90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
import logging
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import traceback
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from django.conf import settings
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from django.core import mail
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from django.views.debug import ExceptionReporter, get_exception_reporter_filter
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# Make sure a NullHandler is available
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# This was added in Python 2.7/3.2
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try:
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from logging import NullHandler
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except ImportError:
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class NullHandler(logging.Handler):
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def emit(self, record):
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pass
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# Make sure that dictConfig is available
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# This was added in Python 2.7/3.2
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try:
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from logging.config import dictConfig
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except ImportError:
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from django.utils.dictconfig import dictConfig
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getLogger = logging.getLogger
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# Ensure the creation of the Django logger
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# with a null handler. This ensures we don't get any
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# 'No handlers could be found for logger "django"' messages
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logger = getLogger('django')
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if not logger.handlers:
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logger.addHandler(NullHandler())
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class AdminEmailHandler(logging.Handler):
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"""An exception log handler that emails log entries to site admins.
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If the request is passed as the first argument to the log record,
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request data will be provided in the email report.
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"""
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def __init__(self, include_html=False):
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logging.Handler.__init__(self)
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self.include_html = include_html
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def emit(self, record):
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try:
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request = record.request
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subject = '%s (%s IP): %s' % (
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record.levelname,
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(request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS and 'internal' or 'EXTERNAL'),
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record.msg
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)
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filter = get_exception_reporter_filter(request)
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request_repr = filter.get_request_repr(request)
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except:
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subject = '%s: %s' % (
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record.levelname,
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record.getMessage()
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)
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request = None
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request_repr = "Request repr() unavailable."
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if record.exc_info:
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exc_info = record.exc_info
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stack_trace = '\n'.join(traceback.format_exception(*record.exc_info))
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else:
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exc_info = (None, record.getMessage(), None)
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stack_trace = 'No stack trace available'
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message = "%s\n\n%s" % (stack_trace, request_repr)
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reporter = ExceptionReporter(request, is_email=True, *exc_info)
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html_message = self.include_html and reporter.get_traceback_html() or None
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mail.mail_admins(subject, message, fail_silently=True, html_message=html_message)
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class CallbackFilter(logging.Filter):
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"""
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A logging filter that checks the return value of a given callable (which
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takes the record-to-be-logged as its only parameter) to decide whether to
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log a record.
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"""
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def __init__(self, callback):
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self.callback = callback
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def filter(self, record):
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if self.callback(record):
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return 1
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return 0
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