pop3.py 文件源码

def __init__(self, write, iterable, memoryBufferSize=None):
        """
        Create a _IteratorBuffer.

        @param write: A one-argument callable which will be invoked with a list
        of strings which have been buffered.

        @param iterable: The source of input strings as any iterable.

        @param memoryBufferSize: The upper limit on buffered string length,
        beyond which the buffer will be flushed to the writer.
        """
        self.lines = []
        self.write = write
        self.iterator = iter(iterable)
        if memoryBufferSize is None:
            memoryBufferSize = 2 ** 16
        self.memoryBufferSize = memoryBufferSize