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getpass.cpython-38.pyc
U e5dj � @ s� d Z ddlZddlZddlZddlZddlZdddgZG dd� de�Zddd �Z dd d �Z dd d �Z ddd�Z dd� Z zddlZejejf W nB eefk r� z ddlZW n ek r� e ZY nX e 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. � N�getpass�getuser�GetPassWarningc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r � /usr/lib64/python3.8/getpass.pyr s � Password: c C s� d}t �� ���}zJt�dtjtjB �}t�|d�}|�|� t� |�}|�|� |sX|}W np t k r� } zR|� � zt j �� }W n& ttfk r� d}t| |�}Y nX t j }|s�t j}W 5 d}~X Y nX |dk �r�z�t�|�}|dd� } | d tj M < tj} ttd��r | tjO } z t�|| | � t| ||d�}W 5 t�|| |� |�� X W n@ tj k �r� |dk �rz� ||k �r�|� � t| |�}Y nX |� d� |W 5 Q R � S Q R X 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�flush� _raw_input�error�write) �prompt�streamZpasswd�stack�fdZttyr �e�old�newZtcsetattr_flagsr r r � unix_getpass sR r1 c C s� t jt jk rt| |�S | D ]}t�|� qd}t�� }|dkst|dkrHqt|dkrTt�|dkrj|dd� }q.|| }q.t�d� t�d� |S )z9Prompt for password with echo off, using Windows getch().� � 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 r2 c C s� |s t j}|st j}t| �} | rpz|�| � W n8 tk rf | �|jd�} | �|j�} |�| � Y nX |� � |� � }|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. )ZLOGNAMEZUSERZLNAMEZUSERNAMEr N)r �environ�get�pwd�getpwuid�getuid)�name�userrM r r r r � s )r N)r N)r N)r2 NN)�__doc__r r r r r? �__all__� UserWarningr r1 r; r r' r r" r# r% � ImportErrorr r8 r r r r r �<module> s, D
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