feat: only use valid inline loras, add subfolder support (#2968)

modules/config.py

@@ -547,6 +547,7 @@ with open(config_example_path, "w", encoding="utf-8") as json_file:
 
 model_filenames = []
 lora_filenames = []
+lora_filenames_no_special = []
 vae_filenames = []
 wildcard_filenames = []
 
@@ -556,6 +557,16 @@ sdxl_hyper_sd_lora = 'sdxl_hyper_sd_4step_lora.safetensors'
 loras_metadata_remove = [sdxl_lcm_lora, sdxl_lightning_lora, sdxl_hyper_sd_lora]
 
 
+def remove_special_loras(lora_filenames):
+    global loras_metadata_remove
+
+    loras_no_special = lora_filenames.copy()
+    for lora_to_remove in loras_metadata_remove:
+        if lora_to_remove in loras_no_special:
+            loras_no_special.remove(lora_to_remove)
+    return loras_no_special
+
+
 def get_model_filenames(folder_paths, extensions=None, name_filter=None):
     if extensions is None:
         extensions = ['.pth', '.ckpt', '.bin', '.safetensors', '.fooocus.patch']
@@ -570,9 +581,10 @@ def get_model_filenames(folder_paths, extensions=None, name_filter=None):
 
 
 def update_files():
-    global model_filenames, lora_filenames, vae_filenames, wildcard_filenames, available_presets
+    global model_filenames, lora_filenames, lora_filenames_no_special, vae_filenames, wildcard_filenames, available_presets
     model_filenames = get_model_filenames(paths_checkpoints)
     lora_filenames = get_model_filenames(paths_loras)
+    lora_filenames_no_special = remove_special_loras(lora_filenames)
     vae_filenames = get_model_filenames(path_vae)
     wildcard_filenames = get_files_from_folder(path_wildcards, ['.txt'])
     available_presets = get_presets()

modules/meta_parser.py

@@ -205,7 +205,6 @@ def get_lora(key: str, fallback: str | None, source_dict: dict, results: list):
 def get_sha256(filepath):
     global hash_cache
     if filepath not in hash_cache:
-        # is_safetensors = os.path.splitext(filepath)[1].lower() == '.safetensors'
         hash_cache[filepath] = sha256(filepath)
 
     return hash_cache[filepath]
@@ -293,12 +292,6 @@ class MetadataParser(ABC):
                 self.loras.append((Path(lora_name).stem, lora_weight, lora_hash))
         self.vae_name = Path(vae_name).stem
 
-    @staticmethod
-    def remove_special_loras(lora_filenames):
-        for lora_to_remove in modules.config.loras_metadata_remove:
-            if lora_to_remove in lora_filenames:
-                lora_filenames.remove(lora_to_remove)
-
 
 class A1111MetadataParser(MetadataParser):
     def get_scheme(self) -> MetadataScheme:
@@ -415,13 +408,11 @@ class A1111MetadataParser(MetadataParser):
             lora_data = data['lora_hashes']
 
         if lora_data != '':
-            lora_filenames = modules.config.lora_filenames.copy()
-            self.remove_special_loras(lora_filenames)
             for li, lora in enumerate(lora_data.split(', ')):
                 lora_split = lora.split(': ')
                 lora_name = lora_split[0]
                 lora_weight = lora_split[2] if len(lora_split) == 3 else lora_split[1]
-                for filename in lora_filenames:
+                for filename in modules.config.lora_filenames_no_special:
                     path = Path(filename)
                     if lora_name == path.stem:
                         data[f'lora_combined_{li + 1}'] = f'{filename} : {lora_weight}'
@@ -510,19 +501,15 @@ class FooocusMetadataParser(MetadataParser):
         return MetadataScheme.FOOOCUS
 
     def parse_json(self, metadata: dict) -> dict:
-        model_filenames = modules.config.model_filenames.copy()
-        lora_filenames = modules.config.lora_filenames.copy()
-        vae_filenames = modules.config.vae_filenames.copy()
-        self.remove_special_loras(lora_filenames)
         for key, value in metadata.items():
             if value in ['', 'None']:
                 continue
             if key in ['base_model', 'refiner_model']:
-                metadata[key] = self.replace_value_with_filename(key, value, model_filenames)
+                metadata[key] = self.replace_value_with_filename(key, value, modules.config.model_filenames)
             elif key.startswith('lora_combined_'):
-                metadata[key] = self.replace_value_with_filename(key, value, lora_filenames)
+                metadata[key] = self.replace_value_with_filename(key, value, modules.config.lora_filenames_no_special)
             elif key == 'vae':
-                metadata[key] = self.replace_value_with_filename(key, value, vae_filenames)
+                metadata[key] = self.replace_value_with_filename(key, value, modules.config.vae_filenames)
             else:
                 continue
 

modules/util.py

@@ -1,3 +1,5 @@
+from pathlib import Path
+
 import numpy as np
 import datetime
 import random
@@ -360,6 +362,14 @@ def is_json(data: str) -> bool:
     return True
 
 
+def get_filname_by_stem(lora_name, filenames: List[str]) -> str | None:
+    for filename in filenames:
+        path = Path(filename)
+        if lora_name == path.stem:
+            return filename
+    return None
+
+
 def get_file_from_folder_list(name, folders):
     if not isinstance(folders, list):
         folders = [folders]
@@ -377,28 +387,35 @@ def get_enabled_loras(loras: list, remove_none=True) -> list:
 
 
 def parse_lora_references_from_prompt(prompt: str, loras: List[Tuple[AnyStr, float]], loras_limit: int = 5,
-                                      prompt_cleanup=True, deduplicate_loras=True) -> tuple[List[Tuple[AnyStr, float]], str]:
+                                      skip_file_check=False, prompt_cleanup=True, deduplicate_loras=True) -> tuple[List[Tuple[AnyStr, float]], str]:
     found_loras = []
-    prompt_without_loras = ""
+    prompt_without_loras = ''
-    for token in prompt.split(" "):
+    cleaned_prompt = ''
+    for token in prompt.split(','):
         matches = LORAS_PROMPT_PATTERN.findall(token)
 
-        if matches:
+        if len(matches) == 0:
-            for match in matches:
+            prompt_without_loras += token + ', '
-                found_loras.append((f"{match[1]}.safetensors", float(match[2])))
+            continue
-                prompt_without_loras += token.replace(match[0], '')
+        for match in matches:
-        else:
+            lora_name = match[1] + '.safetensors'
-            prompt_without_loras += token
+            if not skip_file_check:
-        prompt_without_loras += ' '
+                lora_name = get_filname_by_stem(match[1], modules.config.lora_filenames_no_special)
+            if lora_name is not None:
+                found_loras.append((lora_name, float(match[2])))
+            token = token.replace(match[0], '')
+        prompt_without_loras += token + ', '
+
+    if prompt_without_loras != '':
+        cleaned_prompt = prompt_without_loras[:-2]
 
-    cleaned_prompt = prompt_without_loras[:-1]
     if prompt_cleanup:
         cleaned_prompt = cleanup_prompt(prompt_without_loras)
 
     new_loras = []
     lora_names = [lora[0] for lora in loras]
     for found_lora in found_loras:
-        if deduplicate_loras and found_lora[0] in lora_names:
+        if deduplicate_loras and (found_lora[0] in lora_names or found_lora in new_loras):
             continue
         new_loras.append(found_lora)
 

tests/test_utils.py

@@ -7,13 +7,13 @@ class TestUtils(unittest.TestCase):
     def test_can_parse_tokens_with_lora(self):
         test_cases = [
             {
-                "input": ("some prompt, very cool, <lora:hey-lora:0.4>,  cool   <lora:you-lora:0.2>", [], 5),
+                "input": ("some prompt, very cool, <lora:hey-lora:0.4>,  cool   <lora:you-lora:0.2>", [], 5, True),
                 "output": (
                     [('hey-lora.safetensors', 0.4), ('you-lora.safetensors', 0.2)], 'some prompt, very cool, cool'),
             },
             # Test can not exceed limit
             {
-                "input": ("some prompt, very cool, <lora:hey-lora:0.4>,  cool   <lora:you-lora:0.2>", [], 1),
+                "input": ("some prompt, very cool, <lora:hey-lora:0.4>,  cool   <lora:you-lora:0.2>", [], 1, True),
                 "output": (
                     [('hey-lora.safetensors', 0.4)],
                     'some prompt, very cool, cool'
@@ -25,6 +25,7 @@ class TestUtils(unittest.TestCase):
                     "some prompt, very cool, <lora:l1:0.4>, <lora:l2:-0.2>, <lora:l3:0.3>, <lora:l4:0.5>, <lora:l6:0.24>, <lora:l7:0.1>",
                     [("hey-lora.safetensors", 0.4)],
                     5,
+                    True
                 ),
                 "output": (
                     [
@@ -37,18 +38,35 @@ class TestUtils(unittest.TestCase):
                     'some prompt, very cool'
                 )
             },
+            # test correct matching even if there is no space separating loras in the same token
             {
-                "input": ("some prompt, very cool, <lora:hey-lora:0.4><lora:you-lora:0.2>", [], 3),
+                "input": ("some prompt, very cool, <lora:hey-lora:0.4><lora:you-lora:0.2>", [], 3, True),
                 "output": (
                     [
                         ('hey-lora.safetensors', 0.4),
                         ('you-lora.safetensors', 0.2)
                     ],
-                    'some prompt, very cool, <lora:you-lora:0.2><lora:hey-lora:0.4>'
+                    'some prompt, very cool'
+                ),
+            },
+            # test deduplication, also selected loras are never overridden with loras in prompt
+            {
+                "input": (
+                    "some prompt, very cool, <lora:hey-lora:0.4><lora:hey-lora:0.4><lora:you-lora:0.2>",
+                    [('you-lora.safetensors', 0.3)],
+                    3,
+                    True
+                ),
+                "output": (
+                    [
+                        ('you-lora.safetensors', 0.3),
+                        ('hey-lora.safetensors', 0.4)
+                    ],
+                    'some prompt, very cool'
                 ),
             },
             {
-                "input": ("<lora:foo:1..2>, <lora:bar:.>, <test:1.0>, <lora:baz:+> and <lora:quux:>", [], 6),
+                "input": ("<lora:foo:1..2>, <lora:bar:.>, <test:1.0>, <lora:baz:+> and <lora:quux:>", [], 6, True),
                 "output": (
                     [],
                     '<lora:foo:1..2>, <lora:bar:.>, <test:1.0>, <lora:baz:+> and <lora:quux:>'
@@ -57,7 +75,7 @@ class TestUtils(unittest.TestCase):
         ]
 
         for test in test_cases:
-            prompt, loras, loras_limit = test["input"]
+            prompt, loras, loras_limit, skip_file_check = test["input"]
             expected = test["output"]
-            actual = util.parse_lora_references_from_prompt(prompt, loras, loras_limit)
+            actual = util.parse_lora_references_from_prompt(prompt, loras, loras_limit=loras_limit, skip_file_check=skip_file_check)
             self.assertEqual(expected, actual)