baseimage-tutorial-framework/lib/envvars/__init__.py
2018-06-04 22:16:44 +02:00

26 lines
746 B
Python

# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
# All Rights Reserved. See LICENSE file for details.
from collections import namedtuple
from os import environ
from tfw.decorators import lazy_property
class LazyEnvironment:
def __init__(self, prefix, tuple_name):
self._prefix = prefix
self._tuple_name = tuple_name
@lazy_property
def environment(self):
return self.prefixed_envvars_to_namedtuple()
def prefixed_envvars_to_namedtuple(self):
envvars = {
envvar.replace(self._prefix, '', 1): environ.get(envvar)
for envvar in environ.keys()
if envvar.startswith(self._prefix)
}
return namedtuple(self._tuple_name, envvars)(**envvars)