diff --git a/logging/example_logging.py b/logging/example_logging.py
index 2ba2f1a18..81e3ecad9 100644
--- a/logging/example_logging.py
+++ b/logging/example_logging.py
@@ -1,9 +1,40 @@
+import os
+import time
import logging
+
+def reset_log(log_file):
+ try:
+ os.remove(log_file)
+ except OSError:
+ pass
+
+
+def stress_test(iterations):
+ sample = "All work and no play, makes Jack a dull boy!"
+ log_file = 'file.log'
+ reset_log(log_file)
+ logging.basicConfig(filename=log_file)
+ start_time = time.time()
+ for i in range(iterations):
+ logging.info("%d %s" % (i, sample))
+ file_delta = time.time() - start_time
+ reset_log(log_file)
+
+ logging.basicConfig(filename=None)
+ start_time = time.time()
+ for i in range(iterations):
+ logging.info("%d %s" % (i, sample))
+ stdout_delta = time.time() - start_time
+ print("File logging time %f for %i iterations" % (file_delta, iterations))
+ print("Stdout logging time %f for %i iterations" % (stdout_delta, iterations))
+
+
logging.basicConfig(level=logging.INFO)
log = logging.getLogger("test")
log.debug("Test message: %d(%s)", 100, "foobar")
log.info("Test message2: %d(%s)", 100, "foobar")
+
log.warning("Test message3: %d(%s)")
log.error("Test message4")
log.critical("Test message5")
diff --git a/logging/logging.py b/logging/logging.py
index cea2de031..0cca9ec56 100644
--- a/logging/logging.py
+++ b/logging/logging.py
@@ -38,11 +38,16 @@ def isEnabledFor(self, level):
def log(self, level, msg, *args):
if level >= (self.level or _level):
- _stream.write("%s:%s:" % (self._level_str(level), self.name))
- if not args:
- print(msg, file=_stream)
+ if _log_file:
+ _log_file.write(("%s:%s:" + msg + "\n") % ((self._level_str(level), self.name) + args))
+ _log_file.flush()
else:
- print(msg % args, file=_stream)
+ _stream.write("%s:%s:" % (self._level_str(level), self.name))
+ if not args:
+ print(msg, file=_stream)
+ else:
+ print(msg % args, file=_stream)
+
def debug(self, msg, *args):
self.log(DEBUG, msg, *args)
@@ -69,6 +74,7 @@ def exception(self, msg, *args):
_level = INFO
_loggers = {}
+_log_file = None
def getLogger(name):
if name in _loggers:
@@ -84,11 +90,12 @@ def debug(msg, *args):
getLogger(None).debug(msg, *args)
def basicConfig(level=INFO, filename=None, stream=None, format=None):
- global _level, _stream
+ global _level, _stream, _log_file
_level = level
- if stream:
- _stream = stream
- if filename is not None:
- print("logging.basicConfig: filename arg is not supported")
+ if filename:
+ _log_file = open(filename, 'a')
+ else:
+ if stream:
+ _stream = stream
if format is not None:
print("logging.basicConfig: format arg is not supported")
diff --git a/logging/test_logging.py b/logging/test_logging.py
new file mode 100644
index 000000000..8ff6736a2
--- /dev/null
+++ b/logging/test_logging.py
@@ -0,0 +1,37 @@
+import logging
+import os
+
+
+def reset_log(log_file):
+ try:
+ os.remove(log_file)
+ except OSError:
+ pass
+
+
+def test_basicConfig():
+ print("Testing logging.basicConfig")
+ log_file = 'file.log'
+ log_message = '123'
+
+ reset_log(log_file)
+ logging.basicConfig(filename=log_file)
+ logging.info(log_message)
+
+ with open(log_file, 'r') as logf:
+ assert log_message in logf.read()
+
+ print("Success: Testing logging.basicConfig")
+
+
+tests = [test_basicConfig]
+
+
+def test():
+ print("Running %i tests." % len(tests))
+ for test_function in tests:
+ test_function()
+
+
+if __name__ == '__main__':
+ test()
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