InvokeAI/invokeai/app/api/dependencies.py
2023-05-24 11:30:47 -04:00

110 lines
3.6 KiB
Python

# Copyright (c) 2022 Kyle Schouviller (https://github.com/kyle0654)
from logging import Logger
import os
from invokeai.app.services.image_record_storage import SqliteImageRecordStorage
from invokeai.app.services.images import ImageService
from invokeai.app.services.urls import LocalUrlService
from invokeai.backend.util.logging import InvokeAILogger
from ..services.default_graphs import create_system_graphs
from ..services.latent_storage import DiskLatentsStorage, ForwardCacheLatentsStorage
from ..services.model_manager_initializer import get_model_manager
from ..services.restoration_services import RestorationServices
from ..services.graph import GraphExecutionState, LibraryGraph
from ..services.image_file_storage import DiskImageFileStorage
from ..services.invocation_queue import MemoryInvocationQueue
from ..services.invocation_services import InvocationServices
from ..services.invoker import Invoker
from ..services.processor import DefaultInvocationProcessor
from ..services.sqlite import SqliteItemStorage
from ..services.metadata import PngMetadataService
from .events import FastAPIEventService
# TODO: is there a better way to achieve this?
def check_internet() -> bool:
"""
Return true if the internet is reachable.
It does this by pinging huggingface.co.
"""
import urllib.request
host = "http://huggingface.co"
try:
urllib.request.urlopen(host, timeout=1)
return True
except:
return False
logger = InvokeAILogger.getLogger()
class ApiDependencies:
"""Contains and initializes all dependencies for the API"""
invoker: Invoker = None
def initialize(config, event_handler_id: int, logger: types.ModuleType=logger):
logger.info(f"Internet connectivity is {config.internet_available}")
events = FastAPIEventService(event_handler_id)
output_folder = os.path.abspath(
os.path.join(os.path.dirname(__file__), "../../../../outputs")
)
latents = ForwardCacheLatentsStorage(
DiskLatentsStorage(f"{output_folder}/latents")
)
metadata = PngMetadataService()
urls = LocalUrlService()
image_file_storage = DiskImageFileStorage(f"{output_folder}/images")
# TODO: build a file/path manager?
db_location = os.path.join(output_folder, "invokeai.db")
graph_execution_manager = SqliteItemStorage[GraphExecutionState](
filename=db_location, table_name="graph_executions"
)
image_record_storage = SqliteImageRecordStorage(db_location)
images_new = ImageService(
image_record_storage=image_record_storage,
image_file_storage=image_file_storage,
metadata=metadata,
url=urls,
logger=logger,
)
services = InvocationServices(
model_manager=get_model_manager(config, logger),
events=events,
latents=latents,
images=image_file_storage,
images_new=images_new,
queue=MemoryInvocationQueue(),
graph_library=SqliteItemStorage[LibraryGraph](
filename=db_location, table_name="graphs"
),
graph_execution_manager=graph_execution_manager,
processor=DefaultInvocationProcessor(),
restoration=RestorationServices(config,logger),
configuration=config,
logger=logger,
)
create_system_graphs(services.graph_library)
ApiDependencies.invoker = Invoker(services)
@staticmethod
def shutdown():
if ApiDependencies.invoker:
ApiDependencies.invoker.stop()