Implement appending command aliases to bashrc to avoid command not found

lib/tfw/components/terminal_commands.py

@@ -7,10 +7,18 @@ LOG = logging.getLogger(__name__)
 
 
 class TerminalCommands(ABC):
-    def __init__(self):
+    def __init__(self, bashrc=None):
         self._command_method_regex = r'^command_(.+)$'
         self.command_implemetations = {self._parse_command_name(fun): getattr(self, fun) for fun in dir(self)
                                        if callable(getattr(self, fun)) and self._is_command_implementation(fun)}
+        if bashrc is not None:
+            self._setup_bashrc_aliases(bashrc)
+
+    def _setup_bashrc_aliases(self, bashrc):
+        with open(bashrc, 'a') as ofile:
+            alias_template = 'alias {0}="{0} > /dev/null 2>&1"\n'
+            for command in self.command_implemetations.keys():
+                ofile.write(alias_template.format(command))
 
     def _is_command_implementation(self, method_name):
         return bool(self._match_command_regex(method_name))