def _config_win32_fromkey(self, key):
"""Extract DNS info from a registry key."""
try:
servers, rtype = _winreg.QueryValueEx(key, 'NameServer')
except WindowsError:
servers = None
if servers:
self._config_win32_nameservers(servers)
try:
dom, rtype = _winreg.QueryValueEx(key, 'Domain')
if dom:
self._config_win32_domain(dom)
except WindowsError:
pass
else:
try:
servers, rtype = _winreg.QueryValueEx(key, 'DhcpNameServer')
except WindowsError:
servers = None
if servers:
self._config_win32_nameservers(servers)
try:
dom, rtype = _winreg.QueryValueEx(key, 'DhcpDomain')
if dom:
self._config_win32_domain(dom)
except WindowsError:
pass
try:
search, rtype = _winreg.QueryValueEx(key, 'SearchList')
except WindowsError:
search = None
if search:
self._config_win32_search(search)
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