Download eval/prompts/classify.py from VirtualLUO/Chronicles-OCR: direct link, hf CLI and curl.
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https://huggingface.co/datasets/VirtualLUO/Chronicles-OCR/resolve/main/eval/prompts/classify.py
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hf download hf://datasets/VirtualLUO/Chronicles-OCR/eval/prompts/classify.py
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curl -L -o classify.py https://huggingface.co/datasets/VirtualLUO/Chronicles-OCR/resolve/main/eval/prompts/classify.py
1.95 kB
| """字体分类(Classification)任务。""" | |
| from __future__ import annotations | |
| from ._text import extract_by_prefix, strip_thinking | |
| VALID_FONT_CATEGORIES = {"甲骨文", "金文", "篆书", "隶书", "楷书", "行书", "草书"} | |
| PROMPT = """你是一名精通中国古文字学与书法史的专家。 | |
| 任务: | |
| 请根据输入的古文字图像,对其中汉字的字体进行分类。 | |
| 分类范围(仅允许从以下七类中选择一个): | |
| 1. 甲骨文 | |
| 2. 金文 | |
| 3. 篆书 | |
| 4. 隶书 | |
| 5. 楷书 | |
| 6. 行书 | |
| 7. 草书 | |
| 要求: | |
| - 仔细观察字形结构、笔画特征、线条风格和整体布局 | |
| - 只能输出一个最可能的类别 | |
| - 不允许输出多个类别或"无法判断"(除非图像极其模糊) | |
| - 不要输出解释(除非额外要求) | |
| 输出格式(必须严格遵守): | |
| 字体分类:<类别名称> | |
| """ | |
| def extract(answer: str) -> tuple[bool, dict[str, str | bool]]: | |
| """三层回退:精确前缀 → 部分匹配("楷书体"→"楷书")→ 整段最后一次命中。""" | |
| text = strip_thinking(answer) | |
| category = extract_by_prefix(text, ["字体分类", "字体", "分类"]) | |
| data: dict[str, str | bool] = {} | |
| if category and category in VALID_FONT_CATEGORIES: | |
| data["category"] = category | |
| return True, data | |
| # 部分匹配 | |
| if category: | |
| for c in VALID_FONT_CATEGORIES: | |
| if c in category: | |
| data["category"] = c | |
| return True, data | |
| # 回退:扫整段答案,取最后一次出现的合法字体名 | |
| if text: | |
| last_pos = -1 | |
| last_hit: str | None = None | |
| for c in VALID_FONT_CATEGORIES: | |
| pos = text.rfind(c) | |
| if pos > last_pos: | |
| last_pos = pos | |
| last_hit = c | |
| if last_hit is not None: | |
| data["category"] = last_hit | |
| data["fallback"] = True | |
| return True, data | |
| return False, data | |