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PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.

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This commit is contained in:
Antoine Pitrou 2011-10-12 02:54:14 +02:00
parent 983b1434bd
commit 6b4883dec0
21 changed files with 689 additions and 454 deletions
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116
Modules/socketmodule.c
View file

@ -457,7 +457,6 @@ dup_socket(SOCKET handle)
/* Global variable holding the exception type for errors detected
by this module (but not argument type or memory errors, etc.). */
static PyObject *socket_error;
static PyObject *socket_herror;
static PyObject *socket_gaierror;
static PyObject *socket_timeout;
@ -498,7 +497,7 @@ static PyTypeObject sock_type;
static PyObject*
select_error(void)
{
PyErr_SetString(socket_error, "unable to select on socket");
PyErr_SetString(PyExc_OSError, "unable to select on socket");
return NULL;
}
@ -525,7 +524,7 @@ set_error(void)
recognizes the error codes used by both GetLastError() and
WSAGetLastError */
if (err_no)
return PyErr_SetExcFromWindowsErr(socket_error, err_no);
return PyErr_SetExcFromWindowsErr(PyExc_OSError, err_no);
#endif
#if defined(PYOS_OS2) && !defined(PYCC_GCC)
@ -556,7 +555,7 @@ set_error(void)
}
v = Py_BuildValue("(is)", myerrorcode, outbuf);
if (v != NULL) {
PyErr_SetObject(socket_error, v);
PyErr_SetObject(PyExc_OSError, v);
Py_DECREF(v);
}
return NULL;
@ -564,7 +563,7 @@ set_error(void)
}
#endif
return PyErr_SetFromErrno(socket_error);
return PyErr_SetFromErrno(PyExc_OSError);
}
@ -883,13 +882,13 @@ setipaddr(char *name, struct sockaddr *addr_ret, size_t addr_ret_size, int af)
#endif
default:
freeaddrinfo(res);
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"unsupported address family");
return -1;
}
if (res->ai_next) {
freeaddrinfo(res);
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"wildcard resolved to multiple address");
return -1;
}
@ -902,7 +901,7 @@ setipaddr(char *name, struct sockaddr *addr_ret, size_t addr_ret_size, int af)
if (name[0] == '<' && strcmp(name, "<broadcast>") == 0) {
struct sockaddr_in *sin;
if (af != AF_INET && af != AF_UNSPEC) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"address family mismatched");
return -1;
}
@ -960,7 +959,7 @@ setipaddr(char *name, struct sockaddr *addr_ret, size_t addr_ret_size, int af)
return 16;
#endif
default:
PyErr_SetString(socket_error, "unknown address family");
PyErr_SetString(PyExc_OSError, "unknown address family");
return -1;
}
}
@ -1009,7 +1008,7 @@ setbdaddr(char *name, bdaddr_t *bdaddr)
bdaddr->b[5] = b5;
return 6;
} else {
PyErr_SetString(socket_error, "bad bluetooth address");
PyErr_SetString(PyExc_OSError, "bad bluetooth address");
return -1;
}
}
@ -1278,7 +1277,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
if (len > 0 && path[0] == 0) {
/* Linux abstract namespace extension */
if (len > sizeof addr->sun_path) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"AF_UNIX path too long");
return 0;
}
@ -1288,7 +1287,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
{
/* regular NULL-terminated string */
if (len >= sizeof addr->sun_path) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"AF_UNIX path too long");
return 0;
}
@ -1418,7 +1417,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
_BT_L2_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyArg_ParseTuple(args, "si", &straddr,
&_BT_L2_MEMB(addr, psm))) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1437,7 +1436,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
_BT_RC_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyArg_ParseTuple(args, "si", &straddr,
&_BT_RC_MEMB(addr, channel))) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1455,7 +1454,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
_BT_HCI_MEMB(addr, family) = AF_BLUETOOTH;
if (straddr == NULL) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1464,7 +1463,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
#else
_BT_HCI_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyArg_ParseTuple(args, "i", &_BT_HCI_MEMB(addr, dev))) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1481,7 +1480,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
addr = (struct sockaddr_sco *)addr_ret;
_BT_SCO_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyBytes_Check(args)) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1494,7 +1493,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
}
#endif
default:
PyErr_SetString(socket_error, "getsockaddrarg: unknown Bluetooth protocol");
PyErr_SetString(PyExc_OSError, "getsockaddrarg: unknown Bluetooth protocol");
return 0;
}
}
@ -1633,7 +1632,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
return 0;
}
} else {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"AF_CAN interface name too long");
Py_DECREF(interfaceName);
return 0;
@ -1647,7 +1646,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
return 1;
}
default:
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"getsockaddrarg: unsupported CAN protocol");
return 0;
}
@ -1656,7 +1655,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
/* More cases here... */
default:
PyErr_SetString(socket_error, "getsockaddrarg: bad family");
PyErr_SetString(PyExc_OSError, "getsockaddrarg: bad family");
return 0;
}
@ -1722,7 +1721,7 @@ getsockaddrlen(PySocketSockObject *s, socklen_t *len_ret)
return 1;
#endif
default:
PyErr_SetString(socket_error, "getsockaddrlen: "
PyErr_SetString(PyExc_OSError, "getsockaddrlen: "
"unknown BT protocol");
return 0;
@ -1757,7 +1756,7 @@ getsockaddrlen(PySocketSockObject *s, socklen_t *len_ret)
/* More cases here... */
default:
PyErr_SetString(socket_error, "getsockaddrlen: bad family");
PyErr_SetString(PyExc_OSError, "getsockaddrlen: bad family");
return 0;
}
@ -2098,7 +2097,7 @@ sock_getsockopt(PySocketSockObject *s, PyObject *args)
#else
if (buflen <= 0 || buflen > 1024) {
#endif
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"getsockopt buflen out of range");
return NULL;
}
@ -2926,7 +2925,7 @@ sock_recvmsg_guts(PySocketSockObject *s, struct iovec *iov, int iovlen,
if (cmsg_status < 0)
break;
if (cmsgdatalen > PY_SSIZE_T_MAX) {
PyErr_SetString(socket_error, "control message too long");
PyErr_SetString(PyExc_OSError, "control message too long");
goto err_closefds;
}
@ -3087,7 +3086,7 @@ sock_recvmsg_into(PySocketSockObject *s, PyObject *args)
return NULL;
nitems = PySequence_Fast_GET_SIZE(fast);
if (nitems > INT_MAX) {
PyErr_SetString(socket_error, "recvmsg_into() argument 1 is too long");
PyErr_SetString(PyExc_OSError, "recvmsg_into() argument 1 is too long");
goto finally;
}
@ -3394,7 +3393,7 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
goto finally;
ndataparts = PySequence_Fast_GET_SIZE(data_fast);
if (ndataparts > INT_MAX) {
PyErr_SetString(socket_error, "sendmsg() argument 1 is too long");
PyErr_SetString(PyExc_OSError, "sendmsg() argument 1 is too long");
goto finally;
}
msg.msg_iovlen = ndataparts;
@ -3426,7 +3425,7 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
#ifndef CMSG_SPACE
if (ncmsgs > 1) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"sending multiple control messages is not supported "
"on this system");
goto finally;
@ -3455,12 +3454,12 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
#else
if (!get_CMSG_LEN(bufsize, &space)) {
#endif
PyErr_SetString(socket_error, "ancillary data item too large");
PyErr_SetString(PyExc_OSError, "ancillary data item too large");
goto finally;
}
controllen += space;
if (controllen > SOCKLEN_T_LIMIT || controllen < controllen_last) {
PyErr_SetString(socket_error, "too much ancillary data");
PyErr_SetString(PyExc_OSError, "too much ancillary data");
goto finally;
}
controllen_last = controllen;
@ -4000,7 +3999,7 @@ gethost_common(struct hostent *h, struct sockaddr *addr, int alen, int af)
if (h->h_addrtype != af) {
/* Let's get real error message to return */
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
(char *)strerror(EAFNOSUPPORT));
return NULL;
@ -4085,7 +4084,7 @@ gethost_common(struct hostent *h, struct sockaddr *addr, int alen, int af)
#endif
default: /* can't happen */
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"unsupported address family");
return NULL;
}
@ -4239,7 +4238,7 @@ socket_gethostbyaddr(PyObject *self, PyObject *args)
break;
#endif
default:
PyErr_SetString(socket_error, "unsupported address family");
PyErr_SetString(PyExc_OSError, "unsupported address family");
goto finally;
}
Py_BEGIN_ALLOW_THREADS
@ -4295,7 +4294,7 @@ socket_getservbyname(PyObject *self, PyObject *args)
sp = getservbyname(name, proto);
Py_END_ALLOW_THREADS
if (sp == NULL) {
PyErr_SetString(socket_error, "service/proto not found");
PyErr_SetString(PyExc_OSError, "service/proto not found");
return NULL;
}
return PyLong_FromLong((long) ntohs(sp->s_port));
@ -4332,7 +4331,7 @@ socket_getservbyport(PyObject *self, PyObject *args)
sp = getservbyport(htons((short)port), proto);
Py_END_ALLOW_THREADS
if (sp == NULL) {
PyErr_SetString(socket_error, "port/proto not found");
PyErr_SetString(PyExc_OSError, "port/proto not found");
return NULL;
}
return PyUnicode_FromString(sp->s_name);
@ -4361,7 +4360,7 @@ socket_getprotobyname(PyObject *self, PyObject *args)
sp = getprotobyname(name);
Py_END_ALLOW_THREADS
if (sp == NULL) {
PyErr_SetString(socket_error, "protocol not found");
PyErr_SetString(PyExc_OSError, "protocol not found");
return NULL;
}
return PyLong_FromLong((long) sp->p_proto);
@ -4616,7 +4615,7 @@ socket_inet_aton(PyObject *self, PyObject *args)
return PyBytes_FromStringAndSize((char *)(&buf),
sizeof(buf));
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"illegal IP address string passed to inet_aton");
return NULL;
@ -4637,7 +4636,7 @@ socket_inet_aton(PyObject *self, PyObject *args)
packed_addr = inet_addr(ip_addr);
if (packed_addr == INADDR_NONE) { /* invalid address */
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"illegal IP address string passed to inet_aton");
return NULL;
}
@ -4669,7 +4668,7 @@ socket_inet_ntoa(PyObject *self, PyObject *args)
}
if (addr_len != sizeof(packed_addr)) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"packed IP wrong length for inet_ntoa");
return NULL;
}
@ -4704,7 +4703,7 @@ socket_inet_pton(PyObject *self, PyObject *args)
#if !defined(ENABLE_IPV6) && defined(AF_INET6)
if(af == AF_INET6) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"can't use AF_INET6, IPv6 is disabled");
return NULL;
}
@ -4712,10 +4711,10 @@ socket_inet_pton(PyObject *self, PyObject *args)
retval = inet_pton(af, ip, packed);
if (retval < 0) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
} else if (retval == 0) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"illegal IP address string passed to inet_pton");
return NULL;
} else if (af == AF_INET) {
@ -4727,7 +4726,7 @@ socket_inet_pton(PyObject *self, PyObject *args)
sizeof(struct in6_addr));
#endif
} else {
PyErr_SetString(socket_error, "unknown address family");
PyErr_SetString(PyExc_OSError, "unknown address family");
return NULL;
}
}
@ -4779,7 +4778,7 @@ socket_inet_ntop(PyObject *self, PyObject *args)
retval = inet_ntop(af, packed, ip, sizeof(ip));
if (!retval) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
} else {
return PyUnicode_FromString(retval);
@ -4850,7 +4849,7 @@ socket_getaddrinfo(PyObject *self, PyObject *args, PyObject* kwargs)
} else if (pobj == Py_None) {
pptr = (char *)NULL;
} else {
PyErr_SetString(socket_error, "Int or String expected");
PyErr_SetString(PyExc_OSError, "Int or String expected");
goto err;
}
memset(&hints, 0, sizeof(hints));
@ -4947,7 +4946,7 @@ socket_getnameinfo(PyObject *self, PyObject *args)
goto fail;
}
if (res->ai_next) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"sockaddr resolved to multiple addresses");
goto fail;
}
@ -4955,7 +4954,7 @@ socket_getnameinfo(PyObject *self, PyObject *args)
case AF_INET:
{
if (PyTuple_GET_SIZE(sa) != 2) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"IPv4 sockaddr must be 2 tuple");
goto fail;
}
@ -5054,7 +5053,7 @@ socket_if_nameindex(PyObject *self, PyObject *arg)
ni = if_nameindex();
if (ni == NULL) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@ -5100,7 +5099,7 @@ socket_if_nametoindex(PyObject *self, PyObject *args)
Py_DECREF(oname);
if (index == 0) {
/* if_nametoindex() doesn't set errno */
PyErr_SetString(socket_error, "no interface with this name");
PyErr_SetString(PyExc_OSError, "no interface with this name");
return NULL;
}
@ -5123,7 +5122,7 @@ socket_if_indextoname(PyObject *self, PyObject *arg)
return NULL;
if (if_indextoname(index, name) == NULL) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@ -5403,27 +5402,24 @@ PyInit__socket(void)
if (m == NULL)
return NULL;
socket_error = PyErr_NewException("socket.error",
PyExc_IOError, NULL);
if (socket_error == NULL)
return NULL;
PySocketModuleAPI.error = socket_error;
Py_INCREF(socket_error);
PyModule_AddObject(m, "error", socket_error);
Py_INCREF(PyExc_OSError);
PySocketModuleAPI.error = PyExc_OSError;
Py_INCREF(PyExc_OSError);
PyModule_AddObject(m, "error", PyExc_OSError);
socket_herror = PyErr_NewException("socket.herror",
socket_error, NULL);
PyExc_OSError, NULL);
if (socket_herror == NULL)
return NULL;
Py_INCREF(socket_herror);
PyModule_AddObject(m, "herror", socket_herror);
socket_gaierror = PyErr_NewException("socket.gaierror", socket_error,
socket_gaierror = PyErr_NewException("socket.gaierror", PyExc_OSError,
NULL);
if (socket_gaierror == NULL)
return NULL;
Py_INCREF(socket_gaierror);
PyModule_AddObject(m, "gaierror", socket_gaierror);
socket_timeout = PyErr_NewException("socket.timeout",
socket_error, NULL);
PyExc_OSError, NULL);
if (socket_timeout == NULL)
return NULL;
PySocketModuleAPI.timeout_error = socket_timeout;