[Zope3-checkins] CVS: ZODB4/logging - handlers.py:1.2 config.py:1.2

Jeremy Hylton jeremy@zope.com
Wed, 11 Dec 2002 16:17:09 -0500


Update of /cvs-repository/ZODB4/logging
In directory cvs.zope.org:/tmp/cvs-serv29956

Modified Files:
	handlers.py config.py 
Log Message:
Remove windows line endings from CVS repository.


=== ZODB4/logging/handlers.py 1.1 => 1.2 === (1323/1423 lines abridged)
--- ZODB4/logging/handlers.py:1.1	Mon Nov 25 14:25:16 2002
+++ ZODB4/logging/handlers.py	Wed Dec 11 16:17:09 2002
@@ -1,710 +1,710 @@
-#! /usr/bin/env python
-#
-# Copyright 2001-2002 by Vinay Sajip. All Rights Reserved.
-#
-# Permission to use, copy, modify, and distribute this software and its
-# documentation for any purpose and without fee is hereby granted,
-# provided that the above copyright notice appear in all copies and that
-# both that copyright notice and this permission notice appear in
-# supporting documentation, and that the name of Vinay Sajip
-# not be used in advertising or publicity pertaining to distribution
-# of the software without specific, written prior permission.
-# VINAY SAJIP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
-# VINAY SAJIP BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
-# IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
-# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-#
-# For the change history, see README.txt in the distribution.
-#
-# This file is part of the Python logging distribution. See
-# http://www.red-dove.com/python_logging.html
-#
-
-"""
-Logging package for Python. Based on PEP 282 and comments thereto in
-comp.lang.python, and influenced by Apache's log4j system.
-
-Should work under Python versions >= 1.5.2, except that source line
-information is not available unless 'inspect' is.
-
-Copyright (C) 2001-2002 Vinay Sajip. All Rights Reserved.
-
-To use, simply 'import logging' and log away!
-"""
-
-import sys, logging, socket, types, os, string, cPickle, struct
-
-from SocketServer import ThreadingTCPServer, StreamRequestHandler
-
-#
-# Some constants...
-#
-
-DEFAULT_TCP_LOGGING_PORT    = 9020
-DEFAULT_UDP_LOGGING_PORT    = 9021
-DEFAULT_HTTP_LOGGING_PORT   = 9022

[-=- -=- -=- 1323 lines omitted -=- -=- -=-]

+
+class MemoryHandler(BufferingHandler):
+    """
+    A handler class which buffers logging records in memory, periodically
+    flushing them to a target handler. Flushing occurs whenever the buffer
+    is full, or when an event of a certain severity or greater is seen.
+    """
+    def __init__(self, capacity, flushLevel=logging.ERROR, target=None):
+        """
+        Initialize the handler with the buffer size, the level at which
+        flushing should occur and an optional target.
+
+        Note that without a target being set either here or via setTarget(),
+        a MemoryHandler is no use to anyone!
+        """
+        BufferingHandler.__init__(self, capacity)
+        self.flushLevel = flushLevel
+        self.target = target
+
+    def shouldFlush(self, record):
+        """
+        Check for buffer full or a record at the flushLevel or higher.
+        """
+        return (len(self.buffer) >= self.capacity) or \
+                (record.levelno >= self.flushLevel)
+
+    def setTarget(self, target):
+        """
+        Set the target handler for this handler.
+        """
+        self.target = target
+
+    def flush(self):
+        """
+        For a MemoryHandler, flushing means just sending the buffered
+        records to the target, if there is one. Override if you want
+        different behaviour.
+        """
+        if self.target:
+            for record in self.buffer:
+                self.target.handle(record)
+            self.buffer = []
+
+    def close(self):
+        """
+        Flush, set the target to None and lose the buffer.
+        """
+        self.flush()
+        self.target = None
+        self.buffer = []


=== ZODB4/logging/config.py 1.1 => 1.2 === (503/603 lines abridged)
--- ZODB4/logging/config.py:1.1	Mon Nov 25 14:25:16 2002
+++ ZODB4/logging/config.py	Wed Dec 11 16:17:09 2002
@@ -1,300 +1,300 @@
-#! /usr/bin/env python
-#
-# Copyright 2001-2002 by Vinay Sajip. All Rights Reserved.
-#
-# Permission to use, copy, modify, and distribute this software and its
-# documentation for any purpose and without fee is hereby granted,
-# provided that the above copyright notice appear in all copies and that
-# both that copyright notice and this permission notice appear in
-# supporting documentation, and that the name of Vinay Sajip
-# not be used in advertising or publicity pertaining to distribution
-# of the software without specific, written prior permission.
-# VINAY SAJIP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
-# VINAY SAJIP BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
-# IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
-# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-#
-# For the change history, see README.txt in the distribution.
-#
-# This file is part of the Python logging distribution. See
-# http://www.red-dove.com/python_logging.html
-#
-
-"""
-Logging package for Python. Based on PEP 282 and comments thereto in
-comp.lang.python, and influenced by Apache's log4j system.
-
-Should work under Python versions >= 1.5.2, except that source line
-information is not available unless 'inspect' is.
-
-Copyright (C) 2001-2002 Vinay Sajip. All Rights Reserved.
-
-To use, simply 'import logging' and log away!
-"""
-
-import sys, logging, logging.handlers, string, thread, threading, socket, struct, os
-
-from SocketServer import ThreadingTCPServer, StreamRequestHandler
-
-
-DEFAULT_LOGGING_CONFIG_PORT = 9030
-
-#
-#   The following code implements a socket listener for on-the-fly
-#   reconfiguration of logging.
-#

[-=- -=- -=- 503 lines omitted -=- -=- -=-]

+                    if errcode != RESET_ERROR:
+                        raise
+
+    class ConfigSocketReceiver(ThreadingTCPServer):
+        """
+        A simple TCP socket-based logging config receiver.
+        """
+
+        allow_reuse_address = 1
+
+        def __init__(self, host='localhost', port=DEFAULT_LOGGING_CONFIG_PORT,
+                handler=None):
+            ThreadingTCPServer.__init__(self, (host, port), handler)
+            logging._acquireLock()
+            self.abort = 0
+            logging._releaseLock()
+            self.timeout = 1
+
+        def serve_until_stopped(self):
+            import select
+            abort = 0
+            while not abort:
+                rd, wr, ex = select.select([self.socket.fileno()],
+                                           [], [],
+                                           self.timeout)
+                if rd:
+                    self.handle_request()
+                logging._acquireLock()
+                abort = self.abort
+                logging._releaseLock()
+
+    def serve(rcvr, hdlr):
+        server = rcvr(handler=hdlr)
+        global _listener
+        logging._acquireLock()
+        _listener = server
+        logging._releaseLock()
+        server.serve_until_stopped()
+
+    return threading.Thread(target=serve, args=(ConfigSocketReceiver, ConfigStreamHandler))
+
+def stopListening():
+    """
+    Stop the listening server which was created with a call to listen().
+    """
+    if _listener:
+        logging._acquireLock()
+        _listener.abort = 1
+        _listener = None
+        logging._releaseLock()