Moving vmware ovf converter tool from RO to Devops

[osm/devops.git] / tools / OVF_converter / format_converter / command_progress.py

diff --git a/tools/OVF_converter/format_converter/command_progress.py b/tools/OVF_converter/format_converter/command_progress.py
new file mode 100644 (file)
index 0000000..cbfb737
--- /dev/null
+++ b/tools/OVF_converter/format_converter/command_progress.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+##
+# Copyright 2016-2017 VMware Inc.
+# This file is part of ETSI OSM
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact:  osslegalrouting@vmware.com
+##
+
+import threading
+import sys
+
+class RepeatingTimer(threading._Timer):
+    """ Class to run thread parally """
+    def run(self):
+        """ Method to run thread """
+        while True:
+            self.finished.wait(self.interval)
+            if self.finished.is_set():
+                return
+            else:
+                self.function(*self.args, **self.kwargs)
+
+
+class CommandProgressbar(object):
+    """ Class to show progressbar while waiting fro command output """
+
+    def __init__(self):
+        self.timer = None
+
+    def __show_progressbar(self):
+        """
+            Private method to show progressbar while waiting for command to complete
+            Args  : None
+            Return : None
+        """
+        print '\b.',
+        sys.stdout.flush()
+
+    def start_progressbar(self):
+        """
+            Method to start progressbar thread
+            Args  : None
+            Return : None
+        """
+        self.timer = RepeatingTimer(1.0, self.__show_progressbar)
+        self.timer.daemon = True # Allows program to exit if only the thread is alive
+        self.timer.start()
+
+    def stop_progressbar(self):
+        """
+            Method to stop progressbar thread
+            Args  : None
+            Return : None
+        """
+        self.timer.cancel()