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CYBERLOOM-INC-ComfyUI-nodes…/sample.py
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Python

import re
from itertools import product
from typing import Callable, List, Dict, Any, Union, Iterable
import torch
import model_management # type: ignore
import comfy.samplers
from nodes import common_ksampler
from comfy.sd import ModelPatcher
re_int = re.compile(r"\s*([+-]?\s*\d+)\s*")
re_float = re.compile(r"\s*([+-]?\s*\d+(?:.\d*)?)\s*")
re_range = re.compile(r"\s*([+-]?\s*\d+)\s*-\s*([+-]?\s*\d+)(?:\s*\(([+-]\d+)\s*\))?\s*")
re_range_float = re.compile(r"\s*([+-]?\s*\d+(?:.\d*)?)\s*-\s*([+-]?\s*\d+(?:.\d*)?)(?:\s*\(([+-]\d+(?:.\d*)?)\s*\))?\s*")
def frange(start, end, step):
x = float(start)
end = float(end)
step = float(step)
while x < end:
yield x
x += step
def get_noise(seeds: List[int], latent_image: torch.Tensor, disable_noise: bool):
noises: List[torch.Tensor] = []
latents: List[torch.Tensor] = []
if latent_image.dim() == 3:
latent_image = latent_image.unsqueeze(0) # add batch dim
if disable_noise:
noise_ = torch.zeros([len(seeds)]+list(latent_image.size())[-3:], dtype=latent_image.dtype, layout=latent_image.layout, device="cpu")
noises.append(noise_)
latents.extend([latent_image] * (len(seeds) // latent_image.shape[0]))
else:
for s in seeds:
noise_ = torch.randn(latent_image.size(), dtype=latent_image.dtype, layout=latent_image.layout, generator=torch.manual_seed(s), device="cpu")
noises.append(noise_)
latents.append(latent_image)
return torch.cat(noises), torch.cat(latents)
def get_cfg(noises: torch.Tensor, latent_image: torch.Tensor, cfgs: List[float]):
# batch_size = noises.shape[0] * len(cfgs)
ns = [noises] * len(cfgs)
lat = [latent_image] * len(cfgs)
cf = torch.FloatTensor(cfgs * noises.shape[0])
return torch.cat(ns), torch.cat(lat), cf[...,None,None,None]
def common_ksampler_xyz(
model: Union[ModelPatcher,Iterable[ModelPatcher]],
seed: Union[int,List[int]],
steps: Union[int,List[int]],
cfg: Union[float,List[float]],
sampler_name: Union[str,List[str]],
scheduler: Union[str,List[str]],
positive,
negative,
latent,
denoise=1.0,
disable_noise=False,
start_step=None,
last_step=None,
force_full_denoise=False
):
latent_image = latent["samples"]
noise_mask = None
device = model_management.get_torch_device()
if not isinstance(model, Iterable):
model = (model,)
if not isinstance(seed, list):
seed = [seed]
if not isinstance(steps, list):
steps = [steps]
if not isinstance(cfg, list):
cfg = [cfg]
if not isinstance(sampler_name, list):
sampler_name = [sampler_name]
if not isinstance(scheduler, list):
scheduler = [scheduler]
noise, latent_image = get_noise(seed, latent_image, disable_noise)
noise, latent_image, cfg_ = get_cfg(noise, latent_image, cfg)
if "noise_mask" in latent:
noise_mask = latent['noise_mask']
noise_mask = torch.nn.functional.interpolate(noise_mask[None,None,], size=(noise.shape[2], noise.shape[3]), mode="bilinear")
noise_mask = noise_mask.round()
noise_mask = torch.cat([noise_mask] * noise.shape[1], dim=1)
noise_mask = torch.cat([noise_mask] * noise.shape[0])
noise_mask = noise_mask.to(device)
noise = noise.to(device)
latent_image = latent_image.to(device)
cfg_ = cfg_.to(device)
positive_copy = []
negative_copy = []
control_nets = []
for p in positive:
t = p[0]
if t.shape[0] < noise.shape[0]:
t = torch.cat([t] * noise.shape[0])
t = t.to(device)
if 'control' in p[1]:
control_nets += [p[1]['control']]
positive_copy += [[t] + p[1:]]
for n in negative:
t = n[0]
if t.shape[0] < noise.shape[0]:
t = torch.cat([t] * noise.shape[0])
t = t.to(device)
if 'control' in n[1]:
control_nets += [n[1]['control']]
negative_copy += [[t] + n[1:]]
control_net_models = []
for x in control_nets:
control_net_models += x.get_control_models()
model_management.load_controlnet_gpu(control_net_models)
#samplers: List[comfy.samplers.KSampler] = []
samplers: List[Dict[str,Any]] = []
for model_, sampler_name_, scheduler_, steps_ in product(model, sampler_name, scheduler, steps):
if sampler_name_ not in comfy.samplers.KSampler.SAMPLERS:
raise ValueError(f'unknown sampler name: {sampler_name_}')
if scheduler_ not in comfy.samplers.KSampler.SCHEDULERS:
raise ValueError(f'unknown scheduler name: {scheduler_}')
samplers.append(dict(
model=model_,
steps=steps_,
device=device,
sampler=sampler_name_,
scheduler=scheduler_,
denoise=denoise,
))
all_samples: List[torch.Tensor] = []
for sampler_args in samplers:
model_ = sampler_args['model']
model_management.load_model_gpu(model_)
sampler_args['model'] = model_.model
sampler = comfy.samplers.KSampler(**sampler_args)
print(f'XYZ sampler={sampler.sampler}/{sampler.scheduler} {sampler.steps}steps')
samples = sampler.sample(noise, positive_copy, negative_copy, cfg=cfg_, latent_image=latent_image, start_step=start_step, last_step=last_step, force_full_denoise=force_full_denoise, denoise_mask=noise_mask)
samples = samples.cpu()
all_samples.append(samples)
for c in control_nets:
c.cleanup()
out = latent.copy()
out["samples"] = torch.cat(all_samples)
return (out, )
class KSamplerSetting:
@classmethod
def INPUT_TYPES(cls):
return {
'required': {
'model': ('MODEL',),
'seed': ('INT', {'default': 0, 'min': 0, 'max': 0xffffffffffffffff}),
'steps': ('INT', {'default': 20, 'min': 1, 'max': 10000}),
'cfg': ('FLOAT', {'default': 8.0, 'min': 0.0, 'max': 100.0}),
'sampler_name': (comfy.samplers.KSampler.SAMPLERS, ),
'scheduler': (comfy.samplers.KSampler.SCHEDULERS, ),
'positive': ('CONDITIONING', ),
'negative': ('CONDITIONING', ),
'latent_image': ('LATENT', ),
'denoise': ('FLOAT', {'default': 1.0, 'min': 0.0, 'max': 1.0, 'step': 0.01}),
}
}
RETURN_TYPES = ('DICT',)
FUNCTION = 'sample'
CATEGORY = 'sampling'
def sample(self, **kwargs):
return kwargs,
class KSamplerOverrided:
@classmethod
def INPUT_TYPES(cls):
return {
'required': {
'setting': ('DICT',),
},
'optional': {
'model': ('MODEL',),
'seed': ('Integer', {'default': 0, 'min': 0, 'max': 0xffffffffffffffff}),
'steps': ('Integer', {'default': 20, 'min': 1, 'max': 10000}),
'cfg': ('Float', {'default': 8.0, 'min': 0.0, 'max': 100.0}),
'sampler_name': ('SamplerName',),
'scheduler': ('SchedulerName', ),
'positive': ('CONDITIONING', ),
'negative': ('CONDITIONING', ),
'latent_image': ('LATENT', ),
'denoise': ('Float', {'default': 1.0, 'min': 0.0, 'max': 1.0, 'step': 0.01}),
}
}
RETURN_TYPES = ('LATENT',)
FUNCTION = 'sample'
CATEGORY = 'sampling'
def sample(self, setting: dict, **kwargs):
if 'latent_image' in setting:
setting['latent'] = setting['latent_image']
del setting['latent_image']
setting.update(kwargs)
return common_ksampler(**setting)
class KSamplerXYZ:
@classmethod
def INPUT_TYPES(cls):
return {
'required': {
'setting': ('DICT',),
},
'optional': {
'model': ('MODEL',),
'seed': ('STRING', { 'multiline': True, 'default': '' }),
'steps': ('STRING', { 'multiline': True, 'default': '' }),
'cfg': ('STRING', { 'multiline': True, 'default': '' }),
'sampler_name': ('STRING', { 'multiline': True, 'default': '' }),
'scheduler': ('STRING', { 'multiline': True, 'default': '' }),
}
}
RETURN_TYPES = ('LATENT',)
FUNCTION = 'sample'
CATEGORY = 'sampling'
def sample(self, setting: dict, **kwargs):
if 'latent_image' in setting:
setting['latent'] = setting['latent_image']
del setting['latent_image']
setting = { **setting, **kwargs }
if isinstance(setting.get('seed', None), str):
setting['seed'] = self.parse(setting['seed'], self.parse_int)
if isinstance(setting.get('steps', None), str):
setting['steps'] = self.parse(setting['steps'], self.parse_int)
if isinstance(setting.get('cfg', None), str):
setting['cfg'] = self.parse(setting['cfg'], self.parse_float)
if isinstance(setting.get('sampler_name', None), str):
setting['sampler_name'] = self.parse(setting['sampler_name'], None)
if len(setting['sampler_name']) == 1:
setting['sampler_name'] = setting['sampler_name'][0]
if isinstance(setting.get('scheduler', None), str):
setting['scheduler'] = self.parse(setting['scheduler'], None)
if len(setting['scheduler']) == 1:
setting['scheduler'] = setting['scheduler'][0]
for k, v in setting.items():
if k in kwargs and isinstance(v, (list, tuple)):
print(f'XYZ {k}: {v}')
return common_ksampler_xyz(**setting)
def parse(self, input: str, cont: Union[Callable[[str],Any],None]):
vs = [ x.strip() for x in input.split(',') ]
if cont is not None:
vs = [cont(v) for v in vs ]
return vs
def parse_int(self, input: str):
m = re_int.fullmatch(input)
if m is not None:
return int(m.group(1))
m = re_range.fullmatch(input)
if m is None:
raise ValueError(f'failed to process: {input}')
start, end, step = m.group(1), m.group(2), m.group(3)
if step is None:
step = 1
return list(range(int(start), int(end), int(step)))
def parse_float(self, input: str):
m = re_float.fullmatch(input)
if m is not None:
return float(m.group(1))
m = re_range_float.fullmatch(input)
if m is None:
raise ValueError(f'failed to process: {input}')
start, end, step = m.group(1), m.group(2), m.group(3)
if step is None:
step = 1.0
return list(frange(float(start), float(end), float(step)))