stable-diffusion-webui/modules/sd_samplers.py
2024-05-02 02:25:16 +09:00

133 lines
4.3 KiB
Python

from __future__ import annotations
import functools
import logging
from modules import sd_samplers_kdiffusion, sd_samplers_timesteps, sd_samplers_lcm, shared, sd_samplers_common, sd_schedulers
# imports for functions that previously were here and are used by other modules
samples_to_image_grid = sd_samplers_common.samples_to_image_grid
sample_to_image = sd_samplers_common.sample_to_image
all_samplers = [
*sd_samplers_kdiffusion.samplers_data_k_diffusion,
*sd_samplers_timesteps.samplers_data_timesteps,
*sd_samplers_lcm.samplers_data_lcm,
]
all_samplers_map = {x.name: x for x in all_samplers}
samplers: list[sd_samplers_common.SamplerData] = []
samplers_for_img2img: list[sd_samplers_common.SamplerData] = []
samplers_map = {}
samplers_hidden = {}
def find_sampler_config(name):
if name is not None:
config = all_samplers_map.get(name, None)
else:
config = all_samplers[0]
return config
def create_sampler(name, model):
config = find_sampler_config(name)
assert config is not None, f'bad sampler name: {name}'
if model.is_sdxl and config.options.get("no_sdxl", False):
raise Exception(f"Sampler {config.name} is not supported for SDXL")
sampler = config.constructor(model)
sampler.config = config
return sampler
def set_samplers():
global samplers, samplers_for_img2img, samplers_hidden
samplers_hidden = set(shared.opts.hide_samplers)
samplers = all_samplers
samplers_for_img2img = all_samplers
samplers_map.clear()
for sampler in all_samplers:
samplers_map[sampler.name.lower()] = sampler.name
for alias in sampler.aliases:
samplers_map[alias.lower()] = sampler.name
def visible_sampler_names():
return [x.name for x in samplers if x.name not in samplers_hidden]
def visible_samplers():
return [x for x in samplers if x.name not in samplers_hidden]
def get_sampler_from_infotext(d: dict):
return get_sampler_and_scheduler(d.get("Sampler"), d.get("Schedule type"))[0]
def get_scheduler_from_infotext(d: dict):
return get_sampler_and_scheduler(d.get("Sampler"), d.get("Schedule type"))[1]
def get_hr_sampler_and_scheduler(d: dict):
hr_sampler = d.get("Hires sampler", "Use same sampler")
sampler = d.get("Sampler") if hr_sampler == "Use same sampler" else hr_sampler
hr_scheduler = d.get("Hires schedule type", "Use same scheduler")
scheduler = d.get("Schedule type") if hr_scheduler == "Use same scheduler" else hr_scheduler
sampler, scheduler = get_sampler_and_scheduler(sampler, scheduler)
sampler = sampler if sampler != d.get("Sampler") else "Use same sampler"
scheduler = scheduler if scheduler != d.get("Schedule type") else "Use same scheduler"
return sampler, scheduler
def get_hr_sampler_from_infotext(d: dict):
return get_hr_sampler_and_scheduler(d)[0]
def get_hr_scheduler_from_infotext(d: dict):
return get_hr_sampler_and_scheduler(d)[1]
@functools.cache
def get_sampler_and_scheduler(sampler_name, scheduler_name):
default_sampler = samplers[0]
found_scheduler = sd_schedulers.schedulers_map.get(scheduler_name, sd_schedulers.schedulers[0])
name = sampler_name or default_sampler.name
for scheduler in sd_schedulers.schedulers:
name_options = [scheduler.label, scheduler.name, *(scheduler.aliases or [])]
for name_option in name_options:
if name.endswith(" " + name_option):
found_scheduler = scheduler
name = name[0:-(len(name_option) + 1)]
break
sampler = all_samplers_map.get(name, default_sampler)
# revert back to Automatic if it's the default scheduler for the selected sampler
if sampler.options.get('scheduler', None) == found_scheduler.name:
found_scheduler = sd_schedulers.schedulers[0]
return sampler.name, found_scheduler.label
def fix_p_invalid_sampler_and_scheduler(p):
i_sampler_name, i_scheduler = p.sampler_name, p.scheduler
p.sampler_name, p.scheduler = get_sampler_and_scheduler(p.sampler_name, p.scheduler)
if p.sampler_name != i_sampler_name or i_scheduler != p.scheduler:
logging.warning(f'Sampler Scheduler autocorrection: "{i_sampler_name}" -> "{p.sampler_name}", "{i_scheduler}" -> "{p.scheduler}"')
set_samplers()