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Commit 15a7716f authored by comfyanonymous's avatar comfyanonymous
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Move lora code to comfy/lora.py

parent ec96f6d0
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comfy/lora.py 0 → 100644
View file @ 15a7716f
import comfy.utils
LORA_CLIP_MAP = {
"mlp.fc1": "mlp_fc1",
"mlp.fc2": "mlp_fc2",
"self_attn.k_proj": "self_attn_k_proj",
"self_attn.q_proj": "self_attn_q_proj",
"self_attn.v_proj": "self_attn_v_proj",
"self_attn.out_proj": "self_attn_out_proj",
}
def load_lora(lora, to_load):
patch_dict = {}
loaded_keys = set()
for x in to_load:
alpha_name = "{}.alpha".format(x)
alpha = None
if alpha_name in lora.keys():
alpha = lora[alpha_name].item()
loaded_keys.add(alpha_name)
regular_lora = "{}.lora_up.weight".format(x)
diffusers_lora = "{}_lora.up.weight".format(x)
transformers_lora = "{}.lora_linear_layer.up.weight".format(x)
A_name = None
if regular_lora in lora.keys():
A_name = regular_lora
B_name = "{}.lora_down.weight".format(x)
mid_name = "{}.lora_mid.weight".format(x)
elif diffusers_lora in lora.keys():
A_name = diffusers_lora
B_name = "{}_lora.down.weight".format(x)
mid_name = None
elif transformers_lora in lora.keys():
A_name = transformers_lora
B_name ="{}.lora_linear_layer.down.weight".format(x)
mid_name = None
if A_name is not None:
mid = None
if mid_name is not None and mid_name in lora.keys():
mid = lora[mid_name]
loaded_keys.add(mid_name)
patch_dict[to_load[x]] = (lora[A_name], lora[B_name], alpha, mid)
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)
hada_w2_a_name = "{}.hada_w2_a".format(x)
hada_w2_b_name = "{}.hada_w2_b".format(x)
hada_t1_name = "{}.hada_t1".format(x)
hada_t2_name = "{}.hada_t2".format(x)
if hada_w1_a_name in lora.keys():
hada_t1 = None
hada_t2 = None
if hada_t1_name in lora.keys():
hada_t1 = lora[hada_t1_name]
hada_t2 = lora[hada_t2_name]
loaded_keys.add(hada_t1_name)
loaded_keys.add(hada_t2_name)
patch_dict[to_load[x]] = (lora[hada_w1_a_name], lora[hada_w1_b_name], alpha, lora[hada_w2_a_name], lora[hada_w2_b_name], hada_t1, hada_t2)
loaded_keys.add(hada_w1_a_name)
loaded_keys.add(hada_w1_b_name)
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)
lokr_w1_a_name = "{}.lokr_w1_a".format(x)
lokr_w1_b_name = "{}.lokr_w1_b".format(x)
lokr_t2_name = "{}.lokr_t2".format(x)
lokr_w2_a_name = "{}.lokr_w2_a".format(x)
lokr_w2_b_name = "{}.lokr_w2_b".format(x)
lokr_w1 = None
if lokr_w1_name in lora.keys():
lokr_w1 = lora[lokr_w1_name]
loaded_keys.add(lokr_w1_name)
lokr_w2 = None
if lokr_w2_name in lora.keys():
lokr_w2 = lora[lokr_w2_name]
loaded_keys.add(lokr_w2_name)
lokr_w1_a = None
if lokr_w1_a_name in lora.keys():
lokr_w1_a = lora[lokr_w1_a_name]
loaded_keys.add(lokr_w1_a_name)
lokr_w1_b = None
if lokr_w1_b_name in lora.keys():
lokr_w1_b = lora[lokr_w1_b_name]
loaded_keys.add(lokr_w1_b_name)
lokr_w2_a = None
if lokr_w2_a_name in lora.keys():
lokr_w2_a = lora[lokr_w2_a_name]
loaded_keys.add(lokr_w2_a_name)
lokr_w2_b = None
if lokr_w2_b_name in lora.keys():
lokr_w2_b = lora[lokr_w2_b_name]
loaded_keys.add(lokr_w2_b_name)
lokr_t2 = None
if lokr_t2_name in lora.keys():
lokr_t2 = lora[lokr_t2_name]
loaded_keys.add(lokr_t2_name)
if (lokr_w1 is not None) or (lokr_w2 is not None) or (lokr_w1_a is not None) or (lokr_w2_a is not None):
patch_dict[to_load[x]] = (lokr_w1, lokr_w2, alpha, lokr_w1_a, lokr_w1_b, lokr_w2_a, lokr_w2_b, lokr_t2)
for x in lora.keys():
if x not in loaded_keys:
print("lora key not loaded", x)
return patch_dict
def model_lora_keys_clip(model, key_map={}):
sdk = model.state_dict().keys()
text_model_lora_key = "lora_te_text_model_encoder_layers_{}_{}"
clip_l_present = False
for b in range(32):
for c in LORA_CLIP_MAP:
k = "transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
if k in sdk:
lora_key = text_model_lora_key.format(b, LORA_CLIP_MAP[c])
key_map[lora_key] = k
lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c])
key_map[lora_key] = k
lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
k = "clip_l.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
if k in sdk:
lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
key_map[lora_key] = k
clip_l_present = True
lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
k = "clip_g.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
if k in sdk:
if clip_l_present:
lora_key = "lora_te2_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
key_map[lora_key] = k
lora_key = "text_encoder_2.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
else:
lora_key = "lora_te_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #TODO: test if this is correct for SDXL-Refiner
key_map[lora_key] = k
lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
return key_map
def model_lora_keys_unet(model, key_map={}):
sdk = model.state_dict().keys()
for k in sdk:
if k.startswith("diffusion_model.") and k.endswith(".weight"):
key_lora = k[len("diffusion_model."):-len(".weight")].replace(".", "_")
key_map["lora_unet_{}".format(key_lora)] = k
diffusers_keys = comfy.utils.unet_to_diffusers(model.model_config.unet_config)
for k in diffusers_keys:
if k.endswith(".weight"):
unet_key = "diffusion_model.{}".format(diffusers_keys[k])
key_lora = k[:-len(".weight")].replace(".", "_")
key_map["lora_unet_{}".format(key_lora)] = unet_key
diffusers_lora_prefix = ["", "unet."]
for p in diffusers_lora_prefix:
diffusers_lora_key = "{}{}".format(p, k[:-len(".weight")].replace(".to_", ".processor.to_"))
if diffusers_lora_key.endswith(".to_out.0"):
diffusers_lora_key = diffusers_lora_key[:-2]
key_map[diffusers_lora_key] = unet_key
return key_map
comfy/sd.py
View file @ 15a7716f
...@@ -22,6 +22,8 @@ from . import sd1_clip ...@@ -22,6 +22,8 @@ from . import sd1_clip
from . import sd2_clip from . import sd2_clip
from . import sdxl_clip from . import sdxl_clip
import comfy.lora
def load_model_weights(model, sd): def load_model_weights(model, sd):
m, u = model.load_state_dict(sd, strict=False) m, u = model.load_state_dict(sd, strict=False)
m = set(m) m = set(m)
...@@ -51,190 +53,7 @@ def load_clip_weights(model, sd): ...@@ -51,190 +53,7 @@ def load_clip_weights(model, sd):
sd = utils.transformers_convert(sd, "cond_stage_model.model.", "cond_stage_model.transformer.text_model.", 24) sd = utils.transformers_convert(sd, "cond_stage_model.model.", "cond_stage_model.transformer.text_model.", 24)
return load_model_weights(model, sd) return load_model_weights(model, sd)
LORA_CLIP_MAP = {
"mlp.fc1": "mlp_fc1",
"mlp.fc2": "mlp_fc2",
"self_attn.k_proj": "self_attn_k_proj",
"self_attn.q_proj": "self_attn_q_proj",
"self_attn.v_proj": "self_attn_v_proj",
"self_attn.out_proj": "self_attn_out_proj",
}
def load_lora(lora, to_load):
patch_dict = {}
loaded_keys = set()
for x in to_load:
alpha_name = "{}.alpha".format(x)
alpha = None
if alpha_name in lora.keys():
alpha = lora[alpha_name].item()
loaded_keys.add(alpha_name)
regular_lora = "{}.lora_up.weight".format(x)
diffusers_lora = "{}_lora.up.weight".format(x)
transformers_lora = "{}.lora_linear_layer.up.weight".format(x)
A_name = None
if regular_lora in lora.keys():
A_name = regular_lora
B_name = "{}.lora_down.weight".format(x)
mid_name = "{}.lora_mid.weight".format(x)
elif diffusers_lora in lora.keys():
A_name = diffusers_lora
B_name = "{}_lora.down.weight".format(x)
mid_name = None
elif transformers_lora in lora.keys():
A_name = transformers_lora
B_name ="{}.lora_linear_layer.down.weight".format(x)
mid_name = None
if A_name is not None:
mid = None
if mid_name is not None and mid_name in lora.keys():
mid = lora[mid_name]
loaded_keys.add(mid_name)
patch_dict[to_load[x]] = (lora[A_name], lora[B_name], alpha, mid)
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)
hada_w2_a_name = "{}.hada_w2_a".format(x)
hada_w2_b_name = "{}.hada_w2_b".format(x)
hada_t1_name = "{}.hada_t1".format(x)
hada_t2_name = "{}.hada_t2".format(x)
if hada_w1_a_name in lora.keys():
hada_t1 = None
hada_t2 = None
if hada_t1_name in lora.keys():
hada_t1 = lora[hada_t1_name]
hada_t2 = lora[hada_t2_name]
loaded_keys.add(hada_t1_name)
loaded_keys.add(hada_t2_name)
patch_dict[to_load[x]] = (lora[hada_w1_a_name], lora[hada_w1_b_name], alpha, lora[hada_w2_a_name], lora[hada_w2_b_name], hada_t1, hada_t2)
loaded_keys.add(hada_w1_a_name)
loaded_keys.add(hada_w1_b_name)
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)
lokr_w1_a_name = "{}.lokr_w1_a".format(x)
lokr_w1_b_name = "{}.lokr_w1_b".format(x)
lokr_t2_name = "{}.lokr_t2".format(x)
lokr_w2_a_name = "{}.lokr_w2_a".format(x)
lokr_w2_b_name = "{}.lokr_w2_b".format(x)
lokr_w1 = None
if lokr_w1_name in lora.keys():
lokr_w1 = lora[lokr_w1_name]
loaded_keys.add(lokr_w1_name)
lokr_w2 = None
if lokr_w2_name in lora.keys():
lokr_w2 = lora[lokr_w2_name]
loaded_keys.add(lokr_w2_name)
lokr_w1_a = None
if lokr_w1_a_name in lora.keys():
lokr_w1_a = lora[lokr_w1_a_name]
loaded_keys.add(lokr_w1_a_name)
lokr_w1_b = None
if lokr_w1_b_name in lora.keys():
lokr_w1_b = lora[lokr_w1_b_name]
loaded_keys.add(lokr_w1_b_name)
lokr_w2_a = None
if lokr_w2_a_name in lora.keys():
lokr_w2_a = lora[lokr_w2_a_name]
loaded_keys.add(lokr_w2_a_name)
lokr_w2_b = None
if lokr_w2_b_name in lora.keys():
lokr_w2_b = lora[lokr_w2_b_name]
loaded_keys.add(lokr_w2_b_name)
lokr_t2 = None
if lokr_t2_name in lora.keys():
lokr_t2 = lora[lokr_t2_name]
loaded_keys.add(lokr_t2_name)
if (lokr_w1 is not None) or (lokr_w2 is not None) or (lokr_w1_a is not None) or (lokr_w2_a is not None):
patch_dict[to_load[x]] = (lokr_w1, lokr_w2, alpha, lokr_w1_a, lokr_w1_b, lokr_w2_a, lokr_w2_b, lokr_t2)
for x in lora.keys():
if x not in loaded_keys:
print("lora key not loaded", x)
return patch_dict
def model_lora_keys_clip(model, key_map={}):
sdk = model.state_dict().keys()
text_model_lora_key = "lora_te_text_model_encoder_layers_{}_{}"
clip_l_present = False
for b in range(32):
for c in LORA_CLIP_MAP:
k = "transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
if k in sdk:
lora_key = text_model_lora_key.format(b, LORA_CLIP_MAP[c])
key_map[lora_key] = k
lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c])
key_map[lora_key] = k
lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
k = "clip_l.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
if k in sdk:
lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
key_map[lora_key] = k
clip_l_present = True
lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
k = "clip_g.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
if k in sdk:
if clip_l_present:
lora_key = "lora_te2_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
key_map[lora_key] = k
lora_key = "text_encoder_2.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
else:
lora_key = "lora_te_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #TODO: test if this is correct for SDXL-Refiner
key_map[lora_key] = k
lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
key_map[lora_key] = k
return key_map
def model_lora_keys_unet(model, key_map={}):
sdk = model.state_dict().keys()
for k in sdk:
if k.startswith("diffusion_model.") and k.endswith(".weight"):
key_lora = k[len("diffusion_model."):-len(".weight")].replace(".", "_")
key_map["lora_unet_{}".format(key_lora)] = k
diffusers_keys = utils.unet_to_diffusers(model.model_config.unet_config)
for k in diffusers_keys:
if k.endswith(".weight"):
unet_key = "diffusion_model.{}".format(diffusers_keys[k])
key_lora = k[:-len(".weight")].replace(".", "_")
key_map["lora_unet_{}".format(key_lora)] = unet_key
diffusers_lora_prefix = ["", "unet."]
for p in diffusers_lora_prefix:
diffusers_lora_key = "{}{}".format(p, k[:-len(".weight")].replace(".to_", ".processor.to_"))
if diffusers_lora_key.endswith(".to_out.0"):
diffusers_lora_key = diffusers_lora_key[:-2]
key_map[diffusers_lora_key] = unet_key
return key_map
def set_attr(obj, attr, value): def set_attr(obj, attr, value):
attrs = attr.split(".") attrs = attr.split(".")
...@@ -518,9 +337,9 @@ class ModelPatcher: ...@@ -518,9 +337,9 @@ class ModelPatcher:
def load_lora_for_models(model, clip, lora, strength_model, strength_clip): def load_lora_for_models(model, clip, lora, strength_model, strength_clip):
key_map = model_lora_keys_unet(model.model) key_map = comfy.lora.model_lora_keys_unet(model.model)
key_map = model_lora_keys_clip(clip.cond_stage_model, key_map) key_map = comfy.lora.model_lora_keys_clip(clip.cond_stage_model, key_map)
loaded = load_lora(lora, key_map) loaded = comfy.lora.load_lora(lora, key_map)
new_modelpatcher = model.clone() new_modelpatcher = model.clone()
k = new_modelpatcher.add_patches(loaded, strength_model) k = new_modelpatcher.add_patches(loaded, strength_model)
new_clip = clip.clone() new_clip = clip.clone()
......
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