WebUI/scripts/custom_code.py

91 lines
2.5 KiB
Python

import modules.scripts as scripts
import gradio as gr
import ast
import copy
from modules.processing import Processed
from modules.shared import opts, cmd_opts, state
def convertExpr2Expression(expr):
expr.lineno = 0
expr.col_offset = 0
result = ast.Expression(expr.value, lineno=0, col_offset = 0)
return result
def exec_with_return(code, module):
"""
like exec() but can return values
https://stackoverflow.com/a/52361938/5862977
"""
code_ast = ast.parse(code)
init_ast = copy.deepcopy(code_ast)
init_ast.body = code_ast.body[:-1]
last_ast = copy.deepcopy(code_ast)
last_ast.body = code_ast.body[-1:]
exec(compile(init_ast, "<ast>", "exec"), module.__dict__)
if type(last_ast.body[0]) == ast.Expr:
return eval(compile(convertExpr2Expression(last_ast.body[0]), "<ast>", "eval"), module.__dict__)
else:
exec(compile(last_ast, "<ast>", "exec"), module.__dict__)
class Script(scripts.Script):
def title(self):
return "Custom code"
def show(self, is_img2img):
return cmd_opts.allow_code
def ui(self, is_img2img):
example = """from modules.processing import process_images
p.width = 768
p.height = 768
p.batch_size = 2
p.steps = 10
return process_images(p)
"""
code = gr.Code(value=example, language="python", label="Python code", elem_id=self.elem_id("code"))
indent_level = gr.Number(label='Indent level', value=2, precision=0, elem_id=self.elem_id("indent_level"))
return [code, indent_level]
def run(self, p, code, indent_level):
assert cmd_opts.allow_code, '--allow-code option must be enabled'
display_result_data = [[], -1, ""]
def display(imgs, s=display_result_data[1], i=display_result_data[2]):
display_result_data[0] = imgs
display_result_data[1] = s
display_result_data[2] = i
from types import ModuleType
module = ModuleType("testmodule")
module.__dict__.update(globals())
module.p = p
module.display = display
indent = " " * indent_level
indented = code.replace('\n', f"\n{indent}")
body = f"""def __webuitemp__():
{indent}{indented}
__webuitemp__()"""
result = exec_with_return(body, module)
if isinstance(result, Processed):
return result
return Processed(p, *display_result_data)