/usr/lib/python2.7/dist-packages/ADNS.py is in python-adns 1.2.1-5build3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | """High-level interface to adns."""
import adns
from exceptions import Exception
class Error(Exception): pass
class QueryEngine:
callback_submit = None
callback_submit_reverse = None
callback_submit_reverse_any = None
def __init__(self, s=None):
self._s = s or adns.init(adns.iflags.noautosys)
self._queries = {}
def synchronous(self, qname, rr, flags=0):
return self._s.synchronous(qname, rr, flags)
def submit(self, qname, rr, flags=0, callback=None, extra=None):
callback = callback or self.callback_submit
if not callback: raise Error, "callback required"
q = self._s.submit(qname, rr, flags)
self._queries[q] = qname, rr, flags, callback, extra
def submit_reverse(self, qname, rr, flags=0, callback=None, extra=None):
callback = callback or self.callback_submit_reverse
if not callback: raise Error, "callback required"
q = self._s.submit_reverse(qname, rr, flags)
self._queries[q] = qname, rr, flags, callback, extra
def submit_reverse_any(self, qname, rr, flags=0,
callback=None, extra=None):
callback = callback or self.callback_submit_reverse_any
if not callback: raise Error, "callback required"
q = self._s.submit_reverse_any(qname, rr, flags)
self._queries[q] = qname, rr, flags, callback, extra
def cancel(self, query):
query.cancel()
try: del self._queries[query]
except KeyError: pass
def run(self, timeout=0):
for q in self._s.completed(timeout):
answer = q.check()
qname, rr, flags, callback, extra = self._queries[q]
del self._queries[q]
apply(callback, (answer, qname, rr, flags, extra))
def finished(self):
return not len(self._queries)
def finish(self):
while not self.finished():
self.run(1)
def run_max(self, max):
from time import time
quittime = time()+max
while not self.finished() and time()<=quittime:
self.run(1)
def globalsystemfailure(self):
self._s.globalsystemfailure()
self._queries.clear()
init = QueryEngine
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