InvokeAI/invokeai/app/invocations/t2i_adapter.py

97 lines
3.8 KiB
Python

from typing import Union
from pydantic import BaseModel, Field, field_validator, model_validator
from invokeai.app.invocations.baseinvocation import (
BaseInvocation,
BaseInvocationOutput,
invocation,
invocation_output,
)
from invokeai.app.invocations.fields import FieldDescriptions, ImageField, InputField, OutputField, UIType
from invokeai.app.invocations.model import ModelIdentifierField
from invokeai.app.invocations.util import validate_begin_end_step, validate_weights
from invokeai.app.services.shared.invocation_context import InvocationContext
from invokeai.app.util.controlnet_utils import CONTROLNET_RESIZE_VALUES
class T2IAdapterField(BaseModel):
image: ImageField = Field(description="The T2I-Adapter image prompt.")
t2i_adapter_model: ModelIdentifierField = Field(description="The T2I-Adapter model to use.")
weight: Union[float, list[float]] = Field(default=1, description="The weight given to the T2I-Adapter")
begin_step_percent: float = Field(
default=0, ge=0, le=1, description="When the T2I-Adapter is first applied (% of total steps)"
)
end_step_percent: float = Field(
default=1, ge=0, le=1, description="When the T2I-Adapter is last applied (% of total steps)"
)
resize_mode: CONTROLNET_RESIZE_VALUES = Field(default="just_resize", description="The resize mode to use")
@field_validator("weight")
@classmethod
def validate_ip_adapter_weight(cls, v):
validate_weights(v)
return v
@model_validator(mode="after")
def validate_begin_end_step_percent(self):
validate_begin_end_step(self.begin_step_percent, self.end_step_percent)
return self
@invocation_output("t2i_adapter_output")
class T2IAdapterOutput(BaseInvocationOutput):
t2i_adapter: T2IAdapterField = OutputField(description=FieldDescriptions.t2i_adapter, title="T2I Adapter")
@invocation(
"t2i_adapter", title="T2I-Adapter", tags=["t2i_adapter", "control"], category="t2i_adapter", version="1.0.3"
)
class T2IAdapterInvocation(BaseInvocation):
"""Collects T2I-Adapter info to pass to other nodes."""
# Inputs
image: ImageField = InputField(description="The IP-Adapter image prompt.")
t2i_adapter_model: ModelIdentifierField = InputField(
description="The T2I-Adapter model.",
title="T2I-Adapter Model",
ui_order=-1,
ui_type=UIType.T2IAdapterModel,
)
weight: Union[float, list[float]] = InputField(
default=1, ge=0, description="The weight given to the T2I-Adapter", title="Weight"
)
begin_step_percent: float = InputField(
default=0, ge=0, le=1, description="When the T2I-Adapter is first applied (% of total steps)"
)
end_step_percent: float = InputField(
default=1, ge=0, le=1, description="When the T2I-Adapter is last applied (% of total steps)"
)
resize_mode: CONTROLNET_RESIZE_VALUES = InputField(
default="just_resize",
description="The resize mode applied to the T2I-Adapter input image so that it matches the target output size.",
)
@field_validator("weight")
@classmethod
def validate_ip_adapter_weight(cls, v):
validate_weights(v)
return v
@model_validator(mode="after")
def validate_begin_end_step_percent(self):
validate_begin_end_step(self.begin_step_percent, self.end_step_percent)
return self
def invoke(self, context: InvocationContext) -> T2IAdapterOutput:
return T2IAdapterOutput(
t2i_adapter=T2IAdapterField(
image=self.image,
t2i_adapter_model=self.t2i_adapter_model,
weight=self.weight,
begin_step_percent=self.begin_step_percent,
end_step_percent=self.end_step_percent,
resize_mode=self.resize_mode,
)
)