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ee e f dee defd�Zd� Zde de fd�Zy)z*Generic Internet address helper functions.� N)�Any�Optional�Tuple�family�text�returnc � � | t k( r t j j |� S | t k( r t j
j |d� S t �)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``.
T)�AF_INET�dns�ipv4� inet_aton�AF_INET6�ipv6�NotImplementedError)r r s �*/usr/lib/python3/dist-packages/dns/inet.py� inet_ptonr ! sF � � ����x�x�!�!�$�'�'� �8� ��x�x�!�!�$��-�-�!�!� �addressc � � | t k( r t j j |� S | t k( r t j
j |� S t �)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``.
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r r � inet_ntoar r r )r r s r � inet_ntopr 6 sD � � ����x�x�!�!�'�*�*� �8� ��x�x�!�!�'�*�*�!�!r c �� � t j j | � t S # t $ r= t j
j | d� t cY S # t $ r t �w xY ww xY w)z�Determine the address family of a textual-form network address.
*text*, a ``str``, the textual address.
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from the input.
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ValueError�r s r �af_for_addressr K s` � � � �����4� ���� � � � �H�H� � �t�T� *��O��� � � � �� �s �$' � A-�%A�A-�A)�)A-c � � t j j | � d }|dk\ xr |dk S # t $ r? t j j | d� d }|dk( cY S # t $ r t
�w xY ww xY w)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.
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r r r )r �firsts r � is_multicastr" a s� � � ����"�"�4�(��+����|�,��� �,�� � � ��H�H�&�&�t�T�2�1�5�E��C�<� ��� � � � �� �s �-0 � A8�'A$�!A8�$A4�4A8c �� � t j j | � y# t $ r4 t j j | d� Y y# t $ r Y Y yw xY ww xY w)z{Is the specified string an IPv4 or IPv6 address?
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high_tuple�afc � � | \ }}|� t |� }|t k( r||fS |t k( rb|j d� }|dk r||ddfS |d| }||dz d }|j � r||dt |� fS ||dt
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j |||�� ^�^ }} }| cY S w xY w)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.
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�w xY ww xY w)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.
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