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import re | |
import gradio as gr | |
re_param_code = r"\s*([\w ]+):\s*([^,]+)(?:,|$)" | |
re_param = re.compile(re_param_code) | |
re_params = re.compile(r"^(?:" + re_param_code + "){3,}$") | |
re_imagesize = re.compile(r"^(\d+)x(\d+)$") | |
type_of_gr_update = type(gr.update()) | |
def parse_generation_parameters(x: str): | |
"""parses generation parameters string, the one you see in text field under the picture in UI: | |
``` | |
girl with an artist's beret, determined, blue eyes, desert scene, computer monitors, heavy makeup, by Alphonse Mucha and Charlie Bowater, ((eyeshadow)), (coquettish), detailed, intricate | |
Negative prompt: ugly, fat, obese, chubby, (((deformed))), [blurry], bad anatomy, disfigured, poorly drawn face, mutation, mutated, (extra_limb), (ugly), (poorly drawn hands), messy drawing | |
Steps: 20, Sampler: Euler a, CFG scale: 7, Seed: 965400086, Size: 512x512, Model hash: 45dee52b | |
``` | |
returns a dict with field values | |
""" | |
res = {} | |
prompt = "" | |
negative_prompt = "" | |
done_with_prompt = False | |
*lines, lastline = x.strip().split("\n") | |
if not re_params.match(lastline): | |
lines.append(lastline) | |
lastline = '' | |
for i, line in enumerate(lines): | |
line = line.strip() | |
if line.startswith("Negative prompt:"): | |
done_with_prompt = True | |
line = line[16:].strip() | |
if done_with_prompt: | |
negative_prompt += ("" if negative_prompt == "" else "\n") + line | |
else: | |
prompt += ("" if prompt == "" else "\n") + line | |
if len(prompt) > 0: | |
res["Prompt"] = prompt | |
if len(negative_prompt) > 0: | |
res["Negative prompt"] = negative_prompt | |
for k, v in re_param.findall(lastline): | |
m = re_imagesize.match(v) | |
if m is not None: | |
res[k+"-1"] = m.group(1) | |
res[k+"-2"] = m.group(2) | |
else: | |
res[k] = v | |
return res | |
def connect_paste(button, paste_fields, input_comp, js=None): | |
def paste_func(prompt): | |
params = parse_generation_parameters(prompt) | |
res = [] | |
for output, key in paste_fields: | |
if callable(key): | |
v = key(params) | |
else: | |
v = params.get(key, None) | |
if v is None: | |
res.append(gr.update()) | |
elif isinstance(v, type_of_gr_update): | |
res.append(v) | |
else: | |
try: | |
valtype = type(output.value) | |
val = valtype(v) | |
res.append(gr.update(value=val)) | |
except Exception: | |
res.append(gr.update()) | |
return res | |
button.click( | |
fn=paste_func, | |
_js=js, | |
inputs=[input_comp], | |
outputs=[x[0] for x in paste_fields], | |
) | |