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RS( s% Base class for all EDNS option types.c C@ s
| | _ d S( sP Initialize an option.
*otype*, an ``int``, is the option type.
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t � d S( s* Convert an option to wire format.
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t � d S( st Build an EDNS option object from wire format.
*otype*, an ``int``, is the option type.
*wire*, a ``binary``, is the wire-format message.
*current*, an ``int``, is the offset in *wire* of the beginning
of the rdata.
*olen*, an ``int``, is the length of the wire-format option data
Returns a ``dns.edns.Option``.
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Returns < 0 if < *other*, 0 if == *other*, and > 0 if > *other*.
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GenericOptionc B@ sA e Z d Z d � Z d � Z d � Z e d � � Z d � Z RS( sw Generic Option Class
This class is used for EDNS option types for which we have no better
implementation.
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s� *address*, a ``text``, is the client address information.
*srclen*, an ``int``, the source prefix length, which is the
leftmost number of bits of the address to be used for the
lookup. The default is 24 for IPv4 and 56 for IPv6.
*scopelen*, an ``int``, the scope prefix length. This value
must be 0 in queries, and should be set in responses.
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R R R R) R R R R R R ( ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/edns.pyR! � s ( c C@ s( t j | � } | d k r$ t } n | S( s� Return the class for the specified option type.
The GenericOption class is used if a more specific class is not
known.
N( t _type_to_classt getR) R ( R R ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/edns.pyt get_option_class� s c C@ s" t | � } | j | | | | � S( ss Build an EDNS option object from wire format.
*otype*, an ``int``, is the option type.
*wire*, a ``binary``, is the wire-format message.
*current*, an ``int``, is the offset in *wire* of the beginning
of the rdata.
*olen*, an ``int``, is the length of the wire-format option data
Returns an instance of a subclass of ``dns.edns.Option``.
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