fix(Clip): Fix bug in EOT token detection

lib/clip_config_bigg.json

@@ -0,0 +1,23 @@
+{
+  "architectures": [
+    "CLIPTextModel"
+  ],
+  "attention_dropout": 0.0,
+  "bos_token_id": 0,
+  "dropout": 0.0,
+  "eos_token_id": 2,
+  "hidden_act": "gelu",
+  "hidden_size": 1280,
+  "initializer_factor": 1.0,
+  "initializer_range": 0.02,
+  "intermediate_size": 5120,
+  "layer_norm_eps": 1e-05,
+  "max_position_embeddings": 77,
+  "model_type": "clip_text_model",
+  "num_attention_heads": 20,
+  "num_hidden_layers": 32,
+  "pad_token_id": 1,
+  "projection_dim": 1280,
+  "torch_dtype": "float32",
+  "vocab_size": 49408
+}

lib/clip_model.py

@@ -7,6 +7,7 @@ from transformers import CLIPTextConfig, modeling_utils
 
 from comfy import model_management
 import comfy.ops
+from comfy.sdxl_clip import SDXLClipModel
 from custom_nodes.KepPromptLang.lib.action.base import Action
 from custom_nodes.KepPromptLang.lib.actions.types import SegOrAction
 from custom_nodes.KepPromptLang.lib.fun_clip_stuff import PromptLangTextModel
@@ -209,3 +210,25 @@ class PromptLangClipModel(torch.nn.Module):
         if (len(output) == 0):
             return z_empty.cpu(), first_pooled.cpu()
         return torch.cat(output, dim=-2).cpu(), first_pooled.cpu()
+
+class PromptLangSDXLClipModel(SDXLClipModel):
+    def __init__(self, device="cpu", dtype=None) -> None:
+        # Skip SDXLClipModel's init
+        super(SDXLClipModel, self).__init__()
+        self.clip_l = PromptLangClipModel(layer="hidden", layer_idx=11, device=device, dtype=dtype)
+        self.clip_l.layer_norm_hidden_state = False
+        self.clip_g = PromptLangSDXLClipG(device, dtype)
+
+class PromptLangSDXLClipG(PromptLangClipModel):
+    def __init__(self, device="cpu", max_length=77, freeze=True, layer="penultimate", layer_idx=None, textmodel_path=None, dtype=None):
+        if layer == "penultimate":
+            layer="hidden"
+            layer_idx=-2
+
+        textmodel_json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_config_bigg.json")
+        super().__init__(device=device, freeze=freeze, layer=layer, layer_idx=layer_idx, textmodel_json_config=textmodel_json_config, textmodel_path=textmodel_path, dtype=dtype)
+        self.empty_tokens = [[49406] + [49407] + [0] * 75]
+        self.layer_norm_hidden_state = False
+
+    def load_sd(self, sd):
+        return super().load_sd(sd)

lib/fun_clip_stuff.py

@@ -143,6 +143,9 @@ class PrompLangCLIPTextTransformer(CLIPTextTransformer):
                 else:
                     if seg_or_action.text == '__PAD__':
                         break
+
+                    # Is a segment, and isn't the pad segment
+                    idx += seg_or_action.token_length()
             eot_idx.append(idx)
         # text_embeds.shape = [batch_size, sequence_length, transformer.width]
         # take features from the eot embedding (eot_token is the highest number in each sequence)

lib/tokenizer.py

@@ -1,4 +1,4 @@
-from typing import List
+from typing import List, Dict
 
 from lark import Tree
 
@@ -10,7 +10,7 @@ from custom_nodes.KepPromptLang.lib.parser.transformer import PromptTransformer
 from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
 
 class PromptLangTokenizer(SD1Tokenizer):
-    def __init__(self, tokenizer_path=None, max_length=77, pad_with_end=True, embedding_directory=None, embedding_size=768, embedding_key='clip_l', special_tokens=None):
+    def __init__(self, tokenizer_path=None, max_length=77, pad_with_end=True, embedding_directory=None, embedding_size=768, embedding_key='clip_l', special_tokens=None) -> None:
         super().__init__(tokenizer_path, max_length, pad_with_end, embedding_directory, embedding_size, embedding_key)
 
     """
@@ -66,3 +66,20 @@ class PromptLangTokenizer(SD1Tokenizer):
         #     batch_size_info(batch)
 
         return batched_segments
+
+
+class PromptLangSDXLClipGTokenizer(PromptLangTokenizer):
+    def __init__(self, tokenizer_path=None, embedding_directory=None) -> None:
+        super().__init__(tokenizer_path, pad_with_end=False, embedding_directory=embedding_directory, embedding_size=1280, embedding_key='clip_g')
+
+
+class PromptLangSDXLTokenizer(SD1Tokenizer):
+    def __init__(self, embedding_directory=None) -> None:
+        self.clip_l = PromptLangTokenizer(embedding_directory=embedding_directory)
+        self.clip_g = PromptLangSDXLClipGTokenizer(embedding_directory=embedding_directory)
+
+    def tokenize_with_weights(self, text:str, return_word_ids=False) -> Dict[str, List[List[SegOrAction]]]:
+        out = {}
+        out["g"] = self.clip_g.tokenize_with_weights(text, return_word_ids)
+        out["l"] = self.clip_l.tokenize_with_weights(text, return_word_ids)
+        return out

nodes.py

@@ -8,9 +8,18 @@ from PIL import Image
 import folder_paths
 import comfy.sd
 import comfy.ops
-from custom_nodes.KepPromptLang.lib.clip_model import PromptLangClipModel
+from comfy.sd2_clip import SD2ClipModel
+from comfy.sdxl_clip import SDXLClipModel
+from comfy.supported_models_base import ClipTarget
+from custom_nodes.KepPromptLang.lib.clip_model import (
+    PromptLangClipModel,
+    PromptLangSDXLClipModel,
+)
 
-from custom_nodes.KepPromptLang.lib.tokenizer import PromptLangTokenizer
+from custom_nodes.KepPromptLang.lib.tokenizer import (
+    PromptLangTokenizer,
+    PromptLangSDXLTokenizer,
+)
 
 
 class EmptyClass:
@@ -33,15 +42,21 @@ class SpecialClipLoader:
 
     @staticmethod
     def load_clip(source_clip: comfy.sd.CLIP) -> Tuple[comfy.sd.CLIP]:
-        clip_target = EmptyClass()
-        clip_target.params = {}
-        clip_target.clip = PromptLangClipModel
-        clip_target.tokenizer = PromptLangTokenizer
 
-        clip = comfy.sd.CLIP(clip_target, embedding_directory=source_clip.tokenizer.embedding_directory)
-        comfy.sd.load_clip_weights(
-            clip.cond_stage_model, source_clip.cond_stage_model.state_dict()
-        )
+        if isinstance(source_clip.cond_stage_model, SDXLClipModel):
+            clip_target = ClipTarget(PromptLangSDXLTokenizer, PromptLangSDXLClipModel)
+            clip = comfy.sd.CLIP(clip_target, embedding_directory=source_clip.tokenizer.clip_g.embedding_directory)
+            comfy.sd.load_clip_weights(
+                clip.cond_stage_model, source_clip.cond_stage_model.state_dict()
+            )
+        elif isinstance(source_clip, SD2ClipModel):
+            raise ValueError("SD2 Clip model is not supported.")
+        else:
+            clip_target = ClipTarget(PromptLangTokenizer, PromptLangClipModel)
+            clip = comfy.sd.CLIP(clip_target, embedding_directory=source_clip.tokenizer.embedding_directory)
+            comfy.sd.load_clip_weights(
+                clip.cond_stage_model, source_clip.cond_stage_model.state_dict()
+            )
         return (clip,)