pyandroidlogging.py

from android.config import ACTIVITY_CLASS_NAME, SERVICE_CLASS_NAME
from jnius import autoclass
import logging
import os

logger = logging.getLogger('main')  # __name__)
Log = autoclass('android.util.Log')


class AndroidHandler(logging.Handler):
    LEVEL_MAP = {
        logging.DEBUG: Log.DEBUG,
        logging.INFO: Log.INFO,
        logging.WARNING: Log.WARN,
        logging.ERROR: Log.ERROR,
        logging.CRITICAL: Log.ASSERT,
    }

    def __init__(self, tag=None):
        super().__init__()

        if not tag:
            tag = self._get_package_name()
        self.tag = tag

    def emit(self, record):
        try:
            msg = self.format(record)
            priority = self.LEVEL_MAP.get(record.levelno, Log.VERBOSE)
            # tag = f'{self.tag}.{record.name}'
            Log.println(priority, self.tag, msg)
        except:
            self.handleError(record)

    @staticmethod
    def _get_package_name():
        if 'PYTHON_SERVICE_ARGUMENT' in os.environ:
            context = autoclass(SERVICE_CLASS_NAME).mService
        else:
            context = autoclass(ACTIVITY_CLASS_NAME).mActivity
        return context.getPackageName()


handler = AndroidHandler()  # 'org.example.Simple')
logging.basicConfig(level=logging.DEBUG, handlers=[handler],
                    format='%(name)s:%(message)s')

print('print statement')
logger.debug('debug statement')
logger.info('info statement')
logger.warning('warning statement')
logger.error('error statement')
logger.critical('critical statement')

try:
    raise Exception('some failure')
except:
    logger.exception('A failure occurred')