mirror of
https://github.com/invoke-ai/InvokeAI
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237 lines
8.0 KiB
Python
237 lines
8.0 KiB
Python
from typing import Optional, Union
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import uuid
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from PIL.Image import Image as PILImageType
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from invokeai.app.models.image import ImageCategory, ImageType
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from invokeai.app.models.metadata import (
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GeneratedImageOrLatentsMetadata,
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UploadedImageOrLatentsMetadata,
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)
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from invokeai.app.services.image_record_storage import (
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ImageRecordStorageBase,
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)
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from invokeai.app.services.models.image_record import (
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ImageRecord,
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ImageDTO,
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image_record_to_dto,
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)
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from invokeai.app.services.image_file_storage import ImageFileStorageBase
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from invokeai.app.services.item_storage import PaginatedResults
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from invokeai.app.services.metadata import MetadataServiceBase
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from invokeai.app.services.urls import UrlServiceBase
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from invokeai.app.util.misc import get_iso_timestamp
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class ImageServiceDependencies:
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"""Service dependencies for the ImageManagementService."""
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records: ImageRecordStorageBase
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files: ImageFileStorageBase
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metadata: MetadataServiceBase
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urls: UrlServiceBase
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def __init__(
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self,
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image_record_storage: ImageRecordStorageBase,
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image_file_storage: ImageFileStorageBase,
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metadata: MetadataServiceBase,
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url: UrlServiceBase,
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):
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self.records = image_record_storage
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self.files = image_file_storage
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self.metadata = metadata
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self.urls = url
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class ImageService:
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"""High-level service for image management."""
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_services: ImageServiceDependencies
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def __init__(
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self,
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image_record_storage: ImageRecordStorageBase,
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image_file_storage: ImageFileStorageBase,
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metadata: MetadataServiceBase,
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url: UrlServiceBase,
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):
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self._services = ImageServiceDependencies(
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image_record_storage=image_record_storage,
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image_file_storage=image_file_storage,
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metadata=metadata,
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url=url,
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)
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def _create_image_name(
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self,
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image_type: ImageType,
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image_category: ImageCategory,
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node_id: Optional[str] = None,
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session_id: Optional[str] = None,
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) -> str:
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"""Creates an image name."""
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uuid_str = str(uuid.uuid4())
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if node_id is not None and session_id is not None:
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return f"{image_type.value}_{image_category.value}_{session_id}_{node_id}_{uuid_str}.png"
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return f"{image_type.value}_{image_category.value}_{uuid_str}.png"
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def create(
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self,
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image: PILImageType,
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image_type: ImageType,
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image_category: ImageCategory,
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node_id: Optional[str] = None,
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session_id: Optional[str] = None,
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metadata: Optional[
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Union[GeneratedImageOrLatentsMetadata, UploadedImageOrLatentsMetadata]
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] = None,
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) -> ImageDTO:
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"""Creates an image, storing the file and its metadata."""
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image_name = self._create_image_name(
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image_type=image_type,
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image_category=image_category,
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node_id=node_id,
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session_id=session_id,
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)
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timestamp = get_iso_timestamp()
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try:
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# TODO: Consider using a transaction here to ensure consistency between storage and database
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self._services.files.save(
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image_type=image_type,
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image_name=image_name,
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image=image,
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metadata=metadata,
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)
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self._services.records.save(
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image_name=image_name,
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image_type=image_type,
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image_category=image_category,
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node_id=node_id,
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session_id=session_id,
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metadata=metadata,
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created_at=timestamp,
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)
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image_url = self._services.urls.get_image_url(image_type, image_name)
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thumbnail_url = self._services.urls.get_thumbnail_url(image_type, image_name)
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return ImageDTO(
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image_name=image_name,
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image_type=image_type,
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image_category=image_category,
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node_id=node_id,
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session_id=session_id,
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metadata=metadata,
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created_at=timestamp,
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image_url=image_url,
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thumbnail_url=thumbnail_url,
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)
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except ImageRecordStorageBase.ImageRecordSaveException:
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# TODO: log this
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raise
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except ImageFileStorageBase.ImageFileSaveException:
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# TODO: log this
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raise
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def get_pil_image(self, image_type: ImageType, image_name: str) -> PILImageType:
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"""Gets an image as a PIL image."""
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try:
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return self._services.files.get(image_type, image_name)
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except ImageFileStorageBase.ImageFileNotFoundException:
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# TODO: log this
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raise
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def get_record(self, image_type: ImageType, image_name: str) -> ImageRecord:
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"""Gets an image record."""
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try:
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return self._services.records.get(image_type, image_name)
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except ImageRecordStorageBase.ImageRecordNotFoundException:
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# TODO: log this
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raise
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def get_dto(self, image_type: ImageType, image_name: str) -> ImageDTO:
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"""Gets an image DTO."""
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try:
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image_record = self._services.records.get(image_type, image_name)
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image_dto = image_record_to_dto(
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image_record,
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self._services.urls.get_image_url(image_type, image_name),
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self._services.urls.get_thumbnail_url(image_type, image_name),
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)
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return image_dto
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except ImageRecordStorageBase.ImageRecordNotFoundException:
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# TODO: log this
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raise
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def delete(self, image_type: ImageType, image_name: str):
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"""Deletes an image."""
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# TODO: Consider using a transaction here to ensure consistency between storage and database
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try:
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self._services.files.delete(image_type, image_name)
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self._services.records.delete(image_type, image_name)
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except ImageRecordStorageBase.ImageRecordDeleteException:
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# TODO: log this
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raise
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except ImageFileStorageBase.ImageFileDeleteException:
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# TODO: log this
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raise
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def get_many(
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self,
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image_type: ImageType,
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image_category: ImageCategory,
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page: int = 0,
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per_page: int = 10,
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) -> PaginatedResults[ImageDTO]:
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"""Gets a paginated list of image DTOs."""
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try:
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results = self._services.records.get_many(
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image_type,
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image_category,
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page,
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per_page,
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)
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image_dtos = list(
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map(
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lambda r: image_record_to_dto(
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r,
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self._services.urls.get_image_url(image_type, r.image_name),
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self._services.urls.get_thumbnail_url(image_type, r.image_name),
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),
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results.items,
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)
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)
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return PaginatedResults[ImageDTO](
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items=image_dtos,
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page=results.page,
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pages=results.pages,
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per_page=results.per_page,
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total=results.total,
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)
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except Exception as e:
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raise e
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def add_tag(self, image_type: ImageType, image_id: str, tag: str) -> None:
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"""Adds a tag to an image."""
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raise NotImplementedError("The 'add_tag' method is not implemented yet.")
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def remove_tag(self, image_type: ImageType, image_id: str, tag: str) -> None:
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"""Removes a tag from an image."""
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raise NotImplementedError("The 'remove_tag' method is not implemented yet.")
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def favorite(self, image_type: ImageType, image_id: str) -> None:
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"""Favorites an image."""
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raise NotImplementedError("The 'favorite' method is not implemented yet.")
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def unfavorite(self, image_type: ImageType, image_id: str) -> None:
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"""Unfavorites an image."""
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raise NotImplementedError("The 'unfavorite' method is not implemented yet.")
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