$ python Python 2.4.4 (#1, Oct 23 2006, 13:58:18) [GCC 4.1.1 20061011 (Red Hat 4.1.1-30)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import libvirt; >>> libvirt.getVersion (None); (2002, 3000001) >>> libvirt.getVersion ("QEMU"); (2002, 2002)
It also gives you a way to detect if a particular driver is compiled in, which I guess could be quite useful:
>>> libvirt.getVersion ("not_here"); libvir: error : no support for hypervisor Traceback (most recent call last): File "<stdin>", line 1, in ?File "/home/rjones/local/lib/python2.4/site-packages/libvirt.py", line 95, in getVersion
if ret is None: raise libvirtError ("virGetVersion() failed") libvirt.libvirtError: virGetVersion() failed no support for hypervisor Rich. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903
Index: python/generator.py =================================================================== RCS file: /data/cvs/libvirt/python/generator.py,v retrieving revision 1.20 diff -u -r1.20 generator.py --- python/generator.py 16 Apr 2007 12:37:59 -0000 1.20 +++ python/generator.py 23 May 2007 14:54:53 -0000 @@ -287,6 +287,8 @@ return 1 if name == "vshRunConsole": return 1 + if name == "virGetVersion": + return 1 return 0 def print_function_wrapper(name, output, export, include): Index: python/libvir.c =================================================================== RCS file: /data/cvs/libvirt/python/libvir.c,v retrieving revision 1.21 diff -u -r1.21 libvir.c --- python/libvir.c 10 Apr 2007 23:15:58 -0000 1.21 +++ python/libvir.c 23 May 2007 14:54:53 -0000 @@ -179,6 +179,26 @@ ************************************************************************/ static PyObject * +libvirt_virGetVersion (PyObject *self ATTRIBUTE_UNUSED, PyObject *args) +{ + char *type; + unsigned long libVer, typeVer; + int c_retval; + + if (!PyArg_ParseTuple (args, (char *) "z", &type)) + return NULL; + + LIBVIRT_BEGIN_ALLOW_THREADS; + c_retval = virGetVersion (&libVer, type, &typeVer); + LIBVIRT_END_ALLOW_THREADS; + if (c_retval == -1) { + Py_INCREF(Py_None); + return (Py_None); + } + return Py_BuildValue ((char *) "kk", libVer, typeVer); +} + +static PyObject * libvirt_virDomainFree(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) { PyObject *py_retval; int c_retval; @@ -628,6 +648,7 @@ ************************************************************************/ static PyMethodDef libvirtMethods[] = { #include "libvirt-export.c" + {(char *) "virGetVersion", libvirt_virGetVersion, METH_VARARGS, NULL}, {(char *) "virDomainFree", libvirt_virDomainFree, METH_VARARGS, NULL}, {(char *) "virConnectClose", libvirt_virConnectClose, METH_VARARGS, NULL}, {(char *) "virConnectListDomainsID", libvirt_virConnectListDomainsID, METH_VARARGS, NULL}, @@ -664,3 +685,17 @@ initialized = 1; } + +/* + * vim: set tabstop=4: + * vim: set shiftwidth=4: + * vim: set expandtab: + */ +/* + * Local variables: + * indent-tabs-mode: nil + * c-indent-level: 4 + * c-basic-offset: 4 + * tab-width: 4 + * End: + */ Index: python/libvir.py =================================================================== RCS file: /data/cvs/libvirt/python/libvir.py,v retrieving revision 1.4 diff -u -r1.4 libvir.py --- python/libvir.py 16 Apr 2007 12:37:59 -0000 1.4 +++ python/libvir.py 23 May 2007 14:54:53 -0000 @@ -83,6 +83,19 @@ Returns 1 in case of success.""" return libvirtmod.virRegisterErrorHandler(f,ctx) +# +# Return library version. +# +def getVersion (name): + """Return a tuple containing the version of the library and + a version of the driver with the given name. If the name + passed is None then the version of the Xen driver is given, + if it exists. Versions are 1000000*major + 1000*minor + release.""" + ret = libvirtmod.virGetVersion (name); + if ret is None: raise libvirtError ("virGetVersion() failed") + return ret + + # WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING # # Everything before this line comes from libvir.py
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