doc: updating contact email

README.md

@@ -81,6 +81,7 @@ eval "$(pyenv init -)"
 EOF
 ```
  * reference https://github.com/pyenv/pyenv
+ * Use pyenv to install desired python version, and/or create any virtual environments you desire
 
 Clone the repo:
 ```commandline
@@ -147,7 +148,7 @@ MIT no attribution required - https://opensource.org/license/mit-0
 
  * Project page: https://zavage-software.com/portfolio/app_skellington
  * Please report bugs, improvements, or feedback!
- * Contact: mathew@zavage.net
+ * Contact: mat@zavage.net
 
  * Packing and distribution conforms to PEP 621 https://peps.python.org/pep-0621/
  * Reference https://packaging.python.org/en/latest/guides/distributing-packages-using-setuptools/

app_skellington/app_container.py

@@ -180,9 +180,6 @@ class ApplicationContainer:
         except NoCommandSpecified:
             print("Failure: No command specified.")
 
-    def interactive_shell(self):
-        pass
-
     def invoke_from_cli(self):
         self.invoke_command()
 

app_skellington/cli.py

@@ -3,7 +3,7 @@ import inspect
 import re
 import sys
 
-from . import app_container
+from . import NoCommandSpecified, app_container
 from ._bootstrap import _bootstrap_logger
 
 # If explicit fail is enabled, any command with at least one unknown
@@ -41,12 +41,12 @@ class CommandTree:
 
         ./scriptname --option="value" [submenu] [command]
 
-        is different than
+        is different from
 
         ./scriptname [submenu] [command] --option="value"
 
     in that option is being applied to the application in the first example and
-    applied to the refresh_datasets command (under the nhsn command group) in
+    applied to the command (under the submenu command group) in
     the second. In the same way the -h, --help options print different docs
     depending on where the help option was passed.
     """
@@ -82,17 +82,7 @@ class CommandTree:
         Creates a root-level submenu with no entries. SubMenu node is
         returned which can have submenus and commands attached to it.
         """
-        # NOTE(MG) Fix for Python>=3.7,
-        # argparse.ArgumentParser added 'required' argument.
-        # Must also be written into SubMenu.create_submenu.
         func_args = {"dest": param_name, "metavar": param_name, "required": is_required}
-        if sys.version_info.major == 3 and sys.version_info.minor < 7:
-            if is_required:
-                _bootstrap_logger.warn(
-                    "Unable to enforce required submenu: Requires >= Python 3.7"
-                )
-            del func_args["required"]
-        # END fix for Python<3.7
 
         # Creates an argument as a slot in the underlying argparse.
         subparsers = self.root_parser.add_subparsers(**func_args)
@@ -211,6 +201,12 @@ class CommandTree:
             return None, None, False
 
     def run_command(self, args=None):
+        """
+        Args:
+            args (list[str]): Direct from STDIN
+        Raises:
+            NoCommandSpecified for invalid command.
+        """
         args, unk, success = self.parse(args)
         if not success:
             _bootstrap_logger.info("cli - SystemExit: Perhaps user invoked --help")
@@ -226,7 +222,7 @@ class CommandTree:
         cmd = self._lookup_command(args)
         if cmd is None:
             _bootstrap_logger.critical("cli - Failed to find command.")
-            return False
+            raise NoCommandSpecified
 
         return self._invoke_command(cmd, args)