def _iter_log_names(self):
dups = set()
if self._source:
yield self._source.split('/', 1)[0]
return
for well_known in ('Application', 'Security', 'System'):
dups.add(well_known)
yield well_known
key = OpenKeyEx(HKEY_LOCAL_MACHINE,
ur'SYSTEM\CurrentControlSet\Services\EventLog', 0,
KEY_READ)
try:
idx = 0
while idx < self._max_iters:
try:
source = EnumKey(key, idx)
if source in dups:
continue
dups.add(source)
if type(source) == str:
source = source.decode(getdefaultencoding())
yield source
except WindowsError:
break
finally:
idx += 1
finally:
CloseKey(key)
