77 lines
2 KiB
Python
77 lines
2 KiB
Python
import os
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import configparser
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from typing import Optional, Self
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class ConfigException(Exception):
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pass
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class ConfigSectionException(ConfigException):
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def __init__(self, section: str):
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self.section = section
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def __str__(self):
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return "Missing configuration section '%s'" % (
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self.section
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)
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class ConfigOptionException(ConfigException):
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def __init__(self, section: str, value: str):
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self.section = section
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self.value = value
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def __str__(self):
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return "Missing configuration value '%s' in section '%s'" % (
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self.value, self.section
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)
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class ConfigFileException(ConfigException):
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def __init__(self, paths: list):
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self.paths = paths
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def __str__(self):
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return "Unable to locate configuration file in: %s" % (
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", ".join(self.paths)
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)
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class Config(configparser.ConfigParser):
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SEARCH_PATHS = [
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'./xmet.conf',
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os.environ['HOME'] + '/.xmet.conf',
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'/usr/local/etc/xmet/xmet.conf',
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'/etc/xmet/xmet.conf'
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]
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@staticmethod
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def find() -> str:
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for path in Config.SEARCH_PATHS:
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if os.path.exists(path):
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return path
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@staticmethod
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def load(path: Optional[str]=None) -> Self:
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if path is None:
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path = Config.find()
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if path is None:
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raise ConfigFileException(Config.SEARCH_PATHS)
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config = Config()
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config.read(path)
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return config
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def section(self, section: str):
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if not self.has_section(section):
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raise ConfigSectionException(section)
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return self[section]
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def get(self, section: str, option: str, *args, **kwargs):
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if not self.has_section(section):
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raise ConfigSectionException(section)
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if not self.has_option(section, option):
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raise ConfigOptionException(section, option)
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return super().get(section, option, *args, **kwargs)
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