InvokeAI/invokeai/app/services/default_graphs.py

61 lines
3.0 KiB
Python

from ..invocations.latent import LatentsToImageInvocation, NoiseInvocation, TextToLatentsInvocation
from ..invocations.compel import CompelInvocation
from ..invocations.params import ParamIntInvocation
from .graph import Edge, EdgeConnection, ExposedNodeInput, ExposedNodeOutput, Graph, LibraryGraph
from .item_storage import ItemStorageABC
default_text_to_image_graph_id = '539b2af5-2b4d-4d8c-8071-e54a3255fc74'
def create_text_to_image() -> LibraryGraph:
return LibraryGraph(
id=default_text_to_image_graph_id,
name='t2i',
description='Converts text to an image',
graph=Graph(
nodes={
'width': ParamIntInvocation(id='width', a=512),
'height': ParamIntInvocation(id='height', a=512),
'3': NoiseInvocation(id='3'),
'4': CompelInvocation(id='4'),
'5': TextToLatentsInvocation(id='5'),
'6': LatentsToImageInvocation(id='6'),
},
edges=[
Edge(source=EdgeConnection(node_id='width', field='a'), destination=EdgeConnection(node_id='3', field='width')),
Edge(source=EdgeConnection(node_id='height', field='a'), destination=EdgeConnection(node_id='3', field='height')),
Edge(source=EdgeConnection(node_id='width', field='a'), destination=EdgeConnection(node_id='5', field='width')),
Edge(source=EdgeConnection(node_id='height', field='a'), destination=EdgeConnection(node_id='5', field='height')),
Edge(source=EdgeConnection(node_id='3', field='noise'), destination=EdgeConnection(node_id='5', field='noise')),
Edge(source=EdgeConnection(node_id='5', field='latents'), destination=EdgeConnection(node_id='6', field='latents')),
Edge(source=EdgeConnection(node_id='4', field='positive'), destination=EdgeConnection(node_id='5', field='positive')),
Edge(source=EdgeConnection(node_id='4', field='negative'), destination=EdgeConnection(node_id='5', field='negative')),
]
),
exposed_inputs=[
ExposedNodeInput(node_path='4', field='positive_prompt', alias='prompt'), # TODO: cli uses concatenated prompt
ExposedNodeInput(node_path='width', field='a', alias='width'),
ExposedNodeInput(node_path='height', field='a', alias='height')
],
exposed_outputs=[
ExposedNodeOutput(node_path='6', field='image', alias='image')
])
def create_system_graphs(graph_library: ItemStorageABC[LibraryGraph]) -> list[LibraryGraph]:
"""Creates the default system graphs, or adds new versions if the old ones don't match"""
graphs: list[LibraryGraph] = list()
text_to_image = graph_library.get(default_text_to_image_graph_id)
# TODO: Check if the graph is the same as the default one, and if not, update it
#if text_to_image is None:
text_to_image = create_text_to_image()
graph_library.set(text_to_image)
graphs.append(text_to_image)
return graphs