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author | Jelmer Vernooij <jelmer@samba.org> | 2010-03-29 16:08:11 +0200 |
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committer | Jelmer Vernooij <jelmer@samba.org> | 2010-03-29 18:05:29 +0200 |
commit | 4bbc3ff037026c72f3249f59c1b5af69a6ad6d69 (patch) | |
tree | 125857a1edbf3246579e51b10f6e62ec875062bc /source4/scripting/python/samba_external/dnspython/dns/edns.py | |
parent | 89aa3b766b926d19dac4805a7e72433e497ce872 (diff) | |
download | samba-4bbc3ff037026c72f3249f59c1b5af69a6ad6d69.tar.gz samba-4bbc3ff037026c72f3249f59c1b5af69a6ad6d69.tar.bz2 samba-4bbc3ff037026c72f3249f59c1b5af69a6ad6d69.zip |
s4-python: Move dnspython to lib/, like the other Python modules
This also avoids it from being installed if it's already present on the
system.
Diffstat (limited to 'source4/scripting/python/samba_external/dnspython/dns/edns.py')
-rw-r--r-- | source4/scripting/python/samba_external/dnspython/dns/edns.py | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/source4/scripting/python/samba_external/dnspython/dns/edns.py b/source4/scripting/python/samba_external/dnspython/dns/edns.py deleted file mode 100644 index 1731cedde4..0000000000 --- a/source4/scripting/python/samba_external/dnspython/dns/edns.py +++ /dev/null @@ -1,142 +0,0 @@ -# Copyright (C) 2009 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. - -"""EDNS Options""" - -NSID = 3 - -class Option(object): - """Base class for all EDNS option types. - """ - - def __init__(self, otype): - """Initialize an option. - @param rdtype: The rdata type - @type rdtype: int - """ - self.otype = otype - - def to_wire(self, file): - """Convert an option to wire format. - """ - raise NotImplementedError - - def from_wire(cls, otype, wire, current, olen): - """Build an EDNS option object from wire format - - @param otype: The option type - @type otype: int - @param wire: The wire-format message - @type wire: string - @param current: The offet in wire of the beginning of the rdata. - @type current: int - @param olen: The length of the wire-format option data - @type olen: int - @rtype: dns.ends.Option instance""" - raise NotImplementedError - - from_wire = classmethod(from_wire) - - def _cmp(self, other): - """Compare an ENDS option with another option of the same type. - Return < 0 if self < other, 0 if self == other, and > 0 if self > other. - """ - raise NotImplementedError - - def __eq__(self, other): - if not isinstance(other, Option): - return False - if self.otype != other.otype: - return False - return self._cmp(other) == 0 - - def __ne__(self, other): - if not isinstance(other, Option): - return False - if self.otype != other.otype: - return False - return self._cmp(other) != 0 - - def __lt__(self, other): - if not isinstance(other, Option) or \ - self.otype != other.otype: - return NotImplemented - return self._cmp(other) < 0 - - def __le__(self, other): - if not isinstance(other, Option) or \ - self.otype != other.otype: - return NotImplemented - return self._cmp(other) <= 0 - - def __ge__(self, other): - if not isinstance(other, Option) or \ - self.otype != other.otype: - return NotImplemented - return self._cmp(other) >= 0 - - def __gt__(self, other): - if not isinstance(other, Option) or \ - self.otype != other.otype: - return NotImplemented - return self._cmp(other) > 0 - - -class GenericOption(Option): - """Generate Rdata Class - - This class is used for EDNS option types for which we have no better - implementation. - """ - - def __init__(self, otype, data): - super(GenericOption, self).__init__(otype) - self.data = data - - def to_wire(self, file): - file.write(self.data) - - def from_wire(cls, otype, wire, current, olen): - return cls(otype, wire[current : current + olen]) - - from_wire = classmethod(from_wire) - - def _cmp(self, other): - return cmp(self.data, other.data) - -_type_to_class = { -} - -def get_option_class(otype): - cls = _type_to_class.get(otype) - if cls is None: - cls = GenericOption - return cls - -def option_from_wire(otype, wire, current, olen): - """Build an EDNS option object from wire format - - @param otype: The option type - @type otype: int - @param wire: The wire-format message - @type wire: string - @param current: The offet in wire of the beginning of the rdata. - @type current: int - @param olen: The length of the wire-format option data - @type olen: int - @rtype: dns.ends.Option instance""" - - cls = get_option_class(otype) - return cls.from_wire(otype, wire, current, olen) |