T4874: Added Warning message

Added the ability to call Warning messages

1 files changed, 40 insertions, 4 deletions

diff --git a/python/vyos/base.py b/python/vyos/base.py
index fd22eaccd..9b93cb2f2 100644
--- a/python/vyos/base.py
+++ b/python/vyos/base.py
@@ -1,4 +1,4 @@
-# Copyright 2018-2021 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2018-2022 VyOS maintainers and contributors <maintainers@vyos.io>
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
@@ -15,11 +15,47 @@
 
 from textwrap import fill
 
+
+class BaseWarning:
+    def __init__(self, header, message, **kwargs):
+        self.message = message
+        self.kwargs = kwargs
+        if 'width' not in kwargs:
+            self.width = 72
+        if 'initial_indent' in kwargs:
+            del self.kwargs['initial_indent']
+        if 'subsequent_indent' in kwargs:
+            del self.kwargs['subsequent_indent']
+        self.textinitindent = header
+        self.standardindent = ''
+
+    def print(self):
+        messages = self.message.split('\n')
+        isfirstmessage = True
+        initial_indent = self.textinitindent
+        print('')
+        for mes in messages:
+            mes = fill(mes, initial_indent=initial_indent,
+                       subsequent_indent=self.standardindent, **self.kwargs)
+            if isfirstmessage:
+                isfirstmessage = False
+                initial_indent = self.standardindent
+            print(f'{mes}')
+        print('')
+
+
+class Warning():
+    def __init__(self, message, **kwargs):
+        self.BaseWarn = BaseWarning('WARNING: ', message, **kwargs)
+        self.BaseWarn.print()
+
+
 class DeprecationWarning():
-    def __init__(self, message):
+    def __init__(self, message, **kwargs):
         # Reformat the message and trim it to 72 characters in length
-        message = fill(message, width=72)
-        print(f'\nDEPRECATION WARNING: {message}\n')
+        self.BaseWarn = BaseWarning('DEPRECATION WARNING: ', message, **kwargs)
+        self.BaseWarn.print()
+
 
 class ConfigError(Exception):
     def __init__(self, message):