OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	03/31/2022 06:22:38 AM	rwxr-xr-x
📄 __init__.py	3.13 KB	09/08/2017 10:38:36 AM	rw-r--r--
📁 __pycache__	-	03/31/2022 06:22:39 AM	rwxr-xr-x
📄 _buffer.py	1.45 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _file.py	2.43 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _filter.py	6.83 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _flatten.py	4.97 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _format.py	8.22 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _global.py	8.43 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _io.py	4.35 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _json.py	9.83 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _legacy.py	5.11 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _levels.py	3.68 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _logger.py	9.03 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _observer.py	4.87 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _stdlib.py	4.3 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _util.py	1.3 KB	09/08/2017 10:38:36 AM	rw-r--r--
📁 test	-	03/31/2022 06:22:38 AM	rwxr-xr-x

Editing: _buffer.py

# -*- test-case-name: twisted.logger.test.test_buffer -*-
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Log observer that maintains a buffer.
"""

from collections import deque

from zope.interface import implementer

from ._observer import ILogObserver

_DEFAULT_BUFFER_MAXIMUM = 64 * 1024

@implementer(ILogObserver)
class LimitedHistoryLogObserver(object):
    """
    L{ILogObserver} that stores events in a buffer of a fixed size::

>>> from twisted.logger import LimitedHistoryLogObserver
        >>> history = LimitedHistoryLogObserver(5)
        >>> for n in range(10): history({'n': n})
        ...
        >>> repeats = []
        >>> history.replayTo(repeats.append)
        >>> len(repeats)
        5
        >>> repeats
        [{'n': 5}, {'n': 6}, {'n': 7}, {'n': 8}, {'n': 9}]
        >>>
    """

def __init__(self, size=_DEFAULT_BUFFER_MAXIMUM):
        """
        @param size: The maximum number of events to buffer.  If L{None}, the
            buffer is unbounded.
        @type size: L{int}
        """
        self._buffer = deque(maxlen=size)

def __call__(self, event):
        self._buffer.append(event)

def replayTo(self, otherObserver):
        """
        Re-play the buffered events to another log observer.

@param otherObserver: An observer to replay events to.
        @type otherObserver: L{ILogObserver}
        """
        for event in self._buffer:
            otherObserver(event)