You've already forked HeurAMS-Classic
74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
"""
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全局上下文管理模块
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以及基准路径
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"""
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import pathlib
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from contextvars import ContextVar
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import shutil
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from heurams.services.config import ConfigFile
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from heurams.services.logger import get_logger
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# 默认配置文件路径规定: 以包目录为准
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# 用户配置文件路径规定: 以运行目录为准
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# 数据文件路径规定: 以运行目录为准
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rootdir = pathlib.Path(__file__).parent
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print(f"项目根目录: {rootdir}")
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logger = get_logger(__name__)
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logger.debug(f"项目根目录: {rootdir}")
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workdir = pathlib.Path.cwd()
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print(f"工作目录: {workdir}")
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logger.debug(f"工作目录: {workdir}")
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if pathlib.Path(workdir / "data" / "config" / "config_dev.toml").exists():
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print("使用开发设置")
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logger.debug("使用开发设置")
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config_var: ContextVar[ConfigFile] = ContextVar(
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"config_var",
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default=ConfigFile(workdir / "data" / "config" / "config_dev.toml"),
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)
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else:
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try:
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config_var: ContextVar[ConfigFile] = ContextVar(
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"config_var",
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default=ConfigFile(workdir / "data" / "config" / "config.toml"),
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) # 配置文件
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except Exception as e:
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input("按下回车以创建新的配置文件, 或按下 Ctrl + C 以终止程序 ")
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(workdir / "data" / "config").mkdir(parents=True, exist_ok=True)
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(workdir / "data" / "config" / "config").unlink(missing_ok=True)
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shutil.copy(
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(rootdir / "default" / "config" / "config.toml"),
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workdir / "data" / "config" / "config.toml",
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)
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finally:
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config_var: ContextVar[ConfigFile] = ContextVar(
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"config_var",
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default=ConfigFile(workdir / "data" / "config" / "config.toml"),
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) # 配置文件
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class ConfigContext:
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"""
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功能完备的上下文管理器
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用于临时切换配置的作用域, 支持嵌套使用
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Example:
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>>> with ConfigContext(test_config):
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... get_daystamp() # 使用 test_config
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>>> get_daystamp() # 恢复原配置
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"""
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def __init__(self, config_provider: ConfigFile):
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self.config_provider = config_provider
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self._token = None
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def __enter__(self):
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self._token = config_var.set(self.config_provider)
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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config_var.reset(self._token) # type: ignore
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