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from modules import scripts
from json import dumps
import re
from scripts.couple_mapping import (
empty_tensor,
basic_mapping,
advanced_mapping,
mask_mapping,
)
from scripts.couple_ui import couple_UI
from scripts.ui_funcs import validate_mapping, parse_mapping
from scripts.attention_couple import AttentionCouple
forgeAttentionCouple = AttentionCouple()
VERSION = "1.6.2"
from scripts.gr_version import js, is_gradio_4
class ForgeCouple(scripts.Script):
def __init__(self):
self.couples: list = None
def title(self):
return "Forge Couple"
def show(self, is_img2img):
return scripts.AlwaysVisible
def ui(self, is_img2img):
return couple_UI(self, is_img2img, f"{self.title()} v{VERSION}")
def after_component(self, component, **kwargs):
if is_gradio_4:
return
if kwargs.get("elem_id") in (
"img2img_image",
"img2img_sketch",
"inpaint_sketch",
"img_inpaint_base",
):
component.change(
None, component, None, **js("(img) => { ForgeCouple.preview(img); }")
)
def parse_networks(self, prompt: str) -> str:
"""LoRAs are already parsed"""
pattern = re.compile(r"<.*?>")
cleaned = re.sub(pattern, "", prompt)
return cleaned
def after_extra_networks_activate(
self,
p,
enable: bool,
mode: str,
separator: str,
direction: str,
background: str,
background_weight: float,
mapping: list,
*args,
**kwargs,
):
if not enable:
return
separator = "\n" if not separator.strip() else separator.strip()
couples = []
chunks = kwargs["prompts"][0].split(separator)
for chunk in chunks:
prompt = self.parse_networks(chunk).strip()
if not prompt.strip():
# Skip Empty Lines
continue
couples.append(prompt)
match mode:
case "Basic":
if len(couples) < (3 if background != "None" else 2):
print(
f"\n\n[Couple] Not Enough Lines in Prompt...\nCurrent: {len(couples)} / Required: {3 if background != 'None' else 2}\n\n"
)
case "Mask":
if not mapping or len(mapping) != len(couples) - int(
background in ("First Line", "Last Line")
):
print(
f"\n\n[Couple] Number of Couples and Masks is not the same...\nCurrent: {len(couples)} / Required: {len(mapping) + int(background in ('First Line', 'Last Line'))}\n\n"
)
self.couples = None
return
case "Advanced":
if not validate_mapping(mapping):
self.couples = None
return
if not mapping or (len(parse_mapping(mapping)) != len(couples)):
print(
f"\n\n[Couple] Number of Couples and Mapping is not the same...\nCurrent: {len(couples)} / Required: {len(parse_mapping(mapping))}\n\n"
)
self.couples = None
return
# ===== Infotext =====
p.extra_generation_params["forge_couple"] = True
p.extra_generation_params["forge_couple_separator"] = (
"\n" if not separator.strip() else separator.strip()
)
p.extra_generation_params["forge_couple_mode"] = mode
if mode == "Basic":
p.extra_generation_params["forge_couple_direction"] = direction
p.extra_generation_params["forge_couple_background"] = background
p.extra_generation_params["forge_couple_background_weight"] = (
background_weight
)
elif mode == "Advanced":
p.extra_generation_params["forge_couple_mapping"] = dumps(mapping)
# ===== Infotext =====
self.couples = couples
def process_before_every_sampling(
self,
p,
enable: bool,
mode: str,
separator: str,
direction: str,
background: str,
background_weight: float,
mapping: list,
*args,
**kwargs,
):
if not enable or not self.couples:
return
# ===== Init =====
unet = p.sd_model.forge_objects.unet
WIDTH: int = p.width
HEIGHT: int = p.height
IS_HORIZONTAL: bool = direction == "Horizontal"
LINE_COUNT: int = len(self.couples)
if mode in ("Basic", "Mask"):
BG_WEIGHT: float = (
0.0
if (background not in ("First Line", "Last Line"))
else max(0.1, background_weight)
)
if mode == "Basic":
TILE_COUNT: int = LINE_COUNT - int(
background in ("First Line", "Last Line")
)
TILE_WEIGHT: float = (
1.25 if (background not in ("First Line", "Last Line")) else 1.0
)
TILE_SIZE: int = (
(WIDTH if IS_HORIZONTAL else HEIGHT) - 1
) // TILE_COUNT + 1
# ===== Init =====
# ===== Tiles =====
match mode:
case "Basic":
ARGs = basic_mapping(
p.sd_model,
self.couples,
WIDTH,
HEIGHT,
LINE_COUNT,
IS_HORIZONTAL,
background,
TILE_SIZE,
TILE_WEIGHT,
BG_WEIGHT,
)
case "Mask":
ARGs = mask_mapping(
p.sd_model,
self.couples,
WIDTH,
HEIGHT,
LINE_COUNT,
mapping,
background,
BG_WEIGHT,
)
case "Advanced":
ARGs = advanced_mapping(
p.sd_model, self.couples, WIDTH, HEIGHT, mapping
)
# ===== Tiles =====
assert len(ARGs.keys()) // 2 == LINE_COUNT
base_mask = empty_tensor(HEIGHT, WIDTH)
patched_unet = forgeAttentionCouple.patch_unet(unet, base_mask, ARGs)
p.sd_model.forge_objects.unet = patched_unet
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