Edit File: exception.cpython-36.pyc
3 d��W � @ sh d Z G dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG d d � d e�ZG d d � d e�Zd S )zCommon DNS Exceptions.c sR e Zd ZdZdZe� ZdZ� fdd�Zdd� Z dd� Z d d � Z � fd d �Z � Z S ) � DNSExceptiona� Abstract base class shared by all dnspython exceptions. It supports two basic modes of operation: a) Old/compatible mode is used if __init__ was called with empty **kwargs. In compatible mode all *args are passed to standard Python Exception class as before and all *args are printed by standard __str__ implementation. Class variable msg (or doc string if msg is None) is returned from str() if *args is empty. b) New/parametrized mode is used if __init__ was called with non-empty **kwargs. In the new mode *args has to be empty and all kwargs has to exactly match set in class variable self.supp_kwargs. All kwargs are stored inside self.kwargs and used in new __str__ implementation to construct formatted message based on self.fmt string. In the simplest case it is enough to override supp_kwargs and fmt class variables to get nice parametrized messages. Nc sp | j ||� |r*| jf |�| _t| �| _nt� | _| jd krD| j| _|rZtt| �j |� ntt| �j | j� d S )N) � _check_params� _check_kwargs�kwargs�str�msg�dict�__doc__�superr �__init__)�self�argsr )� __class__� � /usr/lib/python3.6/exception.pyr . s zDNSException.__init__c O s$ |s|r t |�t |�ks td��dS )zsOld exceptions supported only args and not kwargs. For sanity we do not allow to mix old and new behavior.z=keyword arguments are mutually exclusive with positional argsN)�bool�AssertionError)r r r r r r r = s zDNSException._check_paramsc K s( |r$t |j� �| jks$td| j ��|S )Nz-following set of keyword args is required: %s)�set�keys� supp_kwargsr )r r r r r r E s zDNSException._check_kwargsc K sh i }x^|j � D ]R\}}t|ttf�rXttt|��||< t|| �dkr`|| j� ||< q|||< qW |S )z�Format kwargs before printing them. Resulting dictionary has to have keys necessary for str.format call on fmt class variable. � )�items� isinstance�listr �mapr �len�pop)r r �fmtargs�kw�datar r r � _fmt_kwargsL s zDNSException._fmt_kwargsc s: | j r(| jr(| jf | j �}| jjf |�S tt| �j� S d S )N)r �fmtr �formatr r �__str__)r r )r r r r" ^ s zDNSException.__str__)�__name__� __module__� __qualname__r r r r r r r r r r" � __classcell__r r )r r r s r c @ s e Zd ZdZdS )� FormErrorzDNS message is malformed.N)r# r$ r% r r r r r r' h s r' c @ s e Zd ZdZdS )� SyntaxErrorzText input is malformed.N)r# r$ r% r r r r r r( m s r( c @ s e Zd ZdZdS )� UnexpectedEndz Text input ended unexpectedly.N)r# r$ r% r r r r r r) r s r) c @ s e Zd ZdZdS )�TooBigzThe DNS message is too big.N)r# r$ r% r r r r r r* w s r* c @ s e Zd ZdZedg�ZdZdS )�Timeoutz The DNS operation timed out.Ztimeoutz3The DNS operation timed out after {timeout} secondsN)r# r$ r% r r r r r r r r r+ | s r+ N)r � Exceptionr r' r( r) r* r+ r r r r �<module> s U
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