Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/local/lib/python2.7/dist-packages/virtualenv/config/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

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",)