23 lines
639 B
Python
23 lines
639 B
Python
from collections import namedtuple
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from os import environ
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from tfw.internals.lazy import lazy_property
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class LazyEnvironment:
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def __init__(self, prefix, tuple_name):
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self._prefix = prefix
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self._tuple_name = tuple_name
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@lazy_property
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def environment(self):
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return self.prefixed_envvars_to_namedtuple()
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def prefixed_envvars_to_namedtuple(self):
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envvars = {
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envvar.replace(self._prefix, '', 1): environ.get(envvar)
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for envvar in environ.keys()
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if envvar.startswith(self._prefix)
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}
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return namedtuple(self._tuple_name, envvars)(**envvars)
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