s4-python: import a copy of the python dns library

[idra/samba.git] / source4 / scripting / python / samba_external / dnspython / dns / rdtypes / IN / DHCID.py

diff --git a/source4/scripting/python/samba_external/dnspython/dns/rdtypes/IN/DHCID.py b/source4/scripting/python/samba_external/dnspython/dns/rdtypes/IN/DHCID.py
new file mode 100644 (file)
index 0000000..2d35234
--- /dev/null
+++ b/source4/scripting/python/samba_external/dnspython/dns/rdtypes/IN/DHCID.py
@@ -0,0 +1,60 @@
+# Copyright (C) 2006, 2007, 2009, 2010 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.
+
+import dns.exception
+
+class DHCID(dns.rdata.Rdata):
+    """DHCID record
+
+    @ivar data: the data (the content of the RR is opaque as far as the
+    DNS is concerned)
+    @type data: string
+    @see: RFC 4701"""
+
+    __slots__ = ['data']
+
+    def __init__(self, rdclass, rdtype, data):
+        super(DHCID, self).__init__(rdclass, rdtype)
+        self.data = data
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        return dns.rdata._base64ify(self.data)
+
+    def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
+        chunks = []
+        while 1:
+            t = tok.get().unescape()
+            if t.is_eol_or_eof():
+                break
+            if not t.is_identifier():
+                raise dns.exception.SyntaxError
+            chunks.append(t.value)
+        b64 = ''.join(chunks)
+        data = b64.decode('base64_codec')
+        return cls(rdclass, rdtype, data)
+
+    from_text = classmethod(from_text)
+
+    def to_wire(self, file, compress = None, origin = None):
+        file.write(self.data)
+
+    def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
+        data = wire[current : current + rdlen]
+        return cls(rdclass, rdtype, data)
+
+    from_wire = classmethod(from_wire)
+
+    def _cmp(self, other):
+        return cmp(self.data, other.data)