En Wed, 02 Apr 2008 10:52:08 -0300, nnp <[EMAIL PROTECTED]> escribió:
> Basically I have a system where component 1, 2 and 3 communicate with > each > other using two Python Queues, we'll call them R and W. Here is what is > happening > > 1 writes data to W and reads from R > 2 reads data from W and writes data it receives from 3 to R (but not > data it > receives from 1) > 3 writes to W > > The problem is that data being written by 1 to W is appearing back on R. > I > have verified that 1 never writes to R and that 2 never writes data it > receives from 1 to R, by overwriting the put() and put_nowait() methods > of > R. > > Is there any other way for data to get onto a queue or are there any > known > bugs with Python's Queue module that could lead to this kind of > behaviour? Yes, your own code :) Perhaps you put mutable objects into the queue, like a list? and later modify the list in another place? -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
