Handle errors which occur during an emit() call. This method should be called from handlers when an exception is encountered during an emit() call. If raiseExceptions is false, exceptions get silently ignored. This is what is mostly wanted for a logging syst
(self, record)
| 1058 | del _handlers[self._name] |
| 1059 | |
| 1060 | def handleError(self, record): |
| 1061 | """ |
| 1062 | Handle errors which occur during an emit() call. |
| 1063 | |
| 1064 | This method should be called from handlers when an exception is |
| 1065 | encountered during an emit() call. If raiseExceptions is false, |
| 1066 | exceptions get silently ignored. This is what is mostly wanted |
| 1067 | for a logging system - most users will not care about errors in |
| 1068 | the logging system, they are more interested in application errors. |
| 1069 | You could, however, replace this with a custom handler if you wish. |
| 1070 | The record which was being processed is passed in to this method. |
| 1071 | """ |
| 1072 | if raiseExceptions and sys.stderr: # see issue 13807 |
| 1073 | exc = sys.exception() |
| 1074 | try: |
| 1075 | sys.stderr.write('--- Logging error ---\n') |
| 1076 | traceback.print_exception(exc, limit=None, file=sys.stderr) |
| 1077 | sys.stderr.write('Call stack:\n') |
| 1078 | # Walk the stack frame up until we're out of logging, |
| 1079 | # so as to print the calling context. |
| 1080 | frame = exc.__traceback__.tb_frame |
| 1081 | while (frame and os.path.dirname(frame.f_code.co_filename) == |
| 1082 | __path__[0]): |
| 1083 | frame = frame.f_back |
| 1084 | if frame: |
| 1085 | traceback.print_stack(frame, file=sys.stderr) |
| 1086 | else: |
| 1087 | # couldn't find the right stack frame, for some reason |
| 1088 | sys.stderr.write('Logged from file %s, line %s\n' % ( |
| 1089 | record.filename, record.lineno)) |
| 1090 | # Issue 18671: output logging message and arguments |
| 1091 | try: |
| 1092 | sys.stderr.write('Message: %r\n' |
| 1093 | 'Arguments: %s\n' % (record.msg, |
| 1094 | record.args)) |
| 1095 | except RecursionError: # See issue 36272 |
| 1096 | raise |
| 1097 | except Exception: |
| 1098 | sys.stderr.write('Unable to print the message and arguments' |
| 1099 | ' - possible formatting error.\nUse the' |
| 1100 | ' traceback above to help find the error.\n' |
| 1101 | ) |
| 1102 | except OSError: #pragma: no cover |
| 1103 | pass # see issue 5971 |
| 1104 | finally: |
| 1105 | del exc |
| 1106 | |
| 1107 | def __repr__(self): |
| 1108 | level = getLevelName(self.level) |
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