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) w_norm_name = "{}.w_norm".format(x) b_norm_name = "{}.b_norm".format(x) w_norm = lora.get(w_norm_name, None) b_norm = lora.get(b_norm_name, None) if w_norm is not None: loaded_keys.add(w_norm_name) patch_dict[to_load[x]] = (w_norm,) if b_norm is not None: loaded_keys.add(b_norm_name) patch_dict["{}.bias".format(to_load[x][:-len(".weight")])] = (b_norm,) 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