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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/dns/rdataclass.py | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-master.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/dns/rdataclass.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/dns/rdataclass.py | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/dns/rdataclass.py b/.venv/lib/python3.12/site-packages/dns/rdataclass.py new file mode 100644 index 00000000..89b85a79 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/dns/rdataclass.py @@ -0,0 +1,118 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Rdata Classes.""" + +import dns.enum +import dns.exception + + +class RdataClass(dns.enum.IntEnum): + """DNS Rdata Class""" + + RESERVED0 = 0 + IN = 1 + INTERNET = IN + CH = 3 + CHAOS = CH + HS = 4 + HESIOD = HS + NONE = 254 + ANY = 255 + + @classmethod + def _maximum(cls): + return 65535 + + @classmethod + def _short_name(cls): + return "class" + + @classmethod + def _prefix(cls): + return "CLASS" + + @classmethod + def _unknown_exception_class(cls): + return UnknownRdataclass + + +_metaclasses = {RdataClass.NONE, RdataClass.ANY} + + +class UnknownRdataclass(dns.exception.DNSException): + """A DNS class is unknown.""" + + +def from_text(text: str) -> RdataClass: + """Convert text into a DNS rdata class value. + + The input text can be a defined DNS RR class mnemonic or + instance of the DNS generic class syntax. + + For example, "IN" and "CLASS1" will both result in a value of 1. + + Raises ``dns.rdatatype.UnknownRdataclass`` if the class is unknown. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns a ``dns.rdataclass.RdataClass``. + """ + + return RdataClass.from_text(text) + + +def to_text(value: RdataClass) -> str: + """Convert a DNS rdata class value to text. + + If the value has a known mnemonic, it will be used, otherwise the + DNS generic class syntax will be used. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns a ``str``. + """ + + return RdataClass.to_text(value) + + +def is_metaclass(rdclass: RdataClass) -> bool: + """True if the specified class is a metaclass. + + The currently defined metaclasses are ANY and NONE. + + *rdclass* is a ``dns.rdataclass.RdataClass``. + """ + + if rdclass in _metaclasses: + return True + return False + + +### BEGIN generated RdataClass constants + +RESERVED0 = RdataClass.RESERVED0 +IN = RdataClass.IN +INTERNET = RdataClass.INTERNET +CH = RdataClass.CH +CHAOS = RdataClass.CHAOS +HS = RdataClass.HS +HESIOD = RdataClass.HESIOD +NONE = RdataClass.NONE +ANY = RdataClass.ANY + +### END generated RdataClass constants |