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Diffstat (limited to 'third_party/dnspython/dns/rdatatype.py')
| -rw-r--r-- | third_party/dnspython/dns/rdatatype.py | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/third_party/dnspython/dns/rdatatype.py b/third_party/dnspython/dns/rdatatype.py deleted file mode 100644 index 380cfcd0d3f..00000000000 --- a/third_party/dnspython/dns/rdatatype.py +++ /dev/null @@ -1,232 +0,0 @@ -# Copyright (C) 2001-2007, 2009-2011 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 Types. - -@var _by_text: The rdata type textual name to value mapping -@type _by_text: dict -@var _by_value: The rdata type value to textual name mapping -@type _by_value: dict -@var _metatypes: If an rdatatype is a metatype, there will be a mapping -whose key is the rdatatype value and whose value is True in this dictionary. -@type _metatypes: dict -@var _singletons: If an rdatatype is a singleton, there will be a mapping -whose key is the rdatatype value and whose value is True in this dictionary. -@type _singletons: dict""" - -import re - -import dns.exception - -NONE = 0 -A = 1 -NS = 2 -MD = 3 -MF = 4 -CNAME = 5 -SOA = 6 -MB = 7 -MG = 8 -MR = 9 -NULL = 10 -WKS = 11 -PTR = 12 -HINFO = 13 -MINFO = 14 -MX = 15 -TXT = 16 -RP = 17 -AFSDB = 18 -X25 = 19 -ISDN = 20 -RT = 21 -NSAP = 22 -NSAP_PTR = 23 -SIG = 24 -KEY = 25 -PX = 26 -GPOS = 27 -AAAA = 28 -LOC = 29 -NXT = 30 -SRV = 33 -NAPTR = 35 -KX = 36 -CERT = 37 -A6 = 38 -DNAME = 39 -OPT = 41 -APL = 42 -DS = 43 -SSHFP = 44 -IPSECKEY = 45 -RRSIG = 46 -NSEC = 47 -DNSKEY = 48 -DHCID = 49 -NSEC3 = 50 -NSEC3PARAM = 51 -HIP = 55 -SPF = 99 -UNSPEC = 103 -TKEY = 249 -TSIG = 250 -IXFR = 251 -AXFR = 252 -MAILB = 253 -MAILA = 254 -ANY = 255 -TA = 32768 -DLV = 32769 - -_by_text = { - 'NONE' : NONE, - 'A' : A, - 'NS' : NS, - 'MD' : MD, - 'MF' : MF, - 'CNAME' : CNAME, - 'SOA' : SOA, - 'MB' : MB, - 'MG' : MG, - 'MR' : MR, - 'NULL' : NULL, - 'WKS' : WKS, - 'PTR' : PTR, - 'HINFO' : HINFO, - 'MINFO' : MINFO, - 'MX' : MX, - 'TXT' : TXT, - 'RP' : RP, - 'AFSDB' : AFSDB, - 'X25' : X25, - 'ISDN' : ISDN, - 'RT' : RT, - 'NSAP' : NSAP, - 'NSAP-PTR' : NSAP_PTR, - 'SIG' : SIG, - 'KEY' : KEY, - 'PX' : PX, - 'GPOS' : GPOS, - 'AAAA' : AAAA, - 'LOC' : LOC, - 'NXT' : NXT, - 'SRV' : SRV, - 'NAPTR' : NAPTR, - 'KX' : KX, - 'CERT' : CERT, - 'A6' : A6, - 'DNAME' : DNAME, - 'OPT' : OPT, - 'APL' : APL, - 'DS' : DS, - 'SSHFP' : SSHFP, - 'IPSECKEY' : IPSECKEY, - 'RRSIG' : RRSIG, - 'NSEC' : NSEC, - 'DNSKEY' : DNSKEY, - 'DHCID' : DHCID, - 'NSEC3' : NSEC3, - 'NSEC3PARAM' : NSEC3PARAM, - 'HIP' : HIP, - 'SPF' : SPF, - 'UNSPEC' : UNSPEC, - 'TKEY' : TKEY, - 'TSIG' : TSIG, - 'IXFR' : IXFR, - 'AXFR' : AXFR, - 'MAILB' : MAILB, - 'MAILA' : MAILA, - 'ANY' : ANY, - 'TA' : TA, - 'DLV' : DLV, - } - -# We construct the inverse mapping programmatically to ensure that we -# cannot make any mistakes (e.g. omissions, cut-and-paste errors) that -# would cause the mapping not to be true inverse. - -_by_value = dict([(y, x) for x, y in _by_text.iteritems()]) - - -_metatypes = { - OPT : True - } - -_singletons = { - SOA : True, - NXT : True, - DNAME : True, - NSEC : True, - # CNAME is technically a singleton, but we allow multiple CNAMEs. - } - -_unknown_type_pattern = re.compile('TYPE([0-9]+)$', re.I); - -class UnknownRdatatype(dns.exception.DNSException): - """Raised if a type is unknown.""" - pass - -def from_text(text): - """Convert text into a DNS rdata type value. - @param text: the text - @type text: string - @raises dns.rdatatype.UnknownRdatatype: the type is unknown - @raises ValueError: the rdata type value is not >= 0 and <= 65535 - @rtype: int""" - - value = _by_text.get(text.upper()) - if value is None: - match = _unknown_type_pattern.match(text) - if match == None: - raise UnknownRdatatype - value = int(match.group(1)) - if value < 0 or value > 65535: - raise ValueError("type must be between >= 0 and <= 65535") - return value - -def to_text(value): - """Convert a DNS rdata type to text. - @param value: the rdata type value - @type value: int - @raises ValueError: the rdata type value is not >= 0 and <= 65535 - @rtype: string""" - - if value < 0 or value > 65535: - raise ValueError("type must be between >= 0 and <= 65535") - text = _by_value.get(value) - if text is None: - text = 'TYPE' + `value` - return text - -def is_metatype(rdtype): - """True if the type is a metatype. - @param rdtype: the type - @type rdtype: int - @rtype: bool""" - - if rdtype >= TKEY and rdtype <= ANY or _metatypes.has_key(rdtype): - return True - return False - -def is_singleton(rdtype): - """True if the type is a singleton. - @param rdtype: the type - @type rdtype: int - @rtype: bool""" - - if _singletons.has_key(rdtype): - return True - return False |