[Python-3000] bug in i/o module buffering?

Bill Janssen janssen at parc.com
Sun Oct 28 02:30:30 CET 2007


>From RawIOBase.read().  What's __index__() do?

        b = bytes(n.__index__())

> More interesting is, what's b?
> 
> 2007/10/27, Bill Janssen <janssen at parc.com>:
> > In the following, 'n' is equal to 0 (read from a non-blocking socket).
> > Is this a bug in the I/O module buffering?
> >
> > Bill
> >
> > Traceback (most recent call last):
> >   File "/local/python/3k/src/Lib/SocketServer.py", line 222, in handle_request
> >     self.process_request(request, client_address)
> >   File "/local/python/3k/src/Lib/SocketServer.py", line 241, in process_request
> >     self.finish_request(request, client_address)
> >   File "/local/python/3k/src/Lib/SocketServer.py", line 254, in finish_request
> >     self.RequestHandlerClass(request, client_address, self)
> >   File "/local/python/3k/src/Lib/SocketServer.py", line 522, in __init__
> >     self.handle()
> >   File "/local/python/3k/src/Lib/BaseHTTPServer.py", line 330, in handle
> >     self.handle_one_request()
> >   File "/local/python/3k/src/Lib/BaseHTTPServer.py", line 313, in handle_one_request
> >     self.raw_requestline = self.rfile.readline()
> >   File "/local/python/3k/src/Lib/io.py", line 391, in readline
> >     b = self.read(nreadahead())
> >   File "/local/python/3k/src/Lib/io.py", line 377, in nreadahead
> >     readahead = self.peek(1, unsafe=True)
> >   File "/local/python/3k/src/Lib/io.py", line 778, in peek
> >     current = self.raw.read(to_read)
> >   File "/local/python/3k/src/Lib/io.py", line 455, in read
> >     del b[n:]
> > TypeError: 'slice' object does not support item deletion
> > ----------------------------------------
> >
> > _______________________________________________
> > Python-3000 mailing list
> > Python-3000 at python.org
> > http://mail.python.org/mailman/listinfo/python-3000
> > Unsubscribe: http://mail.python.org/mailman/options/python-3000/guido%40python.org
> >
> 
> 
> -- 
> --Guido van Rossum (home page: http://www.python.org/~guido/)



More information about the Python-3000 mailing list