mirror of
https://github.com/invoke-ai/InvokeAI
synced 2024-08-30 20:32:17 +00:00
401 lines
13 KiB
Python
401 lines
13 KiB
Python
from abc import ABC, abstractmethod
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from logging import Logger
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from typing import Optional, TYPE_CHECKING, Union
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from PIL.Image import Image as PILImageType
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from invokeai.app.models.image import (
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ImageCategory,
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ImageType,
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InvalidImageCategoryException,
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InvalidImageTypeException,
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)
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from invokeai.app.models.metadata import ImageMetadata
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from invokeai.app.services.image_record_storage import (
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ImageRecordDeleteException,
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ImageRecordNotFoundException,
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ImageRecordSaveException,
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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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ImageRecordChanges,
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image_record_to_dto,
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)
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from invokeai.app.services.image_file_storage import (
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ImageFileDeleteException,
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ImageFileNotFoundException,
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ImageFileSaveException,
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ImageFileStorageBase,
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)
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from invokeai.app.services.item_storage import ItemStorageABC, PaginatedResults
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from invokeai.app.services.metadata import MetadataServiceBase
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from invokeai.app.services.resource_name import NameServiceBase
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from invokeai.app.services.urls import UrlServiceBase
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if TYPE_CHECKING:
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from invokeai.app.services.graph import GraphExecutionState
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class ImageServiceABC(ABC):
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"""High-level service for image management."""
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@abstractmethod
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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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intermediate: bool = False,
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show_in_gallery: bool = True,
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) -> ImageDTO:
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"""Creates an image, storing the file and its metadata."""
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pass
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@abstractmethod
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def update(
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self,
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image_type: ImageType,
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image_name: str,
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changes: ImageRecordChanges,
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) -> ImageDTO:
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"""Updates an image."""
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pass
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@abstractmethod
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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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pass
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@abstractmethod
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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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pass
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@abstractmethod
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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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pass
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@abstractmethod
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def get_path(self, image_type: ImageType, image_name: str) -> str:
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"""Gets an image's path."""
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pass
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@abstractmethod
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def validate_path(self, path: str) -> bool:
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"""Validates an image's path."""
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pass
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@abstractmethod
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def get_url(
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self, image_type: ImageType, image_name: str, thumbnail: bool = False
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) -> str:
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"""Gets an image's or thumbnail's URL."""
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pass
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@abstractmethod
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def get_many(
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self,
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page: int = 0,
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per_page: int = 10,
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image_type: Optional[ImageType] = None,
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image_category: Optional[ImageCategory] = None,
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is_intermediate: Optional[bool] = None,
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show_in_gallery: Optional[bool] = None,
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) -> PaginatedResults[ImageDTO]:
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"""Gets a paginated list of image DTOs."""
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pass
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@abstractmethod
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def delete(self, image_type: ImageType, image_name: str):
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"""Deletes an image."""
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pass
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class ImageServiceDependencies:
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"""Service dependencies for the ImageService."""
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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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logger: Logger
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names: NameServiceBase
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graph_execution_manager: ItemStorageABC["GraphExecutionState"]
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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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logger: Logger,
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names: NameServiceBase,
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graph_execution_manager: ItemStorageABC["GraphExecutionState"],
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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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self.logger = logger
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self.names = names
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self.graph_execution_manager = graph_execution_manager
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class ImageService(ImageServiceABC):
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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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logger: Logger,
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names: NameServiceBase,
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graph_execution_manager: ItemStorageABC["GraphExecutionState"],
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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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logger=logger,
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names=names,
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graph_execution_manager=graph_execution_manager,
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)
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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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is_intermediate: bool = False,
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show_in_gallery: bool = True,
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) -> ImageDTO:
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if image_type not in ImageType:
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raise InvalidImageTypeException
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if image_category not in ImageCategory:
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raise InvalidImageCategoryException
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image_name = self._services.names.create_image_name()
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metadata = self._get_metadata(session_id, node_id)
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(width, height) = image.size
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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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created_at = self._services.records.save(
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# Non-nullable fields
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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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width=width,
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height=height,
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# Meta fields
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is_intermediate=is_intermediate,
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show_in_gallery=show_in_gallery,
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# Nullable fields
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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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)
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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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image_url = self._services.urls.get_image_url(image_type, image_name)
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thumbnail_url = self._services.urls.get_image_url(
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image_type, image_name, True
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)
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return ImageDTO(
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# Non-nullable fields
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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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width=width,
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height=height,
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# Nullable fields
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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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# Meta fields
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created_at=created_at,
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updated_at=created_at, # this is always the same as the created_at at this time
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deleted_at=None,
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is_intermediate=is_intermediate,
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show_in_gallery=show_in_gallery,
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# Extra non-nullable fields for DTO
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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 ImageRecordSaveException:
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self._services.logger.error("Failed to save image record")
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raise
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except ImageFileSaveException:
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self._services.logger.error("Failed to save image file")
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raise
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except Exception as e:
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self._services.logger.error("Problem saving image record and file")
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raise e
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def update(
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self,
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image_type: ImageType,
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image_name: str,
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changes: ImageRecordChanges,
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) -> ImageDTO:
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try:
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self._services.records.update(image_name, image_type, changes)
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return self.get_dto(image_type, image_name)
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except ImageRecordSaveException:
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self._services.logger.error("Failed to update image record")
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raise
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except Exception as e:
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self._services.logger.error("Problem updating image record")
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raise e
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def get_pil_image(self, image_type: ImageType, image_name: str) -> PILImageType:
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try:
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return self._services.files.get(image_type, image_name)
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except ImageFileNotFoundException:
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self._services.logger.error("Failed to get image file")
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raise
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except Exception as e:
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self._services.logger.error("Problem getting image file")
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raise e
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def get_record(self, image_type: ImageType, image_name: str) -> ImageRecord:
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try:
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return self._services.records.get(image_type, image_name)
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except ImageRecordNotFoundException:
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self._services.logger.error("Image record not found")
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raise
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except Exception as e:
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self._services.logger.error("Problem getting image record")
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raise e
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def get_dto(self, image_type: ImageType, image_name: str) -> ImageDTO:
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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_image_url(image_type, image_name, True),
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)
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return image_dto
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except ImageRecordNotFoundException:
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self._services.logger.error("Image record not found")
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raise
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except Exception as e:
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self._services.logger.error("Problem getting image DTO")
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raise e
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def get_path(
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self, image_type: ImageType, image_name: str, thumbnail: bool = False
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) -> str:
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try:
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return self._services.files.get_path(image_type, image_name, thumbnail)
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except Exception as e:
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self._services.logger.error("Problem getting image path")
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raise e
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def validate_path(self, path: str) -> bool:
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try:
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return self._services.files.validate_path(path)
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except Exception as e:
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self._services.logger.error("Problem validating image path")
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raise e
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def get_url(
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self, image_type: ImageType, image_name: str, thumbnail: bool = False
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) -> str:
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try:
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return self._services.urls.get_image_url(image_type, image_name, thumbnail)
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except Exception as e:
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self._services.logger.error("Problem getting image path")
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raise e
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def get_many(
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self,
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page: int = 0,
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per_page: int = 10,
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image_type: Optional[ImageType] = None,
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image_category: Optional[ImageCategory] = None,
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is_intermediate: Optional[bool] = None,
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show_in_gallery: Optional[bool] = None,
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) -> PaginatedResults[ImageDTO]:
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try:
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results = self._services.records.get_many(
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page,
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per_page,
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image_type,
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image_category,
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is_intermediate,
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show_in_gallery,
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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(r.image_type, r.image_name),
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self._services.urls.get_image_url(
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r.image_type, r.image_name, True
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),
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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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self._services.logger.error("Problem getting paginated image DTOs")
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raise e
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def delete(self, image_type: ImageType, image_name: str):
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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 ImageRecordDeleteException:
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self._services.logger.error(f"Failed to delete image record")
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raise
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except ImageFileDeleteException:
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self._services.logger.error(f"Failed to delete image file")
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raise
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except Exception as e:
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self._services.logger.error("Problem deleting image record and file")
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raise e
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def _get_metadata(
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self, session_id: Optional[str] = None, node_id: Optional[str] = None
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) -> Union[ImageMetadata, None]:
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"""Get the metadata for a node."""
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metadata = None
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if node_id is not None and session_id is not None:
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session = self._services.graph_execution_manager.get(session_id)
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metadata = self._services.metadata.create_image_metadata(session, node_id)
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return metadata
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