| """A singleton class for accessing global config values |
| |
| provides access to global configuration file |
| """ |
| |
| __author__ = '[email protected] (Travis Miller)' |
| |
| import os |
| import sys |
| import ConfigParser |
| import error |
| |
| class ConfigError(error.AutotestError): |
| pass |
| |
| |
| class global_config(object): |
| |
| config = None |
| |
| def get_config_value(self, section, key, default=None): |
| if self.config == None: |
| self.parse_config_file() |
| |
| try: |
| return self.config.get(section, key) |
| except: |
| if default == None: |
| raise ConfigError("config value not found") |
| else: |
| return default |
| |
| |
| def parse_config_file(self): |
| dirname = os.path.dirname(sys.modules[__name__].__file__) |
| root = os.path.abspath(os.path.join(dirname, "../../")) |
| config_file = os.path.join(root, "global_config.ini") |
| self.config = ConfigParser.ConfigParser() |
| self.config.read(config_file) |
| |
| |
| |
| # insure the class is a singleton. Now the symbol global_config |
| # will point to the one and only one instace of the class |
| global_config = global_config() |
