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python37
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python3.7
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virtualenv
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config
env_var.py
from __future__ import absolute_import, unicode_literals from virtualenv.util.six import ensure_str, ensure_text 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 = ensure_str("VIRTUALENV_{}".format(key.upper())) if env.get(environ_key): value = env[environ_key] # noinspection PyBroadException try: source = "env var {}".format(ensure_text(environ_key)) as_type = convert(value, as_type, source) return as_type, source except Exception: # note the converter already logs a warning when failures happen pass __all__ = ("get_env_var",)
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