You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
1.4 KiB
34 lines
1.4 KiB
import sd1_clip |
|
import torch |
|
import os |
|
|
|
class SD2ClipModel(sd1_clip.SD1ClipModel): |
|
def __init__(self, arch="ViT-H-14", device="cpu", max_length=77, freeze=True, layer="penultimate", layer_idx=None): |
|
textmodel_json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "sd2_clip_config.json") |
|
super().__init__(device=device, freeze=freeze, textmodel_json_config=textmodel_json_config) |
|
self.empty_tokens = [[49406] + [49407] + [0] * 75] |
|
if layer == "last": |
|
pass |
|
elif layer == "penultimate": |
|
layer_idx = -1 |
|
self.clip_layer(layer_idx) |
|
elif self.layer == "hidden": |
|
assert layer_idx is not None |
|
assert abs(layer_idx) < 24 |
|
self.clip_layer(layer_idx) |
|
else: |
|
raise NotImplementedError() |
|
|
|
def clip_layer(self, layer_idx): |
|
if layer_idx < 0: |
|
layer_idx -= 1 #The real last layer of SD2.x clip is the penultimate one. The last one might contain garbage. |
|
if abs(layer_idx) >= 24: |
|
self.layer = "hidden" |
|
self.layer_idx = -2 |
|
else: |
|
self.layer = "hidden" |
|
self.layer_idx = layer_idx |
|
|
|
class SD2Tokenizer(sd1_clip.SD1Tokenizer): |
|
def __init__(self, tokenizer_path=None, embedding_directory=None): |
|
super().__init__(tokenizer_path, pad_with_end=False, embedding_directory=embedding_directory)
|
|
|