66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
"""
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MT5 路径占位符解析（不做任何自动探测）。
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支持占位符:
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{PROJECT_ROOT} 项目根目录绝对路径
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{APP_DATA_DIR} %APPDATA% (C:\\Users\\<user>\\AppData\\Roaming)
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${APPDATA} 同上 (POSIX 风格)
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${USERPROFILE} C:\\Users\\<user>
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留空的路径会原样返回，由调用方/用户决定。
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"""
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import os
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from typing import Optional
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PROJECT_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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def _expand_placeholders(value: str, project_root: str) -> str:
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if not value:
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return value
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expanded = (
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value
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.replace("{PROJECT_ROOT}", project_root)
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.replace("{APP_DATA_DIR}", os.environ.get("APPDATA", ""))
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.replace("${APPDATA}", os.environ.get("APPDATA", ""))
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.replace("${USERPROFILE}", os.environ.get("USERPROFILE", ""))
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)
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if "{" in expanded and "}" in expanded:
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return expanded
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return os.path.normpath(expanded)
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def resolve_mt5_settings(mt5_settings: dict, project_root: Optional[str] = None) -> dict:
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"""只做 {PROJECT_ROOT} 等占位符替换；空值原样保留，不做任何自动探测。"""
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if project_root is None:
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project_root = PROJECT_ROOT
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resolved = dict(mt5_settings)
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for key, default_sub in (("ini_dir", os.path.join("config", "generated")),
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("reports_dir", "reports")):
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v = resolved.get(key, "")
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if not v:
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resolved[key] = os.path.join(project_root, default_sub)
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else:
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expanded = _expand_placeholders(v, project_root)
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if expanded and (os.path.isabs(expanded) or "{" not in expanded):
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resolved[key] = expanded
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else:
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resolved[key] = os.path.join(project_root, expanded)
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return resolved
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if __name__ == "__main__":
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import pprint
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sample = {
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"terminal_path": "",
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"data_dir": "",
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"ini_dir": "{PROJECT_ROOT}/config/generated",
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"reports_dir": "{PROJECT_ROOT}/reports",
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}
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pprint.pp(resolve_mt5_settings(sample))
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