Merge branch 'master' of github.com:comfyanonymous/ComfyUI

comfy/app/frontend_management.py

@@ -9,7 +9,7 @@ import zipfile
 from dataclasses import dataclass
 from functools import cached_property
 from pathlib import Path
-from typing import TypedDict
+from typing import TypedDict, Optional
 
 import requests
 from typing_extensions import NotRequired
@@ -135,12 +135,13 @@ class FrontendManager:
         return match_result.group(1), match_result.group(2), match_result.group(3)
 
     @classmethod
-    def init_frontend_unsafe(cls, version_string: str) -> str:
+    def init_frontend_unsafe(cls, version_string: str, provider: Optional[FrontEndProvider] = None) -> str:
         """
         Initializes the frontend for the specified version.
 
         Args:
             version_string (str): The version string.
+            provider (FrontEndProvider, optional): The provider to use. Defaults to None.
 
         Returns:
             str: The path to the initialized frontend.
@@ -153,7 +154,7 @@ class FrontendManager:
             return cls.DEFAULT_FRONTEND_PATH
 
         repo_owner, repo_name, version = cls.parse_version_string(version_string)
-        provider = FrontEndProvider(repo_owner, repo_name)
+        provider = provider or FrontEndProvider(repo_owner, repo_name)
         release = provider.get_release(version)
 
         semantic_version = release["tag_name"].lstrip("v")
@@ -161,6 +162,7 @@ class FrontendManager:
             Path(cls.CUSTOM_FRONTENDS_ROOT) / provider.folder_name / semantic_version
         )
         if not os.path.exists(web_root):
+            try:
                 os.makedirs(web_root, exist_ok=True)
                 logging.info(
                     "Downloading frontend(%s) version(%s) to (%s)",
@@ -170,6 +172,11 @@ class FrontendManager:
                 )
                 logging.debug(release)
                 download_release_asset_zip(release, destination_path=web_root)
+            finally:
+                # Clean up the directory if it is empty, i.e. the download failed
+                if not os.listdir(web_root):
+                    os.rmdir(web_root)
+
         return web_root
 
     @classmethod

comfy/cmd/server.py

@@ -603,7 +603,9 @@ class PromptServer(ExecutorToClientProgress):
         @routes.post("/internal/models/download")
         async def download_handler(request):
             async def report_progress(filename: str, status: DownloadModelStatus):
-                await self.send_json("download_progress", status.to_dict())
+                payload = status.to_dict()
+                payload['download_path'] = filename
+                await self.send_json("download_progress", payload)
 
             data = await request.json()
             url = data.get('url')

comfy/controlnet.py

@@ -32,7 +32,7 @@ from . import utils
 from .cldm import cldm, mmdit
 from .ldm import hydit
 from .ldm.cascade import controlnet as cascade_controlnet
-from .ldm.flux import controlnet_xlabs
+from .ldm.flux import controlnet as controlnet_flux
 from .ldm.flux.controlnet_instantx import InstantXControlNetFlux
 from .ldm.flux.controlnet_instantx_format2 import InstantXControlNetFluxFormat2
 from .ldm.flux.weight_dtypes import FLUX_WEIGHT_DTYPES
@@ -152,7 +152,7 @@ class ControlBase:
                         elif self.strength_type == StrengthType.LINEAR_UP:
                             x *= (self.strength ** float(len(control_output) - i))
 
-                    if x.dtype != output_dtype:
+                    if output_dtype is not None and x.dtype != output_dtype:
                         x = x.to(output_dtype)
 
                 out[key].append(x)
@@ -211,7 +211,6 @@ class ControlNet(ControlBase):
         if self.manual_cast_dtype is not None:
             dtype = self.manual_cast_dtype
 
-        output_dtype = x_noisy.dtype
         if self.cond_hint is None or x_noisy.shape[2] * self.compression_ratio != self.cond_hint.shape[2] or x_noisy.shape[3] * self.compression_ratio != self.cond_hint.shape[3]:
             if self.cond_hint is not None:
                 del self.cond_hint
@@ -241,7 +240,7 @@ class ControlNet(ControlBase):
         x_noisy = self.model_sampling_current.calculate_input(t, x_noisy)
 
         control = self.control_model(x=x_noisy.to(dtype), hint=self.cond_hint, timesteps=timestep.to(dtype), context=context.to(dtype), **extra)
-        return self.control_merge(control, control_prev, output_dtype)
+        return self.control_merge(control, control_prev, output_dtype=None)
 
     def copy(self):
         c = ControlNet(None, global_average_pooling=self.global_average_pooling, load_device=self.load_device, manual_cast_dtype=self.manual_cast_dtype)
@@ -441,7 +440,7 @@ def load_controlnet_hunyuandit(controlnet_data):
     return control
 
 
-def load_controlnet_flux_instantx(sd, controlnet_class, weight_dtype, full_path):
+def load_controlnet_flux_instantx_union(sd, controlnet_class, weight_dtype, full_path):
     keys_to_keep = [
         "controlnet_",
         "single_transformer_blocks",
@@ -498,19 +497,32 @@ def load_controlnet_flux_instantx(sd, controlnet_class, weight_dtype, full_path)
 
 def load_controlnet_flux_xlabs(sd):
     model_config, operations, load_device, unet_dtype, manual_cast_dtype, offload_device = controlnet_config(sd)
-    control_model = controlnet_xlabs.ControlNetFlux(operations=operations, device=offload_device, dtype=unet_dtype, **model_config.unet_config)
+    control_model = controlnet_flux.ControlNetFlux(operations=operations, device=offload_device, dtype=unet_dtype, **model_config.unet_config)
     control_model = controlnet_load_state_dict(control_model, sd)
     extra_conds = ['y', 'guidance']
     control = ControlNet(control_model, load_device=load_device, manual_cast_dtype=manual_cast_dtype, extra_conds=extra_conds)
     return control
 
+def load_controlnet_flux_instantx(sd):
+    new_sd = model_detection.convert_diffusers_mmdit(sd, "")
+    model_config, operations, load_device, unet_dtype, manual_cast_dtype, offload_device = controlnet_config(new_sd)
+    for k in sd:
+        new_sd[k] = sd[k]
+
+    control_model = controlnet_flux.ControlNetFlux(latent_input=True, operations=operations, device=offload_device, dtype=unet_dtype, **model_config.unet_config)
+    control_model = controlnet_load_state_dict(control_model, new_sd)
+
+    latent_format = latent_formats.Flux()
+    extra_conds = ['y', 'guidance']
+    control = ControlNet(control_model, compression_ratio=1, latent_format=latent_format, load_device=load_device, manual_cast_dtype=manual_cast_dtype, extra_conds=extra_conds)
+    return control
 
 def load_controlnet(ckpt_path, model=None, weight_dtype=FLUX_WEIGHT_DTYPES[0]):
     controlnet_data = utils.load_torch_file(ckpt_path, safe_load=True)
     if "controlnet_mode_embedder.weight" in controlnet_data:
-        return load_controlnet_flux_instantx(controlnet_data, InstantXControlNetFluxFormat2, weight_dtype, ckpt_path)
+        return load_controlnet_flux_instantx_union(controlnet_data, InstantXControlNetFluxFormat2, weight_dtype, ckpt_path)
     if "controlnet_mode_embedder.fc.weight" in controlnet_data:
-        return load_controlnet_flux_instantx(controlnet_data, InstantXControlNetFlux, weight_dtype, ckpt_path)
+        return load_controlnet_flux_instantx_union(controlnet_data, InstantXControlNetFlux, weight_dtype, ckpt_path)
     if 'after_proj_list.18.bias' in controlnet_data.keys():  # Hunyuan DiT
         return load_controlnet_hunyuandit(controlnet_data)
     if "lora_controlnet" in controlnet_data:
@@ -572,8 +584,10 @@ def load_controlnet(ckpt_path, model=None, weight_dtype=FLUX_WEIGHT_DTYPES[0]):
     elif "controlnet_blocks.0.weight" in controlnet_data:  # SD3 diffusers format
         if "double_blocks.0.img_attn.norm.key_norm.scale" in controlnet_data:
             return load_controlnet_flux_xlabs(controlnet_data)
-        else:
+        elif "pos_embed_input.proj.weight" in controlnet_data:
             return load_controlnet_mmdit(controlnet_data)
+        elif "controlnet_x_embedder.weight" in controlnet_data:
+            return load_controlnet_flux_instantx(controlnet_data)
 
     pth_key = 'control_model.zero_convs.0.0.weight'
     pth = False

comfy/ldm/common_dit.py

@@ -1,4 +1,5 @@
 import torch
+import comfy.ops
 
 def pad_to_patch_size(img, patch_size=(2, 2), padding_mode="circular"):
     if padding_mode == "circular" and torch.jit.is_tracing() or torch.jit.is_scripting():
@@ -6,3 +7,15 @@ def pad_to_patch_size(img, patch_size=(2, 2), padding_mode="circular"):
     pad_h = (patch_size[0] - img.shape[-2] % patch_size[0]) % patch_size[0]
     pad_w = (patch_size[1] - img.shape[-1] % patch_size[1]) % patch_size[1]
     return torch.nn.functional.pad(img, (0, pad_w, 0, pad_h), mode=padding_mode)
+
+try:
+    rms_norm_torch = torch.nn.functional.rms_norm
+except:
+    rms_norm_torch = None
+
+def rms_norm(x, weight, eps=1e-6):
+    if rms_norm_torch is not None:
+        return rms_norm_torch(x, weight.shape, weight=comfy.ops.cast_to(weight, dtype=x.dtype, device=x.device), eps=eps)
+    else:
+        rrms = torch.rsqrt(torch.mean(x**2, dim=-1, keepdim=True) + eps)
+        return (x * rrms) * comfy.ops.cast_to(weight, dtype=x.dtype, device=x.device)

comfy/ldm/flux/controlnet.py

@@ -0,0 +1,140 @@
+#Original code can be found on: https://github.com/XLabs-AI/x-flux/blob/main/src/flux/controlnet.py
+
+import torch
+import math
+from torch import Tensor, nn
+from einops import rearrange, repeat
+
+from .layers import (DoubleStreamBlock, EmbedND, LastLayer,
+                                 MLPEmbedder, SingleStreamBlock,
+                                 timestep_embedding)
+
+from .model import Flux
+import comfy.ldm.common_dit
+
+
+class ControlNetFlux(Flux):
+    def __init__(self, latent_input=False, image_model=None, dtype=None, device=None, operations=None, **kwargs):
+        super().__init__(final_layer=False, dtype=dtype, device=device, operations=operations, **kwargs)
+
+        self.main_model_double = 19
+        self.main_model_single = 38
+        # add ControlNet blocks
+        self.controlnet_blocks = nn.ModuleList([])
+        for _ in range(self.params.depth):
+            controlnet_block = operations.Linear(self.hidden_size, self.hidden_size, dtype=dtype, device=device)
+            self.controlnet_blocks.append(controlnet_block)
+
+        self.controlnet_single_blocks = nn.ModuleList([])
+        for _ in range(self.params.depth_single_blocks):
+            self.controlnet_single_blocks.append(operations.Linear(self.hidden_size, self.hidden_size, dtype=dtype, device=device))
+
+        self.gradient_checkpointing = False
+        self.latent_input = latent_input
+        self.pos_embed_input = operations.Linear(self.in_channels, self.hidden_size, bias=True, dtype=dtype, device=device)
+        if not self.latent_input:
+            self.input_hint_block = nn.Sequential(
+                operations.Conv2d(3, 16, 3, padding=1, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Conv2d(16, 16, 3, padding=1, stride=2, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Conv2d(16, 16, 3, padding=1, stride=2, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Conv2d(16, 16, 3, padding=1, stride=2, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device)
+            )
+
+    def forward_orig(
+        self,
+        img: Tensor,
+        img_ids: Tensor,
+        controlnet_cond: Tensor,
+        txt: Tensor,
+        txt_ids: Tensor,
+        timesteps: Tensor,
+        y: Tensor,
+        guidance: Tensor = None,
+    ) -> Tensor:
+        if img.ndim != 3 or txt.ndim != 3:
+            raise ValueError("Input img and txt tensors must have 3 dimensions.")
+
+        # running on sequences img
+        img = self.img_in(img)
+        if not self.latent_input:
+            controlnet_cond = self.input_hint_block(controlnet_cond)
+            controlnet_cond = rearrange(controlnet_cond, "b c (h ph) (w pw) -> b (h w) (c ph pw)", ph=2, pw=2)
+
+        controlnet_cond = self.pos_embed_input(controlnet_cond)
+        img = img + controlnet_cond
+        vec = self.time_in(timestep_embedding(timesteps, 256))
+        if self.params.guidance_embed:
+            vec = vec + self.guidance_in(timestep_embedding(guidance, 256))
+        vec = vec + self.vector_in(y)
+        txt = self.txt_in(txt)
+
+        ids = torch.cat((txt_ids, img_ids), dim=1)
+        pe = self.pe_embedder(ids)
+
+        controlnet_double = ()
+
+        for i in range(len(self.double_blocks)):
+            img, txt = self.double_blocks[i](img=img, txt=txt, vec=vec, pe=pe)
+            controlnet_double = controlnet_double + (self.controlnet_blocks[i](img),)
+
+        img = torch.cat((txt, img), 1)
+
+        controlnet_single = ()
+
+        for i in range(len(self.single_blocks)):
+            img = self.single_blocks[i](img, vec=vec, pe=pe)
+            controlnet_single = controlnet_single + (self.controlnet_single_blocks[i](img[:, txt.shape[1] :, ...]),)
+
+        repeat = math.ceil(self.main_model_double / len(controlnet_double))
+        if self.latent_input:
+            out_input = ()
+            for x in controlnet_double:
+                    out_input += (x,) * repeat
+        else:
+            out_input = (controlnet_double * repeat)
+
+        out = {"input": out_input[:self.main_model_double]}
+        if len(controlnet_single) > 0:
+            repeat = math.ceil(self.main_model_single / len(controlnet_single))
+            out_output = ()
+            if self.latent_input:
+                for x in controlnet_single:
+                        out_output += (x,) * repeat
+            else:
+                out_output = (controlnet_single * repeat)
+            out["output"] = out_output[:self.main_model_single]
+        return out
+
+    def forward(self, x, timesteps, context, y, guidance=None, hint=None, **kwargs):
+        patch_size = 2
+        if self.latent_input:
+            hint = comfy.ldm.common_dit.pad_to_patch_size(hint, (patch_size, patch_size))
+            hint = rearrange(hint, "b c (h ph) (w pw) -> b (h w) (c ph pw)", ph=patch_size, pw=patch_size)
+        else:
+            hint = hint * 2.0 - 1.0
+
+        bs, c, h, w = x.shape
+        x = comfy.ldm.common_dit.pad_to_patch_size(x, (patch_size, patch_size))
+
+        img = rearrange(x, "b c (h ph) (w pw) -> b (h w) (c ph pw)", ph=patch_size, pw=patch_size)
+
+        h_len = ((h + (patch_size // 2)) // patch_size)
+        w_len = ((w + (patch_size // 2)) // patch_size)
+        img_ids = torch.zeros((h_len, w_len, 3), device=x.device, dtype=x.dtype)
+        img_ids[..., 1] = img_ids[..., 1] + torch.linspace(0, h_len - 1, steps=h_len, device=x.device, dtype=x.dtype)[:, None]
+        img_ids[..., 2] = img_ids[..., 2] + torch.linspace(0, w_len - 1, steps=w_len, device=x.device, dtype=x.dtype)[None, :]
+        img_ids = repeat(img_ids, "h w c -> b (h w) c", b=bs)
+
+        txt_ids = torch.zeros((bs, context.shape[1], 3), device=x.device, dtype=x.dtype)
+        return self.forward_orig(img, img_ids, hint, context, txt_ids, timesteps, y, guidance)

comfy/ldm/flux/controlnet_xlabs.py

@@ -1,104 +0,0 @@
-#Original code can be found on: https://github.com/XLabs-AI/x-flux/blob/main/src/flux/controlnet.py
-
-import torch
-from torch import Tensor, nn
-from einops import rearrange, repeat
-
-from .layers import (DoubleStreamBlock, EmbedND, LastLayer,
-                                 MLPEmbedder, SingleStreamBlock,
-                                 timestep_embedding)
-
-from .model import Flux
-import comfy.ldm.common_dit
-
-
-class ControlNetFlux(Flux):
-    def __init__(self, image_model=None, dtype=None, device=None, operations=None, **kwargs):
-        super().__init__(final_layer=False, dtype=dtype, device=device, operations=operations, **kwargs)
-
-        # add ControlNet blocks
-        self.controlnet_blocks = nn.ModuleList([])
-        for _ in range(self.params.depth):
-            controlnet_block = operations.Linear(self.hidden_size, self.hidden_size, dtype=dtype, device=device)
-            # controlnet_block = zero_module(controlnet_block)
-            self.controlnet_blocks.append(controlnet_block)
-        self.pos_embed_input = operations.Linear(self.in_channels, self.hidden_size, bias=True, dtype=dtype, device=device)
-        self.gradient_checkpointing = False
-        self.input_hint_block = nn.Sequential(
-            operations.Conv2d(3, 16, 3, padding=1, dtype=dtype, device=device),
-            nn.SiLU(),
-            operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device),
-            nn.SiLU(),
-            operations.Conv2d(16, 16, 3, padding=1, stride=2, dtype=dtype, device=device),
-            nn.SiLU(),
-            operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device),
-            nn.SiLU(),
-            operations.Conv2d(16, 16, 3, padding=1, stride=2, dtype=dtype, device=device),
-            nn.SiLU(),
-            operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device),
-            nn.SiLU(),
-            operations.Conv2d(16, 16, 3, padding=1, stride=2, dtype=dtype, device=device),
-            nn.SiLU(),
-            operations.Conv2d(16, 16, 3, padding=1, dtype=dtype, device=device)
-        )
-
-    def forward_orig(
-        self,
-        img: Tensor,
-        img_ids: Tensor,
-        controlnet_cond: Tensor,
-        txt: Tensor,
-        txt_ids: Tensor,
-        timesteps: Tensor,
-        y: Tensor,
-        guidance: Tensor = None,
-    ) -> Tensor:
-        if img.ndim != 3 or txt.ndim != 3:
-            raise ValueError("Input img and txt tensors must have 3 dimensions.")
-
-        # running on sequences img
-        img = self.img_in(img)
-        controlnet_cond = self.input_hint_block(controlnet_cond)
-        controlnet_cond = rearrange(controlnet_cond, "b c (h ph) (w pw) -> b (h w) (c ph pw)", ph=2, pw=2)
-        controlnet_cond = self.pos_embed_input(controlnet_cond)
-        img = img + controlnet_cond
-        vec = self.time_in(timestep_embedding(timesteps, 256))
-        if self.params.guidance_embed:
-            vec = vec + self.guidance_in(timestep_embedding(guidance, 256))
-        vec = vec + self.vector_in(y)
-        txt = self.txt_in(txt)
-
-        ids = torch.cat((txt_ids, img_ids), dim=1)
-        pe = self.pe_embedder(ids)
-
-        block_res_samples = ()
-
-        for block in self.double_blocks:
-            img, txt = block(img=img, txt=txt, vec=vec, pe=pe)
-            block_res_samples = block_res_samples + (img,)
-
-        controlnet_block_res_samples = ()
-        for block_res_sample, controlnet_block in zip(block_res_samples, self.controlnet_blocks):
-            block_res_sample = controlnet_block(block_res_sample)
-            controlnet_block_res_samples = controlnet_block_res_samples + (block_res_sample,)
-
-        return {"input": (controlnet_block_res_samples * 10)[:19]}
-
-    def forward(self, x, timesteps, context, y, guidance=None, hint=None, **kwargs):
-        hint = hint * 2.0 - 1.0
-
-        bs, c, h, w = x.shape
-        patch_size = 2
-        x = comfy.ldm.common_dit.pad_to_patch_size(x, (patch_size, patch_size))
-
-        img = rearrange(x, "b c (h ph) (w pw) -> b (h w) (c ph pw)", ph=patch_size, pw=patch_size)
-
-        h_len = ((h + (patch_size // 2)) // patch_size)
-        w_len = ((w + (patch_size // 2)) // patch_size)
-        img_ids = torch.zeros((h_len, w_len, 3), device=x.device, dtype=x.dtype)
-        img_ids[..., 1] = img_ids[..., 1] + torch.linspace(0, h_len - 1, steps=h_len, device=x.device, dtype=x.dtype)[:, None]
-        img_ids[..., 2] = img_ids[..., 2] + torch.linspace(0, w_len - 1, steps=w_len, device=x.device, dtype=x.dtype)[None, :]
-        img_ids = repeat(img_ids, "h w c -> b (h w) c", b=bs)
-
-        txt_ids = torch.zeros((bs, context.shape[1], 3), device=x.device, dtype=x.dtype)
-        return self.forward_orig(img, img_ids, hint, context, txt_ids, timesteps, y, guidance)

comfy/ldm/flux/layers.py

@@ -5,7 +5,7 @@ import torch
 from torch import Tensor, nn
 
 from .math import attention, rope
-from ... import ops
+from ..common_dit import rms_norm
 
 
 class EmbedND(nn.Module):
@@ -63,10 +63,7 @@ class RMSNorm(torch.nn.Module):
         self.scale = nn.Parameter(torch.empty((dim), dtype=dtype, device=device))
 
     def forward(self, x: Tensor):
-        x_dtype = x.dtype
-        x = x.float()
-        rrms = torch.rsqrt(torch.mean(x**2, dim=-1, keepdim=True) + 1e-6)
-        return (x * rrms).to(dtype=x_dtype) * ops.cast_to(self.scale, dtype=x_dtype, device=x.device)
+        return rms_norm(x, self.scale, 1e-6)
 
 
 class QKNorm(torch.nn.Module):

comfy/ldm/modules/diffusionmodules/mmdit.py

@@ -356,29 +356,9 @@ class RMSNorm(torch.nn.Module):
         else:
             self.register_parameter("weight", None)
 
-    def _norm(self, x):
-        """
-        Apply the RMSNorm normalization to the input tensor.
-        Args:
-            x (torch.Tensor): The input tensor.
-        Returns:
-            torch.Tensor: The normalized tensor.
-        """
-        return x * torch.rsqrt(x.pow(2).mean(-1, keepdim=True) + self.eps)
-
     def forward(self, x):
-        """
-        Forward pass through the RMSNorm layer.
-        Args:
-            x (torch.Tensor): The input tensor.
-        Returns:
-            torch.Tensor: The output tensor after applying RMSNorm.
-        """
-        x = self._norm(x)
-        if self.learnable_scale:
-            return x * self.weight.to(device=x.device, dtype=x.dtype)
-        else:
-            return x
+        return comfy.ldm.common_dit.rms_norm(x, self.weight, self.eps)
+
 
 
 class SwiGLUFeedForward(nn.Module):

comfy/lora.py

@@ -15,12 +15,15 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """
+from __future__ import annotations
 
 import logging
+
 import torch
-from . import utils
+
 from . import model_base
 from . import model_management
+from . import utils
 
 LORA_CLIP_MAP = {
     "mlp.fc1": "mlp_fc1",
@@ -82,7 +85,6 @@ def load_lora(lora, to_load):
             loaded_keys.add(A_name)
             loaded_keys.add(B_name)
 
-
         ######## loha
         hada_w1_a_name = "{}.hada_w1_a".format(x)
         hada_w1_b_name = "{}.hada_w1_b".format(x)
@@ -105,7 +107,6 @@ def load_lora(lora, to_load):
             loaded_keys.add(hada_w2_a_name)
             loaded_keys.add(hada_w2_b_name)
 
-
         ######## lokr
         lokr_w1_name = "{}.lokr_w1".format(x)
         lokr_w2_name = "{}.lokr_w2".format(x)
@@ -195,6 +196,7 @@ def load_lora(lora, to_load):
 
     return patch_dict
 
+
 def model_lora_keys_clip(model, key_map={}):
     sdk = model.state_dict().keys()
 
@@ -247,7 +249,6 @@ def model_lora_keys_clip(model, key_map={}):
                 lora_key = "lora_te1_{}".format(l_key.replace(".", "_"))
                 key_map[lora_key] = k
 
-
     k = "clip_g.transformer.text_projection.weight"
     if k in sdk:
         key_map["lora_prior_te_text_projection"] = k  # cascade lora?
@@ -260,6 +261,7 @@ def model_lora_keys_clip(model, key_map={}):
 
     return key_map
 
+
 def model_lora_keys_unet(model, key_map={}):
     sd = model.state_dict()
     sdk = sd.keys()
@@ -344,6 +346,41 @@ def weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediat
         weight[:] = weight_calc
     return weight
 
+
+def pad_tensor_to_shape(tensor: torch.Tensor, new_shape: list[int]) -> torch.Tensor:
+    """
+    Pad a tensor to a new shape with zeros.
+
+    Args:
+        tensor (torch.Tensor): The original tensor to be padded.
+        new_shape (List[int]): The desired shape of the padded tensor.
+
+    Returns:
+        torch.Tensor: A new tensor padded with zeros to the specified shape.
+
+    Note:
+        If the new shape is smaller than the original tensor in any dimension,
+        the original tensor will be truncated in that dimension.
+    """
+    if any([new_shape[i] < tensor.shape[i] for i in range(len(new_shape))]):
+        raise ValueError("The new shape must be larger than the original tensor in all dimensions")
+
+    if len(new_shape) != len(tensor.shape):
+        raise ValueError("The new shape must have the same number of dimensions as the original tensor")
+
+    # Create a new tensor filled with zeros
+    padded_tensor = torch.zeros(new_shape, dtype=tensor.dtype, device=tensor.device)
+
+    # Create slicing tuples for both tensors
+    orig_slices = tuple(slice(0, dim) for dim in tensor.shape)
+    new_slices = tuple(slice(0, dim) for dim in tensor.shape)
+
+    # Copy the original tensor into the new tensor
+    padded_tensor[new_slices] = tensor[orig_slices]
+
+    return padded_tensor
+
+
 def calculate_weight(patches, weight, key, intermediate_dtype=torch.float32):
     for p in patches:
         strength = p[0]
@@ -373,12 +410,18 @@ def calculate_weight(patches, weight, key, intermediate_dtype=torch.float32):
             v = v[1]
 
         if patch_type == "diff":
-            w1 = v[0]
+            diff: torch.Tensor = v[0]
+            # An extra flag to pad the weight if the diff's shape is larger than the weight
+            do_pad_weight = len(v) > 1 and v[1]['pad_weight']
+            if do_pad_weight and diff.shape != weight.shape:
+                logging.info("Pad weight {} from {} to shape: {}".format(key, weight.shape, diff.shape))
+                weight = pad_tensor_to_shape(weight, diff.shape)
+
             if strength != 0.0:
-                if w1.shape != weight.shape:
-                    logging.warning("WARNING SHAPE MISMATCH {} WEIGHT NOT MERGED {} != {}".format(key, w1.shape, weight.shape))
+                if diff.shape != weight.shape:
+                    logging.warning("WARNING SHAPE MISMATCH {} WEIGHT NOT MERGED {} != {}".format(key, diff.shape, weight.shape))
                 else:
-                    weight += function(strength * model_management.cast_to_device(w1, weight.device, weight.dtype))
+                    weight += function(strength * model_management.cast_to_device(diff, weight.device, weight.dtype))
         elif patch_type == "lora":  # lora/locon
             mat1 = model_management.cast_to_device(v[0], weight.device, intermediate_dtype)
             mat2 = model_management.cast_to_device(v[1], weight.device, intermediate_dtype)

comfy/model_management.py

@@ -463,6 +463,8 @@ def _unload_model_clones(model, unload_weights_only=True, force_unload=True) ->
     if not force_unload:
         if unload_weights_only and unload_weight == False:
             return None
+    else:
+        unload_weight = True
 
     for i in to_unload:
         logging.debug("unload clone {} {}".format(i, unload_weight))

comfy/utils.py

@@ -566,6 +566,8 @@ def flux_to_diffusers(mmdit_config, output_prefix=""):
         ("guidance_in.out_layer.weight", "time_text_embed.guidance_embedder.linear_2.weight"),
         ("final_layer.adaLN_modulation.1.bias", "norm_out.linear.bias", swap_scale_shift),
         ("final_layer.adaLN_modulation.1.weight", "norm_out.linear.weight", swap_scale_shift),
+        ("pos_embed_input.bias", "controlnet_x_embedder.bias"),
+        ("pos_embed_input.weight", "controlnet_x_embedder.weight"),
     }
 
     for k in MAP_BASIC:

tests/unit/app_test/frontend_manager_test.py

@@ -2,6 +2,7 @@ import argparse
 
 import pytest
 from requests.exceptions import HTTPError
+from unittest.mock import patch
 
 from comfy.app.frontend_management import (
     FrontendManager,
@@ -84,6 +85,35 @@ def test_init_frontend_invalid_provider():
     with pytest.raises(HTTPError):
         FrontendManager.init_frontend_unsafe(version_string)
 
+@pytest.fixture
+def mock_os_functions():
+    with patch('app.frontend_management.os.makedirs') as mock_makedirs, \
+         patch('app.frontend_management.os.listdir') as mock_listdir, \
+         patch('app.frontend_management.os.rmdir') as mock_rmdir:
+        mock_listdir.return_value = []  # Simulate empty directory
+        yield mock_makedirs, mock_listdir, mock_rmdir
+
+@pytest.fixture
+def mock_download():
+    with patch('app.frontend_management.download_release_asset_zip') as mock:
+        mock.side_effect = Exception("Download failed")  # Simulate download failure
+        yield mock
+
+def test_finally_block(mock_os_functions, mock_download, mock_provider):
+    # Arrange
+    mock_makedirs, mock_listdir, mock_rmdir = mock_os_functions
+    version_string = 'test-owner/test-repo@1.0.0'
+
+    # Act & Assert
+    with pytest.raises(Exception):
+        FrontendManager.init_frontend_unsafe(version_string, mock_provider)
+
+    # Assert
+    mock_makedirs.assert_called_once()
+    mock_download.assert_called_once()
+    mock_listdir.assert_called_once()
+    mock_rmdir.assert_called_once()
+
 
 def test_parse_version_string():
     version_string = "owner/repo@1.0.0"