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-rw-r--r--Lib/logging/__init__.py8
-rw-r--r--Lib/test/test_logging.py43
-rw-r--r--Misc/NEWS2
3 files changed, 51 insertions, 2 deletions
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 0c6a186..995d313 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -973,6 +973,7 @@ class Manager(object):
self.emittedNoHandlerWarning = 0
self.loggerDict = {}
self.loggerClass = None
+ self.logRecordClass = None
def getLogger(self, name):
"""
@@ -1016,6 +1017,13 @@ class Manager(object):
+ klass.__name__)
self.loggerClass = klass
+ def setLogRecordClass(self, cls):
+ """
+ Set the class to be used when instantiating a log record with this
+ Manager.
+ """
+ self.logRecordClass = cls
+
def _fixupParents(self, alogger):
"""
Ensure that there are either loggers or placeholders all the way
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index c5d8bac..ea2ea2e 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -127,7 +127,8 @@ class BaseTest(unittest.TestCase):
except AttributeError:
# StringIO.StringIO lacks a reset() method.
actual_lines = stream.getvalue().splitlines()
- self.assertEquals(len(actual_lines), len(expected_values))
+ self.assertEquals(len(actual_lines), len(expected_values),
+ '%s vs. %s' % (actual_lines, expected_values))
for actual, expected in zip(actual_lines, expected_values):
match = pat.search(actual)
if not match:
@@ -1766,6 +1767,44 @@ class ChildLoggerTest(BaseTest):
self.assertTrue(c2 is c3)
+class DerivedLogRecord(logging.LogRecord):
+ pass
+
+class LogRecordClassTest(BaseTest):
+
+ def setUp(self):
+ class CheckingFilter(logging.Filter):
+ def __init__(self, cls):
+ self.cls = cls
+
+ def filter(self, record):
+ t = type(record)
+ if t is not self.cls:
+ msg = 'Unexpected LogRecord type %s, expected %s' % (t,
+ self.cls)
+ raise TypeError(msg)
+ return True
+
+ BaseTest.setUp(self)
+ self.filter = CheckingFilter(DerivedLogRecord)
+ self.root_logger.addFilter(self.filter)
+ self.orig_cls = logging.getLogRecordClass()
+
+ def tearDown(self):
+ self.root_logger.removeFilter(self.filter)
+ BaseTest.tearDown(self)
+ logging.setLogRecordClass(self.orig_cls)
+
+ def test_logrecord_class(self):
+ self.assertRaises(TypeError, self.root_logger.warning,
+ self.next_message())
+ logging.setLogRecordClass(DerivedLogRecord)
+ self.root_logger.error(self.next_message())
+ self.assert_log_lines([
+ ('root', 'ERROR', '2'),
+ ])
+
+
class QueueHandlerTest(BaseTest):
# Do not bother with a logger name group.
expected_log_pat = r"^[\w.]+ -> ([\w]+): ([\d]+)$"
@@ -1877,7 +1916,7 @@ def test_main():
CustomLevelsAndFiltersTest, MemoryHandlerTest,
ConfigFileTest, SocketHandlerTest, MemoryTest,
EncodingTest, WarningsTest, ConfigDictTest, ManagerTest,
- ChildLoggerTest, QueueHandlerTest,
+ LogRecordClassTest, ChildLoggerTest, QueueHandlerTest,
RotatingFileHandlerTest,
#TimedRotatingFileHandlerTest
)
diff --git a/Misc/NEWS b/Misc/NEWS
index 066c667..1453453 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,8 @@ Core and Builtins
Library
-------
+- logging: Added tests for _logRecordClass changes.
+
- Issue #10092: Properly reset locale in calendar.Locale*Calendar classes.
- logging: Added _logRecordClass, getLogRecordClass, setLogRecordClass to