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-rw-r--r--Lib/logging/handlers.py15
1 files changed, 12 insertions, 3 deletions
diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index 02a5fc1283..54bee893e1 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -440,11 +440,11 @@ class WatchedFileHandler(logging.FileHandler):
sres = os.fstat(self.stream.fileno())
self.dev, self.ino = sres[ST_DEV], sres[ST_INO]
- def emit(self, record):
+ def reopenIfNeeded(self):
"""
- Emit a record.
+ Reopen log file if needed.
- First check if the underlying file has changed, and if it
+ Checks if the underlying file has changed, and if it
has, close the old stream and reopen the file to get the
current stream.
"""
@@ -467,6 +467,15 @@ class WatchedFileHandler(logging.FileHandler):
# open a new file handle and get new stat info from that fd
self.stream = self._open()
self._statstream()
+
+ def emit(self, record):
+ """
+ Emit a record.
+
+ If underlying file has changed, reopen the file before emitting the
+ record to it.
+ """
+ self.reopenIfNeeded()
logging.FileHandler.emit(self, record)