Charles-François Natali added the comment: The culprint isn't Python, but the libc: """ $ ./python -c "import socket; print(socket.getaddrinfo('836937931829', 80, socket.AF_INET, 0, socket.SOL_TCP))" Traceback (most recent call last): File "<string>", line 1, in <module> socket.gaierror: [Errno -2] Name or service not known """
But with AF_UNSPEC: """ $ ./python -c "import socket; print(socket.getaddrinfo('836937931829', 80, socket.AF_UNSPEC, 0, socket.SOL_TCP))" [(2, 1, 6, '', ('172.17.10.54', 80))] """ And gdb confirms that the arguments are correctly passed to the libc: """ $ gdb --args ./python -c "import socket; print(socket.getaddrinfo('836937931829', 80, socket.AF_INET, 0, socket.SOL_TCP))" Breakpoint 1, __GI_getaddrinfo (name=0xb7cc9c84 "836937931829", service=0xbffff24e "80", hints=0xbffff278, pai=0xbffff274) at ../sysdeps/posix/getaddrinfo.c:2379 (gdb) p *hints $4 = {ai_flags = 0, ai_family = 2, ai_socktype = 0, ai_protocol = 6, ai_addrlen = 0, ai_addr = 0x0, ai_canonname = 0x0, ai_next = 0x0} """ You can also check directly with getaddrinfo(3). ---------- nosy: +neologix _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue20418> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com