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15 changes: 15 additions & 0 deletions cortexutils/worker.py
Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,21 @@ def get_param(self, name, default=None, message=None):

return self.__get_param(self._input, name, default, message)

def get_env(self, key, default=None, message=None):
"""Wrapper for getting configuration values from the environment.
:param key: Key of the environment variable to get.
:param default: Default value, if not found. Default: None
:param message: Error message. If given and key not found, exit with error.
Default: None
"""

if key in os.environ:
return os.environ[key]
else:
if message is not None:
self.error(message)
return default

def error(self, message, ensure_ascii=False):
"""Stop analyzer with an error message.

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