A wrote:
>Hi,
>Is there a way how to find out, from Python , what primary or
>secondary DNS I use when connecting to internet?
>Thanks for help
>Ladislav
>
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def getServersFromOS(self):
if sys.platform in ('win32', 'nt'): return
self.getServersFromWin32()
elif sys.platform == 'posix': return self.getServersFromPosix()
else: return []
def getServersFromWin32(self):
import _winreg
servers = []
x = _winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
try:
y = _winreg.OpenKey(x,
r'SYSTEM\CurrentControlSet\Services\Tcpip\Parameters')
except EnvironmentError: # so it isn't NT/2000/XP
# windows ME, perhaps?
try: # for Windows ME
y = _winreg.OpenKey(x,
r'SYSTEM\CurrentControlSet\Services\VxD\MSTCP')
nameserver = _winreg.QueryValueEx(y, 'NameServer')[0]
if nameserver and not (nameserver in servers):
servers += nameserver.split(',')
except EnvironmentError: pass
return servers
def getServersFromPosix(self):
""""Parses the /etc/resolv.conf file and sets defaults for name
servers""""
lines = open('/etc/resolv.conf').readlines()
servers = []
for line in lines:
line = line.strip()
if not line or line[0] == ';' or line[0] == '#': continue
fields=string.split(line)
if fields[0] == 'domain': defaults['domain'] = fields[1]
elif fields[0] == 'search': pass
elif fields[0] == 'options': pass
elif fields[0] == 'sortlist': pass
elif fields[0] == 'nameserver': servers.append(fields[1])
return servers
GBU
Matthew Sherborne
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