give me back my plain-text tracebacks (bug 638109)

Author: Jeff Balogh

lib/admin_log.py

@@ -0,0 +1,89 @@
+"""
+This is from Django utils/log.py 3fe4e7a2~1.
+"""
+import logging
+import sys
+from django.core import mail
+
+# Make sure a NullHandler is available
+# This was added in Python 2.7/3.2
+try:
+    from logging import NullHandler
+except ImportError:
+    class NullHandler(logging.Handler):
+        def emit(self, record):
+            pass
+
+# Make sure that dictConfig is available
+# This was added in Python 2.7/3.2
+try:
+    from logging.config import dictConfig
+except ImportError:
+    from django.utils.dictconfig import dictConfig
+
+if sys.version_info < (2, 5):
+    class LoggerCompat(object):
+        def __init__(self, logger):
+            self._logger = logger
+
+        def __getattr__(self, name):
+            val = getattr(self._logger, name)
+            if callable(val):
+                def _wrapper(*args, **kwargs):
+                    # Python 2.4 logging module doesn't support 'extra' parameter to
+                    # methods of Logger
+                    kwargs.pop('extra', None)
+                    return val(*args, **kwargs)
+                return _wrapper
+            else:
+                return val
+
+    def getLogger(name=None):
+        return LoggerCompat(logging.getLogger(name=name))
+else:
+    getLogger = logging.getLogger
+
+# Ensure the creation of the Django logger
+# with a null handler. This ensures we don't get any
+# 'No handlers could be found for logger "django"' messages
+logger = getLogger('django')
+if not logger.handlers:
+    logger.addHandler(NullHandler())
+
+class AdminEmailHandler(logging.Handler):
+    """An exception log handler that emails log entries to site admins
+
+    If the request is passed as the first argument to the log record,
+    request data will be provided in the
+    """
+    def emit(self, record):
+        import traceback
+        from django.conf import settings
+
+        try:
+            if sys.version_info < (2,5):
+                # A nasty workaround required because Python 2.4's logging
+                # module doesn't support passing in extra context.
+                # For this handler, the only extra data we need is the
+                # request, and that's in the top stack frame.
+                request = record.exc_info[2].tb_frame.f_locals['request']
+            else:
+                request = record.request
+
+            subject = '%s (%s IP): %s' % (
+                record.levelname,
+                (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS and 'internal' or 'EXTERNAL'),
+                request.path
+            )
+            request_repr = repr(request)
+        except:
+            subject = 'Error: Unknown URL'
+            request_repr = "Request repr() unavailable"
+
+        if record.exc_info:
+            stack_trace = '\n'.join(traceback.format_exception(*record.exc_info))
+        else:
+            stack_trace = 'No stack trace available'
+
+        message = "%s\n\n%s" % (stack_trace, request_repr)
+        mail.mail_admins(subject, message, fail_silently=True)

log_settings.py

@@ -58,7 +58,7 @@ def emit(self, record):
         },
         'mail_admins': {
             'level': 'ERROR',
-            'class': 'django.utils.log.AdminEmailHandler'
+            'class': 'admin_log.AdminEmailHandler'
         },
     },
     'loggers': {