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# $Id$
import xml.sax
def snarf(obj, attrs, key, func=None):
"""
Utility function to consolidate the steps needed to extract a field
from the SAX XML parse and insert it as an object attribute of the
same name.
"""
try:
val = attrs.getValue(key).encode("ascii")
if func:
val = func(val)
except KeyError:
val = None
setattr(obj, key, val)
class handler(xml.sax.handler.ContentHandler):
"""
SAX handler for RPKI protocols. Handles a few tasks
common to all of these protocols, needs to be subtyped
to handle protocol-specific details.
"""
def __init__(self):
self.text = ""
self.obj = None
def startElementNS(self, name, qname, attrs):
return self.startElement(name[1], attrs)
def endElementNS(self, name, qname):
return self.endElement(name[1])
def characters(self, content):
self.text += content
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