[libvirt] [PATCH 7/7] list: Expose virConnectListAllNetworks to Python binding
Laine Stump
laine at laine.org
Mon Sep 10 16:31:29 UTC 2012
On 09/04/2012 11:55 AM, Osier Yang wrote:
> The implementation is done manually as the generator does not support
> wrapping lists of C pointers into Python objects.
I think Eric already mentioned the idea of teaching the generator about
doing this wrapping automatically.
Lacking this, I'm okay ACKing as-is.
>
> python/libvirt-override-api.xml: Document
>
> python/libvirt-override-virConnect.py: Implement listAllNetworks.
>
> python/libvirt-override.c: Implementation for the wrapper.
> ---
> python/libvirt-override-api.xml | 6 ++++
> python/libvirt-override-virConnect.py | 12 ++++++++
> python/libvirt-override.c | 48 +++++++++++++++++++++++++++++++++
> 3 files changed, 66 insertions(+), 0 deletions(-)
>
> diff --git a/python/libvirt-override-api.xml b/python/libvirt-override-api.xml
> index 8a228fb..5f51fc7 100644
> --- a/python/libvirt-override-api.xml
> +++ b/python/libvirt-override-api.xml
> @@ -37,6 +37,12 @@
> <arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
> <return type='str *' info='the list of Names or None in case of error'/>
> </function>
> + <function name='virConnectListAllNetworks' file='python'>
> + <info>returns list of all networks</info>
> + <arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
> + <arg name='flags' type='unsigned int' info='optional flags'/>
> + <return type='network *' info='the list of networks or None in case of error'/>
> + </function>
> <function name='virDomainLookupByUUID' file='python'>
> <info>Try to lookup a domain on the given hypervisor based on its UUID.</info>
> <return type='virDomainPtr' info='a new domain object or NULL in case of failure'/>
> diff --git a/python/libvirt-override-virConnect.py b/python/libvirt-override-virConnect.py
> index 87a737f..85db5fe 100644
> --- a/python/libvirt-override-virConnect.py
> +++ b/python/libvirt-override-virConnect.py
> @@ -218,3 +218,15 @@
> retlist.append(virStoragePool(self, _obj=poolptr))
>
> return retlist
> +
> + def listAllNetworks(self, flags):
> + """Returns a list of network objects"""
> + ret = libvirtmod.virConnectListAllNetworks(self._o, flags)
> + if ret is None:
> + raise libvirtError("virConnectListAllNetworks() failed", conn=self)
> +
> + retlist = list()
> + for netptr in ret:
> + retlist.append(virNetwork(self, _obj=netptr))
> +
> + return retlist
> diff --git a/python/libvirt-override.c b/python/libvirt-override.c
> index 8b402b0..3426560 100644
> --- a/python/libvirt-override.c
> +++ b/python/libvirt-override.c
> @@ -2594,6 +2594,53 @@ libvirt_virConnectListDefinedNetworks(PyObject *self ATTRIBUTE_UNUSED,
> return py_retval;
> }
>
> +static PyObject *
> +libvirt_virConnectListAllNetworks(PyObject *self ATTRIBUTE_UNUSED,
> + PyObject *args)
> +{
> + PyObject *pyobj_conn;
> + PyObject *py_retval = NULL;
> + PyObject *tmp = NULL;
> + virConnectPtr conn;
> + virNetworkPtr *nets = NULL;
> + int c_retval = 0;
> + int i;
> + unsigned int flags;
> +
> + if (!PyArg_ParseTuple(args, (char *)"Oi:virConnectListAllNetworks",
> + &pyobj_conn, &flags))
> + return NULL;
> + conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
> +
> + LIBVIRT_BEGIN_ALLOW_THREADS;
> + c_retval = virConnectListAllNetworks(conn, &nets, flags);
> + LIBVIRT_END_ALLOW_THREADS;
> + if (c_retval < 0)
> + return VIR_PY_NONE;
> +
> + if (!(py_retval = PyList_New(c_retval)))
> + goto cleanup;
> +
> + for (i = 0; i < c_retval; i++) {
> + if (!(tmp = libvirt_virNetworkPtrWrap(nets[i])) ||
> + PyList_SetItem(py_retval, i, tmp) < 0) {
> + Py_XDECREF(tmp);
> + Py_DECREF(py_retval);
> + py_retval = NULL;
> + goto cleanup;
> + }
> + /* python steals the pointer */
> + nets[i] = NULL;
> + }
> +
> +cleanup:
> + for (i = 0; i < c_retval; i++)
> + if (nets[i])
> + virNetworkFree(nets[i]);
> + VIR_FREE(nets);
> + return py_retval;
> +}
> +
>
> static PyObject *
> libvirt_virNetworkGetUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
> @@ -5943,6 +5990,7 @@ static PyMethodDef libvirtMethods[] = {
> {(char *) "virConnGetLastError", libvirt_virConnGetLastError, METH_VARARGS, NULL},
> {(char *) "virConnectListNetworks", libvirt_virConnectListNetworks, METH_VARARGS, NULL},
> {(char *) "virConnectListDefinedNetworks", libvirt_virConnectListDefinedNetworks, METH_VARARGS, NULL},
> + {(char *) "virConnectListAllNetworks", libvirt_virConnectListAllNetworks, METH_VARARGS, NULL},
> {(char *) "virNetworkGetUUID", libvirt_virNetworkGetUUID, METH_VARARGS, NULL},
> {(char *) "virNetworkGetUUIDString", libvirt_virNetworkGetUUIDString, METH_VARARGS, NULL},
> {(char *) "virNetworkLookupByUUID", libvirt_virNetworkLookupByUUID, METH_VARARGS, NULL},
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