|
| 1 | +import logging |
| 2 | + |
| 3 | +from django.core.management.base import ( |
| 4 | + BaseCommand, |
| 5 | + CommandError, # noqa - to make it on subclasses to import from only one place |
| 6 | +) |
| 7 | +from django.conf import settings |
| 8 | + |
| 9 | + |
| 10 | +class LogBaseCommand(BaseCommand): |
| 11 | + verbosity = 1 |
| 12 | + custom_stdout = False |
| 13 | + custom_stderr = False |
| 14 | + |
| 15 | + def __init__(self, *args, **kwargs): |
| 16 | + super().__init__(*args, **kwargs) |
| 17 | + prefix = getattr(settings, 'LOGBASECOMMAND_PREFIX', None) or __name__ |
| 18 | + self.logger = logging.getLogger(prefix + '.' + self.__module__.split('.')[-1]) |
| 19 | + |
| 20 | + def __handle_custom_std(self, ifstd, std, msg, *args): |
| 21 | + if ifstd: |
| 22 | + std.write(str(msg) if not args else msg % args) |
| 23 | + |
| 24 | + def __custom_stderr(self, msg, *args): |
| 25 | + self.__handle_custom_std(self.custom_stderr, self.stderr, msg, *args) |
| 26 | + |
| 27 | + def __custom_stdout(self, msg, *args): |
| 28 | + self.__handle_custom_std(self.custom_stdout, self.stdout, msg, *args) |
| 29 | + |
| 30 | + def log_debug(self, msg, *args, **kwargs): |
| 31 | + if self.verbosity >= 2: |
| 32 | + self.__custom_stdout(msg, *args) |
| 33 | + return self.logger.debug(msg, *args, **kwargs) |
| 34 | + |
| 35 | + def log(self, msg, *args, **kwargs): |
| 36 | + self.__custom_stdout(msg, *args) |
| 37 | + return self.logger.info(msg, *args, **kwargs) |
| 38 | + |
| 39 | + def log_warning(self, msg, *args, **kwargs): |
| 40 | + self.__custom_stderr(msg, *args) |
| 41 | + return self.logger.warning(msg, *args, **kwargs) |
| 42 | + |
| 43 | + def log_error(self, msg, *args, **kwargs): |
| 44 | + self.__custom_stderr(msg, *args) |
| 45 | + return self.logger.error(msg, *args, **kwargs) |
| 46 | + |
| 47 | + def log_exception(self, msg, *args, **kwargs): |
| 48 | + self.__custom_stderr(msg, *args) |
| 49 | + return self.logger.exception(msg, *args, **kwargs) |
| 50 | + |
| 51 | + def execute(self, *args, **options): |
| 52 | + self.verbosity = options['verbosity'] |
| 53 | + self.logger.setLevel( |
| 54 | + [logging.ERROR, max(self.logger.getEffectiveLevel(), logging.INFO), logging.DEBUG, logging.DEBUG][ |
| 55 | + self.verbosity |
| 56 | + ] |
| 57 | + ) |
| 58 | + |
| 59 | + if options.get('stdout') is not None: |
| 60 | + self.custom_stdout = True |
| 61 | + if options.get('stderr') is not None: |
| 62 | + self.custom_stderr = True |
| 63 | + |
| 64 | + super().execute(*args, **options) |
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