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ZY n0 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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}|s�t j}Y n0 |du�r�z�t�|�}|dd� }|d tj M < tj} ttd��r | tjO } z6t�|| |� t| ||d�}W t�|| |� |�� nt�|| |� |�� 0 W n> tj �y� |du�r|� ||u�r�|� � t| |�}Y n0 |� d� |W d � S 1 �s�0 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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stacklevelz&Warning: Password input may be echoed.)�file)�warnings�warnr r r" �printr' )r+ r, r r r r! x s � r! r2 c C s� |s
t j}|st j}t| �} | rnz|�| � W n6 tyd | �|jd�} | �|j�} |�| � Y n0 |� � |�
� }|s~t �|d dkr�|d d� }|S )N�replacer6 r ) r r" r �strr* �UnicodeEncodeError�encode�encoding�decoder( �readline�EOFError)r+ r, r �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.
First try various environment variables, then the password
database. This works on Windows as long as USERNAME is set.
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