Implement compatible 'info_installed'. Returned keys are common to other systems with other package managers

salt/modules/yumpkg.py

@@ -684,6 +684,32 @@ def list_upgrades(refresh=True, **kwargs):
     return dict([(x.name, x.version) for x in updates])
 
 
+def info_installed(*names):
+    '''
+    Return the information of the named package(s), installed on the system.
+
+    CLI example:
+
+    .. code-block:: bash
+
+        salt '*' pkg.info_installed <package1>
+        salt '*' pkg.info_installed <package1> <package2> <package3> ...
+    '''
+    ret = dict()
+    for pkg_name, pkg_nfo in __salt__['lowpkg.info'](*names).items():
+        t_nfo = dict()
+        # Translate dpkg-specific keys to a common structure
+        for key, value in pkg_nfo.items():
+            if key == 'source_rpm':
+                t_nfo['source'] = value
+            else:
+                t_nfo[key] = value
+
+        ret[pkg_name] = t_nfo
+
+    return ret
+
+
 def check_db(*names, **kwargs):
     '''
     .. versionadded:: 0.17.0