mirror of
https://github.com/invoke-ai/InvokeAI
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576 lines
22 KiB
Python
576 lines
22 KiB
Python
from typing import Iterator, List, Optional, Tuple, Union
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import torch
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from compel import Compel, ReturnedEmbeddingsType
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from compel.prompt_parser import Blend, Conjunction, CrossAttentionControlSubstitute, FlattenedPrompt, Fragment
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from transformers import CLIPTokenizer, CLIPTextModel
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import invokeai.backend.util.logging as logger
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from invokeai.app.invocations.fields import (
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FieldDescriptions,
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Input,
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InputField,
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OutputField,
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UIComponent,
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)
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from invokeai.app.invocations.primitives import ConditioningOutput
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from invokeai.app.services.model_records import UnknownModelException
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from invokeai.app.services.shared.invocation_context import InvocationContext
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from invokeai.app.util.ti_utils import extract_ti_triggers_from_prompt
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from invokeai.backend.lora import LoRAModelRaw
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from invokeai.backend.model_manager.config import ModelType
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from invokeai.backend.model_patcher import ModelPatcher
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from invokeai.backend.stable_diffusion.diffusion.conditioning_data import (
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BasicConditioningInfo,
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ConditioningFieldData,
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ExtraConditioningInfo,
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SDXLConditioningInfo,
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)
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from invokeai.backend.textual_inversion import TextualInversionModelRaw
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from invokeai.backend.util.devices import torch_dtype
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from .baseinvocation import (
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BaseInvocation,
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BaseInvocationOutput,
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invocation,
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invocation_output,
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)
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from .model import ClipField
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# unconditioned: Optional[torch.Tensor]
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# class ConditioningAlgo(str, Enum):
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# Compose = "compose"
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# ComposeEx = "compose_ex"
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# PerpNeg = "perp_neg"
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@invocation(
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"compel",
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title="Prompt",
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tags=["prompt", "compel"],
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category="conditioning",
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version="1.0.1",
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)
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class CompelInvocation(BaseInvocation):
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"""Parse prompt using compel package to conditioning."""
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prompt: str = InputField(
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default="",
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description=FieldDescriptions.compel_prompt,
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ui_component=UIComponent.Textarea,
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)
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clip: ClipField = InputField(
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title="CLIP",
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description=FieldDescriptions.clip,
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input=Input.Connection,
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)
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@torch.no_grad()
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def invoke(self, context: InvocationContext) -> ConditioningOutput:
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tokenizer_info = context.models.load(**self.clip.tokenizer.model_dump())
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tokenizer_model = tokenizer_info.model
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assert isinstance(tokenizer_model, CLIPTokenizer)
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text_encoder_info = context.models.load(**self.clip.text_encoder.model_dump())
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text_encoder_model = text_encoder_info.model
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assert isinstance(text_encoder_model, CLIPTextModel)
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def _lora_loader() -> Iterator[Tuple[LoRAModelRaw, float]]:
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for lora in self.clip.loras:
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lora_info = context.models.load(**lora.model_dump(exclude={"weight"}))
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assert isinstance(lora_info.model, LoRAModelRaw)
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yield (lora_info.model, lora.weight)
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del lora_info
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return
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# loras = [(context.models.get(**lora.dict(exclude={"weight"})).context.model, lora.weight) for lora in self.clip.loras]
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ti_list: List[Tuple[str, TextualInversionModelRaw]] = []
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for trigger in extract_ti_triggers_from_prompt(self.prompt):
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name_or_key = trigger[1:-1]
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try:
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loaded_model = context.models.load(key=name_or_key)
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model = loaded_model.model
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assert isinstance(model, TextualInversionModelRaw)
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ti_list.append((name_or_key, model))
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except UnknownModelException:
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try:
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loaded_model = context.models.load_by_attrs(
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model_name=name_or_key, base_model=text_encoder_info.config.base, model_type=ModelType.TextualInversion
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)
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model = loaded_model.model
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assert isinstance(model, TextualInversionModelRaw)
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ti_list.append((name_or_key, model))
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except UnknownModelException:
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logger.warning(f'trigger: "{trigger}" not found')
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except ValueError:
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logger.warning(f'trigger: "{trigger}" more than one similarly-named textual inversion models')
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with (
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ModelPatcher.apply_ti(tokenizer_model, text_encoder_model, ti_list) as (
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tokenizer,
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ti_manager,
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),
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text_encoder_info as text_encoder,
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# Apply the LoRA after text_encoder has been moved to its target device for faster patching.
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ModelPatcher.apply_lora_text_encoder(text_encoder, _lora_loader()),
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# Apply CLIP Skip after LoRA to prevent LoRA application from failing on skipped layers.
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ModelPatcher.apply_clip_skip(text_encoder_info.model, self.clip.skipped_layers),
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):
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assert isinstance(text_encoder, CLIPTextModel)
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compel = Compel(
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tokenizer=tokenizer,
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text_encoder=text_encoder,
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textual_inversion_manager=ti_manager,
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dtype_for_device_getter=torch_dtype,
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truncate_long_prompts=False,
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)
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conjunction = Compel.parse_prompt_string(self.prompt)
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if context.config.get().log_tokenization:
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log_tokenization_for_conjunction(conjunction, tokenizer)
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c, options = compel.build_conditioning_tensor_for_conjunction(conjunction)
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ec = ExtraConditioningInfo(
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tokens_count_including_eos_bos=get_max_token_count(tokenizer, conjunction),
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cross_attention_control_args=options.get("cross_attention_control", None),
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)
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c = c.detach().to("cpu")
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conditioning_data = ConditioningFieldData(
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conditionings=[
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BasicConditioningInfo(
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embeds=c,
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extra_conditioning=ec,
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)
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]
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)
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conditioning_name = context.conditioning.save(conditioning_data)
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return ConditioningOutput.build(conditioning_name)
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class SDXLPromptInvocationBase:
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"""Prompt processor for SDXL models."""
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def run_clip_compel(
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self,
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context: InvocationContext,
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clip_field: ClipField,
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prompt: str,
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get_pooled: bool,
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lora_prefix: str,
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zero_on_empty: bool,
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) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[ExtraConditioningInfo]]:
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tokenizer_info = context.models.load(**clip_field.tokenizer.model_dump())
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tokenizer_model = tokenizer_info.model
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assert isinstance(tokenizer_model, CLIPTokenizer)
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text_encoder_info = context.models.load(**clip_field.text_encoder.model_dump())
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text_encoder_model = text_encoder_info.model
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assert isinstance(text_encoder_model, CLIPTextModel)
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# return zero on empty
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if prompt == "" and zero_on_empty:
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cpu_text_encoder = text_encoder_info.model
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assert isinstance(cpu_text_encoder, torch.nn.Module)
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c = torch.zeros(
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(
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1,
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cpu_text_encoder.config.max_position_embeddings,
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cpu_text_encoder.config.hidden_size,
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),
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dtype=cpu_text_encoder.dtype,
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)
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if get_pooled:
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c_pooled = torch.zeros(
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(1, cpu_text_encoder.config.hidden_size),
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dtype=c.dtype,
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)
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else:
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c_pooled = None
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return c, c_pooled, None
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def _lora_loader() -> Iterator[Tuple[LoRAModelRaw, float]]:
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for lora in clip_field.loras:
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lora_info = context.models.load(**lora.model_dump(exclude={"weight"}))
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lora_model = lora_info.model
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assert isinstance(lora_model, LoRAModelRaw)
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yield (lora_model, lora.weight)
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del lora_info
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return
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# loras = [(context.models.get(**lora.dict(exclude={"weight"})).context.model, lora.weight) for lora in self.clip.loras]
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ti_list: List[Tuple[str, TextualInversionModelRaw]] = []
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for trigger in extract_ti_triggers_from_prompt(prompt):
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name_or_key = trigger[1:-1]
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try:
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loaded_model = context.models.load(key=name_or_key)
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model = loaded_model.model
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assert isinstance(model, TextualInversionModelRaw)
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ti_list.append((name_or_key, model))
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except UnknownModelException:
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try:
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loaded_model = context.models.load_by_attrs(
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model_name=name_or_key, base_model=text_encoder_info.config.base, model_type=ModelType.TextualInversion
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)
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model = loaded_model.model
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assert isinstance(model, TextualInversionModelRaw)
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ti_list.append((name_or_key, model))
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except UnknownModelException:
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logger.warning(f'trigger: "{trigger}" not found')
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except ValueError:
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logger.warning(f'trigger: "{trigger}" more than one similarly-named textual inversion models')
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with (
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ModelPatcher.apply_ti(tokenizer_model, text_encoder_model, ti_list) as (
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tokenizer,
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ti_manager,
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),
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text_encoder_info as text_encoder,
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# Apply the LoRA after text_encoder has been moved to its target device for faster patching.
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ModelPatcher.apply_lora(text_encoder, _lora_loader(), lora_prefix),
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# Apply CLIP Skip after LoRA to prevent LoRA application from failing on skipped layers.
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ModelPatcher.apply_clip_skip(text_encoder_model, clip_field.skipped_layers),
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):
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assert isinstance(text_encoder, CLIPTextModel)
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compel = Compel(
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tokenizer=tokenizer,
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text_encoder=text_encoder,
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textual_inversion_manager=ti_manager,
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dtype_for_device_getter=torch_dtype,
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truncate_long_prompts=False, # TODO:
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returned_embeddings_type=ReturnedEmbeddingsType.PENULTIMATE_HIDDEN_STATES_NON_NORMALIZED, # TODO: clip skip
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requires_pooled=get_pooled,
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)
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conjunction = Compel.parse_prompt_string(prompt)
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if context.config.get().log_tokenization:
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# TODO: better logging for and syntax
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log_tokenization_for_conjunction(conjunction, tokenizer)
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# TODO: ask for optimizations? to not run text_encoder twice
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c, options = compel.build_conditioning_tensor_for_conjunction(conjunction)
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if get_pooled:
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c_pooled = compel.conditioning_provider.get_pooled_embeddings([prompt])
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else:
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c_pooled = None
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ec = ExtraConditioningInfo(
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tokens_count_including_eos_bos=get_max_token_count(tokenizer, conjunction),
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cross_attention_control_args=options.get("cross_attention_control", None),
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)
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del tokenizer
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del text_encoder
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del tokenizer_info
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del text_encoder_info
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c = c.detach().to("cpu")
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if c_pooled is not None:
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c_pooled = c_pooled.detach().to("cpu")
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return c, c_pooled, ec
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@invocation(
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"sdxl_compel_prompt",
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title="SDXL Prompt",
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tags=["sdxl", "compel", "prompt"],
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category="conditioning",
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version="1.0.1",
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)
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class SDXLCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
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"""Parse prompt using compel package to conditioning."""
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prompt: str = InputField(
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default="",
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description=FieldDescriptions.compel_prompt,
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ui_component=UIComponent.Textarea,
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)
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style: str = InputField(
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default="",
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description=FieldDescriptions.compel_prompt,
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ui_component=UIComponent.Textarea,
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)
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original_width: int = InputField(default=1024, description="")
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original_height: int = InputField(default=1024, description="")
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crop_top: int = InputField(default=0, description="")
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crop_left: int = InputField(default=0, description="")
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target_width: int = InputField(default=1024, description="")
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target_height: int = InputField(default=1024, description="")
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clip: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection, title="CLIP 1")
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clip2: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection, title="CLIP 2")
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@torch.no_grad()
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def invoke(self, context: InvocationContext) -> ConditioningOutput:
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c1, c1_pooled, ec1 = self.run_clip_compel(
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context, self.clip, self.prompt, False, "lora_te1_", zero_on_empty=True
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)
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if self.style.strip() == "":
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c2, c2_pooled, ec2 = self.run_clip_compel(
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context, self.clip2, self.prompt, True, "lora_te2_", zero_on_empty=True
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)
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else:
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c2, c2_pooled, ec2 = self.run_clip_compel(
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context, self.clip2, self.style, True, "lora_te2_", zero_on_empty=True
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)
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original_size = (self.original_height, self.original_width)
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crop_coords = (self.crop_top, self.crop_left)
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target_size = (self.target_height, self.target_width)
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add_time_ids = torch.tensor([original_size + crop_coords + target_size])
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# [1, 77, 768], [1, 154, 1280]
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if c1.shape[1] < c2.shape[1]:
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c1 = torch.cat(
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[
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c1,
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torch.zeros(
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(c1.shape[0], c2.shape[1] - c1.shape[1], c1.shape[2]),
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device=c1.device,
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dtype=c1.dtype,
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),
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],
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dim=1,
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)
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elif c1.shape[1] > c2.shape[1]:
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c2 = torch.cat(
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[
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c2,
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torch.zeros(
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(c2.shape[0], c1.shape[1] - c2.shape[1], c2.shape[2]),
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device=c2.device,
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dtype=c2.dtype,
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),
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],
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dim=1,
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)
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assert c2_pooled is not None
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conditioning_data = ConditioningFieldData(
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conditionings=[
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SDXLConditioningInfo(
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embeds=torch.cat([c1, c2], dim=-1),
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pooled_embeds=c2_pooled,
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add_time_ids=add_time_ids,
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extra_conditioning=ec1,
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)
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]
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)
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conditioning_name = context.conditioning.save(conditioning_data)
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return ConditioningOutput.build(conditioning_name)
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@invocation(
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"sdxl_refiner_compel_prompt",
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title="SDXL Refiner Prompt",
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tags=["sdxl", "compel", "prompt"],
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category="conditioning",
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version="1.0.1",
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)
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class SDXLRefinerCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
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"""Parse prompt using compel package to conditioning."""
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style: str = InputField(
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default="",
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description=FieldDescriptions.compel_prompt,
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ui_component=UIComponent.Textarea,
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) # TODO: ?
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original_width: int = InputField(default=1024, description="")
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original_height: int = InputField(default=1024, description="")
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crop_top: int = InputField(default=0, description="")
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crop_left: int = InputField(default=0, description="")
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aesthetic_score: float = InputField(default=6.0, description=FieldDescriptions.sdxl_aesthetic)
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clip2: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection)
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@torch.no_grad()
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def invoke(self, context: InvocationContext) -> ConditioningOutput:
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# TODO: if there will appear lora for refiner - write proper prefix
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c2, c2_pooled, ec2 = self.run_clip_compel(context, self.clip2, self.style, True, "<NONE>", zero_on_empty=False)
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original_size = (self.original_height, self.original_width)
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crop_coords = (self.crop_top, self.crop_left)
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add_time_ids = torch.tensor([original_size + crop_coords + (self.aesthetic_score,)])
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assert c2_pooled is not None
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conditioning_data = ConditioningFieldData(
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conditionings=[
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SDXLConditioningInfo(
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embeds=c2,
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pooled_embeds=c2_pooled,
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add_time_ids=add_time_ids,
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extra_conditioning=ec2, # or None
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)
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]
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)
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conditioning_name = context.conditioning.save(conditioning_data)
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return ConditioningOutput.build(conditioning_name)
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@invocation_output("clip_skip_output")
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class ClipSkipInvocationOutput(BaseInvocationOutput):
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"""Clip skip node output"""
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clip: Optional[ClipField] = OutputField(default=None, description=FieldDescriptions.clip, title="CLIP")
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@invocation(
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"clip_skip",
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title="CLIP Skip",
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tags=["clipskip", "clip", "skip"],
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category="conditioning",
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version="1.0.0",
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)
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class ClipSkipInvocation(BaseInvocation):
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"""Skip layers in clip text_encoder model."""
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clip: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection, title="CLIP")
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skipped_layers: int = InputField(default=0, ge=0, description=FieldDescriptions.skipped_layers)
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def invoke(self, context: InvocationContext) -> ClipSkipInvocationOutput:
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self.clip.skipped_layers += self.skipped_layers
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return ClipSkipInvocationOutput(
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clip=self.clip,
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)
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def get_max_token_count(
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tokenizer: CLIPTokenizer,
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prompt: Union[FlattenedPrompt, Blend, Conjunction],
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truncate_if_too_long: bool = False,
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) -> int:
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if type(prompt) is Blend:
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blend: Blend = prompt
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return max([get_max_token_count(tokenizer, p, truncate_if_too_long) for p in blend.prompts])
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elif type(prompt) is Conjunction:
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conjunction: Conjunction = prompt
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return sum([get_max_token_count(tokenizer, p, truncate_if_too_long) for p in conjunction.prompts])
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else:
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return len(get_tokens_for_prompt_object(tokenizer, prompt, truncate_if_too_long))
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def get_tokens_for_prompt_object(
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tokenizer: CLIPTokenizer, parsed_prompt: FlattenedPrompt, truncate_if_too_long: bool = True
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) -> List[str]:
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if type(parsed_prompt) is Blend:
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raise ValueError("Blend is not supported here - you need to get tokens for each of its .children")
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text_fragments = [
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(
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x.text
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if type(x) is Fragment
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else (" ".join([f.text for f in x.original]) if type(x) is CrossAttentionControlSubstitute else str(x))
|
|
)
|
|
for x in parsed_prompt.children
|
|
]
|
|
text = " ".join(text_fragments)
|
|
tokens: List[str] = tokenizer.tokenize(text)
|
|
if truncate_if_too_long:
|
|
max_tokens_length = tokenizer.model_max_length - 2 # typically 75
|
|
tokens = tokens[0:max_tokens_length]
|
|
return tokens
|
|
|
|
|
|
def log_tokenization_for_conjunction(
|
|
c: Conjunction, tokenizer: CLIPTokenizer, display_label_prefix: Optional[str] = None
|
|
) -> None:
|
|
display_label_prefix = display_label_prefix or ""
|
|
for i, p in enumerate(c.prompts):
|
|
if len(c.prompts) > 1:
|
|
this_display_label_prefix = f"{display_label_prefix}(conjunction part {i + 1}, weight={c.weights[i]})"
|
|
else:
|
|
assert display_label_prefix is not None
|
|
this_display_label_prefix = display_label_prefix
|
|
log_tokenization_for_prompt_object(p, tokenizer, display_label_prefix=this_display_label_prefix)
|
|
|
|
|
|
def log_tokenization_for_prompt_object(
|
|
p: Union[Blend, FlattenedPrompt], tokenizer: CLIPTokenizer, display_label_prefix: Optional[str] = None
|
|
) -> None:
|
|
display_label_prefix = display_label_prefix or ""
|
|
if type(p) is Blend:
|
|
blend: Blend = p
|
|
for i, c in enumerate(blend.prompts):
|
|
log_tokenization_for_prompt_object(
|
|
c,
|
|
tokenizer,
|
|
display_label_prefix=f"{display_label_prefix}(blend part {i + 1}, weight={blend.weights[i]})",
|
|
)
|
|
elif type(p) is FlattenedPrompt:
|
|
flattened_prompt: FlattenedPrompt = p
|
|
if flattened_prompt.wants_cross_attention_control:
|
|
original_fragments = []
|
|
edited_fragments = []
|
|
for f in flattened_prompt.children:
|
|
if type(f) is CrossAttentionControlSubstitute:
|
|
original_fragments += f.original
|
|
edited_fragments += f.edited
|
|
else:
|
|
original_fragments.append(f)
|
|
edited_fragments.append(f)
|
|
|
|
original_text = " ".join([x.text for x in original_fragments])
|
|
log_tokenization_for_text(
|
|
original_text,
|
|
tokenizer,
|
|
display_label=f"{display_label_prefix}(.swap originals)",
|
|
)
|
|
edited_text = " ".join([x.text for x in edited_fragments])
|
|
log_tokenization_for_text(
|
|
edited_text,
|
|
tokenizer,
|
|
display_label=f"{display_label_prefix}(.swap replacements)",
|
|
)
|
|
else:
|
|
text = " ".join([x.text for x in flattened_prompt.children])
|
|
log_tokenization_for_text(text, tokenizer, display_label=display_label_prefix)
|
|
|
|
|
|
def log_tokenization_for_text(
|
|
text: str,
|
|
tokenizer: CLIPTokenizer,
|
|
display_label: Optional[str] = None,
|
|
truncate_if_too_long: Optional[bool] = False,
|
|
) -> None:
|
|
"""shows how the prompt is tokenized
|
|
# usually tokens have '</w>' to indicate end-of-word,
|
|
# but for readability it has been replaced with ' '
|
|
"""
|
|
tokens = tokenizer.tokenize(text)
|
|
tokenized = ""
|
|
discarded = ""
|
|
usedTokens = 0
|
|
totalTokens = len(tokens)
|
|
|
|
for i in range(0, totalTokens):
|
|
token = tokens[i].replace("</w>", " ")
|
|
# alternate color
|
|
s = (usedTokens % 6) + 1
|
|
if truncate_if_too_long and i >= tokenizer.model_max_length:
|
|
discarded = discarded + f"\x1b[0;3{s};40m{token}"
|
|
else:
|
|
tokenized = tokenized + f"\x1b[0;3{s};40m{token}"
|
|
usedTokens += 1
|
|
|
|
if usedTokens > 0:
|
|
print(f'\n>> [TOKENLOG] Tokens {display_label or ""} ({usedTokens}):')
|
|
print(f"{tokenized}\x1b[0m")
|
|
|
|
if discarded != "":
|
|
print(f"\n>> [TOKENLOG] Tokens Discarded ({totalTokens - usedTokens}):")
|
|
print(f"{discarded}\x1b[0m")
|