https://github.com/python/cpython/commit/013e659e495796df77aae4d33b67995f979... commit: 013e659e495796df77aae4d33b67995f9793f454 branch: main author: Vinay Sajip <vinay_sajip@yahoo.co.uk> committer: vsajip <vinay_sajip@yahoo.co.uk> date: 2022-08-27T12:13:19+01:00 summary: gh-92007: Handle elevation errors in NTEventLogHandler more grace… (GH-96322) files: M Lib/logging/handlers.py diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py index 3f97862cc37a..b4c5c1304b97 100644 --- a/Lib/logging/handlers.py +++ b/Lib/logging/handlers.py @@ -1111,7 +1111,16 @@ def __init__(self, appname, dllname=None, logtype="Application"): dllname = os.path.join(dllname[0], r'win32service.pyd') self.dllname = dllname self.logtype = logtype - self._welu.AddSourceToRegistry(appname, dllname, logtype) + # Administrative privileges are required to add a source to the registry. + # This may not be available for a user that just wants to add to an + # existing source - handle this specific case. + try: + self._welu.AddSourceToRegistry(appname, dllname, logtype) + except Exception as e: + # This will probably be a pywintypes.error. Only raise if it's not + # an "access denied" error, else let it pass + if getattr(e, 'winerror', None) != 5: # not access denied + raise self.deftype = win32evtlog.EVENTLOG_ERROR_TYPE self.typemap = { logging.DEBUG : win32evtlog.EVENTLOG_INFORMATION_TYPE,