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S )zÙGenerate cryptographically strong pseudo-random numbers suitable for
managing secrets such as account authentication, tokens, and similar.
See PEP 506 for more information.
https://www.python.org/dev/peps/pep-0506/
ÚchoiceÚ	randbelowÚrandbitsÚSystemRandomÚtoken_bytesÚ	token_hexÚ
token_urlsafeÚcompare_digesté    N)r   )r   c             C   s   | dkrt dƒ‚tj| ƒS )z(Return a random int in the range [0, n).r	   zUpper bound must be positive.)Ú
ValueErrorÚ_sysrandZ
_randbelow)Zexclusive_upper_bound© r   ú/usr/lib64/python3.6/secrets.pyr      s    é    c             C   s   | dkrt } tj| ƒS )zèReturn a random byte string containing *nbytes* bytes.
    If *nbytes* is ``None`` or not supplied, a reasonable
    default is used.
    >>> token_bytes(16)  #doctest:+SKIP
    b'\xebr\x17D*t\xae\xd4\xe3S\xb6\xe2\xebP1\x8b'
    N)ÚDEFAULT_ENTROPYÚosÚurandom)Únbytesr   r   r
   r   #   s    
c             C   s   t jt| ƒƒjdƒS )a"  Return a random text string, in hexadecimal.
    The string has *nbytes* random bytes, each byte converted to two
    hex digits.  If *nbytes* is ``None`` or not supplied, a reasonable
    default is used.
    >>> token_hex(16)  #doctest:+SKIP
    'f9bf78b9a18ce6d46a0cd2b0b86df9da'
    Úascii)ÚbinasciiZhexlifyr   Údecode)r   r   r   r
   r   1   s    c             C   s   t | ƒ}tj|ƒjdƒjdƒS )zþReturn a random URL-safe text string, in Base64 encoding.
    The string has *nbytes* random bytes.  If *nbytes* is ``None``
    or not supplied, a reasonable default is used.
    >>> token_urlsafe(16)  #doctest:+SKIP
    'Drmhze6EPcv0fN_81Bj-nA'
    ó   =r   )r   Úbase64Zurlsafe_b64encodeÚrstripr   )r   Útokr   r   r
   r   >