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?? __init__.py(1.3 KB)
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?? _compat.py(1.28 KB)
?? dnssec.py(14.44 KB)
?? e164.py(3.07 KB)
?? edns.py(4.28 KB)
?? entropy.py(4.36 KB)
?? exception.py(4.52 KB)
?? flags.py(2.6 KB)
?? grange.py(1.93 KB)
?? hash.py(1.07 KB)
?? inet.py(3.17 KB)
?? ipv4.py(1.98 KB)
?? ipv6.py(5.17 KB)
?? message.py(42.12 KB)
?? name.py(28.74 KB)
?? namedict.py(3.59 KB)
?? node.py(5.91 KB)
?? opcode.py(2.48 KB)
?? query.py(19.18 KB)
?? rcode.py(3.03 KB)
?? rdata.py(14.65 KB)
?? rdataclass.py(3.18 KB)
?? rdataset.py(11.29 KB)
?? rdatatype.py(5.21 KB)
?? rdtypes
?? renderer.py(11.64 KB)
?? resolver.py(50.88 KB)
?? reversename.py(3.23 KB)
?? rrset.py(5.85 KB)
?? set.py(7.53 KB)
?? tokenizer.py(17.88 KB)
?? tsig.py(7.54 KB)
?? tsigkeyring.py(1.7 KB)
?? ttl.py(2.23 KB)
?? update.py(9.78 KB)
?? version.py(1.23 KB)
?? wiredata.py(3.64 KB)
?? zone.py(39.09 KB)

Editing: grange.py

# Copyright (C) 2003-2007, 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 GENERATE range conversion."""

import dns

def from_text(text):
    """Convert the text form of a range in a GENERATE statement to an
    integer.

@param text: the textual range
    @type text: string
    @return: The start, stop and step values.
    @rtype: tuple
    """
    # TODO, figure out the bounds on start, stop and step.

step = 1
    cur = ''
    state = 0
    # state   0 1 2 3 4
    #         x - y / z

if text and text[0] == '-':
        raise dns.exception.SyntaxError("Start cannot be a negative number")

for c in text:
        if c == '-' and state == 0:
            start = int(cur)
            cur = ''
            state = 2
        elif c == '/':
            stop = int(cur)
            cur = ''
            state = 4
        elif c.isdigit():
            cur += c
        else:
            raise dns.exception.SyntaxError("Could not parse %s" % (c))

if state in (1, 3):
        raise dns.exception.SyntaxError()

if state == 2:
        stop = int(cur)

if state == 4:
        step = int(cur)

assert step >= 1
    assert start >= 0
    assert start <= stop
    # TODO, can start == stop?

return (start, stop, step)

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