Function run_command

src/dotenv/cli.py:204–236

Replace the current process with the specified command. Replaces the current process with the specified command and the variables from `env` added in the current environment variables. Parameters ---------- command: List[str] The command and it's parameters env: Dic

(command: List[str], env: Dict[str, str])

def run_command(command: List[str], env: Dict[str, str]) -> None:
    """Replace the current process with the specified command.

    Replaces the current process with the specified command and the variables from `env`
    added in the current environment variables.

    Parameters
    ----------
    command: List[str]
        The command and it's parameters
    env: Dict
        The additional environment variables

    Returns
    -------
    None
        This function does not return any value. It replaces the current process with the new one.

    """
    # copy the current environment variables and add the vales from
    # `env`
    cmd_env = os.environ.copy()
    cmd_env.update(env)

    if sys.platform == "win32":
        # execvpe on Windows returns control immediately
        # rather than once the command has finished.
        p = Popen(command, universal_newlines=True, bufsize=0, shell=False, env=cmd_env)
        _, _ = p.communicate()

        sys.exit(p.returncode)
    else:
        os.execvpe(command[0], args=command, env=cmd_env)