Allow folder_paths base_path to be customised.

folder_paths.py

@@ -12,38 +12,81 @@ supported_pt_extensions: set[str] = {'.ckpt', '.pt', '.bin', '.pth', '.safetenso
 folder_names_and_paths: dict[str, tuple[list[str], set[str]]] = {}
 filename_list_cache: dict[str, tuple[list[str], dict[str, float], float]] = {}
 
-base_path = os.path.dirname(os.path.realpath(__file__))
-models_dir = os.path.join(base_path, "models")
-folder_names_and_paths["checkpoints"] = ([os.path.join(models_dir, "checkpoints")], supported_pt_extensions)
-folder_names_and_paths["configs"] = ([os.path.join(models_dir, "configs")], [".yaml"])
 
-folder_names_and_paths["loras"] = ([os.path.join(models_dir, "loras")], supported_pt_extensions)
+def reset_all_paths(new_base_path: str) -> None:
-folder_names_and_paths["vae"] = ([os.path.join(models_dir, "vae")], supported_pt_extensions)
+    """
-folder_names_and_paths["text_encoders"] = ([os.path.join(models_dir, "text_encoders"), os.path.join(models_dir, "clip")], supported_pt_extensions)
+    Internal use only. Designed for use immediately after startup.
-folder_names_and_paths["diffusion_models"] = ([os.path.join(models_dir, "unet"), os.path.join(models_dir, "diffusion_models")], supported_pt_extensions)
-folder_names_and_paths["clip_vision"] = ([os.path.join(models_dir, "clip_vision")], supported_pt_extensions)
-folder_names_and_paths["style_models"] = ([os.path.join(models_dir, "style_models")], supported_pt_extensions)
-folder_names_and_paths["embeddings"] = ([os.path.join(models_dir, "embeddings")], supported_pt_extensions)
-folder_names_and_paths["diffusers"] = ([os.path.join(models_dir, "diffusers")], ["folder"])
-folder_names_and_paths["vae_approx"] = ([os.path.join(models_dir, "vae_approx")], supported_pt_extensions)
 
-folder_names_and_paths["controlnet"] = ([os.path.join(models_dir, "controlnet"), os.path.join(models_dir, "t2i_adapter")], supported_pt_extensions)
+    Removes all existing known paths, clears the filename cache, and creates the defaults under a new base path.
-folder_names_and_paths["gligen"] = ([os.path.join(models_dir, "gligen")], supported_pt_extensions)
 
-folder_names_and_paths["upscale_models"] = ([os.path.join(models_dir, "upscale_models")], supported_pt_extensions)
+    Paths:
+    - All default model paths
+    - input
+    - output
+    - temp
+    - user
+    - custom_nodes
 
-folder_names_and_paths["custom_nodes"] = ([os.path.join(base_path, "custom_nodes")], set())
+    Also creates the input directory if missing.
 
-folder_names_and_paths["hypernetworks"] = ([os.path.join(models_dir, "hypernetworks")], supported_pt_extensions)
+    Args:
+        new_base_path: The base path to prepend to all default relative paths.
+    """
 
-folder_names_and_paths["photomaker"] = ([os.path.join(models_dir, "photomaker")], supported_pt_extensions)
+    global base_path
+    global models_dir
+    global output_directory
+    global temp_directory
+    global input_directory
+    global user_directory
 
-folder_names_and_paths["classifiers"] = ([os.path.join(models_dir, "classifiers")], {""})
+    filename_list_cache.clear()
+    folder_names_and_paths.clear()
+
+    base_path = new_base_path
+    models_dir = os.path.join(base_path, "models")
+    folder_names_and_paths["checkpoints"] = ([os.path.join(models_dir, "checkpoints")], supported_pt_extensions)
+    folder_names_and_paths["configs"] = ([os.path.join(models_dir, "configs")], [".yaml"])
+
+    folder_names_and_paths["loras"] = ([os.path.join(models_dir, "loras")], supported_pt_extensions)
+    folder_names_and_paths["vae"] = ([os.path.join(models_dir, "vae")], supported_pt_extensions)
+    folder_names_and_paths["text_encoders"] = ([os.path.join(models_dir, "text_encoders"), os.path.join(models_dir, "clip")], supported_pt_extensions)
+    folder_names_and_paths["diffusion_models"] = ([os.path.join(models_dir, "unet"), os.path.join(models_dir, "diffusion_models")], supported_pt_extensions)
+    folder_names_and_paths["clip_vision"] = ([os.path.join(models_dir, "clip_vision")], supported_pt_extensions)
+    folder_names_and_paths["style_models"] = ([os.path.join(models_dir, "style_models")], supported_pt_extensions)
+    folder_names_and_paths["embeddings"] = ([os.path.join(models_dir, "embeddings")], supported_pt_extensions)
+    folder_names_and_paths["diffusers"] = ([os.path.join(models_dir, "diffusers")], ["folder"])
+    folder_names_and_paths["vae_approx"] = ([os.path.join(models_dir, "vae_approx")], supported_pt_extensions)
+
+    folder_names_and_paths["controlnet"] = ([os.path.join(models_dir, "controlnet"), os.path.join(models_dir, "t2i_adapter")], supported_pt_extensions)
+    folder_names_and_paths["gligen"] = ([os.path.join(models_dir, "gligen")], supported_pt_extensions)
+
+    folder_names_and_paths["upscale_models"] = ([os.path.join(models_dir, "upscale_models")], supported_pt_extensions)
+
+    folder_names_and_paths["custom_nodes"] = ([os.path.join(base_path, "custom_nodes")], set())
+
+    folder_names_and_paths["hypernetworks"] = ([os.path.join(models_dir, "hypernetworks")], supported_pt_extensions)
+
+    folder_names_and_paths["photomaker"] = ([os.path.join(models_dir, "photomaker")], supported_pt_extensions)
+
+    folder_names_and_paths["classifiers"] = ([os.path.join(models_dir, "classifiers")], {""})
+
+    output_directory = os.path.join(base_path, "output")
+    temp_directory = os.path.join(base_path, "temp")
+    input_directory = os.path.join(base_path, "input")
+    user_directory = os.path.join(base_path, "user")
+
+    # Create input dir if it does not already exist.
+    if not os.path.exists(input_directory):
+        try:
+            os.makedirs(input_directory)
+        except:
+            logging.error("Failed to create input directory")
+
+
+# Default configuration: add all paths relative to this file.
+reset_all_paths(os.path.dirname(os.path.realpath(__file__)))
 
-output_directory = os.path.join(base_path, "output")
-temp_directory = os.path.join(base_path, "temp")
-input_directory = os.path.join(base_path, "input")
-user_directory = os.path.join(base_path, "user")
 
 class CacheHelper:
     """
@@ -84,12 +127,6 @@ def map_legacy(folder_name: str) -> str:
               "clip": "text_encoders"}
     return legacy.get(folder_name, folder_name)
 
-if not os.path.exists(input_directory):
-    try:
-        os.makedirs(input_directory)
-    except:
-        logging.error("Failed to create input directory")
-
 def set_output_directory(output_dir: str) -> None:
     global output_directory
     output_directory = output_dir