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�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.
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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.
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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.
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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?
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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?
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|||d�^�^ }} }| Y S 0 nt d|� ���dS )aX Given a "high-level" address tuple, i.e.
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N�%r � )�flags�unknown address family ) r r r �find�isdigit�int�socketZif_nametoindex�AttributeErrorZAI_NUMERICHOSTZ getaddrinfor )
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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 �
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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
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