automatic/modules/styles.py

224 lines
9.1 KiB
Python

# We need this so Python doesn't complain about the unknown StableDiffusionProcessing-typehint at runtime
from __future__ import annotations
import re
import os
import csv
import json
import time
from installer import log
from modules import files_cache
class Style():
def __init__(self, name: str, desc: str = "", prompt: str = "", negative_prompt: str = "", extra: str = "", filename: str = "", preview: str = "", mtime: float = 0):
self.name = name
self.description = desc
self.prompt = prompt
self.negative_prompt = negative_prompt
self.extra = extra
self.filename = filename
self.preview = preview
self.mtime = mtime
def merge_prompts(style_prompt: str, prompt: str) -> str:
if "{prompt}" in style_prompt:
res = style_prompt.replace("{prompt}", prompt)
else:
original_prompt = prompt.strip()
style_prompt = style_prompt.strip()
parts = filter(None, (original_prompt, style_prompt))
if original_prompt.endswith(","):
res = " ".join(parts)
else:
res = ", ".join(parts)
return res
def apply_styles_to_prompt(prompt, styles):
for style in styles:
prompt = merge_prompts(style, prompt)
return prompt
def apply_styles_to_extra(p, style: Style):
if style is None:
return
name_map = {
'sampler': 'sampler_name',
}
from modules.generation_parameters_copypaste import parse_generation_parameters
extra = parse_generation_parameters(style.extra)
extra.pop('Prompt', None)
extra.pop('Negative prompt', None)
fields = []
for k, v in extra.items():
k = k.lower()
k = k.replace(' ', '_')
if k in name_map: # rename some fields
k = name_map[k]
if hasattr(p, k):
orig = getattr(p, k)
if type(orig) != type(v) and orig is not None:
v = type(orig)(v)
setattr(p, k, v)
fields.append(f'{k}={v}')
log.debug(f'Applying style: name="{style.name}" extra={fields}')
class StyleDatabase:
def __init__(self, opts):
from modules import paths
self.no_style = Style("None")
self.styles = {}
self.path = opts.styles_dir
self.built_in = opts.extra_networks_styles
if os.path.isfile(opts.styles_dir) or opts.styles_dir.endswith(".csv"):
legacy_file = opts.styles_dir
self.load_csv(legacy_file)
opts.styles_dir = os.path.join(paths.models_path, "styles")
self.path = opts.styles_dir
os.makedirs(opts.styles_dir, exist_ok=True)
self.save_styles(opts.styles_dir, verbose=True)
log.debug(f'Migrated styles: file={legacy_file} folder={opts.styles_dir}')
self.reload()
if not os.path.isdir(opts.styles_dir):
opts.styles_dir = os.path.join(paths.models_path, "styles")
self.path = opts.styles_dir
os.makedirs(opts.styles_dir, exist_ok=True)
def load_style(self, fn, prefix=None):
with open(fn, 'r', encoding='utf-8') as f:
new_style = None
try:
all_styles = json.load(f)
if type(all_styles) is dict:
all_styles = [all_styles]
for style in all_styles:
if type(style) is not dict or "name" not in style:
raise ValueError('cannot parse style')
basename = os.path.splitext(os.path.basename(fn))[0]
name = re.sub(r'[\t\r\n]', '', style.get("name", basename)).strip()
if prefix is not None:
name = os.path.join(prefix, name)
else:
name = os.path.join(os.path.dirname(os.path.relpath(fn, self.path)), name)
new_style = Style(
name=name,
desc=style.get('description', name),
prompt=style.get("prompt", ""),
negative_prompt=style.get("negative", ""),
extra=style.get("extra", ""),
preview=style.get("preview", None),
filename=fn,
mtime=os.path.getmtime(fn),
)
self.styles[style["name"]] = new_style
except Exception as e:
log.error(f'Failed to load style: file={fn} error={e}')
return new_style
def reload(self):
t0 = time.time()
self.styles.clear()
def list_folder(folder):
import concurrent
future_items = {}
candidates = list(files_cache.list_files(folder, ext_filter=['.json'], recursive=files_cache.not_hidden))
with concurrent.futures.ThreadPoolExecutor(max_workers=8) as executor:
for fn in candidates:
if os.path.isfile(fn) and fn.lower().endswith(".json"):
future_items[executor.submit(self.load_style, fn, None)] = fn
# self.load_style(fn)
elif os.path.isdir(fn) and not fn.startswith('.'):
list_folder(fn)
self.styles = dict(sorted(self.styles.items(), key=lambda style: style[1].filename))
if self.built_in:
fn = os.path.join('html', 'art-styles.json')
future_items[executor.submit(self.load_style, fn, 'built-in')] = fn
for future in concurrent.futures.as_completed(future_items):
future.result()
list_folder(self.path)
t1 = time.time()
log.debug(f'Load styles: folder="{self.path}" items={len(self.styles.keys())} time={t1-t0:.2f}')
def find_style(self, name):
found = [style for style in self.styles.values() if style.name == name]
return found[0] if len(found) > 0 else self.no_style
def get_style_prompts(self, styles):
if styles is None or not isinstance(styles, list):
log.error(f'Invalid styles: {styles}')
return []
return [self.find_style(x).prompt for x in styles]
def get_negative_style_prompts(self, styles):
if styles is None or not isinstance(styles, list):
log.error(f'Invalid styles: {styles}')
return []
return [self.find_style(x).negative_prompt for x in styles]
def apply_styles_to_prompt(self, prompt, styles):
if styles is None or not isinstance(styles, list):
log.error(f'Invalid styles: {styles}')
return prompt
return apply_styles_to_prompt(prompt, [self.find_style(x).prompt for x in styles])
def apply_negative_styles_to_prompt(self, prompt, styles):
if styles is None or not isinstance(styles, list):
log.error(f'Invalid styles: {styles}')
return prompt
return apply_styles_to_prompt(prompt, [self.find_style(x).negative_prompt for x in styles])
def apply_styles_to_extra(self, p):
if p.styles is None or not isinstance(p.styles, list):
log.error(f'Invalid styles: {p.styles}')
return
for style in p.styles:
s = self.find_style(style)
apply_styles_to_extra(p, s)
def save_styles(self, path, verbose=False):
for name in list(self.styles):
style = {
"name": name,
"prompt": self.styles[name].prompt,
"negative": self.styles[name].negative_prompt,
"extra": "",
"preview": "",
}
keepcharacters = (' ','.','_')
fn = "".join(c for c in name if c.isalnum() or c in keepcharacters).rstrip()
fn = os.path.join(path, fn + ".json")
try:
with open(fn, 'w', encoding='utf-8') as f:
json.dump(style, f, indent=2)
if verbose:
log.debug(f'Saved style: name={name} file={fn}')
except Exception as e:
log.error(f'Failed to save style: name={name} file={path} error={e}')
count = len(list(self.styles))
if count > 0:
log.debug(f'Saved styles: folder="{path}" items={count}')
def load_csv(self, legacy_file):
if not os.path.isfile(legacy_file):
return
with open(legacy_file, "r", encoding="utf-8-sig", newline='') as file:
reader = csv.DictReader(file, skipinitialspace=True)
num = 0
for row in reader:
try:
name = row["name"]
prompt = row["prompt"] if "prompt" in row else row["text"]
negative = row.get("negative_prompt", "") if "negative_prompt" in row else row.get("negative", "")
self.styles[name] = Style(name, desc=name, prompt=prompt, negative_prompt=negative, extra="")
log.debug(f'Migrated style: {self.styles[name].__dict__}')
num += 1
except Exception:
log.error(f'Styles error: file="{legacy_file}" row={row}')
log.info(f'Load legacy styles: file="{legacy_file}" loaded={num} created={len(list(self.styles))}')