File size: 6,490 Bytes
3dabe4a
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
from modules import scripts
from json import dumps
import re

from lib_couple.mapping import (
    empty_tensor,
    basic_mapping,
    advanced_mapping,
    mask_mapping,
)

from lib_couple.ui import couple_UI
from lib_couple.ui_funcs import validate_mapping

from lib_couple.attention_couple import AttentionCouple
forgeAttentionCouple = AttentionCouple()

VERSION = "2.0.3"

from lib_couple.gr_version import js


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 not (elem_id := kwargs.get("elem_id", None)):
            return

        if elem_id in ("txt2img_width", "txt2img_height"):
            component.change(None, **js('() => { ForgeCouple.preview("t2i"); }'))

        elif elem_id in ("img2img_width", "img2img_height"):
            component.change(None, **js('() => { ForgeCouple.preview("i2i"); }'))

    @staticmethod
    def strip_networks(prompt: str) -> str:
        """LoRAs are already parsed thus no longer needed"""
        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.strip_networks(chunk).strip()

            if not prompt.strip():
                # Skip Empty Lines
                continue

            couples.append(prompt)

        match mode:
            case "Basic":
                if len(couples) < (3 - int(background == "None")):
                    print("\n[Couple] Not Enough Lines in Prompt...")
                    print(f"\t[{len(couples)} / {3 - int(background == 'None')}]\n")
                    self.couples = None
                    return

            case "Mask":
                if not mapping:
                    print("\n[Couple] No Mapping...?\n")
                    self.couples = None
                    return

                if len(couples) != len(mapping) + int(background != "None"):
                    print(
                        f"""\n[Couple] Number of Couples and Masks is not the same...
                        \t[{len(couples)} / {len(mapping) + int( background != 'None')}]\n"""
                    )
                    self.couples = None
                    return

            case "Advanced":
                if not mapping:
                    print("\n[Couple] No Mapping...?\n")
                    self.couples = None
                    return

                if not validate_mapping(mapping):
                    self.couples = None
                    return

                if len(couples) != len(mapping):
                    print("\n[Couple] Number of Couples and Mapping is not the same...")
                    print(f"[{len(couples)} / {len(mapping)}]\n")
                    self.couples = None
                    return

        # ===== Infotext =====
        p.extra_generation_params["forge_couple"] = True
        p.extra_generation_params["forge_couple_separator"] = separator
        p.extra_generation_params["forge_couple_mode"] = mode

        if mode == "Basic":
            p.extra_generation_params.update(
                {
                    "forge_couple_direction": direction,
                    "forge_couple_background": background,
                    "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"
        NO_BACKGROUND: bool = background == "None"

        LINE_COUNT: int = len(self.couples)

        if mode != "Advanced":
            BG_WEIGHT: float = 0.0 if NO_BACKGROUND else max(0.1, background_weight)

        if mode == "Basic":
            TILE_COUNT: int = LINE_COUNT - int(not NO_BACKGROUND)
            TILE_WEIGHT: float = 1.25 if NO_BACKGROUND 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