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Edit File: inet.cpython-39.opt-1.pyc
a �M�e� � @ s� d Z ddlZddlmZmZmZ ddlZddlZej Z ej Z e e e d�dd�Ze e e d�dd �Ze e d �d d �Ze ed �d d�Ze ed �dd�Zdee e f ee ed�dd�Zdd� Ze e d �dd�ZdS )z*Generic Internet address helper functions.� N)�Any�Optional�Tuple)�family�text�returnc C s2 | t krtj�|�S | tkr*tj�|d�S t�dS )a Convert the textual form of a network address into its binary form. *family* is an ``int``, the address family. *text* is a ``str``, the textual address. Raises ``NotImplementedError`` if the address family specified is not implemented. Returns a ``bytes``. TN)�AF_INET�dns�ipv4� inet_aton�AF_INET6�ipv6�NotImplementedError)r r � r �,/usr/lib/python3.9/site-packages/dns/inet.py� inet_pton! s r )r �addressr c C s0 | t krtj�|�S | tkr(tj�|�S t�dS )a0 Convert the binary form of a network address into its textual form. *family* is an ``int``, the address family. *address* is a ``bytes``, the network address in binary form. Raises ``NotImplementedError`` if the address family specified is not implemented. Returns a ``str``. N)r r r Z inet_ntoar r r )r r r r r � inet_ntop6 s r )r r c C sZ zt j�| � tW S tyT zt j�| d� tW Y S tyN t�Y n0 Y n0 dS )z�Determine the address family of a textual-form network address. *text*, a ``str``, the textual address. Raises ``ValueError`` if the address family cannot be determined from the input. Returns an ``int``. TN)r r r r � Exceptionr r � ValueError�r r r r �af_for_addressK s r c C sr z"t j�| �d }|dko |dkW S tyl z t j�| d�d }|dkW Y S tyf t�Y n0 Y n0 dS )z�Is the textual-form network address a multicast address? *text*, a ``str``, the textual address. Raises ``ValueError`` if the address family cannot be determined from the input. Returns a ``bool``. r �� �� T� N)r r r r r r )r �firstr r r � is_multicasta s r c C sX zt j�| � W dS tyR zt j�| d� W Y dS tyL Y Y dS 0 Y n0 dS )z{Is the specified string an IPv4 or IPv6 address? *text*, a ``str``, the textual address. Returns a ``bool``. TFN)r r r r r r r r r � is_addressw s r )� high_tuple�afr c C s� | \}}|du rt |�}|tkr(||fS |tkr�|�d�}|dk rN||ddfS |d|� }||d d� }|�� r�||dt|�fS z||dt�|�fW S ty� tj }tj |||d�^�^ }} }| Y S 0 nt d|� ���dS )aX Given a "high-level" address tuple, i.e. an (address, port) return the appropriate "low-level" address tuple suitable for use in socket calls. If an *af* other than ``None`` is provided, it is assumed the address in the high-level tuple is valid and has that af. If af is ``None``, then af_for_address will be called. N�%r � )�flags�unknown address family ) r r r �find�isdigit�int�socketZif_nametoindex�AttributeErrorZAI_NUMERICHOSTZ getaddrinfor ) r r r �port�iZaddrpartZscopeZai_flags�_�tupr r r �low_level_address_tuple� s( r- c C s. | t jkrdS | t jkr dS td| � ���dS )z:Return the 'any' address for the specified address family.z0.0.0.0z::r# N)r' r r r )r r r r � any_for_af� s r. c C sP zt j�| �W S tyJ zt j�| �W Y S tyD t�Y n0 Y n0 dS )a Verify that *address* is a valid text form IPv4 or IPv6 address and return its canonical text form. IPv6 addresses with scopes are rejected. *text*, a ``str``, the address in textual form. Raises ``ValueError`` if the text is not valid. N)r r � canonicalizer r r r r r r r/ � s r/ )N)�__doc__r' �typingr r r Zdns.ipv4r Zdns.ipv6r r r& �str�bytesr r r �boolr r r- r. r/ r r r r �<module> s$ �� $