InvokeAI/ldm/invoke/app/services/item_storage.py
Kyle Schouviller 34e3aa1f88 parent 9eed1919c2
author Kyle Schouviller <kyle0654@hotmail.com> 1669872800 -0800
committer Kyle Schouviller <kyle0654@hotmail.com> 1676240900 -0800

Adding base node architecture

Fix type annotation errors

Runs and generates, but breaks in saving session

Fix default model value setting. Fix deprecation warning.

Fixed node api

Adding markdown docs

Simplifying Generate construction in apps

[nodes] A few minor changes (#2510)

* Pin api-related requirements

* Remove confusing extra CORS origins list

* Adds response models for HTTP 200

[nodes] Adding graph_execution_state to soon replace session. Adding tests with pytest.

Minor typing fixes

[nodes] Fix some small output query hookups

[node] Fixing some additional typing issues

[nodes] Move and expand graph code. Add base item storage and sqlite implementation.

Update startup to match new code

[nodes] Add callbacks to item storage

[nodes] Adding an InvocationContext object to use for invocations to provide easier extensibility

[nodes] New execution model that handles iteration

[nodes] Fixing the CLI

[nodes] Adding a note to the CLI

[nodes] Split processing thread into separate service

[node] Add error message on node processing failure

Removing old files and duplicated packages

Adding python-multipart
2023-02-24 18:57:02 -08:00

58 lines
1.9 KiB
Python

from typing import Callable, TypeVar, Generic
from pydantic import BaseModel, Field
from pydantic.generics import GenericModel
from abc import ABC, abstractmethod
T = TypeVar('T', bound=BaseModel)
class PaginatedResults(GenericModel, Generic[T]):
"""Paginated results"""
items: list[T] = Field(description = "Items")
page: int = Field(description = "Current Page")
pages: int = Field(description = "Total number of pages")
per_page: int = Field(description = "Number of items per page")
total: int = Field(description = "Total number of items in result")
class ItemStorageABC(ABC, Generic[T]):
_on_changed_callbacks: list[Callable[[T], None]]
_on_deleted_callbacks: list[Callable[[str], None]]
def __init__(self) -> None:
self._on_changed_callbacks = list()
self._on_deleted_callbacks = list()
"""Base item storage class"""
@abstractmethod
def get(self, item_id: str) -> T:
pass
@abstractmethod
def set(self, item: T) -> None:
pass
@abstractmethod
def list(self, page: int = 0, per_page: int = 10) -> PaginatedResults[T]:
pass
@abstractmethod
def search(self, query: str, page: int = 0, per_page: int = 10) -> PaginatedResults[T]:
pass
def on_changed(self, on_changed: Callable[[T], None]) -> None:
"""Register a callback for when an item is changed"""
self._on_changed_callbacks.append(on_changed)
def on_deleted(self, on_deleted: Callable[[str], None]) -> None:
"""Register a callback for when an item is deleted"""
self._on_deleted_callbacks.append(on_deleted)
def _on_changed(self, item: T) -> None:
for callback in self._on_changed_callbacks:
callback(item)
def _on_deleted(self, item_id: str) -> None:
for callback in self._on_deleted_callbacks:
callback(item_id)