Files
blepping-comfyui_jankhidiff…/py/utils.py
T
blepping aad095ab14 Refactor to avoid having to monkeypatch forward_timestep_embed
Other cleanups

Allow setting a downscale factor and mode for CA downsampling

Add more type annotations

Make it so MSW-MSA attention failing is a warning rather than hard error

Adjust a few Ruff lint settings
2024-08-10 06:27:59 -06:00

95 lines
2.7 KiB
Python

from __future__ import annotations
import importlib
import torch.nn.functional as torchf
from comfy.utils import bislerp
UPSCALE_METHODS = ("bicubic", "bislerp", "bilinear", "nearest-exact", "nearest", "area")
def parse_blocks(name: str, s: str) -> set:
vals = (rawval.strip() for rawval in s.split(","))
return {(name, int(val.strip())) for val in vals if val}
def convert_time(
ms: object,
time_mode: str,
start_time: float,
end_time: float,
) -> tuple:
if time_mode == "sigma":
return (start_time, end_time)
if time_mode in {"percent", "timestep"}:
if time_mode == "timestep":
start_time = 1.0 - (start_time / 999.0)
end_time = 1.0 - (end_time / 999.0)
else:
if start_time > 1.0 or start_time < 0.0:
raise ValueError(
"invalid value for start percent",
)
if end_time > 1.0 or end_time < 0.0:
raise ValueError(
"invalid value for end percent",
)
return (ms.percent_to_sigma(start_time), ms.percent_to_sigma(end_time))
raise ValueError("invalid time mode")
def get_sigma(options: dict, key: str = "sigmas") -> None | float:
if not isinstance(options, dict):
return None
sigmas = options.get(key)
if sigmas is None:
return None
if isinstance(sigmas, float):
return sigmas
return sigmas.detach().cpu().max().item()
def check_time(time_arg: dict | float, start_sigma: float, end_sigma: float) -> bool:
sigma = get_sigma(time_arg) if not isinstance(time_arg, float) else time_arg
if sigma is None:
return False
return sigma <= start_sigma and sigma >= end_sigma
try:
bleh = importlib.import_module("custom_nodes.ComfyUI-bleh")
bleh_latentutils = getattr(bleh.py, "latent_utils", None)
if bleh_latentutils is None:
raise ImportError # noqa: TRY301
bleh_version = getattr(bleh, "BLEH_VERSION", -1)
if bleh_version < 0:
def scale_samples(*args: list, sigma=None, **kwargs: dict): # noqa: ARG001
return bleh_latentutils.scale_samples(*args, **kwargs)
else:
scale_samples = bleh_latentutils.scale_samples
UPSCALE_METHODS = bleh_latentutils.UPSCALE_METHODS
except (ImportError, NotImplementedError):
def scale_samples(
samples,
width,
height,
mode="bicubic",
sigma=None, # noqa: ARG001
):
if mode == "bislerp":
return bislerp(samples, width, height)
return torchf.interpolate(samples, size=(height, width), mode=mode)
__all__ = (
"UPSCALE_METHODS",
"check_time",
"convert_time",
"get_sigma",
"parse_blocks",
"scale_samples",
)