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ZY nX e ZdS )a� Utilities to get a password and/or the current user name.
getpass(prompt[, stream]) - Prompt for a password, with echo turned off.
getuser() - Get the user name from the environment or password database.
GetPassWarning - This UserWarning is issued when getpass() cannot prevent
echoing of the password contents while reading.
On Windows, the msvcrt module will be used.
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�r� |dk �rz� ||k �r�|j � t| |�}Y nX |j d� |S Q R X dS )a Prompt for a password, with echo turned off.
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prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
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The seKr3t input.
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Always restores terminal settings before returning.
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�liner r r r& � s& r& c C s< x dD ]} t jj| �}|r|S qW ddl}|jt j� �d S )z�Get the username from the environment or password database.
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