548 lines
24 KiB
Python
548 lines
24 KiB
Python
# coding=utf-8
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# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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# Copyright 2022 The HuggingFace Inc. team.
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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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import copy
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import json
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import os
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import tempfile
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from typing import Any, Dict, Iterable, Optional, Tuple, Union
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import aistudio_sdk
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import numpy as np
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from huggingface_hub import (
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create_repo,
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get_hf_file_metadata,
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hf_hub_url,
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repo_type_and_id_from_hf_id,
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upload_folder,
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)
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from huggingface_hub.utils import EntryNotFoundError
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from ..utils.download import resolve_file_path
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from ..utils.log import logger
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from .feature_extraction_utils import BatchFeature as BaseBatchFeature
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IMAGE_PROCESSOR_NAME = "preprocessor_config.json"
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class BatchFeature(BaseBatchFeature):
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r"""
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Holds the output of the image processor specific `__call__` methods.
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This class is derived from a python dictionary and can be used as a dictionary.
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Args:
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data (`dict`):
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Dictionary of lists/arrays/tensors returned by the __call__ method ('pixel_values', etc.).
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tensor_type (`Union[None, str, TensorType]`, *optional*):
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You can give a tensor_type here to convert the lists of integers in Paddle/Numpy Tensors at
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initialization.
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"""
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class ImageProcessingMixin(object):
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"""
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This is an image processor mixin used to provide saving/loading functionality for sequential and image feature
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extractors.
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"""
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pretrained_init_configuration = {}
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_auto_class = None
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def __init__(self, **kwargs):
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"""Set elements of `kwargs` as attributes."""
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# Pop "processor_class" as it should be saved as private attribute
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self._processor_class = kwargs.pop("processor_class", None)
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# Additional attributes without default values
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for key, value in kwargs.items():
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try:
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setattr(self, key, value)
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except AttributeError as err:
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logger.error(f"Can't set {key} with value {value} for {self}")
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raise err
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def _set_processor_class(self, processor_class: str):
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"""Sets processor class as an attribute."""
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self._processor_class = processor_class
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@classmethod
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def from_pretrained(cls, pretrained_model_name_or_path: Union[str, os.PathLike], **kwargs):
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r"""
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Instantiate a type of [`~image_processing_utils.ImageProcessingMixin`] from an image processor.
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Args:
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pretrained_model_name_or_path (`str` or `os.PathLike`):
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This can be either:
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- a string, the *model id* of a pretrained image_processor hosted inside a model repo on
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huggingface.co. Valid model ids can be located at the root-level, like `bert-base-uncased`, or
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namespaced under a user or organization name, like `dbmdz/bert-base-german-cased`.
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- a path to a *directory* containing a image processor file saved using the
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[`~image_processing_utils.ImageProcessingMixin.save_pretrained`] method, e.g.,
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`./my_model_directory/`.
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- a path or url to a saved image processor JSON *file*, e.g.,
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`./my_model_directory/preprocessor_config.json`.
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cache_dir (`str` or `os.PathLike`, *optional*):
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Path to a directory in which a downloaded pretrained model image processor should be cached if the
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standard cache should not be used.
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force_download (`bool`, *optional*, defaults to `False`):
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Whether or not to force to (re-)download the image processor files and override the cached versions if
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they exist.
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resume_download (`bool`, *optional*, defaults to `False`):
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Whether or not to delete incompletely received file. Attempts to resume the download if such a file
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exists.
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proxies (`Dict[str, str]`, *optional*):
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A dictionary of proxy servers to use by protocol or endpoint, e.g., `{'http': 'foo.bar:3128',
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'http://hostname': 'foo.bar:4012'}.` The proxies are used on each request.
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use_auth_token (`str` or `bool`, *optional*):
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The token to use as HTTP bearer authorization for remote files. If `True`, or not specified, will use
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the token generated when running `huggingface-cli login` (stored in `~/.huggingface`).
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revision (`str`, *optional*, defaults to `"main"`):
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The specific model version to use. It can be a branch name, a tag name, or a commit id, since we use a
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git-based system for storing models and other artifacts on huggingface.co, so `revision` can be any
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identifier allowed by git.
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<Tip>
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To test a pull request you made on the Hub, you can pass `revision="refs/pr/<pr_number>".
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</Tip>
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return_unused_kwargs (`bool`, *optional*, defaults to `False`):
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If `False`, then this function returns just the final image processor object. If `True`, then this
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functions returns a `Tuple(image_processor, unused_kwargs)` where *unused_kwargs* is a dictionary
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consisting of the key/value pairs whose keys are not image processor attributes: i.e., the part of
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`kwargs` which has not been used to update `image_processor` and is otherwise ignored.
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kwargs (`Dict[str, Any]`, *optional*):
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The values in kwargs of any keys which are image processor attributes will be used to override the
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loaded values. Behavior concerning key/value pairs whose keys are *not* image processor attributes is
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controlled by the `return_unused_kwargs` keyword parameter.
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Returns:
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A image processor of type [`~image_processing_utils.ImageProcessingMixin`].
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Examples:
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```python
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# We can't instantiate directly the base class *ImageProcessingMixin* so let's show the examples on a
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# derived class: *CLIPImageProcessor*
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image_processor = CLIPImageProcessor.from_pretrained(
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"openai/clip-vit-base-patch32"
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) # Download image_processing_config from huggingface.co and cache.
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image_processor = CLIPImageProcessor.from_pretrained(
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"./test/saved_model/"
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) # E.g. image processor (or model) was saved using *save_pretrained('./test/saved_model/')*
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image_processor = CLIPImageProcessor.from_pretrained("./test/saved_model/preprocessor_config.json")
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image_processor = CLIPImageProcessor.from_pretrained(
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"openai/clip-vit-base-patch32", do_normalize=False, foo=False
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)
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assert image_processor.do_normalize is False
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image_processor, unused_kwargs = CLIPImageProcessor.from_pretrained(
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"openai/clip-vit-base-patch32", do_normalize=False, foo=False, return_unused_kwargs=True
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)
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assert image_processor.do_normalize is False
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assert unused_kwargs == {"foo": False}
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```"""
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image_processor_dict, kwargs = cls.get_image_processor_dict(pretrained_model_name_or_path, **kwargs)
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return cls.from_dict(image_processor_dict, **kwargs)
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def save_pretrained(self, save_directory: Union[str, os.PathLike], **kwargs):
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"""
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Save an image processor object to the directory `save_directory`, so that it can be re-loaded using the
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[`~image_processing_utils.ImageProcessingMixin.from_pretrained`] class method.
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Args:
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save_directory (`str` or `os.PathLike`):
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Directory where the image processor JSON file will be saved (will be created if it does not exist).
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kwargs:
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Additional key word arguments passed along to the [`~utils.PushToHubMixin.push_to_hub`] method.
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"""
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if os.path.isfile(save_directory):
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raise AssertionError(f"Provided path ({save_directory}) should be a directory, not a file")
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os.makedirs(save_directory, exist_ok=True)
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# If we save using the predefined names, we can load using `from_pretrained`
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output_image_processor_file = os.path.join(save_directory, IMAGE_PROCESSOR_NAME)
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self.to_json_file(output_image_processor_file)
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logger.info(f"Image processor saved in {output_image_processor_file}")
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return [output_image_processor_file]
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def save_to_hf_hub(
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self,
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repo_id: str,
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private: Optional[bool] = None,
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subfolder: Optional[str] = None,
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commit_message: Optional[str] = None,
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revision: Optional[str] = None,
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create_pr: bool = False,
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):
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"""
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Uploads all elements of this processor to a new HuggingFace Hub repository.
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Args:
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repo_id (str): Repository name for your processor in the Hub.
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private (bool, optional): Whether theprocessor is set to private
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subfolder (str, optional): Push to a subfolder of the repo instead of the root
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commit_message (str, optional) — The summary / title / first line of the generated commit. Defaults to: f"Upload {path_in_repo} with huggingface_hub"
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revision (str, optional) — The git revision to commit from. Defaults to the head of the "main" branch.
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create_pr (boolean, optional) — Whether or not to create a Pull Request with that commit. Defaults to False.
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If revision is not set, PR is opened against the "main" branch. If revision is set and is a branch, PR is opened against this branch.
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If revision is set and is not a branch name (example: a commit oid), an RevisionNotFoundError is returned by the server.
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Returns: The url of the commit of your model in the given repository.
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"""
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repo_url = create_repo(repo_id, private=private, exist_ok=True)
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# Infer complete repo_id from repo_url
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# Can be different from the input `repo_id` if repo_owner was implicit
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_, repo_owner, repo_name = repo_type_and_id_from_hf_id(repo_url)
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repo_id = f"{repo_owner}/{repo_name}"
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# Check if README file already exist in repo
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try:
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get_hf_file_metadata(hf_hub_url(repo_id=repo_id, filename="README.md", revision=revision))
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has_readme = True
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except EntryNotFoundError:
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has_readme = False
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with tempfile.TemporaryDirectory() as root_dir:
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if subfolder is not None:
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save_dir = os.path.join(root_dir, subfolder)
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else:
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save_dir = root_dir
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# save model
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self.save_pretrained(save_dir)
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# Add readme if does not exist
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logger.info("README.md not found, adding the default README.md")
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if not has_readme:
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with open(os.path.join(root_dir, "README.md"), "w") as f:
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f.write(f"---\nlibrary_name: paddlenlp\n---\n# {repo_id}")
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# Upload model and return
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logger.info(f"Pushing to the {repo_id}. This might take a while")
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return upload_folder(
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repo_id=repo_id,
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repo_type="model",
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folder_path=root_dir,
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commit_message=commit_message,
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revision=revision,
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create_pr=create_pr,
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)
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def save_to_aistudio(
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self, repo_id, private=True, license="Apache License 2.0", exist_ok=True, subfolder=None, **kwargs
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):
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"""
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Uploads all elements of this model to a new AiStudio Hub repository.
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Args:
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repo_id (str): Repository name for your model/tokenizer in the Hub.
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token (str): Your token for the Hub.
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private (bool, optional): Whether the model/tokenizer is set to private. Defaults to True.
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license (str): The license of your model/tokenizer. Defaults to: "Apache License 2.0".
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exist_ok (bool, optional): Whether to override existing repository. Defaults to: True.
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subfolder (str, optional): Push to a subfolder of the repo instead of the root
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"""
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res = aistudio_sdk.hub.create_repo(repo_id=repo_id, private=private, license=license, **kwargs)
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if "error_code" in res:
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if res["error_code"] == 10003 and exist_ok:
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logger.info(
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f"Repo {repo_id} already exists, it will override files with the same name. To avoid this, please set exist_ok=False"
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)
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else:
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logger.error(
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f"Failed to create repo {repo_id}, error_code: {res['error_code']}, error_msg: {res['error_msg']}"
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)
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else:
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logger.info(f"Successfully created repo {repo_id}")
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with tempfile.TemporaryDirectory() as root_dir:
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if subfolder is not None:
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save_dir = os.path.join(root_dir, subfolder)
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else:
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save_dir = root_dir
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# save model
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self.save_pretrained(save_dir)
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# Upload model and return
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logger.info(f"Pushing to the {repo_id}. This might take a while")
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for filename in os.listdir(save_dir):
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res = aistudio_sdk.hub.upload(
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repo_id=repo_id, path_or_fileobj=os.path.join(save_dir, filename), path_in_repo=filename, **kwargs
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)
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if "error_code" in res:
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logger.error(
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f"Failed to upload {filename}, error_code: {res['error_code']}, error_msg: {res['error_msg']}"
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)
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else:
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logger.info(f"{filename}: {res['message']}")
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@classmethod
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def get_image_processor_dict(
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cls, pretrained_model_name_or_path: Union[str, os.PathLike], **kwargs
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) -> Tuple[Dict[str, Any], Dict[str, Any]]:
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"""
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From a `pretrained_model_name_or_path`, resolve to a dictionary of parameters, to be used for instantiating a
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image processor of type [`~image_processor_utils.ImageProcessingMixin`] using `from_dict`.
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Parameters:
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pretrained_model_name_or_path (`str` or `os.PathLike`):
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The identifier of the pre-trained checkpoint from which we want the dictionary of parameters.
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from_hf_hub (bool, optional): whether to load from Huggingface Hub
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subfolder (str, optional) An optional value corresponding to a folder inside the repo.
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Returns:
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`Tuple[Dict, Dict]`: The dictionary(ies) that will be used to instantiate the image processor object.
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"""
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cache_dir = kwargs.pop("cache_dir", None)
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from_hf_hub = kwargs.pop("from_hf_hub", False)
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from_aistudio = kwargs.pop("from_aistudio", False)
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subfolder = kwargs.pop("subfolder", "")
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if subfolder is None:
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subfolder = ""
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pretrained_model_name_or_path = str(pretrained_model_name_or_path)
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is_local = os.path.isdir(pretrained_model_name_or_path)
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resolved_image_processor_file = resolve_file_path(
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pretrained_model_name_or_path,
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[IMAGE_PROCESSOR_NAME],
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subfolder,
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cache_dir=cache_dir,
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from_hf_hub=from_hf_hub,
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from_aistudio=from_aistudio,
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)
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assert (
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resolved_image_processor_file is not None
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), f"please make sure {IMAGE_PROCESSOR_NAME} under {pretrained_model_name_or_path}"
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try:
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# Load image_processor dict
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with open(resolved_image_processor_file, "r", encoding="utf-8") as reader:
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text = reader.read()
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image_processor_dict = json.loads(text)
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except json.JSONDecodeError:
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raise EnvironmentError(
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f"It looks like the config file at '{resolved_image_processor_file}' is not a valid JSON file."
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)
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if is_local:
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logger.info(f"loading configuration file {resolved_image_processor_file}")
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else:
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logger.info(f"loading configuration file from cache at {resolved_image_processor_file}")
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return image_processor_dict, kwargs
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@classmethod
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def from_dict(cls, image_processor_dict: Dict[str, Any], **kwargs):
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"""
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Instantiates a type of [`~image_processing_utils.ImageProcessingMixin`] from a Python dictionary of parameters.
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Args:
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image_processor_dict (`Dict[str, Any]`):
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Dictionary that will be used to instantiate the image processor object. Such a dictionary can be
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retrieved from a pretrained checkpoint by leveraging the
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[`~image_processing_utils.ImageProcessingMixin.to_dict`] method.
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kwargs (`Dict[str, Any]`):
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Additional parameters from which to initialize the image processor object.
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Returns:
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[`~image_processing_utils.ImageProcessingMixin`]: The image processor object instantiated from those
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parameters.
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"""
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return_unused_kwargs = kwargs.pop("return_unused_kwargs", False)
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image_processor = cls(**image_processor_dict)
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# Update image_processor with kwargs if needed
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to_remove = []
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for key, value in kwargs.items():
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if hasattr(image_processor, key):
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setattr(image_processor, key, value)
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to_remove.append(key)
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for key in to_remove:
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kwargs.pop(key, None)
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if return_unused_kwargs:
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return image_processor, kwargs
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else:
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return image_processor
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def to_dict(self, *args, **kwargs) -> Dict[str, Any]:
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"""
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Serializes this instance to a Python dictionary.
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Returns:
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`Dict[str, Any]`: Dictionary of all the attributes that make up this image processor instance.
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"""
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output = copy.deepcopy(self.__dict__)
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output["image_processor_type"] = self.__class__.__name__
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return output
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@classmethod
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def from_json_file(cls, json_file: Union[str, os.PathLike]):
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"""
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Instantiates a image processor of type [`~image_processing_utils.ImageProcessingMixin`] from the path to a JSON
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file of parameters.
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Args:
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json_file (`str` or `os.PathLike`):
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Path to the JSON file containing the parameters.
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Returns:
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A image processor of type [`~image_processing_utils.ImageProcessingMixin`]: The image_processor object
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instantiated from that JSON file.
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"""
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with open(json_file, "r", encoding="utf-8") as reader:
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text = reader.read()
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image_processor_dict = json.loads(text)
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return cls(**image_processor_dict)
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def to_json_string(self) -> str:
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"""
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Serializes this instance to a JSON string.
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Returns:
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`str`: String containing all the attributes that make up this feature_extractor instance in JSON format.
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"""
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dictionary = self.to_dict()
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for key, value in dictionary.items():
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if isinstance(value, np.ndarray):
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dictionary[key] = value.tolist()
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# make sure private name "_processor_class" is correctly
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# saved as "processor_class"
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_processor_class = dictionary.pop("_processor_class", None)
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if _processor_class is not None:
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dictionary["processor_class"] = _processor_class
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return json.dumps(dictionary, indent=2, sort_keys=True) + "\n"
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def to_json_file(self, json_file_path: Union[str, os.PathLike]):
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"""
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Save this instance to a JSON file.
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Args:
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json_file_path (`str` or `os.PathLike`):
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Path to the JSON file in which this image_processor instance's parameters will be saved.
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"""
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with open(json_file_path, "w", encoding="utf-8") as writer:
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writer.write(self.to_json_string())
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def __repr__(self):
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return f"{self.__class__.__name__} {self.to_json_string()}"
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class BaseImageProcessor(ImageProcessingMixin):
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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def __call__(self, images, **kwargs) -> BatchFeature:
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"""Preprocess an image or a batch of images."""
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return self.preprocess(images, **kwargs)
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def preprocess(self, images, **kwargs) -> BatchFeature:
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raise NotImplementedError("Each image processor must implement its own preprocess method")
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VALID_SIZE_DICT_KEYS = ({"height", "width"}, {"shortest_edge"}, {"shortest_edge", "longest_edge"})
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def is_valid_size_dict(size_dict):
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if not isinstance(size_dict, dict):
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return False
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size_dict_keys = set(size_dict.keys())
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for allowed_keys in VALID_SIZE_DICT_KEYS:
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if size_dict_keys == allowed_keys:
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return True
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return False
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def convert_to_size_dict(
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size, max_size: Optional[int] = None, default_to_square: bool = True, height_width_order: bool = True
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):
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# By default, if size is an int we assume it represents a tuple of (size, size).
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if isinstance(size, int) and default_to_square:
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if max_size is not None:
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raise ValueError("Cannot specify both size as an int, with default_to_square=True and max_size")
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return {"height": size, "width": size}
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# In other configs, if size is an int and default_to_square is False, size represents the length of
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# the shortest edge after resizing.
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elif isinstance(size, int) and not default_to_square:
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size_dict = {"shortest_edge": size}
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if max_size is not None:
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size_dict["longest_edge"] = max_size
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return size_dict
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# Otherwise, if size is a tuple it's either (height, width) or (width, height)
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elif isinstance(size, (tuple, list)) and height_width_order:
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return {"height": size[0], "width": size[1]}
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elif isinstance(size, (tuple, list)) and not height_width_order:
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return {"height": size[1], "width": size[0]}
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raise ValueError(f"Could not convert size input to size dict: {size}")
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def get_size_dict(
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size: Union[int, Iterable[int], Dict[str, int]] = None,
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max_size: Optional[int] = None,
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height_width_order: bool = True,
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default_to_square: bool = True,
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param_name="size",
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) -> dict:
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"""
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Converts the old size parameter in the config into the new dict expected in the config. This is to ensure backwards
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compatibility with the old image processor configs and removes ambiguity over whether the tuple is in (height,
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width) or (width, height) format.
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- If `size` is tuple, it is converted to `{"height": size[0], "width": size[1]}` or `{"height": size[1], "width":
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size[0]}` if `height_width_order` is `False`.
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- If `size` is an int, and `default_to_square` is `True`, it is converted to `{"height": size, "width": size}`.
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- If `size` is an int and `default_to_square` is False, it is converted to `{"shortest_edge": size}`. If `max_size`
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is set, it is added to the dict as `{"longest_edge": max_size}`.
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Args:
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size (`Union[int, Iterable[int], Dict[str, int]]`, *optional*):
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The `size` parameter to be cast into a size dictionary.
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max_size (`Optional[int]`, *optional*):
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The `max_size` parameter to be cast into a size dictionary.
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height_width_order (`bool`, *optional*, defaults to `True`):
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If `size` is a tuple, whether it's in (height, width) or (width, height) order.
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default_to_square (`bool`, *optional*, defaults to `True`):
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If `size` is an int, whether to default to a square image or not.
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"""
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if not isinstance(size, dict):
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size_dict = convert_to_size_dict(size, max_size, default_to_square, height_width_order)
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logger.info(
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f"{param_name} should be a dictionary on of the following set of keys: {VALID_SIZE_DICT_KEYS}, got {size}."
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f" Converted to {size_dict}.",
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)
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else:
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size_dict = size
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if not is_valid_size_dict(size_dict):
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raise ValueError(
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f"{param_name} must have one of the following set of keys: {VALID_SIZE_DICT_KEYS}, got {size_dict.keys()}"
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)
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return size_dict
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