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    ”¼pdj  ã                   @   sÚ   d Z ddlZddlZddlZddlZddlZdddgZG dd„ deƒZddd	„Z	dd
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ddd„Zddd„Zdd„ ZzddlZejejf W nB eefk
rÐ   zddlZW n ek
rÆ   eZY nX e
ZY nX e	ZdS )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.

é    NÚgetpassÚgetuserÚGetPassWarningc                   @   s   e Zd ZdS )r   N)Ú__name__Ú
__module__Ú__qualname__© r   r   ú/usr/lib/python3.8/getpass.pyr      s    ú
Password: c                 C   sÀ  d}t  ¡ ¨}zJt dtjtjB ¡}t |d¡}| |¡ t 	|¡}| |¡ |sX|}W np t
k
rÊ } zR| ¡  ztj ¡ }W n& ttfk
r¨   d}t| |ƒ}Y nX tj}|sºtj}W 5 d}~X Y nX |dk	rœz„t |¡}|dd… }	|	d  tj M  < tj}
ttdƒr|
tjO }
z t ||
|	¡ t| ||d}W 5 t ||
|¡ | ¡  X W n@ tjk
rš   |dk	rz‚ ||k	rŒ| ¡  t| |ƒ}Y nX | d¡ |W  5 Q R £ S Q R X dS )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/ttyzw+é   ÚTCSASOFT)ÚinputÚ
)Ú
contextlibÚ	ExitStackÚosÚopenÚO_RDWRÚO_NOCTTYÚioÚFileIOÚenter_contextÚTextIOWrapperÚOSErrorÚcloseÚsysÚstdinÚfilenoÚAttributeErrorÚ
ValueErrorÚfallback_getpassÚstderrÚtermiosÚ	tcgetattrZECHOZ	TCSAFLUSHÚhasattrr   Ú	tcsetattrÚflushÚ
_raw_inputÚerrorÚwrite)ÚpromptÚstreamZpasswdÚstackÚfdZttyr   ÚeÚoldÚnewZtcsetattr_flagsr   r   r	   Úunix_getpass   sR    








r1   c                 C   sŒ   t jt jk	rt| |ƒS | D ]}t |¡ qd}t ¡ }|dkst|dkrHqt|dkrTt‚|dkrj|dd… }q.|| }q.t d¡ t d¡ |S )z9Prompt for password with echo off, using Windows getch().Ú úr   úúNéÿÿÿÿ)r   r   Ú	__stdin__r    ÚmsvcrtZputwchZgetwchÚKeyboardInterrupt)r*   r+   ÚcZpwr   r   r	   Úwin_getpassa   s     



r;   c                 C   s0   t jdtdd |stj}td|d t| |ƒS )Nz%Can not control echo on the terminal.é   )Ú
stacklevelz&Warning: Password input may be echoed.)Úfile)ÚwarningsÚwarnr   r   r!   Úprintr'   )r*   r+   r   r   r	   r    x   s    ÿr    r2   c                 C   sœ   |s
t j}|st j}t| ƒ} | rpz| | ¡ W n8 tk
rf   |  |jd¡} |  |j¡} | | ¡ Y nX | 	¡  | 
¡ }|s€t‚|d dkr˜|d d… }|S )NÚreplacer6   r   )r   r!   r   Ústrr)   ÚUnicodeEncodeErrorÚencodeÚencodingÚdecoder&   ÚreadlineÚEOFError)r*   r+   r   Úliner   r   r	   r'      s&    r'   c                  C   s<   dD ]} t j | ¡}|r|  S qddl}| t  ¡ ¡d S )zÂGet 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.

    )ZLOGNAMEZUSERZLNAMEZUSERNAMEr   N)r   ÚenvironÚgetÚpwdÚgetpwuidÚgetuid)ÚnameÚuserrM   r   r   r	   r   š   s    
)r
   N)r
   N)r
   N)r2   NN)Ú__doc__r   r   r   r   r?   Ú__all__ÚUserWarningr   r1   r;   r    r'   r   r"   r#   r%   ÚImportErrorr   r8   r   r   r   r   r	   Ú<module>   s,   

D

	


