Add --set to config append, --report to config {set,append,remove} (rebased onto develop)

components/tools/OmeroPy/src/omero/plugins/prefs.py

@@ -165,12 +165,18 @@ def _configure(self, parser):
         for x in [set, append, remove]:
             x.add_argument(
                 "KEY", help="Name of the key in the current profile")
+            # report is intended for use with cfg mgmt tools
+            x.add_argument("--report", action="store_true",
+                           help="Report if changes are made")
         set.add_argument(
             "-f", "--file", type=ExistingFile('r'),
             help="Load value from file")
         set.add_argument(
             "VALUE", nargs="?",
             help="Value to be set. If it is missing, the key will be removed")
+        append.add_argument(
+            "--set", action="store_true",
+            help="Append only if not already in the list")
         append.add_argument("VALUE", help="Value to be appended")
         remove.add_argument("VALUE", help="Value to be removed")
 
@@ -317,8 +323,12 @@ def set(self, args, config):
                 f.close()
         elif args.VALUE is None:
             del config[args.KEY]
+            if args.report:
+                self.ctx.out('Changed: Removed %s' % args.KEY)
         else:
             config[args.KEY] = args.VALUE
+            if args.report:
+                self.ctx.out('Changed: Set %s:%s' % (args.KEY, args.VALUE))
 
     def get_list_value(self, args, config):
         import json
@@ -348,13 +358,17 @@ def append(self, args, config):
         import json
         if args.KEY in config.keys():
             list_value = self.get_list_value(args, config)
-            list_value.append(json.loads(args.VALUE))
         elif args.KEY.startswith('omero.web.'):
             list_value = self.get_omeroweb_default(args.KEY)
-            list_value.append(json.loads(args.VALUE))
         else:
-            list_value = [json.loads(args.VALUE)]
-        config[args.KEY] = json.dumps(list_value)
+            list_value = []
+        jv = json.loads(args.VALUE)
+        if not args.set or jv not in list_value:
+            list_value.append(json.loads(args.VALUE))
+            config[args.KEY] = json.dumps(list_value)
+            if args.report:
+                self.ctx.out(
+                    'Changed: Appended %s:%s' % (args.KEY, args.VALUE))
 
     @with_rw_config
     def remove(self, args, config):
@@ -372,6 +386,8 @@ def remove(self, args, config):
 
         list_value.remove(json.loads(args.VALUE))
         config[args.KEY] = json.dumps(list_value)
+        if args.report:
+            self.ctx.out('Changed: Removed %s:%s' % (args.KEY, args.VALUE))
 
     @with_config
     def keys(self, args, config):

components/tools/OmeroPy/test/unit/clitest/test_prefs.py

@@ -243,20 +243,50 @@ def testRemoveFails(self, initval, newval):
         with pytest.raises(NonZeroReturnCode):
             self.invoke("remove A %s" % newval)
 
-    def testAppendRemove(self, capsys):
-        self.invoke("append A 1")
+    @pytest.mark.parametrize('report', ['--report', ''])
+    def testAppendRemove(self, report, capsys):
+        self.invoke("append %s A 1" % report)
+        self.assertReportStdout(report, capsys, 'Appended A:1')
         self.invoke("get A")
         self.assertStdoutStderr(capsys, out='[1]')
-        self.invoke("append A \"y\"")
+        self.invoke("append %s A \"y\"" % report)
+        self.assertReportStdout(report, capsys, 'Appended A:"y"')
         self.invoke("get A")
         self.assertStdoutStderr(capsys, out='[1, "y"]')
-        self.invoke("remove A \"y\"")
+        self.invoke("remove %s A \"y\"" % report)
+        self.assertReportStdout(report, capsys, 'Removed A:"y"')
         self.invoke("get A")
         self.assertStdoutStderr(capsys, out='[1]')
-        self.invoke("remove A 1")
+        self.invoke("remove %s A 1" % report)
+        self.assertReportStdout(report, capsys, 'Removed A:1')
         self.invoke("get A")
         self.assertStdoutStderr(capsys, out='[]')
 
+    def assertReportStdout(self, report, capsys, out):
+        if report and out:
+            self.assertStdoutStderr(capsys, out='Changed: %s' % out)
+        else:
+            self.assertStdoutStderr(capsys, out='')
+
+    @pytest.mark.parametrize('report', ['--report', ''])
+    def testAppendSet(self, report, capsys):
+        self.invoke("append %s --set A 1" % report)
+        self.assertReportStdout(report, capsys, 'Appended A:1')
+        self.invoke("get A")
+        self.assertStdoutStderr(capsys, out='[1]')
+        self.invoke("append %s --set A 2" % report)
+        self.assertReportStdout(report, capsys, 'Appended A:2')
+        self.invoke("get A")
+        self.assertStdoutStderr(capsys, out='[1, 2]')
+        self.invoke("append %s --set A 1" % report)
+        self.assertReportStdout(report, capsys, '')
+        self.invoke("get A")
+        self.assertStdoutStderr(capsys, out='[1, 2]')
+        self.invoke("append %s A 1" % report)
+        self.assertReportStdout(report, capsys, 'Appended A:1')
+        self.invoke("get A")
+        self.assertStdoutStderr(capsys, out='[1, 2, 1]')
+
     def testRemoveIdenticalValues(self, capsys):
         self.invoke("set A [1,1]")
         self.invoke("remove A 1")
@@ -273,9 +303,15 @@ def testAppendWithDefault(self, monkeypatch, capsys):
             "omero.web.test": ["TEST", "[1,2,3]", json.loads],
             "omero.web.notalist": ["NOTALIST", "abc", str],
         })
+
         self.invoke("append omero.web.test 4")
         self.invoke("get omero.web.test")
         self.assertStdoutStderr(capsys, out='[1, 2, 3, 4]')
+        self.invoke("append --set omero.web.test 2")
+        self.assertStdoutStderr(capsys, out='')
+        self.invoke("get omero.web.test")
+        self.assertStdoutStderr(capsys, out='[1, 2, 3, 4]')
+
         self.invoke("append omero.web.unknown 1")
         self.invoke("get omero.web.unknown")
         self.assertStdoutStderr(capsys, out='[1]')