Edit File: reversename.cpython-36.pyc
3 �b�W� � @ sX d Z ddlZddlZddlZddlZddlZejjd�Z ejjd�Z dd� Z dd� Z dS ) a DNS Reverse Map Names. @var ipv4_reverse_domain: The DNS IPv4 reverse-map domain, in-addr.arpa. @type ipv4_reverse_domain: dns.name.Name object @var ipv6_reverse_domain: The DNS IPv6 reverse-map domain, ip6.arpa. @type ipv6_reverse_domain: dns.name.Name object � Nz in-addr.arpa.z ip6.arpa.c C s� yzt jj| �}t jj|�rXtjd kr<dd� |dd� D �}ndd� |dd� D �}t}n dd� ttj |�j � �D �}t }W n2 t k r� dd� t t jj| ��D �}t}Y nX |j� t jjd j|�|d �S ) a Convert an IPv4 or IPv6 address in textual form into a Name object whose value is the reverse-map domain name of the address. @param text: an IPv4 or IPv6 address in textual form (e.g. '127.0.0.1', '::1') @type text: str @rtype: dns.name.Name object � c S s g | ] }d | �qS )z%d� )�.0�byter r �!/usr/lib/python3.6/reversename.py� <listcomp>/ s z from_address.<locals>.<listcomp>� Nc S s g | ]}d t |� �qS )z%d)�ord)r r r r r r 1 s c S s g | ]}|�qS r r )r �xr r r r 4 s c S s g | ] }d | �qS )z%dr )r r r r r r 7 s �.)�origin)r )�dns�ipv6� inet_atonZ is_mapped�sys� version_info�ipv4_reverse_domain�str�binasciiZhexlify�decode�ipv6_reverse_domain� Exception� bytearray�ipv4�reverse�name� from_text�join)�textZv6�partsr r r r � from_address# s r c C s� | j t�rD| jt�} t| j�}|j� dj|�}tjj tjj |��S | j t �r�| jt �} t| j�}|j� g }d}t |�}x0||k r�|j dj|||d � �� |d7 }q|W dj|�}tjj tjj |��S tjjd��dS )z�Convert a reverse map domain name into textual address form. @param name: an IPv4 or IPv6 address in reverse-map form. @type name: dns.name.Name object @rtype: str � .r � � � :z"unknown reverse-map address familyN)Z is_subdomainr Z relativize�list�labelsr r r r Z inet_ntoar r �len�appendr Z exception� SyntaxError)r r& r r �i�lr r r � to_address> s& r, ) �__doc__r r Zdns.namer Zdns.ipv6Zdns.ipv4r r r r r r, r r r r �<module> s
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