/CoCa-ViT-B-32-laion2B-s13B-b90k/'), |
| | mscoco_finetuned_laion2b_s13b_b90k=_pcfg(hf_hub='laion/mscoco_finetuned_CoCa-ViT-B-32-laion2B-s13B-b90k/') |
| | ) |
| |
|
| | _coca_VITL14 = dict( |
| | laion2b_s13b_b90k=_pcfg(hf_hub='laion/CoCa-ViT-L-14-laion2B-s13B-b90k/'), |
| | mscoco_finetuned_laion2b_s13b_b90k=_pcfg(hf_hub='laion/mscoco_finetuned_CoCa-ViT-L-14-laion2B-s13B-b90k/') |
| | ) |
| |
|
| |
|
| | _PRETRAINED = { |
| | "RN50": _RN50, |
| | "RN50-quickgelu": _RN50_quickgelu, |
| | "RN101": _RN101, |
| | "RN101-quickgelu": _RN101_quickgelu, |
| | "RN50x4": _RN50x4, |
| | "RN50x16": _RN50x16, |
| | "RN50x64": _RN50x64, |
| | "ViT-B-32": _VITB32, |
| | "ViT-B-32-quickgelu": _VITB32_quickgelu, |
| | "ViT-B-16": _VITB16, |
| | "ViT-B-16-plus-240": _VITB16_PLUS_240, |
| | "ViT-L-14": _VITL14, |
| | "ViT-L-14-336": _VITL14_336, |
| | "ViT-H-14": _VITH14, |
| | "ViT-g-14": _VITg14, |
| | "ViT-bigG-14": _VITbigG14, |
| | "roberta-ViT-B-32": _robertaViTB32, |
| | "xlm-roberta-base-ViT-B-32": _xlmRobertaBaseViTB32, |
| | "xlm-roberta-large-ViT-H-14": _xlmRobertaLargeFrozenViTH14, |
| | "convnext_base": _convnext_base, |
| | "convnext_base_w": _convnext_base_w, |
| | "convnext_base_w_320": _convnext_base_w_320, |
| | "convnext_large_d": _convnext_large_d, |
| | "convnext_large_d_320": _convnext_large_d_320, |
| | "convnext_xxlarge": _convnext_xxlarge, |
| | "coca_ViT-B-32": _coca_VITB32, |
| | "coca_ViT-L-14": _coca_VITL14, |
| | } |
| |
|
| |
|
| | def _clean_tag(tag: str): |
| | |
| | return tag.lower().replace('-', '_') |
| |
|
| |
|
| | def list_pretrained(as_str: bool = False): |
| | """ returns list of pretrained models |
| | Returns a tuple (model_name, pretrain_tag) by default or 'name:tag' if as_str == True |
| | """ |
| | return [':'.join([k, t]) if as_str else (k, t) for k in _PRETRAINED.keys() for t in _PRETRAINED[k].keys()] |
| |
|
| |
|
| | def list_pretrained_models_by_tag(tag: str): |
| | """ return all models having the specified pretrain tag """ |
| | models = [] |
| | tag = _clean_tag(tag) |
| | for k in _PRETRAINED.keys(): |
| | if tag in _PRETRAINED[k]: |
| | models.append(k) |
| | return models |
| |
|
| |
|
| | def list_pretrained_tags_by_model(model: str): |
| | """ return all pretrain tags for the specified model architecture """ |
| | tags = [] |
| | if model in _PRETRAINED: |
| | tags.extend(_PRETRAINED[model].keys()) |
| | return tags |
| |
|
| |
|
| | def is_pretrained_cfg(model: str, tag: str): |
| | if model not in _PRETRAINED: |
| | return False |
| | return _clean_tag(tag) in _PRETRAINED[model] |
| |
|
| |
|
| | def get_pretrained_cfg(model: str, tag: str): |
| | if model not in _PRETRAINED: |
| | return {} |
| | model_pretrained = _PRETRAINED[model] |
| | return model_pretrained.get(_clean_tag(tag), {}) |
| |
|
| |
|
| | def get_pretrained_url(model: str, tag: str): |
| | cfg = get_pretrained_cfg(model, _clean_tag(tag)) |
| | return cfg.get('url', '') |
| |
|
| |
|
| | def download_pretrained_from_url( |
| | url: str, |
| | cache_dir: Union[str, None] = None, |
| | ): |
| | if not cache_dir: |
| | cache_dir = os.path.expanduser("~/.cache/clip") |
| | os.makedirs(cache_dir, exist_ok=True) |
| | filename = os.path.basename(url) |
| |
|
| | if 'openaipublic' in url: |
| | expected_sha256 = url.split("/")[-2] |
| | elif 'mlfoundations' in url: |
| | expected_sha256 = os.path.splitext(filename)[0].split("-")[-1] |
| | else: |
| | expected_sha256 = '' |
| |
|
| | download_target = os.path.join(cache_dir, filename) |
| |
|
| | if os.path.exists(download_target) and not os.path.isfile(download_target): |
| | raise RuntimeError(f"{download_target} exists and is not a regular file") |
| |
|
| | if os.path.isfile(download_target): |
| | if expected_sha256: |
| | if hashlib.sha256(open(download_target, "rb").read()).hexdigest().startswith(expected_sha256): |
| | return download_target |
| | else: |
| | warnings.warn(f"{download_target} exists, but the SHA256 checksum does not match; re-downloading the file") |
| | else: |
| | return download_target |
| |
|
| | with urllib.request.urlopen(url) as source, open(download_target, "wb") as output: |
| | with tqdm(total=int(source.headers.get("Content-Length")), ncols=80, unit='iB', unit_scale=True) as loop: |
| | while True: |
| | buffer = source.read(8192) |
| | if not buffer: |
| | break |
| |
|
| | output.write(buffer) |
| | loop.update(len(buffer)) |
| |
|
| | if expected_sha256 and not hashlib.sha256(open(download_target, "rb").read()).hexdigest().startswith(expected_sha256): |
| | raise RuntimeError(f"Model has been downloaded but the SHA256 checksum does not not match") |
| |
|
| | return download_target |
| |
|
| |
|
| | def has_hf_hub(necessary=False): |
| | if not _has_hf_hub and necessary: |
| | |
| | raise RuntimeError( |
| | 'Hugging Face hub model specified but package not installed. Run `pip install huggingface_hub`.') |
| | return _has_hf_hub |
| |
|
| |
|
| | def download_pretrained_from_hf( |
| | model_id: str, |
| | filename: str = 'open_clip_pytorch_model.bin', |
| | revision=None, |
| | cache_dir: Union[str, None] = None, |
| | ): |
| | has_hf_hub(True) |
| | cached_file = hf_hub_download(model_id, filename, revision=revision, cache_dir=cache_dir) |
| | return cached_file |
| |
|
| |
|
| | def download_pretrained( |
| | cfg: Dict, |
| | force_hf_hub: bool = False, |
| | cache_dir: Union[str, None] = None, |
| | ): |
| | target = '' |
| | if not cfg: |
| | return target |
| |
|
| | download_url = cfg.get('url', '') |
| | download_hf_hub = cfg.get('hf_hub', '') |
| | if download_hf_hub and force_hf_hub: |
| | |
| | download_url = '' |
| |
|
| | if download_url: |
| | target = download_pretrained_from_url(download_url, cache_dir=cache_dir) |
| | elif download_hf_hub: |
| | has_hf_hub(True) |
| | |
| | |
| | |
| | model_id, filename = os.path.split(download_hf_hub) |
| | if filename: |
| | target = download_pretrained_from_hf(model_id, filename=filename, cache_dir=cache_dir) |
| | else: |
| | target = download_pretrained_from_hf(model_id, cache_dir=cache_dir) |
| |
|
| | return target |
| |
|