Current File : //opt/hc_python/lib64/python3.8/site-packages/virtualenv/config/env_var.py
from __future__ import annotations
from contextlib import suppress
from .convert import convert
def get_env_var(key, as_type, env):
"""
Get the environment variable option.
:param key: the config key requested
:param as_type: the type we would like to convert it to
:param env: environment variables to use
:return:
"""
environ_key = f"VIRTUALENV_{key.upper()}"
if env.get(environ_key):
value = env[environ_key]
with suppress(Exception): # note the converter already logs a warning when failures happen
source = f"env var {environ_key}"
as_type = convert(value, as_type, source)
return as_type, source
return None
__all__ = [
"get_env_var",
]
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