model-keyword/scripts/model_keyword.py

201 lines
7.6 KiB
Python

import modules.scripts as scripts
import gradio as gr
import csv
import os
from collections import defaultdict
import modules.shared as shared
import difflib
import random
scripts_dir = scripts.basedir()
kw_idx = 0
hash_dict = None
hash_dict_modified = None
model_hash_dict = {}
def str_simularity(a, b):
return difflib.SequenceMatcher(None, a, b).ratio()
def get_old_model_hash(filename):
if filename in model_hash_dict:
return model_hash_dict[filename]
try:
with open(filename, "rb") as file:
import hashlib
m = hashlib.sha256()
file.seek(0x100000)
m.update(file.read(0x10000))
hash = m.hexdigest()[0:8]
model_hash_dict[filename] = hash
return hash
except FileNotFoundError:
return 'NOFILE'
class Script(scripts.Script):
def title(self):
return "Model keyword"
def show(self, is_img2img):
return scripts.AlwaysVisible
def ui(self, is_img2img):
def add_custom(txt):
txt = txt.strip()
model_ckpt = os.path.basename(shared.sd_model.sd_checkpoint_info.filename)
model_hash = get_old_model_hash(shared.sd_model.sd_checkpoint_info.filename)
if len(txt) == 0:
return f"Enter keyword(trigger word) or keywords separated by |\n\nmodel={model_ckpt}\nmodel_hash={model_hash}"
insert_line = f'{model_hash}, {txt}, {model_ckpt}'
global scripts_dir
user_file = f'{scripts_dir}/custom-mappings.txt'
user_backup_file = f'{scripts_dir}/custom-mappings-backup.txt'
lines = []
if os.path.exists(user_file):
with open(user_file, newline='') as csvfile:
csvreader = csv.reader(csvfile)
for row in csvreader:
try:
mhash = row[0]
if mhash.startswith('#'):
lines.append(','.join(row))
continue
# kw = row[1]
ckptname = None if len(row)<=2 else row[2].strip(' ')
if mhash==model_hash and ckptname==model_ckpt:
continue
lines.append(','.join(row))
except:
pass
lines.append(insert_line)
csvtxt = '\n'.join(lines) + '\n'
import shutil
try:
shutil.copy(user_file, user_backup_file)
except:
pass
open(user_file, 'w').write(csvtxt)
return 'added: ' + insert_line
with gr.Group():
with gr.Accordion('Model Keyword', open=False):
is_enabled = gr.Checkbox(label='Model Keyword Enabled', value=True)
keyword_placement = gr.Dropdown(choices=["keyword prompt", "prompt keyword", "keyword, prompt", "prompt, keyword"],
value='keyword prompt',
label='Keyword placement:')
multiple_keywords = gr.Dropdown(choices=["keyword1, keyword2", "random", "iterate", "keyword1", "keyword2"],
value='keyword1, keyword2',
label='Multiple keywords:')
with gr.Accordion('Add Custom Mappings', open=False):
info = gr.HTML("<p style=\"margin-bottom:0.75em\">Add custom keyword(trigger word) mapping for current model. Custom mappings are saved to extensions/model-keyword/custom-mappings.txt</p>")
text_input = gr.Textbox(placeholder="Keyword or keywords separated by |", label="Keyword(trigger word)")
add_custom_mappings = gr.Button(value='Set Keyword for Model')
text_output = gr.Textbox(interactive=False, label='result')
add_custom_mappings.click(add_custom, inputs=text_input, outputs=text_output)
return [is_enabled, keyword_placement, multiple_keywords]
def load_hash_dict(self):
global hash_dict, hash_dict_modified, scripts_dir
default_file = f'{scripts_dir}/model-keyword.txt'
user_file = f'{scripts_dir}/custom-mappings.txt'
modified = str(os.stat(default_file).st_mtime) + '_' + str(os.stat(user_file).st_mtime)
if hash_dict is None or hash_dict_modified != modified:
hash_dict = defaultdict(list)
def parse_file(path):
if os.path.exists(path):
with open(path, newline='') as csvfile:
csvreader = csv.reader(csvfile)
for row in csvreader:
try:
mhash = row[0].strip(' ')
kw = row[1].strip(' ')
if mhash.startswith('#'):
continue
ckptname = 'default' if len(row)<=2 else row[2].strip(' ')
hash_dict[mhash].append((kw, ckptname))
except:
pass
parse_file(default_file)
parse_file(user_file)
hash_dict_modified = modified
return hash_dict
def process(self, p, is_enabled, keyword_placement, multiple_keywords):
if not is_enabled:
global hash_dict
hash_dict = None
return
# hash -> [ (keyword, ckptname) ]
hash_dict = self.load_hash_dict()
# print(hash_dict)
model_ckpt = os.path.basename(shared.sd_model.sd_checkpoint_info.filename)
model_hash = get_old_model_hash(shared.sd_model.sd_checkpoint_info.filename)
# print(f'model_hash = {model_hash}')
def new_prompt(prompt, kw, no_iter=False):
global kw_idx
kws = kw.split('|')
if len(kws) > 1:
kws = [x.strip(' ') for x in kws]
if multiple_keywords=="keyword1, keyword2":
kw = ', '.join(kws)
elif multiple_keywords=="random":
kw = random.choice(kws)
elif multiple_keywords=="iterate":
kw = kws[kw_idx%len(kws)]
if not no_iter:
kw_idx += 1
elif multiple_keywords=="keyword1":
kw = kws[0]
elif multiple_keywords=="keyword2":
kw = kws[1]
if keyword_placement == 'keyword prompt':
return kw + ' ' + prompt
elif keyword_placement == 'keyword, prompt':
return kw + ', ' + prompt
elif keyword_placement == 'prompt keyword':
return prompt + ' ' + kw
elif keyword_placement == 'prompt, keyword':
return prompt + ', ' + kw
return kw + ' ' + prompt
if model_hash in hash_dict:
lst = hash_dict[model_hash]
kw = None
if len(lst) == 1:
kw = lst[0][0]
elif len(lst) > 1:
max_sim = 0.0
kw = lst[0][0]
for kw_ckpt in lst:
sim = str_simularity(kw_ckpt[1], model_ckpt)
if sim >= max_sim:
max_sim = sim
kw = kw_ckpt[0]
if kw is not None:
p.prompt = new_prompt(p.prompt, kw, no_iter=True)
p.all_prompts = [new_prompt(prompt, kw) for prompt in p.all_prompts]