Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/names/tap.py

-# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-
-"""
-Domain Name Server
-"""
-
-import os, traceback
-
-from twisted.python import usage
-from twisted.names import dns
-from twisted.application import internet, service
-
-from twisted.names import server
-from twisted.names import authority
-from twisted.names import secondary
-
-class Options(usage.Options):
-    optParameters = [
-        ["interface", "i", "",   "The interface to which to bind"],
-        ["port",      "p", "53", "The port on which to listen"],
-        ["resolv-conf", None, None,
-            "Override location of resolv.conf (implies --recursive)"],
-        ["hosts-file", None, None, "Perform lookups with a hosts file"],
-    ]
-
-    optFlags = [
-        ["cache",       "c", "Enable record caching"],
-        ["recursive",   "r", "Perform recursive lookups"],
-        ["verbose",     "v", "Log verbosely"],
-    ]
-
-    zones = None
-    zonefiles = None
-
-    def __init__(self):
-        usage.Options.__init__(self)
-        self['verbose'] = 0
-        self.bindfiles = []
-        self.zonefiles = []
-        self.secondaries = []
-
-
-    def opt_pyzone(self, filename):
-        """Specify the filename of a Python syntax zone definition"""
-        if not os.path.exists(filename):
-            raise usage.UsageError(filename + ": No such file")
-        self.zonefiles.append(filename)
-
-    def opt_bindzone(self, filename):
-        """Specify the filename of a BIND9 syntax zone definition"""
-        if not os.path.exists(filename):
-            raise usage.UsageError(filename + ": No such file")
-        self.bindfiles.append(filename)
-
-
-    def opt_secondary(self, ip_domain):
-        """Act as secondary for the specified domain, performing
-        zone transfers from the specified IP (IP/domain)
-        """
-        args = ip_domain.split('/', 1)
-        if len(args) != 2:
-            raise usage.UsageError("Argument must be of the form IP/domain")
-        self.secondaries.append((args[0], [args[1]]))
-
-    def opt_verbose(self):
-        """Increment verbosity level"""
-        self['verbose'] += 1
-
-
-    def postOptions(self):
-        if self['resolv-conf']:
-            self['recursive'] = True
-
-        self.svcs = []
-        self.zones = []
-        for f in self.zonefiles:
-            try:
-                self.zones.append(authority.PySourceAuthority(f))
-            except Exception, e:
-                traceback.print_exc()
-                raise usage.UsageError("Invalid syntax in " + f)
-        for f in self.bindfiles:
-            try:
-                self.zones.append(authority.BindAuthority(f))
-            except Exception, e:
-                traceback.print_exc()
-                raise usage.UsageError("Invalid syntax in " + f)
-        for f in self.secondaries:
-            self.svcs.append(secondary.SecondaryAuthorityService(*f))
-            self.zones.append(self.svcs[-1].getAuthority())
-        try:
-            self['port'] = int(self['port'])
-        except ValueError:
-            raise usage.UsageError("Invalid port: %r" % (self['port'],))
-
-
-def makeService(config):
-    import client, cache, hosts
-
-    ca, cl = [], []
-    if config['cache']:
-        ca.append(cache.CacheResolver(verbose=config['verbose']))
-    if config['recursive']:
-        cl.append(client.createResolver(resolvconf=config['resolv-conf']))
-    if config['hosts-file']:
-        cl.append(hosts.Resolver(file=config['hosts-file']))
-
-    f = server.DNSServerFactory(config.zones, ca, cl, config['verbose'])
-    p = dns.DNSDatagramProtocol(f)
-    f.noisy = 0
-    ret = service.MultiService()
-    for (klass, arg) in [(internet.TCPServer, f), (internet.UDPServer, p)]:
-        s = klass(config['port'], arg, interface=config['interface'])
-        s.setServiceParent(ret)
-    for svc in config.svcs:
-        svc.setServiceParent(ret)
-    return ret