286 lines
12 KiB
Python
286 lines
12 KiB
Python
import comfy.utils
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import logging
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LORA_CLIP_MAP = {
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"mlp.fc1": "mlp_fc1",
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"mlp.fc2": "mlp_fc2",
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"self_attn.k_proj": "self_attn_k_proj",
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"self_attn.q_proj": "self_attn_q_proj",
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"self_attn.v_proj": "self_attn_v_proj",
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"self_attn.out_proj": "self_attn_out_proj",
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}
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def load_lora(lora, to_load):
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patch_dict = {}
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loaded_keys = set()
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for x in to_load:
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alpha_name = "{}.alpha".format(x)
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alpha = None
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if alpha_name in lora.keys():
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alpha = lora[alpha_name].item()
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loaded_keys.add(alpha_name)
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dora_scale_name = "{}.dora_scale".format(x)
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dora_scale = None
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if dora_scale_name in lora.keys():
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dora_scale = lora[dora_scale_name]
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loaded_keys.add(dora_scale_name)
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regular_lora = "{}.lora_up.weight".format(x)
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diffusers_lora = "{}_lora.up.weight".format(x)
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diffusers2_lora = "{}.lora_B.weight".format(x)
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diffusers3_lora = "{}.lora.up.weight".format(x)
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transformers_lora = "{}.lora_linear_layer.up.weight".format(x)
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A_name = None
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if regular_lora in lora.keys():
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A_name = regular_lora
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B_name = "{}.lora_down.weight".format(x)
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mid_name = "{}.lora_mid.weight".format(x)
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elif diffusers_lora in lora.keys():
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A_name = diffusers_lora
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B_name = "{}_lora.down.weight".format(x)
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mid_name = None
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elif diffusers2_lora in lora.keys():
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A_name = diffusers2_lora
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B_name = "{}.lora_A.weight".format(x)
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mid_name = None
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elif diffusers3_lora in lora.keys():
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A_name = diffusers3_lora
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B_name = "{}.lora.down.weight".format(x)
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mid_name = None
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elif transformers_lora in lora.keys():
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A_name = transformers_lora
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B_name ="{}.lora_linear_layer.down.weight".format(x)
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mid_name = None
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if A_name is not None:
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mid = None
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if mid_name is not None and mid_name in lora.keys():
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mid = lora[mid_name]
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loaded_keys.add(mid_name)
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patch_dict[to_load[x]] = ("lora", (lora[A_name], lora[B_name], alpha, mid, dora_scale))
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loaded_keys.add(A_name)
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loaded_keys.add(B_name)
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######## loha
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hada_w1_a_name = "{}.hada_w1_a".format(x)
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hada_w1_b_name = "{}.hada_w1_b".format(x)
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hada_w2_a_name = "{}.hada_w2_a".format(x)
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hada_w2_b_name = "{}.hada_w2_b".format(x)
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hada_t1_name = "{}.hada_t1".format(x)
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hada_t2_name = "{}.hada_t2".format(x)
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if hada_w1_a_name in lora.keys():
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hada_t1 = None
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hada_t2 = None
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if hada_t1_name in lora.keys():
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hada_t1 = lora[hada_t1_name]
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hada_t2 = lora[hada_t2_name]
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loaded_keys.add(hada_t1_name)
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loaded_keys.add(hada_t2_name)
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patch_dict[to_load[x]] = ("loha", (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, dora_scale))
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loaded_keys.add(hada_w1_a_name)
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loaded_keys.add(hada_w1_b_name)
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loaded_keys.add(hada_w2_a_name)
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loaded_keys.add(hada_w2_b_name)
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######## lokr
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lokr_w1_name = "{}.lokr_w1".format(x)
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lokr_w2_name = "{}.lokr_w2".format(x)
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lokr_w1_a_name = "{}.lokr_w1_a".format(x)
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lokr_w1_b_name = "{}.lokr_w1_b".format(x)
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lokr_t2_name = "{}.lokr_t2".format(x)
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lokr_w2_a_name = "{}.lokr_w2_a".format(x)
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lokr_w2_b_name = "{}.lokr_w2_b".format(x)
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lokr_w1 = None
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if lokr_w1_name in lora.keys():
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lokr_w1 = lora[lokr_w1_name]
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loaded_keys.add(lokr_w1_name)
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lokr_w2 = None
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if lokr_w2_name in lora.keys():
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lokr_w2 = lora[lokr_w2_name]
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loaded_keys.add(lokr_w2_name)
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lokr_w1_a = None
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if lokr_w1_a_name in lora.keys():
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lokr_w1_a = lora[lokr_w1_a_name]
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loaded_keys.add(lokr_w1_a_name)
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lokr_w1_b = None
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if lokr_w1_b_name in lora.keys():
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lokr_w1_b = lora[lokr_w1_b_name]
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loaded_keys.add(lokr_w1_b_name)
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lokr_w2_a = None
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if lokr_w2_a_name in lora.keys():
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lokr_w2_a = lora[lokr_w2_a_name]
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loaded_keys.add(lokr_w2_a_name)
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lokr_w2_b = None
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if lokr_w2_b_name in lora.keys():
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lokr_w2_b = lora[lokr_w2_b_name]
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loaded_keys.add(lokr_w2_b_name)
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lokr_t2 = None
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if lokr_t2_name in lora.keys():
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lokr_t2 = lora[lokr_t2_name]
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loaded_keys.add(lokr_t2_name)
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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):
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patch_dict[to_load[x]] = ("lokr", (lokr_w1, lokr_w2, alpha, lokr_w1_a, lokr_w1_b, lokr_w2_a, lokr_w2_b, lokr_t2, dora_scale))
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#glora
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a1_name = "{}.a1.weight".format(x)
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a2_name = "{}.a2.weight".format(x)
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b1_name = "{}.b1.weight".format(x)
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b2_name = "{}.b2.weight".format(x)
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if a1_name in lora:
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patch_dict[to_load[x]] = ("glora", (lora[a1_name], lora[a2_name], lora[b1_name], lora[b2_name], alpha, dora_scale))
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loaded_keys.add(a1_name)
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loaded_keys.add(a2_name)
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loaded_keys.add(b1_name)
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loaded_keys.add(b2_name)
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w_norm_name = "{}.w_norm".format(x)
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b_norm_name = "{}.b_norm".format(x)
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w_norm = lora.get(w_norm_name, None)
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b_norm = lora.get(b_norm_name, None)
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if w_norm is not None:
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loaded_keys.add(w_norm_name)
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patch_dict[to_load[x]] = ("diff", (w_norm,))
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if b_norm is not None:
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loaded_keys.add(b_norm_name)
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patch_dict["{}.bias".format(to_load[x][:-len(".weight")])] = ("diff", (b_norm,))
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diff_name = "{}.diff".format(x)
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diff_weight = lora.get(diff_name, None)
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if diff_weight is not None:
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patch_dict[to_load[x]] = ("diff", (diff_weight,))
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loaded_keys.add(diff_name)
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diff_bias_name = "{}.diff_b".format(x)
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diff_bias = lora.get(diff_bias_name, None)
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if diff_bias is not None:
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patch_dict["{}.bias".format(to_load[x][:-len(".weight")])] = ("diff", (diff_bias,))
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loaded_keys.add(diff_bias_name)
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for x in lora.keys():
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if x not in loaded_keys:
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logging.warning("lora key not loaded: {}".format(x))
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return patch_dict
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def model_lora_keys_clip(model, key_map={}):
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sdk = model.state_dict().keys()
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text_model_lora_key = "lora_te_text_model_encoder_layers_{}_{}"
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clip_l_present = False
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for b in range(32): #TODO: clean up
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for c in LORA_CLIP_MAP:
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k = "clip_h.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
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if k in sdk:
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lora_key = text_model_lora_key.format(b, LORA_CLIP_MAP[c])
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key_map[lora_key] = k
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lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c])
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key_map[lora_key] = k
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lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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k = "clip_l.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
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if k in sdk:
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lora_key = text_model_lora_key.format(b, LORA_CLIP_MAP[c])
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key_map[lora_key] = k
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lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
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key_map[lora_key] = k
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clip_l_present = True
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lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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k = "clip_g.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
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if k in sdk:
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if clip_l_present:
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lora_key = "lora_te2_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
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key_map[lora_key] = k
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lora_key = "text_encoder_2.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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else:
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lora_key = "lora_te_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #TODO: test if this is correct for SDXL-Refiner
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key_map[lora_key] = k
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lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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lora_key = "lora_prior_te_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #cascade lora: TODO put lora key prefix in the model config
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key_map[lora_key] = k
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for k in sdk: #OneTrainer SD3 lora
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if k.startswith("t5xxl.transformer.") and k.endswith(".weight"):
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l_key = k[len("t5xxl.transformer."):-len(".weight")]
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lora_key = "lora_te3_{}".format(l_key.replace(".", "_"))
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key_map[lora_key] = k
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k = "clip_g.transformer.text_projection.weight"
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if k in sdk:
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key_map["lora_prior_te_text_projection"] = k #cascade lora?
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# key_map["text_encoder.text_projection"] = k #TODO: check if other lora have the text_projection too
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key_map["lora_te2_text_projection"] = k #OneTrainer SD3 lora
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k = "clip_l.transformer.text_projection.weight"
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if k in sdk:
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key_map["lora_te1_text_projection"] = k #OneTrainer SD3 lora, not necessary but omits warning
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return key_map
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def model_lora_keys_unet(model, key_map={}):
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sd = model.state_dict()
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sdk = sd.keys()
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for k in sdk:
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if k.startswith("diffusion_model.") and k.endswith(".weight"):
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key_lora = k[len("diffusion_model."):-len(".weight")].replace(".", "_")
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key_map["lora_unet_{}".format(key_lora)] = k
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key_map["lora_prior_unet_{}".format(key_lora)] = k #cascade lora: TODO put lora key prefix in the model config
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diffusers_keys = comfy.utils.unet_to_diffusers(model.model_config.unet_config)
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for k in diffusers_keys:
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if k.endswith(".weight"):
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unet_key = "diffusion_model.{}".format(diffusers_keys[k])
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key_lora = k[:-len(".weight")].replace(".", "_")
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key_map["lora_unet_{}".format(key_lora)] = unet_key
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diffusers_lora_prefix = ["", "unet."]
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for p in diffusers_lora_prefix:
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diffusers_lora_key = "{}{}".format(p, k[:-len(".weight")].replace(".to_", ".processor.to_"))
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if diffusers_lora_key.endswith(".to_out.0"):
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diffusers_lora_key = diffusers_lora_key[:-2]
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key_map[diffusers_lora_key] = unet_key
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if isinstance(model, comfy.model_base.SD3): #Diffusers lora SD3
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diffusers_keys = comfy.utils.mmdit_to_diffusers(model.model_config.unet_config, output_prefix="diffusion_model.")
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for k in diffusers_keys:
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if k.endswith(".weight"):
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to = diffusers_keys[k]
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key_lora = "transformer.{}".format(k[:-len(".weight")]) #regular diffusers sd3 lora format
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key_map[key_lora] = to
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key_lora = "base_model.model.{}".format(k[:-len(".weight")]) #format for flash-sd3 lora and others?
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key_map[key_lora] = to
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key_lora = "lora_transformer_{}".format(k[:-len(".weight")].replace(".", "_")) #OneTrainer lora
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key_map[key_lora] = to
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if isinstance(model, comfy.model_base.AuraFlow): #Diffusers lora AuraFlow
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diffusers_keys = comfy.utils.auraflow_to_diffusers(model.model_config.unet_config, output_prefix="diffusion_model.")
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for k in diffusers_keys:
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if k.endswith(".weight"):
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to = diffusers_keys[k]
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key_lora = "transformer.{}".format(k[:-len(".weight")]) #simpletrainer and probably regular diffusers lora format
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key_map[key_lora] = to
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return key_map
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