220.127.116.11 Filter Methods
Passes all data through the filter without any processing.
Reads at most len bytes from the next filter, returning a string
with the data read or None if End Of Stream (EOS) has been reached. A
filter must be closed once the EOS has been encountered.
If the len argument is negative or omitted, reads all data
Reads a line from the next filter or up to length bytes.
Writes string to the next filter.
Flushes the output by sending a FLUSH bucket.
Closes the filter and sends an EOS bucket. Any further IO operations on
this filter will throw an exception.
Tells mod_python to ignore the provided handler and just pass the data
on. Used internally by mod_python to print traceback from exceptions
encountered in filter handlers to avoid an infinite loop.
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