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📁 ..
📄 __init__.py(1.3 KB)
📄 __init__.pyc(765 B)
📄 __init__.pyo(765 B)
📄 dnssec.py(14.37 KB)
📄 dnssec.pyc(13.46 KB)
📄 dnssec.pyo(13.38 KB)
📄 e164.py(3.01 KB)
📄 e164.pyc(2.76 KB)
📄 e164.pyo(2.76 KB)
📄 edns.py(4.21 KB)
📄 edns.pyc(5.2 KB)
📄 edns.pyo(5.2 KB)
📄 entropy.py(3.79 KB)
📄 entropy.pyc(3.7 KB)
📄 entropy.pyo(3.7 KB)
📄 exception.py(1.29 KB)
📄 exception.pyc(1.56 KB)
📄 exception.pyo(1.56 KB)
📄 flags.py(2.62 KB)
📄 flags.pyc(2.58 KB)
📄 flags.pyo(2.58 KB)
📄 grange.py(1.83 KB)
📄 grange.pyc(1.15 KB)
📄 grange.pyo(1.08 KB)
📄 hash.py(2.34 KB)
📄 hash.pyc(2.11 KB)
📄 hash.pyo(2.11 KB)
📄 inet.py(3.16 KB)
📄 inet.pyc(2.61 KB)
📄 inet.pyo(2.61 KB)
📄 ipv4.py(1.81 KB)
📄 ipv4.pyc(1.37 KB)
📄 ipv4.pyo(1.37 KB)
📄 ipv6.py(4.97 KB)
📄 ipv6.pyc(3.44 KB)
📄 ipv6.pyo(3.44 KB)
📄 message.py(41.63 KB)
📄 message.pyc(36.39 KB)
📄 message.pyo(36.39 KB)
📄 name.py(21.82 KB)
📄 name.pyc(23 KB)
📄 name.pyo(23 KB)
📄 namedict.py(2.06 KB)
📄 namedict.pyc(1.92 KB)
📄 namedict.pyo(1.92 KB)
📄 node.py(5.89 KB)
📄 node.pyc(6.15 KB)
📄 node.pyo(6.15 KB)
📄 opcode.py(2.55 KB)
📄 opcode.pyc(2.49 KB)
📄 opcode.pyo(2.49 KB)
📄 query.py(17.89 KB)
📄 query.pyc(15.31 KB)
📄 query.pyo(15.31 KB)
📄 rcode.py(3.03 KB)
📄 rcode.pyc(2.92 KB)
📄 rcode.pyo(2.92 KB)
📄 rdata.py(15.34 KB)
📄 rdata.pyc(16.59 KB)
📄 rdata.pyo(16.59 KB)
📄 rdataclass.py(3.22 KB)
📄 rdataclass.pyc(2.96 KB)
📄 rdataclass.pyo(2.96 KB)
📄 rdataset.py(11.28 KB)
📄 rdataset.pyc(11.08 KB)
📄 rdataset.pyo(11.03 KB)
📄 rdatatype.py(5.07 KB)
📄 rdatatype.pyc(5.29 KB)
📄 rdatatype.pyo(5.29 KB)
📁 rdtypes
📄 renderer.py(11.63 KB)
📄 renderer.pyc(10.85 KB)
📄 renderer.pyo(10.75 KB)
📄 resolver.py(45.35 KB)
📄 resolver.pyc(37.16 KB)
📄 resolver.pyo(37.16 KB)
📄 reversename.py(3.03 KB)
📄 reversename.pyc(2.4 KB)
📄 reversename.pyo(2.4 KB)
📄 rrset.py(5.76 KB)
📄 rrset.pyc(6.17 KB)
📄 rrset.pyo(6.17 KB)
📄 set.py(7.66 KB)
📄 set.pyc(9.81 KB)
📄 set.pyo(9.81 KB)
📄 tokenizer.py(17.54 KB)
📄 tokenizer.pyc(16.92 KB)
📄 tokenizer.pyo(16.92 KB)
📄 tsig.py(8.1 KB)
📄 tsig.pyc(8.08 KB)
📄 tsig.pyo(8.08 KB)
📄 tsigkeyring.py(1.61 KB)
📄 tsigkeyring.pyc(1.16 KB)
📄 tsigkeyring.pyo(1.16 KB)
📄 ttl.py(2.13 KB)
📄 ttl.pyc(1.48 KB)
📄 ttl.pyo(1.48 KB)
📄 update.py(9.92 KB)
📄 update.pyc(8.27 KB)
📄 update.pyo(8.27 KB)
📄 version.py(1.24 KB)
📄 version.pyc(560 B)
📄 version.pyo(560 B)
📄 wiredata.py(2.53 KB)
📄 wiredata.pyc(2.19 KB)
📄 wiredata.pyo(2.19 KB)
📄 zone.py(37.94 KB)
📄 zone.pyc(33.52 KB)
📄 zone.pyo(33.52 KB)

Editing: e164.py

# Copyright (C) 2006, 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 E.164 helpers

@var public_enum_domain: The DNS public ENUM domain, e164.arpa.
@type public_enum_domain: dns.name.Name object
"""

import dns.exception
import dns.name
import dns.resolver

public_enum_domain = dns.name.from_text('e164.arpa.')

def from_e164(text, origin=public_enum_domain):
    """Convert an E.164 number in textual form into a Name object whose
    value is the ENUM domain name for that number.
    @param text: an E.164 number in textual form.
    @type text: str
    @param origin: The domain in which the number should be constructed.
    The default is e164.arpa.
    @type origin: dns.name.Name object or None
    @rtype: dns.name.Name object
    """
    parts = [d for d in text if d.isdigit()]
    parts.reverse()
    return dns.name.from_text('.'.join(parts), origin=origin)

def to_e164(name, origin=public_enum_domain, want_plus_prefix=True):
    """Convert an ENUM domain name into an E.164 number.
    @param name: the ENUM domain name.
    @type name: dns.name.Name object.
    @param origin: A domain containing the ENUM domain name.  The
    name is relativized to this domain before being converted to text.
    @type origin: dns.name.Name object or None
    @param want_plus_prefix: if True, add a '+' to the beginning of the
    returned number.
    @rtype: str
    """
    if not origin is None:
        name = name.relativize(origin)
    dlabels = [d for d in name.labels if (d.isdigit() and len(d) == 1)]
    if len(dlabels) != len(name.labels):
        raise dns.exception.SyntaxError('non-digit labels in ENUM domain name')
    dlabels.reverse()
    text = ''.join(dlabels)
    if want_plus_prefix:
        text = '+' + text
    return text

def query(number, domains, resolver=None):
    """Look for NAPTR RRs for the specified number in the specified domains.

e.g. lookup('16505551212', ['e164.dnspython.org.', 'e164.arpa.'])
    """
    if resolver is None:
        resolver = dns.resolver.get_default_resolver()
    for domain in domains:
        if isinstance(domain, (str, unicode)):
            domain = dns.name.from_text(domain)
        qname = dns.e164.from_e164(number, domain)
        try:
            return resolver.query(qname, 'NAPTR')
        except dns.resolver.NXDOMAIN:
            pass
    raise dns.resolver.NXDOMAIN

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