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getpass.cpython-39.pyc
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a �DOgf � @ s� d Z ddlZddlZddlZddlZddlZg d�ZG dd� de�Zddd�Z dd d �Z dd d �Z ddd�Z dd� Z zddlZejejf W n> eefy� z ddlZW n ey� e ZY n0 e 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. � N)�getpass�getuser�GetPassWarningc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r � /usr/lib64/python3.9/getpass.pyr � r � Password: c C s� d}t �� ���}zJt�dtjtjB �}t�|d�}|�|� t� |�}|�|� |sX|}W n^ t y� |� � zt j �� }W n$ ttfy� d}t| |�}Y n0 t j }|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. Nz/dev/ttyzw+� �TCSASOFT)�input� ) � contextlib� ExitStack�os�open�O_RDWR�O_NOCTTY�io�FileIO� enter_context� TextIOWrapper�OSError�close�sys�stdin�fileno�AttributeError� ValueError�fallback_getpass�stderr�termios� tcgetattrZECHOZ TCSAFLUSH�hasattrr � tcsetattr� _raw_input�flush�error�write) �prompt�stream�passwd�stack�fdZttyr �old�newZtcsetattr_flagsr r r � unix_getpass sV � r2 c C s� t jt jurt| |�S | D ]}t�|� qd}t�� }|dkst|dkrHqt|dkrTt�|dkrj|dd� }q.|| }q.t�d� t�d� |S )z:Prompt for password with echo off, using Windows getwch().� � r ��N���)r r � __stdin__r! �msvcrtZputwchZgetwch�KeyboardInterrupt)r+ r, �cZpwr r r � win_getpassa s r< c C s0 t jdtdd� |stj}td|d� t| |�S )Nz%Can not control echo on the terminal.� )� stacklevelz&Warning: Password input may be echoed.)�file)�warnings�warnr r r" �printr' )r+ r, r r r r! x s � r! r3 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�replacer7 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. )ZLOGNAMEZUSERZLNAME�USERNAMEr N)r �environ�get�pwd�getpwuid�getuid)�name�userrO r r r r � s r )r N)r N)r N)r3 NN)�__doc__r r r r r@ �__all__� UserWarningr r2 r< r! r' r r# r$ r& � ImportErrorr r9 r r r r r �<module> s, D
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