[Kimchi-devel] [PATCH 1/2] config version API support: add a method to get kimchi version

[shaohef at linux.vnet.ibm.com]

From: ShaoHe Feng <shaohef at linux.vnet.ibm.com>

add a method to get kimchi version in config.py

If kimchi run after package install, just get the version.
Or get the build nubmer.

Signed-off-by: ShaoHe Feng <shaohef at linux.vnet.ibm.com>
---
 src/kimchi/Makefile.am  |  4 +++-
 src/kimchi/config.py.in | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/src/kimchi/Makefile.am b/src/kimchi/Makefile.am
index 957d2c9..e2b5bea 100644
--- a/src/kimchi/Makefile.am
+++ b/src/kimchi/Makefile.am
@@ -41,7 +41,9 @@ do_substitution = \
 	-e 's,[@]sysconfdir[@],$(sysconfdir),g'         \
 	-e 's,[@]localstatedir[@],$(localstatedir),g'   \
 	-e 's,[@]pkgdatadir[@],$(pkgdatadir),g'         \
-	-e 's,[@]kimchidir[@],$(kimchidir),g'
+	-e 's,[@]kimchidir[@],$(kimchidir),g'           \
+	-e 's,[@]kimchiversion[@],$(PACKAGE_VERSION),g' \
+	-e 's,[@]kimchirelease[@],$(PACKAGE_RELEASE),g'
 
 
 config.py: config.py.in Makefile
diff --git a/src/kimchi/config.py.in b/src/kimchi/config.py.in
index 04218c2..a260885 100644
--- a/src/kimchi/config.py.in
+++ b/src/kimchi/config.py.in
@@ -21,6 +21,7 @@
 import libvirt
 import os
 import platform
+import subprocess
 import threading
 
 
@@ -29,6 +30,8 @@ from ConfigParser import SafeConfigParser
 
 from kimchi.xmlutils import xpath_get_text
 
+__version__ = "@kimchiversion@"
+__release__ = "@kimchirelease@"
 
 DEFAULT_LOG_LEVEL = "debug"
 
@@ -54,6 +57,50 @@ def get_debugreports_path():
     return os.path.join(paths.state_dir, 'debugreports')
 
 
+def check_in_source_directory():
+    if __file__.startswith("/"):
+        base = os.path.dirname(__file__)
+    else:
+        base = os.path.dirname('./%s' % __file__)
+
+    if os.access('%s/../../src/kimchi/config.py' % base, os.F_OK):
+        return True
+
+    return False
+
+
+def check_in_packaged_directory():
+    # FIXME
+    # 1. We can not guarantee only one kimchid is running at the same time.
+    # Maybe a kimchid by make install is running, another kimchid by package
+    # isntall is also running with different http/https port and directory.
+    # 2. Even kimchid is installed by package, we can still stop it, and run
+    # kimchid in make install directory
+    try:
+        cmd = ["rpm", "-qa", "kimchi"]
+        proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+                                stderr=subprocess.PIPE)
+        out, error = proc.communicate()
+        if out != "" and proc.returncode == 0:
+            return True
+    except OSError:
+        cmd = ["dpkg", "--get-selections", "kimchi"]
+        proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+                                stderr=subprocess.PIPE)
+        out, error = proc.communicate()
+        if "install" in out and proc.returncode == 0:
+            return True
+
+    return False
+
+
+def get_version():
+    if check_in_source_directory() or not check_in_packaged_directory():
+        return "-".join([__version__, __release__])
+
+    return __version__
+
+
 def find_qemu_binary(find_emulator=False):
     try:
         connect = libvirt.open('qemu:///system')
-- 
1.8.5.3