source: fedd/federation/list_log.py @ 9c2e4e1

#!/usr/local/bin/python

from threading import Lock

class list_log:
    """
    Provide an interface that lets logger.StreamHandler s write to a list
    of strings.
    """
    def __init__(self, l=[]):
        """
        Link to an existing list or just create a log
        """
        self.ll = l
        self.lock = Lock()
    def write(self, str):
        """
        Add the string to the log.  Lock for consistency.
        """
        self.lock.acquire()
        self.ll.append(str)
        self.lock.release()

    def flush(self):
        """
        No-op that StreamHandlers expect
        """
        pass