feat(nodes): add nameservice

Currenly only used to make names for images, but when latents, conditioning, etc are managed in DB, will do the same for them.

Intended to eventually support custom naming schemes.

invokeai/app/api/dependencies.py

@@ -5,6 +5,7 @@ import os
 from invokeai.app.services.image_record_storage import SqliteImageRecordStorage
 from invokeai.app.services.images import ImageService
 from invokeai.app.services.metadata import CoreMetadataService
+from invokeai.app.services.resource_name import SimpleNameService
 from invokeai.app.services.urls import LocalUrlService
 from invokeai.backend.util.logging import InvokeAILogger
 
@@ -67,7 +68,7 @@ class ApiDependencies:
         metadata = CoreMetadataService()
         image_record_storage = SqliteImageRecordStorage(db_location)
         image_file_storage = DiskImageFileStorage(f"{output_folder}/images")
-
+        names = SimpleNameService()
         latents = ForwardCacheLatentsStorage(
             DiskLatentsStorage(f"{output_folder}/latents")
         )
@@ -78,6 +79,7 @@ class ApiDependencies:
             metadata=metadata,
             url=urls,
             logger=logger,
+            names=names,
             graph_execution_manager=graph_execution_manager,
         )
 

invokeai/app/cli_app.py

@@ -16,6 +16,7 @@ from pydantic.fields import Field
 from invokeai.app.services.image_record_storage import SqliteImageRecordStorage
 from invokeai.app.services.images import ImageService
 from invokeai.app.services.metadata import CoreMetadataService
+from invokeai.app.services.resource_name import SimpleNameService
 from invokeai.app.services.urls import LocalUrlService
 
 
@@ -229,6 +230,7 @@ def invoke_cli():
     metadata = CoreMetadataService()
     image_record_storage = SqliteImageRecordStorage(db_location)
     image_file_storage = DiskImageFileStorage(f"{output_folder}/images")
+    names = SimpleNameService()
 
     images = ImageService(
         image_record_storage=image_record_storage,
@@ -236,6 +238,7 @@ def invoke_cli():
         metadata=metadata,
         url=urls,
         logger=logger,
+        names=names,
         graph_execution_manager=graph_execution_manager,
     )
 

invokeai/app/services/image_record_storage.py

@@ -103,7 +103,6 @@ class SqliteImageRecordStorage(ImageRecordStorageBase):
 
     def __init__(self, filename: str) -> None:
         super().__init__()
-
         self._filename = filename
         self._conn = sqlite3.connect(filename, check_same_thread=False)
         # Enable row factory to get rows as dictionaries (must be done before making the cursor!)

invokeai/app/services/images.py

@@ -1,5 +1,6 @@
 from abc import ABC, abstractmethod
 from logging import Logger
+from os import name
 from typing import Optional, TYPE_CHECKING, Union
 import uuid
 from PIL.Image import Image as PILImageType
@@ -31,6 +32,7 @@ from invokeai.app.services.image_file_storage import (
 )
 from invokeai.app.services.item_storage import ItemStorageABC, PaginatedResults
 from invokeai.app.services.metadata import MetadataServiceBase
+from invokeai.app.services.resource_name import NameServiceBase
 from invokeai.app.services.urls import UrlServiceBase
 
 if TYPE_CHECKING:
@@ -120,6 +122,7 @@ class ImageServiceDependencies:
     metadata: MetadataServiceBase
     urls: UrlServiceBase
     logger: Logger
+    names: NameServiceBase
     graph_execution_manager: ItemStorageABC["GraphExecutionState"]
 
     def __init__(
@@ -129,6 +132,7 @@ class ImageServiceDependencies:
         metadata: MetadataServiceBase,
         url: UrlServiceBase,
         logger: Logger,
+        names: NameServiceBase,
         graph_execution_manager: ItemStorageABC["GraphExecutionState"],
     ):
         self.records = image_record_storage
@@ -136,6 +140,7 @@ class ImageServiceDependencies:
         self.metadata = metadata
         self.urls = url
         self.logger = logger
+        self.names = names
         self.graph_execution_manager = graph_execution_manager
 
 
@@ -149,6 +154,7 @@ class ImageService(ImageServiceABC):
         metadata: MetadataServiceBase,
         url: UrlServiceBase,
         logger: Logger,
+        names: NameServiceBase,
         graph_execution_manager: ItemStorageABC["GraphExecutionState"],
     ):
         self._services = ImageServiceDependencies(
@@ -157,6 +163,7 @@ class ImageService(ImageServiceABC):
             metadata=metadata,
             url=url,
             logger=logger,
+            names=names,
             graph_execution_manager=graph_execution_manager,
         )
 
@@ -175,12 +182,7 @@ class ImageService(ImageServiceABC):
         if image_category not in ImageCategory:
             raise InvalidImageCategoryException
 
-        image_name = self._create_image_name(
-            image_type=image_type,
-            image_category=image_category,
-            node_id=node_id,
-            session_id=session_id,
-        )
+        image_name = self._services.names.create_image_name()
 
         metadata = self._get_metadata(session_id, node_id)
 
@@ -260,7 +262,6 @@ class ImageService(ImageServiceABC):
         except Exception as e:
             self._services.logger.error("Problem updating image record")
             raise e
-        
 
     def get_pil_image(self, image_type: ImageType, image_name: str) -> PILImageType:
         try:
@@ -378,21 +379,6 @@ class ImageService(ImageServiceABC):
             self._services.logger.error("Problem deleting image record and file")
             raise e
 
-    def _create_image_name(
-        self,
-        image_type: ImageType,
-        image_category: ImageCategory,
-        node_id: Optional[str] = None,
-        session_id: Optional[str] = None,
-    ) -> str:
-        """Create a unique image name."""
-        uuid_str = str(uuid.uuid4())
-
-        if node_id is not None and session_id is not None:
-            return f"{image_type.value}_{image_category.value}_{session_id}_{node_id}_{uuid_str}.png"
-
-        return f"{image_type.value}_{image_category.value}_{uuid_str}.png"
-
     def _get_metadata(
         self, session_id: Optional[str] = None, node_id: Optional[str] = None
     ) -> Union[ImageMetadata, None]:

invokeai/app/services/resource_name.py

@@ -0,0 +1,30 @@
+from abc import ABC, abstractmethod
+from enum import Enum, EnumMeta
+import uuid
+
+
+class ResourceType(str, Enum, metaclass=EnumMeta):
+    """Enum for resource types."""
+
+    IMAGE = "image"
+    LATENT = "latent"
+
+
+class NameServiceBase(ABC):
+    """Low-level service responsible for naming resources (images, latents, etc)."""
+
+    # TODO: Add customizable naming schemes
+    @abstractmethod
+    def create_image_name(self) -> str:
+        """Creates a name for an image."""
+        pass
+
+
+class SimpleNameService(NameServiceBase):
+    """Creates image names from UUIDs."""
+
+    # TODO: Add customizable naming schemes
+    def create_image_name(self) -> str:
+        uuid_str = str(uuid.uuid4())
+        filename = f"{uuid_str}.png"
+        return filename