File 0014-Check-if-rpm-python-can-be-imported.patch of Package salt.3314

From 4accc710ab2f92118f4777d13bc585d26e8e939e Mon Sep 17 00:00:00 2001
From: Michael Calmer <mc@suse.de>
Date: Wed, 17 Feb 2016 08:49:15 +0100
Subject: [PATCH 14/22] Check if rpm-python can be imported

---
 salt/modules/zypper.py | 36 +++++++++++++++++++++---------------
 1 file changed, 21 insertions(+), 15 deletions(-)

diff --git a/salt/modules/zypper.py b/salt/modules/zypper.py
index 7448f8b..d44ad6a 100644
--- a/salt/modules/zypper.py
+++ b/salt/modules/zypper.py
@@ -14,10 +14,15 @@ import os
 
 # Import 3rd-party libs
 # pylint: disable=import-error,redefined-builtin,no-name-in-module
-import rpm
 import salt.ext.six as six
 from salt.ext.six.moves import configparser
 from salt.ext.six.moves.urllib.parse import urlparse as _urlparse
+
+try:
+    import rpm
+    HAS_RPM = True
+except ImportError:
+    HAS_RPM = False
 # pylint: enable=import-error,redefined-builtin,no-name-in-module
 
 from xml.dom import minidom as dom
@@ -338,21 +343,22 @@ def version_cmp(ver1, ver2):
 
         salt '*' pkg.version_cmp '0.2-001' '0.2.0.1-002'
     '''
-    try:
-        cmp_result = rpm.labelCompare(
-            _string_to_evr(ver1),
-            _string_to_evr(ver2)
-        )
-        if cmp_result not in (-1, 0, 1):
-            raise Exception(
-                'cmp result \'{0}\' is invalid'.format(cmp_result)
+    if HAS_RPM:
+        try:
+            cmp_result = rpm.labelCompare(
+                _string_to_evr(ver1),
+                _string_to_evr(ver2)
+            )
+            if cmp_result not in (-1, 0, 1):
+                raise Exception(
+                    'cmp result \'{0}\' is invalid'.format(cmp_result)
+                )
+            return cmp_result
+        except Exception as exc:
+            log.warning(
+                'Failed to compare version \'{0}\' to \'{1}\' using '
+                'rpmUtils: {2}'.format(ver1, ver2, exc)
             )
-        return cmp_result
-    except Exception as exc:
-        log.warning(
-            'Failed to compare version \'{0}\' to \'{1}\' using '
-            'rpmUtils: {2}'.format(ver1, ver2, exc)
-        )
     return salt.utils.version_cmp(ver1, ver2)
 
 
-- 
2.1.4