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import os
import sys
import traceback
import modules.ui as ui
import gradio as gr
from modules.processing import StableDiffusionProcessing
class Script:
filename = None
args_from = None
args_to = None
def title(self):
raise NotImplementedError()
def ui(self, is_img2img):
pass
def run(self, *args):
raise NotImplementedError()
def describe(self):
return ""
scripts = []
def load_scripts(basedir):
for filename in os.listdir(basedir):
path = os.path.join(basedir, filename)
if not os.path.isfile(path):
continue
with open(path, "r", encoding="utf8") as file:
text = file.read()
from types import ModuleType
compiled = compile(text, path, 'exec')
module = ModuleType(filename)
exec(compiled, module.__dict__)
for key, script_class in module.__dict__.items():
if type(script_class) == type and issubclass(script_class, Script):
obj = script_class()
obj.filename = path
scripts.append(obj)
def wrap_call(func, filename, funcname, *args, default=None, **kwargs):
try:
res = func(*args, **kwargs)
return res
except Exception:
print(f"Error calling: {filename}/{funcname}", file=sys.stderr)
print(traceback.format_exc(), file=sys.stderr)
return default
def setup_ui(is_img2img):
titles = [wrap_call(script.title, script.filename, "title") or f"{script.filename} [error]" for script in scripts]
dropdown = gr.Dropdown(label="Script", choices=["None"] + titles, value="None", type="index")
inputs = [dropdown]
for script in scripts:
script.args_from = len(inputs)
controls = script.ui(is_img2img)
for control in controls:
control.visible = False
inputs += controls
script.args_to = len(inputs)
def select_script(index):
if index > 0:
script = scripts[index-1]
args_from = script.args_from
args_to = script.args_to
else:
args_from = 0
args_to = 0
return [ui.gr_show(True if i == 0 else args_from <= i < args_to) for i in range(len(inputs))]
dropdown.change(
fn=select_script,
inputs=[dropdown],
outputs=inputs
)
return inputs
def run(p: StableDiffusionProcessing, *args):
script_index = args[0] - 1
if script_index < 0 or script_index >= len(scripts):
return None
script = scripts[script_index]
script_args = args[script.args_from:script.args_to]
processed = script.run(p, *script_args)
return processed
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