From 5619873f02a34e29c6366be69306df44fd04cb68 Mon Sep 17 00:00:00 2001
From: Doug MacEachern <dougm@vmware.com>
Date: Mon, 20 Jun 2011 16:53:17 -0700
Subject: [PATCH] expose sigar_version to Python

---
 bindings/python/_sigar.c | 14 ++++++++++++++
 bindings/python/setup.py | 16 +++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/bindings/python/_sigar.c b/bindings/python/_sigar.c
index b1db5458..3d3cf77f 100644
--- a/bindings/python/_sigar.c
+++ b/bindings/python/_sigar.c
@@ -697,10 +697,24 @@ static PyMethodDef pysigar_module_methods[] = {
 #define PY_SIGAR_CONST_STR(name) \
     PyDict_SetItemString(dict, #name, o=PyString_FromString(SIGAR_##name)); Py_DECREF(o)
 
+#define PY_SIGAR_DEFINE_CONST_STR(name, value) \
+    PyDict_SetItemString(dict, name, o=PyString_FromString(value)); Py_DECREF(o)
+
+static void init_pysigar_version(PyObject *dict)
+{
+    PyObject *o;
+    sigar_version_t *sv = sigar_version_get();
+    PY_SIGAR_DEFINE_CONST_STR("BUILD_DATE", sv->build_date);
+    PY_SIGAR_DEFINE_CONST_STR("SCM_REVISION", sv->scm_revision);
+    PY_SIGAR_DEFINE_CONST_STR("VERSION", sv->version);
+}
+
 static void init_pysigar_constants(PyObject *dict)
 {
     PyObject *o;
 
+    init_pysigar_version(dict);
+
     PY_SIGAR_CONST_INT(FIELD_NOTIMPL);
 
     PY_SIGAR_CONST_INT(IFF_UP);
diff --git a/bindings/python/setup.py b/bindings/python/setup.py
index 1123d526..ae724674 100755
--- a/bindings/python/setup.py
+++ b/bindings/python/setup.py
@@ -17,7 +17,9 @@
 #
 
 from distutils.core import setup, Extension
-from os import system, mkdir, path, popen
+from distutils.util import get_platform
+from distutils.sysconfig import get_config_var, get_python_version
+from os import system, mkdir, path, popen, rename
 import sys
 
 build = 'build'
@@ -69,6 +71,18 @@ else :
     print "Inlining libsigar sources"
     src = sargs('inline_src -- ' + build)
     src.append('_sigar.c')
+
+    version_file = "sigar_version.c"
+    build_version_file = build + "/" + version_file
+    libname = "_sigar" + get_config_var("SO")
+    filters = \
+        'ARCHNAME=' + get_platform() + '-' + get_python_version() + ' ' + \
+        'ARCHLIB=' + libname + ' ' + \
+        'BINNAME=' + libname
+    system(options['perl'] + ' -Mlib=.. -MSigarBuild -e version_file ' + filters)
+    rename(version_file, build_version_file)
+    src.append(build_version_file)
+
     cppflags = sargs('cppflags')
     cppflags.append('-Wall')
     _sigar = Extension(