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ZY dS w 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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}|sYt j}Y nw |dur�zLt�|�}|dd� }|d tj M < tj} ttd�r�| tjO } zt�|| |� t| ||d�}W t�|| |� |�� n t�|| |� |�� w W n tj y� |dur�� ||ur�|� � t| |�}Y nw |� d� |W d � S 1 s�w Y dS )a Prompt for a password, with echo turned off.
Args:
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.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
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�liner r r r( � s( � r( c C s< dD ]} t j�| �}|r| S qddl}|�t �� �d S )z�Get the username from the environment or password database.
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