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from collections import namedtuple
import re
import gradio as gr
re_param = re.compile(r"\s*([\w ]+):\s*([^,]+)(?:,|$)")
re_imagesize = re.compile(r"^(\d+)x(\d+)$")
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")
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 += line
else:
prompt += 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, d, input_comp, js=None):
items = []
outputs = []
def paste_func(prompt):
params = parse_generation_parameters(prompt)
res = []
for key, output in zip(items, outputs):
v = params.get(key, None)
if v is None:
res.append(gr.update())
else:
try:
valtype = type(output.value)
val = valtype(v)
res.append(gr.update(value=val))
except Exception:
res.append(gr.update())
return res
for k, v in d.items():
items.append(k)
outputs.append(v)
button.click(
fn=paste_func,
_js=js,
inputs=[input_comp],
outputs=outputs,
)
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