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Editing: hosts.cpython-38.pyc
U ��W[� � @ s� d Z ddlmZmZ ddlmZ ddlmZ ddlm Z ddl m Z ddl m Z ddlmZ dd lmZ d d � Zd d � ZG dd� dej�ZdS )z hosts(5) support. � )�division�absolute_import)� nativeString)�dns)�failure)�FilePath)�defer)� isIPAddress)�commonc C s� g }z| � � �� }W n | Y S X |�� }|D ]`}|�d�}|dkrT|d|� }|sZq2|�� }|�� dd� |dd� D �kr2|�t|d �� q2|S )a� Search the given file, which is in hosts(5) standard format, for an address entry with a given name. @param hostsFile: The name of the hosts(5)-format file to search. @type hostsFile: L{FilePath} @param name: The name to search for. @type name: C{str} @return: L{None} if the name is not found in the file, otherwise a C{str} giving the address in the file associated with the name. � #���Nc S s g | ] }|� � �qS � )�lower)�.0�sr r �5/usr/lib/python3/dist-packages/twisted/names/hosts.py� <listcomp>1 s z$searchFileForAll.<locals>.<listcomp>� r )Z getContent� splitlinesr �find�split�appendr )Z hostsFile�nameZresults�lines�line�idx�partsr r r �searchFileForAll s r c C s t t| �|�}|r|d S dS )a Grep given file, which is in hosts(5) standard format, for an address entry with a given name. @param file: The name of the hosts(5)-format file to search. @param name: The name to search for. @type name: C{str} @return: L{None} if the name is not found in the file, otherwise a C{str} giving the address in the file associated with the name. r N)r r )�filer Z addressesr r r � searchFileFor7 s r c @ sJ e Zd ZdZddd�Zdd� Zdd � Zd d � Zdd d�Zddd�Z eZ d S )�Resolverz9 A resolver that services hosts(5) format files. � /etc/hosts� c C s t j�| � || _|| _d S )N)r � ResolverBase�__init__r �ttl)�selfr r% r r r r$ O s zResolver.__init__c s$ t � �fdd�tt�j�� �D ��S )zv Return a tuple of L{dns.RRHeader} instances for all of the IPv4 addresses in the hosts file. c s6 g | ].}t |�rt�� tjtj�jt�|�j���qS r )r r �RRHeader�A�INr% ZRecord_A�r Zaddr�r r& r r r Z s � �z&Resolver._aRecords.<locals>.<listcomp>��tupler r r �r& r r r+ r � _aRecordsU s �zResolver._aRecordsc s$ t � �fdd�tt�j�� �D ��S )zv Return a tuple of L{dns.RRHeader} instances for all of the IPv6 addresses in the hosts file. c s6 g | ].}t |�st�� tjtj�jt�|�j���qS r )r r r' ZAAAAr) r% Z Record_AAAAr* r+ r r r g s � �z)Resolver._aaaaRecords.<locals>.<listcomp>r, r. r r+ r � _aaaaRecordsb s �zResolver._aaaaRecordsc C s* |rt �|ddf�S t �t�t�|���S )aF Generate a response for the given name containing the given result records, or a failure if there are no result records. @param name: The DNS name the response is for. @type name: C{str} @param records: A tuple of L{dns.RRHeader} instances giving the results that will go into the response. @return: A L{Deferred} which will fire with a three-tuple of result records, authority records, and additional records, or which will fail with L{dns.DomainError} if there are no result records. r )r ZsucceedZfailr ZFailurer Z DomainError)r& r Zrecordsr r r �_respondo s zResolver._respondNc C s | � || �|��S )zm Read any IPv4 addresses from C{self.file} and return them as L{Record_A} instances. )r1 r/ �r& r Ztimeoutr r r � lookupAddress� s zResolver.lookupAddressc C s | � || �|��S )zp Read any IPv6 addresses from C{self.file} and return them as L{Record_AAAA} instances. )r1 r0 r2 r r r �lookupIPV6Address� s zResolver.lookupIPV6Address)r! r" )N)N) �__name__� __module__� __qualname__�__doc__r$ r/ r0 r1 r3 r4 ZlookupAllRecordsr r r r r K s r N)r8 Z __future__r r Ztwisted.python.compatr Z twisted.namesr Ztwisted.pythonr Ztwisted.python.filepathr Ztwisted.internetr Ztwisted.internet.abstractr r r r r# r r r r r �<module> s #
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