Package: python2.6-minimal
Version: 2.6.6~rc1-1
Severity: normal
When my Python script calls flush() on a socket that has lost its
connection, it fails with an UnboundLocalError.
This should reproduce it:
import socket
srv_s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
srv_s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
srv_s.bind(("0.0.0.0", 54321))
srv_s.listen(1)
cli_s = 0
cli_f = 0
(cli_s, address) = srv_s.accept()
# At this point, I connect with "nc localhost 54321".
cli_f = cli_s.makefile("w")
cli_f.write('abc\r\ndef\r\n')
cli_f.flush()
# At this point, I terminate nc with C-c.
cli_f.write('qwerty\r\nasdf\r\n')
cli_f.flush() # No problem yet.
cli_f.write('abc\r\ndef\r\n')
cli_f.flush()
# Now it fails saying:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.6/socket.py", line 302, in flush
del view, data # explicit free
UnboundLocalError: local variable 'view' referenced before assignment
This code works fine when run with python2.5 from the
python2.5-minimal package (that is, I get an socket.error with 'Broken
pipe' which would be as expected).
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (900, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=nb_NO.UTF-8, LC_CTYPE=nb_NO.UTF-8 (charmap=UTF-8) (ignored: LC_ALL
set to nb_NO.UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages python2.6-minimal depends on:
ii libc6 2.11.2-2 Embedded GNU C Library: Shared lib
ii libssl0.9.8 0.9.8o-1 SSL shared libraries
ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime
Versions of packages python2.6-minimal recommends:
ii python2.6 2.6.6~rc1-1 An interactive high-level object-o
Versions of packages python2.6-minimal suggests:
ii binfmt-support 1.2.18 Support for extra binary formats
-- no debconf information
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