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