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Update app.py
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app.py
CHANGED
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@@ -1,57 +1,41 @@
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import os
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import re
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import importlib.util
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from pathlib import Path
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import torch
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import gradio as gr
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from transformers import AutoTokenizer, AutoModelForCausalLM, TextStreamer
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#
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def _load_system_prompt():
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prompt_path = Path(__file__).with_name("text-prompt.py")
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"Не добавляй комментариев. Верни только преобразованный текст."
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)
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try:
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mod = importlib.util.module_from_spec(spec)
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assert spec and spec.loader, "Cannot load spec for text-prompt.py"
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spec.loader.exec_module(mod) # type: ignore[attr-defined]
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return getattr(mod, "SYSTEM_PROMPT", default_prompt)
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except Exception:
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return
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SYSTEM_PROMPT = _load_system_prompt()
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#
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REPLACEMENTS = [
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TERMINAL_HARD_SIGN = re.compile(r"(?i)ъ\b") # remove word-final hard sign
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MULTI_SPACES = re.compile(r"[ \t]{2,}")
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def rule_based_convert(text: str) -> str:
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if not text:
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return ""
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out = text
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for old, new in REPLACEMENTS:
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out = out.replace(old, new)
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out = TERMINAL_HARD_SIGN.sub("", out)
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out = MULTI_SPACES.sub(" ", out)
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return out
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#
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_tokenizer = None
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_model = None
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_streamer = None
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@@ -59,54 +43,42 @@ _MODEL_READY = False
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_MODEL_ERROR = None
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def build_prompt(text: str) -> str:
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return (
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f"{SYSTEM_PROMPT}\n\n"
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f"Текст (дореформ.):\n{text.strip()}\n\n"
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f"Текст (современная орфография):"
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)
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def load_model_cpu():
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"""
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global _tokenizer, _model, _streamer, _MODEL_READY, _MODEL_ERROR
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if _MODEL_READY or _MODEL_ERROR:
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return
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if os.getenv("DISABLE_MODEL", "0") == "1":
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_MODEL_ERROR = "Model disabled via DISABLE_MODEL=1."
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return
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try:
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os.environ["CUDA_VISIBLE_DEVICES"] = ""
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MODEL_ID, use_fast=True, trust_remote_code=True
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)
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_model = AutoModelForCausalLM.from_pretrained(
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MODEL_ID,
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trust_remote_code=True,
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torch_dtype=torch.float32,
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low_cpu_mem_usage=True,
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device_map=None,
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).to("cpu")
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_streamer = TextStreamer(_tokenizer, skip_prompt=True, skip_special_tokens=True)
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_MODEL_READY = True
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except Exception as e:
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_MODEL_ERROR = f"{type(e).__name__}: {e}"
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def convert_with_model(
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text: str,
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max_new_tokens: int,
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temperature: float,
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top_p: float,
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top_k: int,
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repetition_penalty: float,
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do_stream: bool
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) -> str:
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prompt = build_prompt(text)
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inputs = _tokenizer(prompt, return_tensors="pt")
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input_ids = inputs.input_ids.to("cpu")
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gen_kwargs = dict(
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max_new_tokens=int(max_new_tokens),
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temperature=float(temperature),
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repetition_penalty=float(repetition_penalty),
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do_sample=True,
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)
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if do_stream:
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chunks = []
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buf_streamer = _BufStreamer(_tokenizer, skip_prompt=True, skip_special_tokens=True)
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_ = _model.generate(input_ids=input_ids, streamer=buf_streamer, **gen_kwargs)
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out = "".join(chunks)
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else:
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with torch.no_grad():
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out = _tokenizer.decode(
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marker = "Текст (современная орфография):"
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return out.split(marker, 1)[-1].strip() if marker in out else out.strip()
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def convert(text, max_new_tokens, temperature, top_p, top_k, repetition_penalty, do_stream):
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if not text or not text.strip():
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return ""
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load_model_cpu()
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if _MODEL_READY:
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try:
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return convert_with_model(
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text, max_new_tokens, temperature, top_p, top_k, repetition_penalty, do_stream
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)
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except Exception:
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return rule_based_convert(text) + "\n\n[Примечание: использовано правило-базовое преобразование из-за ошибки генерации на CPU.]"
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note += ".]"
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return rule_based_convert(text) + note
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#
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with gr.Blocks(title="Pre-reform → Modern Russian (CPU-only)") as demo:
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gr.Markdown(
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"""
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# Преобразование дореформенной орфографии → современная (CPU-only)
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*Подсказка:* На CPU загрузка большой модели может быть недоступна; в таком случае
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автоматически используется быстрый правило-базовый конвертер (ѣ→е, і→и, ѳ→ф, ѵ→и, удаление конечного ъ).
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"""
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)
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with gr.Row():
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with gr.Column(
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inp = gr.Textbox(
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label="Ввод: дореформенный текст",
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placeholder="Например: \"въ мирѣ сёмъ многа есть...\"",
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lines=10
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)
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with gr.Accordion("Параметры генерации (медленно на CPU)", open=False):
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max_new_tokens = gr.Slider(8, 256, value=128, step=8, label="max_new_tokens")
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temperature = gr.Slider(0.0, 1.2, value=0.2, step=0.05, label="temperature")
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top_k = gr.Slider(0, 100, value=40, step=1, label="top_k")
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repetition_penalty = gr.Slider(1.0, 2.0, value=1.05, step=0.01, label="repetition_penalty")
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do_stream = gr.Checkbox(value=False, label="Стриминг вывода")
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btn = gr.Button("Преобразовать", variant="primary")
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with gr.Column(scale=1):
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out = gr.Textbox(label="Вывод: современная орфография", lines=12)
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[
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["въ мирѣ сёмъ многа есть, чего мудрецу и не снилось."]
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]
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gr.Examples(examples=examples, inputs=[inp])
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def _on_click(text, a, b, c, d, e, f):
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return convert(text, a, b, c, d, e, f)
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btn.click(
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inputs=[inp, max_new_tokens, temperature, top_p, top_k, repetition_penalty, do_stream],
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outputs=[out]
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)
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if __name__ == "__main__":
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import os
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import re
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from pathlib import Path
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import torch
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import gradio as gr
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from transformers import AutoTokenizer, AutoModelForCausalLM, TextStreamer
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from peft import PeftModel # NEW
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MODEL_ID_BASE = "openai/gpt-oss-20b" # base model
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ADAPTER_REPO = "ZennyKenny/oss-20b-prereform-to-modern-ru-merged"
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ADAPTER_SUBFOLDER = "checkpoint-60" # where adapter lives in your repo
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# ---- load SYSTEM_PROMPT from text-prompt.py (same as before) ----
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def _load_system_prompt():
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prompt_path = Path(__file__).with_name("text-prompt.py")
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default = ("Ты компетентный редактор русского языка. "
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"Преобразуй дореформенную русскую орфографию (до 1918 года) "
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"в современную орфографию. Сохраняй смысл, пунктуацию и регистр. "
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"Не добавляй комментариев. Верни только преобразованный текст.")
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try:
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ns = {}
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exec(prompt_path.read_text(encoding="utf-8"), ns) if prompt_path.exists() else None
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return ns.get("SYSTEM_PROMPT", default)
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except Exception:
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return default
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SYSTEM_PROMPT = _load_system_prompt()
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# ---- simple rule-based fallback (unchanged) ----
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REPLACEMENTS = [("Ѣ","Е"),("ѣ","е"),("І","И"),("і","и"),("Ѳ","Ф"),("ѳ","ф"),("Ѵ","И"),("ѵ","и")]
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TERMINAL_HARD_SIGN = re.compile(r"(?i)ъ\b")
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def rule_based_convert(t):
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if not t: return ""
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for a,b in REPLACEMENTS: t = t.replace(a,b)
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return TERMINAL_HARD_SIGN.sub("", t)
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# ---- model state (CPU only) ----
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_tokenizer = None
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_model = None
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_streamer = None
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_MODEL_ERROR = None
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def build_prompt(text: str) -> str:
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return f"{SYSTEM_PROMPT}\n\nТекст (дореформ.):\n{text.strip()}\n\nТекст (современная орфография):"
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def load_model_cpu():
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"""Load base model, then apply LoRA adapter from your repo."""
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global _tokenizer, _model, _streamer, _MODEL_READY, _MODEL_ERROR
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if _MODEL_READY or _MODEL_ERROR:
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return
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if os.getenv("DISABLE_MODEL", "0") == "1":
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_MODEL_ERROR = "Model disabled via DISABLE_MODEL=1."
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return
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try:
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os.environ["CUDA_VISIBLE_DEVICES"] = ""
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_tokenizer = AutoTokenizer.from_pretrained(ADAPTER_REPO, use_fast=True, trust_remote_code=True)
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base = AutoModelForCausalLM.from_pretrained(
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MODEL_ID_BASE,
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trust_remote_code=True,
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torch_dtype=torch.float32,
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low_cpu_mem_usage=True,
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device_map=None,
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).to("cpu")
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# Apply LoRA adapter from your repo/subfolder
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_model = PeftModel.from_pretrained(base, ADAPTER_REPO, subfolder=ADAPTER_SUBFOLDER)
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# (Optional) Merge for faster inference on CPU:
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try:
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_model = _model.merge_and_unload()
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except Exception:
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pass
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_streamer = TextStreamer(_tokenizer, skip_prompt=True, skip_special_tokens=True)
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_MODEL_READY = True
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except Exception as e:
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_MODEL_ERROR = f"{type(e).__name__}: {e}"
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def convert_with_model(text, max_new_tokens, temperature, top_p, top_k, repetition_penalty, do_stream):
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prompt = build_prompt(text)
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inputs = _tokenizer(prompt, return_tensors="pt")
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input_ids = inputs.input_ids.to("cpu")
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gen_kwargs = dict(
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max_new_tokens=int(max_new_tokens),
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temperature=float(temperature),
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repetition_penalty=float(repetition_penalty),
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do_sample=True,
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)
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if do_stream:
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chunks = []
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class _Buf(TextStreamer):
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def on_finalized_text(self, txt, stream_end=False):
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chunks.append(txt)
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buf = _Buf(_tokenizer, skip_prompt=True, skip_special_tokens=True)
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_ = _model.generate(input_ids=input_ids, streamer=buf, **gen_kwargs)
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out = "".join(chunks)
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else:
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with torch.no_grad():
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out_ids = _model.generate(input_ids=input_ids, **gen_kwargs)
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out = _tokenizer.decode(out_ids[0], skip_special_tokens=True)
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marker = "Текст (современная орфография):"
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return out.split(marker, 1)[-1].strip() if marker in out else out.strip()
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def convert(text, max_new_tokens, temperature, top_p, top_k, repetition_penalty, do_stream):
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if not text or not text.strip():
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return ""
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load_model_cpu()
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if _MODEL_READY:
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try:
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return convert_with_model(text, max_new_tokens, temperature, top_p, top_k, repetition_penalty, do_stream)
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except Exception:
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return rule_based_convert(text) + "\n\n[Примечание: использовано правило-базовое преобразование из-за ошибки генерации на CPU.]"
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note = "\n\n[Примечание: используется правило-базовое преобразование"
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if _MODEL_ERROR: note += f" (модель недоступна: {_MODEL_ERROR})"
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note += ".]"
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return rule_based_convert(text) + note
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# ---- Gradio UI (same structure as before) ----
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with gr.Blocks(title="Pre-reform → Modern Russian (CPU-only)") as demo:
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gr.Markdown(
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"""
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# Преобразование дореформенной орфографии → современная (CPU-only)
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Модель: LoRA-адаптер к `openai/gpt-oss-20b` из `ZennyKenny/oss-20b-prereform-to-modern-ru-merged`.
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При недоступности модели используется правило-базовый конвертер (ѣ→е, і→и, ѳ→ф, ѵ→и, удаление конечного ъ).
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"""
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)
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with gr.Row():
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with gr.Column():
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inp = gr.Textbox(label="Ввод: дореформенный текст", lines=10)
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with gr.Accordion("Параметры генерации (медленно на CPU)", open=False):
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max_new_tokens = gr.Slider(8, 256, value=128, step=8, label="max_new_tokens")
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temperature = gr.Slider(0.0, 1.2, value=0.2, step=0.05, label="temperature")
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top_k = gr.Slider(0, 100, value=40, step=1, label="top_k")
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repetition_penalty = gr.Slider(1.0, 2.0, value=1.05, step=0.01, label="repetition_penalty")
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do_stream = gr.Checkbox(value=False, label="Стриминг вывода")
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btn = gr.Button("Преобразовать", variant="primary")
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with gr.Column():
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out = gr.Textbox(label="Вывод: современная орфография", lines=12)
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+
gr.Examples(
|
| 142 |
+
examples=[["въ семъ домѣ обитало три семейства, и каждое имѣло свои обыкновенія."]],
|
| 143 |
+
inputs=[inp],
|
| 144 |
+
)
|
|
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|
| 145 |
btn.click(
|
| 146 |
+
lambda t,a,b,c,d,e,f: convert(t,a,b,c,d,e,f),
|
| 147 |
inputs=[inp, max_new_tokens, temperature, top_p, top_k, repetition_penalty, do_stream],
|
| 148 |
+
outputs=[out],
|
| 149 |
)
|
| 150 |
|
| 151 |
if __name__ == "__main__":
|