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37 lines
960 B
Python
37 lines
960 B
Python
"""路径解析工具 — 统一获取项目数据根目录
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优先级：
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1. BLACKBOARD_ROOT 环境变量
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2. config/default.yaml 的 data_root
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3. 相对于源码目录的 data/
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"""
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from __future__ import annotations
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import os
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from pathlib import Path
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def get_data_root() -> Path:
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"""获取项目数据根目录"""
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# 1. 环境变量最高优先级
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root = os.environ.get("BLACKBOARD_ROOT")
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if root:
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return Path(root)
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# 2. 从 config/default.yaml 读取
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try:
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import yaml
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config_path = Path(__file__).parent.parent / "config" / "default.yaml"
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if config_path.exists():
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with open(config_path) as f:
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cfg = yaml.safe_load(f) or {}
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data_root = cfg.get("data_root")
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if data_root:
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return Path(data_root).expanduser()
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except Exception:
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pass
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# 3. 相对于源码目录的 data/
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return Path(__file__).parent.parent / "data"
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