diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 000000000..e174c6e6b
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,4 @@
+root = true
+
+[*]
+max_line_length = off
\ No newline at end of file
diff --git a/comfy/cmd/execution.py b/comfy/cmd/execution.py
index 73f8dc42f..95b58bc7c 100644
--- a/comfy/cmd/execution.py
+++ b/comfy/cmd/execution.py
@@ -11,7 +11,9 @@ import typing
 from typing import List, Optional, Tuple, Union
 from typing_extensions import TypedDict
 import torch
+import lazy_object_proxy
 
+from .. import interruption
 from ..component_model.abstract_prompt_queue import AbstractPromptQueue
 from ..component_model.queue_types import QueueTuple, HistoryEntry, QueueItem, MAXIMUM_HISTORY_SIZE, ExecutionStatus
 from ..component_model.executor_types import ExecutorToClientProgress
@@ -21,7 +23,7 @@ from ..nodes.package import import_all_nodes_in_workspace
 
 # ideally this would be passed in from main, but the way this is authored, we can't easily pass nodes down to the
 # various functions that are declared here. It should have been a context in the first place.
-nodes: ExportedNodes = import_all_nodes_in_workspace()
+nodes: ExportedNodes = lazy_object_proxy.Proxy(import_all_nodes_in_workspace)
 
 def get_input_data(inputs, class_def, unique_id, outputs=None, prompt=None, extra_data=None):
     if extra_data is None:
@@ -80,16 +82,16 @@ def map_node_over_list(obj, input_data_all, func, allow_interrupt=False):
     results = []
     if input_is_list:
         if allow_interrupt:
-            model_management.throw_exception_if_processing_interrupted()
+            interruption.throw_exception_if_processing_interrupted()
         results.append(getattr(obj, func)(**input_data_all))
     elif max_len_input == 0:
         if allow_interrupt:
-            model_management.throw_exception_if_processing_interrupted()
+            interruption.throw_exception_if_processing_interrupted()
         results.append(getattr(obj, func)())
     else:
         for i in range(max_len_input):
             if allow_interrupt:
-                model_management.throw_exception_if_processing_interrupted()
+                interruption.throw_exception_if_processing_interrupted()
             results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
     return results
 
@@ -185,7 +187,7 @@ def recursive_execute(server: ExecutorToClientProgress,
             if server.client_id is not None:
                 server.send_sync("executed", {"node": unique_id, "output": output_ui, "prompt_id": prompt_id},
                                  server.client_id)
-    except model_management.InterruptProcessingException as iex:
+    except interruption.InterruptProcessingException as iex:
         logging.info("Processing interrupted")
 
         # skip formatting inputs/outputs
@@ -327,7 +329,7 @@ class PromptExecutor:
 
         # First, send back the status to the frontend depending
         # on the exception type
-        if isinstance(ex, model_management.InterruptProcessingException):
+        if isinstance(ex, interruption.InterruptProcessingException):
             mes = {
                 "prompt_id": prompt_id,
                 "node_id": node_id,
@@ -367,7 +369,7 @@ class PromptExecutor:
             execute_outputs = []
         if extra_data is None:
             extra_data = {}
-        model_management.interrupt_current_processing(False)
+        interruption.interrupt_current_processing(False)
 
         if "client_id" in extra_data:
             self.server.client_id = extra_data["client_id"]
diff --git a/comfy/cmd/folder_paths.py b/comfy/cmd/folder_paths.py
index 8c26b228c..c6a7fcd16 100644
--- a/comfy/cmd/folder_paths.py
+++ b/comfy/cmd/folder_paths.py
@@ -1,17 +1,79 @@
+import dataclasses
 import os
+import posixpath
 import sys
 import time
 import logging
-from typing import Optional
+from typing import Optional, List, Set, Dict, Any, Iterator, Sequence
 
 from pkg_resources import resource_filename
 
 from ..cli_args import args
 
-supported_pt_extensions = set(['.ckpt', '.pt', '.bin', '.pth', '.safetensors'])
+supported_pt_extensions = frozenset(['.ckpt', '.pt', '.bin', '.pth', '.safetensors'])
 
-folder_names_and_paths = {}
 
+@dataclasses.dataclass
+class FolderPathsTuple:
+    folder_name: str
+    paths: List[str] = dataclasses.field(default_factory=list)
+    supported_extensions: Set[str] = dataclasses.field(default_factory=lambda: set(supported_pt_extensions))
+
+    def __getitem__(self, item: Any):
+        if item == 0:
+            return self.paths
+        if item == 1:
+            return self.supported_extensions
+        else:
+            raise RuntimeError("unsupported tuple index")
+
+    def __add__(self, other: "FolderPathsTuple"):
+        assert self.folder_name == other.folder_name
+        new_paths = list(frozenset(self.paths + other.paths))
+        new_supported_extensions = self.supported_extensions | other.supported_extensions
+        return FolderPathsTuple(self.folder_name, new_paths, new_supported_extensions)
+
+    def __iter__(self) -> Iterator[Sequence[str]]:
+        yield self.paths
+        yield self.supported_extensions
+
+
+class FolderNames:
+    def __init__(self):
+        self.contents: Dict[str, FolderPathsTuple] = dict()
+
+    def __getitem__(self, item) -> FolderPathsTuple:
+        if not isinstance(item, str):
+            raise RuntimeError("expected folder path")
+        if item not in self.contents:
+            self.contents[item] = FolderPathsTuple(item, paths=[], supported_extensions=set())
+        return self.contents[item]
+
+    def __setitem__(self, key: str, value: FolderPathsTuple):
+        assert isinstance(key, str)
+        if isinstance(value, tuple):
+            paths, supported_extensions = value
+            value = FolderPathsTuple(key, paths, supported_extensions)
+        if key in self.contents:
+            value = self.contents[key] + value
+        self.contents[key] = value
+
+    def __len__(self):
+        return len(self.contents)
+
+    def items(self):
+        return self.contents.items()
+
+    def values(self):
+        return self.contents.values()
+
+    def keys(self):
+        return self.contents.keys()
+
+
+folder_names_and_paths = FolderNames()
+
+# todo: this should be initialized elsewhere
 if 'main.py' in sys.argv:
     base_path = os.path.realpath(os.path.join(os.path.dirname(os.path.realpath(__file__)), "../.."))
 elif args.cwd is not None:
@@ -25,31 +87,31 @@ elif args.cwd is not None:
 else:
     base_path = os.getcwd()
 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"), resource_filename("comfy", "configs/")], set([".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["clip"] = ([os.path.join(models_dir, "clip")], supported_pt_extensions)
-folder_names_and_paths["unet"] = ([os.path.join(models_dir, "unet")], 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")], [])
-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")], {""})
+folder_names_and_paths["checkpoints"] = FolderPathsTuple("checkpoints", [os.path.join(models_dir, "checkpoints")], set(supported_pt_extensions))
+folder_names_and_paths["configs"] = FolderPathsTuple("configs", [os.path.join(models_dir, "configs"), resource_filename("comfy", "configs/")], {".yaml"})
+folder_names_and_paths["loras"] = FolderPathsTuple("loras", [os.path.join(models_dir, "loras")], set(supported_pt_extensions))
+folder_names_and_paths["vae"] = FolderPathsTuple("vae", [os.path.join(models_dir, "vae")], set(supported_pt_extensions))
+folder_names_and_paths["clip"] = FolderPathsTuple("clip", [os.path.join(models_dir, "clip")], set(supported_pt_extensions))
+folder_names_and_paths["unet"] = FolderPathsTuple("unet", [os.path.join(models_dir, "unet")], set(supported_pt_extensions))
+folder_names_and_paths["clip_vision"] = FolderPathsTuple("clip_vision", [os.path.join(models_dir, "clip_vision")], set(supported_pt_extensions))
+folder_names_and_paths["style_models"] = FolderPathsTuple("style_models", [os.path.join(models_dir, "style_models")], set(supported_pt_extensions))
+folder_names_and_paths["embeddings"] = FolderPathsTuple("embeddings", [os.path.join(models_dir, "embeddings")], set(supported_pt_extensions))
+folder_names_and_paths["diffusers"] = FolderPathsTuple("diffusers", [os.path.join(models_dir, "diffusers")], {"folder"})
+folder_names_and_paths["vae_approx"] = FolderPathsTuple("vae_approx", [os.path.join(models_dir, "vae_approx")], set(supported_pt_extensions))
+folder_names_and_paths["controlnet"] = FolderPathsTuple("controlnet", [os.path.join(models_dir, "controlnet"), os.path.join(models_dir, "t2i_adapter")], set(supported_pt_extensions))
+folder_names_and_paths["gligen"] = FolderPathsTuple("gligen", [os.path.join(models_dir, "gligen")], set(supported_pt_extensions))
+folder_names_and_paths["upscale_models"] = FolderPathsTuple("upscale_models", [os.path.join(models_dir, "upscale_models")], set(supported_pt_extensions))
+folder_names_and_paths["custom_nodes"] = FolderPathsTuple("custom_nodes", [os.path.join(base_path, "custom_nodes")], set())
+folder_names_and_paths["hypernetworks"] = FolderPathsTuple("hypernetworks", [os.path.join(models_dir, "hypernetworks")], set(supported_pt_extensions))
+folder_names_and_paths["photomaker"] = FolderPathsTuple("photomaker", [os.path.join(models_dir, "photomaker")], set(supported_pt_extensions))
+folder_names_and_paths["classifiers"] = FolderPathsTuple("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")
 
-filename_list_cache = {}
+_filename_list_cache = {}
 
 if not os.path.exists(input_directory):
     try:
@@ -57,32 +119,38 @@ if not os.path.exists(input_directory):
     except:
         logging.error("Failed to create input directory")
 
+
 def set_output_directory(output_dir):
     global output_directory
     output_directory = output_dir
 
+
 def set_temp_directory(temp_dir):
     global temp_directory
     temp_directory = temp_dir
 
+
 def set_input_directory(input_dir):
     global input_directory
     input_directory = input_dir
 
+
 def get_output_directory():
     global output_directory
     return output_directory
 
+
 def get_temp_directory():
     global temp_directory
     return temp_directory
 
+
 def get_input_directory():
     global input_directory
     return input_directory
 
 
-#NOTE: used in http server so don't put folders that should not be accessed remotely
+# NOTE: used in http server so don't put folders that should not be accessed remotely
 def get_directory_by_type(type_name):
     if type_name == "output":
         return get_output_directory()
@@ -133,17 +201,29 @@ def exists_annotated_filepath(name):
     return os.path.exists(filepath)
 
 
-def add_model_folder_path(folder_name, full_folder_path: Optional[str] = None):
+def add_model_folder_path(folder_name, full_folder_path: Optional[str] = None) -> str:
+    """
+    Registers a model path for the given canonical name.
+    :param folder_name: the folder name
+    :param full_folder_path: When none, defaults to os.path.join(models_dir, folder_name) aka the folder as
+    a subpath to the default models directory
+    :return: the folder path
+    """
     global folder_names_and_paths
     if full_folder_path is None:
         full_folder_path = os.path.join(models_dir, folder_name)
-    if folder_name in folder_names_and_paths and full_folder_path not in folder_names_and_paths[folder_name][0]:
-        folder_names_and_paths[folder_name][0].append(full_folder_path)
-    else:
-        folder_names_and_paths[folder_name] = ([full_folder_path], set())
 
-def get_folder_paths(folder_name):
-    return folder_names_and_paths[folder_name][0][:]
+    folder_path = folder_names_and_paths[folder_name]
+    if full_folder_path not in folder_path.paths:
+        folder_path.paths.append(full_folder_path)
+
+    invalidate_cache(folder_name)
+    return full_folder_path
+
+
+def get_folder_paths(folder_name) -> List[str]:
+    return folder_names_and_paths[folder_name].paths[:]
+
 
 def recursive_search(directory, excluded_dir_names=None):
     if not os.path.isdir(directory):
@@ -176,24 +256,41 @@ def recursive_search(directory, excluded_dir_names=None):
                 continue
     return result, dirs
 
+
 def filter_files_extensions(files, extensions):
     return sorted(list(filter(lambda a: os.path.splitext(a)[-1].lower() in extensions or len(extensions) == 0, files)))
 
 
-
 def get_full_path(folder_name, filename):
+    """
+    Gets the path to a filename inside a folder.
+
+    Works with untrusted filenames.
+    :param folder_name:
+    :param filename:
+    :return:
+    """
     global folder_names_and_paths
-    if folder_name not in folder_names_and_paths:
-        return None
-    folders = folder_names_and_paths[folder_name]
-    filename = os.path.relpath(os.path.join("/", filename), "/")
-    for x in folders[0]:
-        full_path = os.path.join(x, filename)
-        if os.path.isfile(full_path):
-            return full_path
+    folders = folder_names_and_paths[folder_name].paths
+    filename_split = os.path.split(filename)
+
+    trusted_paths = []
+    for folder in folders:
+        folder_split = os.path.split(folder)
+        abs_file_path = os.path.abspath(os.path.join(*folder_split, *filename_split))
+        abs_folder_path = os.path.abspath(folder)
+        if os.path.commonpath([abs_file_path, abs_folder_path]) == abs_folder_path:
+            trusted_paths.append(abs_file_path)
+        else:
+            logging.error(f"attempted to access untrusted path {abs_file_path} in {folder_name} for filename {filename}")
+
+    for trusted_path in trusted_paths:
+        if os.path.isfile(trusted_path):
+            return trusted_path
 
     return None
 
+
 def get_filename_list_(folder_name):
     global folder_names_and_paths
     output_list = set()
@@ -204,14 +301,15 @@ def get_filename_list_(folder_name):
         output_list.update(filter_files_extensions(files, folders[1]))
         output_folders = {**output_folders, **folders_all}
 
-    return (sorted(list(output_list)), output_folders, time.perf_counter())
+    return sorted(list(output_list)), output_folders, time.perf_counter()
+
 
 def cached_filename_list_(folder_name):
-    global filename_list_cache
+    global _filename_list_cache
     global folder_names_and_paths
-    if folder_name not in filename_list_cache:
+    if folder_name not in _filename_list_cache:
         return None
-    out = filename_list_cache[folder_name]
+    out = _filename_list_cache[folder_name]
 
     for x in out[1]:
         time_modified = out[1][x]
@@ -227,14 +325,16 @@ def cached_filename_list_(folder_name):
 
     return out
 
+
 def get_filename_list(folder_name):
     out = cached_filename_list_(folder_name)
     if out is None:
         out = get_filename_list_(folder_name)
-        global filename_list_cache
-        filename_list_cache[folder_name] = out
+        global _filename_list_cache
+        _filename_list_cache[folder_name] = out
     return list(out[0])
 
+
 def get_save_image_path(filename_prefix, output_dir, image_width=0, image_height=0):
     def map_filename(filename):
         prefix_len = len(os.path.basename(filename_prefix))
@@ -255,7 +355,7 @@ def get_save_image_path(filename_prefix, output_dir, image_width=0, image_height
     subfolder = os.path.dirname(os.path.normpath(filename_prefix))
     filename = os.path.basename(os.path.normpath(filename_prefix))
 
-    full_output_folder = os.path.join(output_dir, subfolder)
+    full_output_folder = str(os.path.join(output_dir, subfolder))
 
     if os.path.commonpath((output_dir, os.path.abspath(full_output_folder))) != output_dir:
         err = "**** ERROR: Saving image outside the output folder is not allowed." + \
@@ -276,8 +376,14 @@ def get_save_image_path(filename_prefix, output_dir, image_width=0, image_height
 
 
 def create_directories():
-    for _, (paths, _) in folder_names_and_paths.items():
-        default_path = paths[0]
-        os.makedirs(default_path, exist_ok=True)
+    # all configured paths should be created
+    for folder_path_spec in folder_names_and_paths.values():
+        for path in folder_path_spec.paths:
+            os.makedirs(path, exist_ok=True)
     for path in (temp_directory, input_directory, output_directory, user_directory):
         os.makedirs(path, exist_ok=True)
+
+
+def invalidate_cache(folder_name):
+    global _filename_list_cache
+    _filename_list_cache.pop(folder_name, None)
diff --git a/comfy/cmd/main.py b/comfy/cmd/main.py
index b9906d089..f144738cd 100644
--- a/comfy/cmd/main.py
+++ b/comfy/cmd/main.py
@@ -1,94 +1,26 @@
-from .. import options
 # Suppress warnings during import
-import warnings
-
-warnings.filterwarnings("ignore", message="torch.utils._pytree._register_pytree_node is deprecated. Please use torch.utils._pytree.register_pytree_node instead.")
-options.enable_args_parsing()
-
+import asyncio
+import gc
+import itertools
 import logging
 import os
-import importlib.util
-
-from ..cmd import cuda_malloc
-from ..cmd import folder_paths
-from .extra_model_paths import load_extra_path_config
-from ..analytics.analytics import initialize_event_tracking
-from ..nodes.package import import_all_nodes_in_workspace
-
-import time
-
-
-def execute_prestartup_script():
-    def execute_script(script_path):
-        module_name = os.path.splitext(script_path)[0]
-        try:
-            spec = importlib.util.spec_from_file_location(module_name, script_path)
-            module = importlib.util.module_from_spec(spec)
-            spec.loader.exec_module(module)
-            return True
-        except Exception as e:
-            logging.error(f"Failed to execute startup-script: {script_path} / {e}")
-        return False
-
-    node_paths = folder_paths.get_folder_paths("custom_nodes")
-    node_prestartup_times = []
-    for custom_node_path in node_paths:
-        possible_modules = os.listdir(custom_node_path) if os.path.exists(custom_node_path) else []
-
-        for possible_module in possible_modules:
-            module_path = os.path.join(custom_node_path, possible_module)
-            if os.path.isfile(module_path) or module_path.endswith(".disabled") or module_path == "__pycache__":
-                continue
-
-            script_path = os.path.join(module_path, "prestartup_script.py")
-            if os.path.exists(script_path):
-                time_before = time.perf_counter()
-                success = execute_script(script_path)
-                node_prestartup_times.append((time.perf_counter() - time_before, module_path, success))
-    if len(node_prestartup_times) > 0:
-        logging.info("\nPrestartup times for custom nodes:")
-        for n in sorted(node_prestartup_times):
-            if n[2]:
-                import_message = ""
-            else:
-                import_message = " (PRESTARTUP FAILED)"
-            logging.info("{:6.1f} seconds{}:".format(n[0], import_message), n[1])
-
-
-execute_prestartup_script()
-
-# Main code
-import asyncio
-import itertools
 import shutil
 import threading
-import gc
-
-from ..cli_args import args
-
-if os.name == "nt":
-    import logging
-
-    logging.getLogger("xformers").addFilter(
-        lambda record: 'A matching Triton is not available' not in record.getMessage())
-
-if args.cuda_device is not None:
-    os.environ['CUDA_VISIBLE_DEVICES'] = str(args.cuda_device)
-    logging.info("Set cuda device to:", args.cuda_device)
-
-if args.deterministic:
-    if 'CUBLAS_WORKSPACE_CONFIG' not in os.environ:
-        os.environ['CUBLAS_WORKSPACE_CONFIG'] = ":4096:8"
-
-from .. import utils
+import time
 
+from comfy.utils import hijack_progress
+from .extra_model_paths import load_extra_path_config
+from .main_pre import args
+from .. import model_management
+from ..analytics.analytics import initialize_event_tracking
+from ..cmd import cuda_malloc
+from ..cmd import folder_paths
 from ..cmd import server as server_module
 from ..component_model.abstract_prompt_queue import AbstractPromptQueue
-from ..component_model.queue_types import BinaryEventTypes, ExecutionStatus
-from .. import model_management
+from ..component_model.queue_types import ExecutionStatus
 from ..distributed.distributed_prompt_queue import DistributedPromptQueue
-from ..component_model.executor_types import ExecutorToClientProgress
 from ..distributed.server_stub import ServerStub
+from ..nodes.package import import_all_nodes_in_workspace
 
 
 def prompt_worker(q: AbstractPromptQueue, _server: server_module.PromptServer):
@@ -120,7 +52,7 @@ def prompt_worker(q: AbstractPromptQueue, _server: server_module.PromptServer):
                             completed=e.success,
                             messages=e.status_messages))
             if _server.client_id is not None:
-                _server.send_sync("executing", { "node": None, "prompt_id": prompt_id }, _server.client_id)
+                _server.send_sync("executing", {"node": None, "prompt_id": prompt_id}, _server.client_id)
 
             current_time = time.perf_counter()
             execution_time = current_time - execution_start_time
@@ -152,18 +84,6 @@ async def run(server, address='', port=8188, verbose=True, call_on_start=None):
     await asyncio.gather(server.start(address, port, verbose, call_on_start), server.publish_loop())
 
 
-def hijack_progress(server: ExecutorToClientProgress):
-    def hook(value: float, total: float, preview_image):
-        model_management.throw_exception_if_processing_interrupted()
-        progress = {"value": value, "max": total, "prompt_id": server.last_prompt_id, "node": server.last_node_id}
-
-        server.send_sync("progress", progress, server.client_id)
-        if preview_image is not None:
-            server.send_sync(BinaryEventTypes.UNENCODED_PREVIEW_IMAGE, preview_image, server.client_id)
-
-    utils.set_progress_bar_global_hook(hook)
-
-
 def cleanup_temp():
     try:
         temp_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "temp")
@@ -194,6 +114,18 @@ async def main():
         folder_paths.set_temp_directory(temp_dir)
     cleanup_temp()
 
+    # configure extra model paths earlier
+    try:
+        extra_model_paths_config_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "extra_model_paths.yaml")
+        if os.path.isfile(extra_model_paths_config_path):
+            load_extra_path_config(extra_model_paths_config_path)
+    except NameError:
+        pass
+
+    if args.extra_model_paths_config:
+        for config_path in itertools.chain(*args.extra_model_paths_config):
+            load_extra_path_config(config_path)
+
     # create the default directories if we're instructed to, then exit
     # or, if it's a windows standalone build, the single .exe file should have its side-by-side directories always created
     if args.create_directories:
@@ -208,18 +140,6 @@ async def main():
         except:
             pass
 
-    # configure extra model paths earlier
-    try:
-        extra_model_paths_config_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "extra_model_paths.yaml")
-        if os.path.isfile(extra_model_paths_config_path):
-            load_extra_path_config(extra_model_paths_config_path)
-    except NameError:
-        pass
-
-    if args.extra_model_paths_config:
-        for config_path in itertools.chain(*args.extra_model_paths_config):
-            load_extra_path_config(config_path)
-
     loop = asyncio.get_event_loop()
     server = server_module.PromptServer(loop)
     if args.external_address is not None:
@@ -246,7 +166,6 @@ async def main():
         q = PromptQueue(server)
     server.prompt_queue = q
 
-
     server.add_routes()
     hijack_progress(server)
     cuda_malloc_warning()
@@ -293,7 +212,7 @@ async def main():
     server.port = args.port
     try:
         await run(server, address=args.listen, port=args.port, verbose=not args.dont_print_server,
-                                    call_on_start=call_on_start)
+                  call_on_start=call_on_start)
     except asyncio.CancelledError:
         if distributed:
             await q.close()
diff --git a/comfy/cmd/main_pre.py b/comfy/cmd/main_pre.py
new file mode 100644
index 000000000..b78ddf231
--- /dev/null
+++ b/comfy/cmd/main_pre.py
@@ -0,0 +1,23 @@
+import os
+
+from .. import options
+
+import warnings
+import logging
+
+options.enable_args_parsing()
+if os.name == "nt":
+    logging.getLogger("xformers").addFilter(lambda record: 'A matching Triton is not available' not in record.getMessage())
+warnings.filterwarnings("ignore", message="torch.utils._pytree._register_pytree_node is deprecated. Please use torch.utils._pytree.register_pytree_node instead.")
+
+from ..cli_args import args
+
+if args.cuda_device is not None:
+    os.environ['CUDA_VISIBLE_DEVICES'] = str(args.cuda_device)
+    logging.info("Set cuda device to:", args.cuda_device)
+
+if args.deterministic:
+    if 'CUBLAS_WORKSPACE_CONFIG' not in os.environ:
+        os.environ['CUBLAS_WORKSPACE_CONFIG'] = ":4096:8"
+
+__all__ = ["args"]
diff --git a/comfy/cmd/server.py b/comfy/cmd/server.py
index 9c29a91a0..fa7c1cce1 100644
--- a/comfy/cmd/server.py
+++ b/comfy/cmd/server.py
@@ -23,6 +23,7 @@ import aiofiles
 import aiohttp
 from aiohttp import web
 
+import comfy.interruption
 from ..component_model.queue_types import QueueItem, HistoryEntry, BinaryEventTypes, TaskInvocation
 from ..cmd import execution
 from ..cmd import folder_paths
@@ -515,7 +516,7 @@ class PromptServer(ExecutorToClientProgress):
 
         @routes.post("/interrupt")
         async def post_interrupt(request):
-            model_management.interrupt_current_processing()
+            comfy.interruption.interrupt_current_processing()
             return web.Response(status=200)
 
         @routes.post("/free")
diff --git a/comfy/distributed/distributed_progress.py b/comfy/distributed/distributed_progress.py
index 048b15c18..49b0054ab 100644
--- a/comfy/distributed/distributed_progress.py
+++ b/comfy/distributed/distributed_progress.py
@@ -10,6 +10,7 @@ from aio_pika.patterns import RPC
 
 from ..component_model.executor_types import SendSyncEvent, SendSyncData, ExecutorToClientProgress
 from ..component_model.queue_types import BinaryEventTypes
+from ..utils import hijack_progress
 
 
 async def _progress(event: SendSyncEvent, data: SendSyncData, user_id: Optional[str] = None,
@@ -24,7 +25,7 @@ def _get_name(queue_name: str, user_id: str) -> str:
 
 
 class DistributedExecutorToClientProgress(ExecutorToClientProgress):
-    def __init__(self, rpc: RPC, queue_name: str, loop: AbstractEventLoop):
+    def __init__(self, rpc: RPC, queue_name: str, loop: AbstractEventLoop, receive_all_progress_notifications=True):
         self._rpc = rpc
         self._queue_name = queue_name
         self._loop = loop
@@ -32,6 +33,8 @@ class DistributedExecutorToClientProgress(ExecutorToClientProgress):
         self.client_id = None
         self.node_id = None
         self.last_node_id = None
+        if receive_all_progress_notifications:
+            hijack_progress(self)
 
     async def send(self, event: SendSyncEvent, data: SendSyncData, user_id: Optional[str]) -> None:
         # for now, do not send binary data this way, since it cannot be json serialized / it's impractical
diff --git a/comfy/interruption.py b/comfy/interruption.py
new file mode 100644
index 000000000..5c4cd0f7d
--- /dev/null
+++ b/comfy/interruption.py
@@ -0,0 +1,31 @@
+import threading
+
+_interrupt_processing_mutex = threading.RLock()
+_interrupt_processing = False
+
+
+class InterruptProcessingException(Exception):
+    pass
+
+
+def interrupt_current_processing(value=True):
+    global _interrupt_processing
+    global _interrupt_processing_mutex
+    with _interrupt_processing_mutex:
+        _interrupt_processing = value
+
+
+def processing_interrupted():
+    global _interrupt_processing
+    global _interrupt_processing_mutex
+    with _interrupt_processing_mutex:
+        return _interrupt_processing
+
+
+def throw_exception_if_processing_interrupted():
+    global _interrupt_processing
+    global _interrupt_processing_mutex
+    with _interrupt_processing_mutex:
+        if _interrupt_processing:
+            _interrupt_processing = False
+            raise InterruptProcessingException()
diff --git a/comfy/model_downloader.py b/comfy/model_downloader.py
index 5adb95f33..c294c3728 100644
--- a/comfy/model_downloader.py
+++ b/comfy/model_downloader.py
@@ -1,15 +1,18 @@
 from __future__ import annotations
 
 import logging
+import os
+from itertools import chain
 from os.path import join
-from typing import List, Any, Optional
+from typing import List, Any, Optional, Union
 
 from huggingface_hub import hf_hub_download
 from requests import Session
 
 from .cmd import folder_paths
-from .model_downloader_types import CivitFile, HuggingFile, CivitModelsGetResponse
-from .utils import comfy_tqdm, ProgressBar
+from .model_downloader_types import CivitFile, HuggingFile, CivitModelsGetResponse, CivitFile_
+from .interruption import InterruptProcessingException
+from .utils import ProgressBar, comfy_tqdm
 
 session = Session()
 
@@ -20,32 +23,40 @@ def get_filename_list_with_downloadable(folder_name: str, known_files: List[Any]
     return sorted(list(existing | downloadable))
 
 
-def get_or_download(folder_name: str, filename: str, known_files: List[HuggingFile | CivitFile]) -> str:
+def get_or_download(folder_name: str, filename: str, known_files: List[HuggingFile | CivitFile]) -> Optional[str]:
     path = folder_paths.get_full_path(folder_name, filename)
 
     if path is None:
         try:
+            # todo: should this be the first or last path?
             destination = folder_paths.get_folder_paths(folder_name)[0]
-            known_file = next(f for f in known_files if str(f) == filename)
+            known_file: Optional[HuggingFile | CivitFile] = None
+            for candidate in known_files:
+                if candidate.filename == filename or filename in candidate.alternate_filenames or filename == candidate.save_with_filename:
+                    known_file = candidate
+                    break
+            if known_file is None:
+                return path
             with comfy_tqdm():
                 if isinstance(known_file, HuggingFile):
+                    save_filename = known_file.save_with_filename or known_file.filename
                     path = hf_hub_download(repo_id=known_file.repo_id,
-                                           filename=known_file.filename,
+                                           filename=save_filename,
                                            local_dir=destination,
                                            resume_download=True)
                 else:
                     url: Optional[str] = None
+                    save_filename = known_file.save_with_filename or known_file.filename
 
                     if isinstance(known_file, CivitFile):
                         model_info_res = session.get(
                             f"https://civitai.com/api/v1/models/{known_file.model_id}?modelVersionId={known_file.model_version_id}")
                         model_info: CivitModelsGetResponse = model_info_res.json()
-                        for model_version in model_info['modelVersions']:
-                            for file in model_version['files']:
-                                if file['name'] == filename:
-                                    url = file['downloadUrl']
-                                    break
-                            if url is not None:
+
+                        file: CivitFile_
+                        for file in chain.from_iterable(version['files'] for version in model_info['modelVersions']):
+                            if file['name'] == filename:
+                                url = file['downloadUrl']
                                 break
                     else:
                         raise RuntimeError("unknown file type")
@@ -53,19 +64,29 @@ def get_or_download(folder_name: str, filename: str, known_files: List[HuggingFi
                     if url is None:
                         logging.warning(f"Could not retrieve file {str(known_file)}")
                     else:
-                        with session.get(url, stream=True, allow_redirects=True) as response:
-                            total_size = int(response.headers.get("content-length", 0))
-                            progress_bar = ProgressBar(total=total_size)
-                            with open(join(destination, filename), "wb") as file:
-                                for chunk in response.iter_content(chunk_size=512 * 1024):
-                                    progress_bar.update(len(chunk))
-                                    file.write(chunk)
+                        destination_with_filename = join(destination, save_filename)
+                        try:
+
+                            with session.get(url, stream=True, allow_redirects=True) as response:
+                                total_size = int(response.headers.get("content-length", 0))
+                                progress_bar = ProgressBar(total=total_size)
+                                with open(destination_with_filename, "wb") as file:
+                                    for chunk in response.iter_content(chunk_size=512 * 1024):
+                                        progress_bar.update(len(chunk))
+                                        file.write(chunk)
+                        except InterruptProcessingException:
+                            os.remove(destination_with_filename)
+
                         path = folder_paths.get_full_path(folder_name, filename)
                         assert path is not None
         except StopIteration:
             pass
         except Exception as exc:
             logging.error("Error while trying to download a file", exc_info=exc)
+        finally:
+            # a path was found for any reason, so we should invalidate the cache
+            if path is not None:
+                folder_paths.invalidate_cache(folder_name)
     return path
 
 
@@ -118,5 +139,10 @@ KNOWN_CLIP_VISION_MODELS = [
 
 KNOWN_LORAS = [
     CivitFile(model_id=211577, model_version_id=238349, filename="openxl_handsfix.safetensors"),
-    # todo: a lot of the slider loras are useful and should also be included
-]
\ No newline at end of file
+]
+
+
+def add_known_models(folder_name: str, symbol: List[Union[CivitFile, HuggingFile]], *models: Union[CivitFile, HuggingFile]) -> List[Union[CivitFile, HuggingFile]]:
+    symbol += models
+    folder_paths.invalidate_cache(folder_name)
+    return symbol
diff --git a/comfy/model_downloader_types.py b/comfy/model_downloader_types.py
index 99f11a6be..2c5d522a2 100644
--- a/comfy/model_downloader_types.py
+++ b/comfy/model_downloader_types.py
@@ -22,6 +22,14 @@ class CivitFile:
     def __str__(self):
         return self.filename
 
+    @property
+    def save_with_filename(self):
+        return self.filename
+
+    @property
+    def alternate_filenames(self):
+        return []
+
 
 @dataclasses.dataclass
 class HuggingFile:
@@ -35,6 +43,8 @@ class HuggingFile:
     """
     repo_id: str
     filename: str
+    save_with_filename: Optional[str] = None
+    alternate_filenames: List[str] = dataclasses.field(default_factory=list)
     show_in_ui: Optional[bool] = True
 
     def __str__(self):
diff --git a/comfy/model_management.py b/comfy/model_management.py
index f6b1f9426..e4891afdf 100644
--- a/comfy/model_management.py
+++ b/comfy/model_management.py
@@ -2,7 +2,7 @@ import psutil
 import logging
 from enum import Enum
 from .cli_args import args
-from . import utils
+from . import interruption
 from threading import RLock
 
 import torch
@@ -840,31 +840,14 @@ def unload_all_models():
 def resolve_lowvram_weight(weight, model, key): #TODO: remove
     return weight
 
-#TODO: might be cleaner to put this somewhere else
-import threading
 
-class InterruptProcessingException(Exception):
-    pass
-
-interrupt_processing_mutex = threading.RLock()
-
-interrupt_processing = False
 def interrupt_current_processing(value=True):
-    global interrupt_processing
-    global interrupt_processing_mutex
-    with interrupt_processing_mutex:
-        interrupt_processing = value
+    interruption.interrupt_current_processing(value)
+
 
 def processing_interrupted():
-    global interrupt_processing
-    global interrupt_processing_mutex
-    with interrupt_processing_mutex:
-        return interrupt_processing
+    interruption.processing_interrupted()
+
 
 def throw_exception_if_processing_interrupted():
-    global interrupt_processing
-    global interrupt_processing_mutex
-    with interrupt_processing_mutex:
-        if interrupt_processing:
-            interrupt_processing = False
-            raise InterruptProcessingException()
+    interruption.throw_exception_if_processing_interrupted()
diff --git a/comfy/nodes/base_nodes.py b/comfy/nodes/base_nodes.py
index 450682776..6c70b803f 100644
--- a/comfy/nodes/base_nodes.py
+++ b/comfy/nodes/base_nodes.py
@@ -25,7 +25,6 @@ from ..cli_args import args
 from ..cmd import folder_paths, latent_preview
 from ..model_downloader import get_filename_list_with_downloadable, get_or_download, KNOWN_CHECKPOINTS, \
     KNOWN_CLIP_VISION_MODELS, KNOWN_GLIGEN_MODELS, KNOWN_UNCLIP_CHECKPOINTS, KNOWN_LORAS
-from ..model_downloader_types import HuggingFile
 from ..nodes.common import MAX_RESOLUTION
 from .. import controlnet
 
diff --git a/comfy/nodes/package.py b/comfy/nodes/package.py
index 75ab5b853..4a8c8b721 100644
--- a/comfy/nodes/package.py
+++ b/comfy/nodes/package.py
@@ -10,11 +10,8 @@ from functools import reduce
 from importlib.metadata import entry_points
 
 from pkg_resources import resource_filename
-
-from comfy_extras import nodes as comfy_extras_nodes
-from . import base_nodes
 from .package_typing import ExportedNodes
-from .vanilla_node_importing import mitigated_import_of_vanilla_custom_nodes
+
 
 _comfy_nodes: ExportedNodes = ExportedNodes()
 
@@ -77,6 +74,10 @@ def _import_and_enumerate_nodes_in_module(module: types.ModuleType, print_import
 
 
 def import_all_nodes_in_workspace(vanilla_custom_nodes=True) -> ExportedNodes:
+    # now actually import the nodes, to improve control of node loading order
+    from comfy_extras import nodes as comfy_extras_nodes
+    from . import base_nodes
+    from .vanilla_node_importing import mitigated_import_of_vanilla_custom_nodes
     # only load these nodes once
     if len(_comfy_nodes) == 0:
         base_and_extra = reduce(lambda x, y: x.update(y),
diff --git a/comfy/utils.py b/comfy/utils.py
index cb843dc28..ab41799e3 100644
--- a/comfy/utils.py
+++ b/comfy/utils.py
@@ -1,16 +1,26 @@
 import os.path
+from contextlib import contextmanager
 
 import torch
 import math
 import struct
-from . import checkpoint_pickle
+
+from tqdm import tqdm
+
+from . import checkpoint_pickle, interruption
 import safetensors.torch
 import numpy as np
 from PIL import Image
-from tqdm import tqdm
-from contextlib import contextmanager
 import logging
 
+from .component_model.executor_types import ExecutorToClientProgress
+from .component_model.queue_types import BinaryEventTypes
+
+PROGRESS_BAR_ENABLED = True
+PROGRESS_BAR_HOOK = None
+
+
+
 def load_torch_file(ckpt, safe_load=False, device=None):
     if device is None:
         device = torch.device("cpu")
@@ -457,16 +467,33 @@ def tiled_scale(samples, function, tile_x=64, tile_y=64, overlap = 8, upscale_am
         output[b:b+1] = out/out_div
     return output
 
-PROGRESS_BAR_ENABLED = True
+
+def hijack_progress(server: ExecutorToClientProgress):
+    def hook(value: float, total: float, preview_image):
+        interruption.throw_exception_if_processing_interrupted()
+        progress = {"value": value, "max": total, "prompt_id": server.last_prompt_id, "node": server.last_node_id}
+
+        server.send_sync("progress", progress, server.client_id)
+        if preview_image is not None:
+            server.send_sync(BinaryEventTypes.UNENCODED_PREVIEW_IMAGE, preview_image, server.client_id)
+
+    set_progress_bar_global_hook(hook)
+
+
 def set_progress_bar_enabled(enabled):
     global PROGRESS_BAR_ENABLED
     PROGRESS_BAR_ENABLED = enabled
 
-PROGRESS_BAR_HOOK = None
+
+def get_progress_bar_enabled() -> bool:
+    return PROGRESS_BAR_ENABLED
+
+
 def set_progress_bar_global_hook(function):
     global PROGRESS_BAR_HOOK
     PROGRESS_BAR_HOOK = function
 
+
 class ProgressBar:
     def __init__(self, total: float):
         global PROGRESS_BAR_HOOK
diff --git a/requirements.txt b/requirements.txt
index ce9d90b2a..615d4beb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,4 +31,5 @@ aio-pika
 pyjwt[crypto]
 kornia>=0.7.1
 mpmath>=1.0,!=1.4.0a0
-huggingface_hub
\ No newline at end of file
+huggingface_hub
+lazy-object-proxy
\ No newline at end of file