build: cleaning many of the flake8 errors

.flake8

@@ -0,0 +1,11 @@
+[flake8]
+max-line-length=120
+ignore =
+    E121,
+    E123,
+    E126,
+    E226,
+    E24,
+    E704,
+    W605
+exclude = ./tests

.gitignore

@@ -2,4 +2,5 @@ build
 dist
 *.egg-info
 __pycache__
+.idea
 

.pre-commit-config.yaml

@@ -0,0 +1,37 @@
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+    -   id: check-yaml
+    -   id: check-added-large-files
+        args: ['--maxkb=10240']
+    -   id: check-merge-conflict
+    -   id: end-of-file-fixer
+    -   id: trailing-whitespace
+
+# isort -- sorts imports
+-   repo: https://github.com/timothycrosley/isort
+    rev: 5.13.2
+    hooks:
+    -   id: isort
+        args: ["--profile", "black", "--filter-files"]
+
+# Flake8
+#-   repo: https://github.com/pycqa/flake8
+#    rev: '7.0.0'
+#    hooks:
+#    -   id: flake8
+
+# Black
+# Using this mirror lets us use mypyc-compiled black, which is about 2x faster
+- repo: https://github.com/psf/black-pre-commit-mirror
+  rev: 24.2.0
+  hooks:
+    - id: black
+      language_version: python3.8
+
+# Poetry
+- repo: https://github.com/python-poetry/poetry
+  rev: 1.8.2
+  hooks:
+  - id: poetry-lock

.python-version

@@ -0,0 +1 @@
+3.8.19

LICENSE.txt

@@ -1,6 +1,6 @@
 App Skellington
 
-Copyright (c) 2020 Mathew Guest
+Copyright (c) 2024 Mathew Guest
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation

README.md

@@ -10,7 +10,7 @@ Application framework for Python, features include:
 Principles:
  - Lend to creating beautiful, easy to read and understand code in the application.
  - Minimize coupling of applications to this framework.
- - Compatable with Linux, Windows, and Mac. Try to be compatible as possible otherwise.
+ - Compatible with Linux, Windows, and Mac. Try to be compatible as possible otherwise.
  - Try to be compatible with alternate Python runtimes such as PyPy and older python environments. \*WIP
 
 Application Configuration
@@ -20,7 +20,7 @@ in the src directory which is a validation file; it contains the accepted
 parameter names, types, and limits for configurable options in the
 application which is built on app_skellington. The format is multi-level .ini syntax.
 
-Reference the ConfigObj documentation for config.ini and config.spec 
+Reference the ConfigObj documentation for config.ini and config.spec
 format. See:
 
  - https://configobj.readthedocs.io/en/latest/configobj.html#the-config-file-format
@@ -31,15 +31,15 @@ file always contains the full specification of parameters; i.e. even default
 parameters are added into the config file.
 
 Linux:
-  
+
 /home/\<user\>/.config/\<app_name\>/config.ini
-  
+
 /home/\<user\>/.cache/\<app_name\>/log/\<app_name\>.log
 
 Windows:
-  
+
 C:\\Users\\\<user>\\\<app_name\>\\Local\\\<app_name\>\\config.ini
-  
+
 C:\\Users\\\<user>\\\<app_name\>\\Local\\\<app_name\>\\Logs\\\<app_name\>.log
 
 Application configuration can be overridden ad-hoc through the --config <filename>
@@ -47,8 +47,8 @@ argument.
 
 Debug - Turn on Logging
 -----------------------
-Set 'APPSKELLINGTON_ENABLE_LOGGING' environment variable to any value which turns
-on AppSkellington-level logging. For example,
+Set 'APPSKELLINGTON_DEBUG' environment variable to any value which turns
+on AppSkellington logger. For example,
 
     APPSKELLINGTON_DEBUG=1 <executable>
 
@@ -61,6 +61,28 @@ Tests
 -----
 Tests are a WIP. Recommendation is to run 'pytest' in the 'tests' directory.
 
+Development
+-----------
+Clone the repo:
+```commandline
+git clone https://git-mirror.zavage.net/zavage-software/app_skellington.git
+```
+
+Verify your desired python environment.
+
+Poetry install to install dependencies and the program in your desired python environment
+```commandline
+poetry install
+# verify no errors
+```
+
+Install pre-commit hooks:
+```commandline
+pre-commit install
+```
+
+Begin development.
+
 License
 -------
 I'm releasing this software under one of the most permissive
@@ -72,4 +94,3 @@ Notes
 -----
 See official website: https://zavage-software.com
 Please report bugs, improvements, or feedback!
-

app_skellington/__init__.py

@@ -1,8 +1,4 @@
-import logging
-import sys
-
 from .app_container import *
 from .cfg import *
 from .cli import *
 from .log import *
-

app_skellington/_bootstrap.py

@@ -3,24 +3,28 @@ import os
 import sys
 
 # Check and gracefully fail if the user needs to install a 3rd-party dep.
-libnames = ['appdirs', 'configobj', 'colorlog']
+libnames = ["appdirs", "configobj", "colorlog"]
+
+
 def check_env_has_dependencies(libnames):
     rc = True
     for libname in libnames:
         try:
             __import__(libname)
         except ModuleNotFoundError as ex:
-            print('Missing third-party library: ', ex, file=sys.stderr)
+            print("Missing third-party library: ", ex, file=sys.stderr)
             rc = False
     return rc
+
+
 if not check_env_has_dependencies(libnames):
-    print('Unable to load program without installed dependencies', file=sys.stderr)
-    raise ImportError('python environment needs third-party dependencies installed')
+    print("Unable to load program without installed dependencies", file=sys.stderr)
+    raise ImportError("python environment needs third-party dependencies installed")
 
 # Logger for before the application and logging config is loaded
 # - used to log before logging is configured
-_log_fmt = '%(levelname)-7s:%(message)s'
-_logger_name = 'skell'
+_log_fmt = "%(levelname)-7s:%(message)s"
+_logger_name = "skell"
 _bootstrap_logger = logging.getLogger(_logger_name)
 
 # NOTE(MG) Logger monkey-patch:
@@ -29,20 +33,19 @@ _bootstrap_logger = logging.getLogger(_logger_name)
 # configuration is reloaded. This catches APPSKELLINGTON_DEBUG
 # environment variable the first time, as app_skellington module
 # is imported. See cfg.py
-if os.environ.get('APPSKELLINGTON_DEBUG', None):
-    _bootstrap_logger.setLevel(logging.DEBUG) # Don't filter any log levels
+if os.environ.get("APPSKELLINGTON_DEBUG", None):
+    _bootstrap_logger.setLevel(logging.DEBUG)  # Don't filter any log levels
     fmt = logging.Formatter(_log_fmt)
     handler = logging.StreamHandler()
     handler.setFormatter(fmt)
     _bootstrap_logger.addHandler(handler)
-    _bootstrap_logger.debug('log - APPSKELLINGTON_DEBUG set in environment: Enabling verbose logging.')
+    _bootstrap_logger.debug("log - APPSKELLINGTON_DEBUG set in environment: Enabling verbose logging.")
 
 # Logging is by default off, excepting CRITICAL
-else:   
+else:
     _bootstrap_logger.setLevel(logging.CRITICAL)
 _bootstrap_logger.propagate = False
 
 # NOTE(MG) Pretty sure the logger has the default handler too at this point.
 # It's been related to some issues with the logger double-printing messages.
 _bootstrap_logger.addHandler(logging.NullHandler())
-

app_skellington/_util.py

@@ -1,9 +1,9 @@
 from __future__ import print_function
+
 import inspect
 import os
 import sys
 
-from . import _util
 
 def eprint(*args, **kwargs):
     """
@@ -11,6 +11,7 @@ def eprint(*args, **kwargs):
     """
     print(*args, file=sys.stderr, **kwargs)
 
+
 def filename_to_abspath(filename):
     """
     Converts a filename to it's absolute path. If it's already an
@@ -18,6 +19,7 @@ def filename_to_abspath(filename):
     """
     return os.path.abspath(filename)
 
+
 def does_file_exist(filepath):
     """
     Because the file can be deleted or created immediately after execution of
@@ -26,37 +28,37 @@ def does_file_exist(filepath):
     instant in execution.
     """
     try:
-        fp = open(filepath, 'r')
+        open(filepath, "r")
         return True
     except FileNotFoundError as ex:
         return False
 
+
 def ensure_dir_exists(dirpath):
     if dirpath is None:
         return
-    if dirpath == '':
+    if dirpath == "":
         return
     os.makedirs(dirpath, exist_ok=True)
 
+
 def get_root_asset(filepath):
     """
     Attempts to locate a resource or asset shipped with the application.
     Searches starting at the root module (__main__) which should be the
     python file initially invoked.
     """
-    module_root =\
-        os.path.abspath(
-        os.path.dirname(
-        sys.modules['__main__'].__file__))
+    module_root = os.path.abspath(os.path.dirname(sys.modules["__main__"].__file__))
     path = os.path.join(module_root, filepath)
-    return path 
+    return path
+
 
 def get_asset(module, filepath):
     """
     Attempts to locate a resource or asset shipped with the application.
     Input filename is relative to the caller code, i.e. this starts
     searching relative to the file that called this function.
-    
+
     Returns the full absolute path of the located file if found or None
 
     Args:
@@ -75,7 +77,7 @@ def get_asset(module, filepath):
     elif isinstance(module, module):
         module_file = module.__file__
     else:
-        raise Exception('Invalid Usage')
+        raise Exception("Invalid Usage")
 
     try:
         root = module_file
@@ -88,7 +90,8 @@ def get_asset(module, filepath):
         raise
 
     path = os.path.join(root, filepath)
-    return path 
+    return path
+
 
 def register_class_as_commands(app, submenu, cls_object):
     """
@@ -105,7 +108,7 @@ def register_class_as_commands(app, submenu, cls_object):
     for m in members:
         name = m[0]
         ref = m[1]
-        if inspect.isfunction(ref) and not name.startswith('_'):
+        if inspect.isfunction(ref) and not name.startswith("_"):
             cls_method = ref
             constructor = app._inject_service_dependencies(cls_constructor)
             sig = inspect.signature(cls_method)
@@ -114,9 +117,10 @@ def register_class_as_commands(app, submenu, cls_object):
             docstring = inspect.getdoc(cls_method)
             submenu.register_command(func, name, sig, docstring)
 
+
 def create_func(constructor, cls_method):
     def func(*args, **kwargs):
         cmd_class_instance = constructor()
         return cls_method(cmd_class_instance, *args, **kwargs)
-    return func
 
+    return func

app_skellington/app_container.py

@@ -1,34 +1,37 @@
-import appdirs
-import collections
 import functools
 import inspect
 import os
-import sys
+
+import appdirs
+
+from . import (
+    _util,
+    cfg,
+    cli,
+    log,
+)
 
 # Application scaffolding:
 from ._bootstrap import _bootstrap_logger
-from . import log
-from . import _util
-from . import cli
-from . import cfg
-
-import logging
 
 # These two variables affect the directory paths for
 # config files and logging.
-DEFAULT_APP_NAME = ''
-DEFAULT_APP_AUTHOR = ''
+DEFAULT_APP_NAME = ""
+DEFAULT_APP_AUTHOR = ""
+
 
 class ApplicationContext:
     """
     Container for application-wide state; i.e. app configuration and loggers.
     """
+
     def __init__(self, config, log):
         self.config = config
         self.log = log
         self.parsed_argv = None
         self.parsed_argv_unknown = None
 
+
 class ApplicationContainer:
     """
     Generalized application functionality. Used for linking components and modules of the application
@@ -40,14 +43,10 @@ class ApplicationContainer:
     Override appname and appauthor arguments to direct config and log
     directories.
     """
-    def __init__(
-        self,
-        configspec_filepath=None,
-        configini_filepath=None,
-        *args, **kwargs
-    ):
-        self.appname = kwargs.get('appname') or DEFAULT_APP_NAME
-        self.appauthor = kwargs.get('appauthor') or DEFAULT_APP_AUTHOR
+
+    def __init__(self, configspec_filepath=None, configini_filepath=None, *args, **kwargs):
+        self.appname = kwargs.get("appname") or DEFAULT_APP_NAME
+        self.appauthor = kwargs.get("appauthor") or DEFAULT_APP_AUTHOR
 
         # Instantiate application context which contains
         # global state, configuration, loggers, and runtime args.
@@ -57,29 +56,28 @@ class ApplicationContainer:
 
         logger = log.LoggingLayer(self.appname, self.appauthor)
         # Try and load logging configuration if provided
-        log_config = config.get('logging')
+        log_config = config.get("logging")
         if log_config is not None:
             logger.configure_logging(log_config)
         else:
             logger.configure_logging()
 
-
         self.ctx = ApplicationContext(config, logger)
 
         # Reference to root_app avail. in context
         self.ctx.root_app = self
 
         # Reference to context service avail. in root_app
-        self['ctx'] = lambda: self.ctx
+        self["ctx"] = lambda: self.ctx
 
-        self.cli = cli.CommandTree() # Command-line interface
+        self.cli = cli.CommandTree()  # Command-line interface
 
         # Run methods if subclass implemented them:
-        if callable(getattr(self, '_cli_options', None)):
+        if callable(getattr(self, "_cli_options", None)):
             self._cli_options()
-        if callable(getattr(self, '_services', None)):
+        if callable(getattr(self, "_services", None)):
             self._services()
-        if callable(getattr(self, '_command_menu', None)):
+        if callable(getattr(self, "_command_menu", None)):
             self._command_menu()
 
     def __delitem__(self, service_name):
@@ -99,11 +97,12 @@ class ApplicationContainer:
         app['datalayer'] => returns the made-up "datalayer" service.
         """
         try:
-            service_factory = self._dependencies[service_name] # Retrieve factory function
-            return service_factory() # Call factory() to return instance of service
+            service_factory = self._dependencies[service_name]  # Retrieve factory function
+            return service_factory()  # Call factory() to return instance of service
         except KeyError as ex:
-            msg = 'failed to inject service: {}'.format(service_name)
+            msg = "failed to inject service: {}".format(service_name)
             _bootstrap_logger.critical(msg)
+            _bootstrap_logger.debug(ex)
             raise ServiceNotFound
 
     def __setitem__(self, service_name, value):
@@ -117,7 +116,7 @@ class ApplicationContainer:
     def _construct_model(self, model_constructor, *args):
         """
         Performs dependency resolution and instantiates an object of given type.
-        
+
         This takes in the reference to a class constructor and a list of names
         of the dependencies that need passed into it, constructs that object and
         returns it. Models contain business logic and application functionality.
@@ -131,9 +130,7 @@ class ApplicationContainer:
             dependencies.append(self[dep_name])
         return model_constructor(*dependencies)
 
-    def _get_config_filepath(
-        self, app_name, app_author, config_filename='config.ini'
-    ):
+    def _get_config_filepath(self, app_name, app_author, config_filename="config.ini") -> str:
         """
         Attempt to find config.ini in the user's config directory.
 
@@ -142,10 +139,10 @@ class ApplicationContainer:
         """
         dirname = appdirs.user_config_dir(app_name, app_author)
         filepath = os.path.join(dirname, config_filename)
-        _bootstrap_logger.info('default config filepath calculated to be: %s', filepath)
+        _bootstrap_logger.info("default config filepath calculated to be: %s", filepath)
         return filepath
 
-    def _get_configspec_filepath(self, configspec_filename='config.spec'):
+    def _get_configspec_filepath(self, configspec_filename: str = "config.spec") -> str:
         """
         Attempt to find config.spec inside the installed package directory.
         """
@@ -161,12 +158,12 @@ class ApplicationContainer:
         """
         sig = inspect.signature(constructor.__init__)
         params = sig.parameters
-        params = [params[paramname].name for paramname in params] # Convert Param() type => str
-        cls_dependencies = params[1:] # Skip 'self' parameter on class methods.
+        params = [params[paramname].name for paramname in params]  # Convert Param() type => str
+        cls_dependencies = params[1:]  # Skip 'self' parameter on class methods.
 
         return functools.partial(self._construct_model, constructor, *cls_dependencies)
 
-    def load_command(self):
+    def load_command(self) -> bool:
         args, unk, success = self.cli.parse()
         if not success:
             return False
@@ -181,24 +178,26 @@ class ApplicationContainer:
         try:
             self.cli.run_command()
         except NoCommandSpecified as ex:
-            print('Failure: No command specified.')
+            print("Failure: No command specified.")
 
     def interactive_shell(self):
-        pass
+        raise NotImplementedError()
 
     def invoke_from_cli(self):
         self.invoke_command()
 
     def usage(self):
-        pass
+        raise NotImplementedError()
         # Applications need a default usage
 
+
 class ServiceNotFound(Exception):
     """
     Application framework error: unable to find and inject dependency.
     """
+
     pass
 
+
 class NoCommandSpecified(Exception):
     pass
-

app_skellington/cfg.py

@@ -4,15 +4,12 @@
 # ConfigObj module and it's recommended to use config.spec files to define
 # your available configuration of the relevant application.
 
-from . import _util
+
+import configobj
+import validate
+
 from ._bootstrap import _bootstrap_logger
 
-import appdirs
-import argparse
-import configobj
-import os
-import sys
-import validate
 
 class Config:
     """
@@ -26,16 +23,11 @@ class Config:
     """
 
     DEFAULT_CAPABILITIES = {
-        'allow_options_beyond_spec': True,
+        "allow_options_beyond_spec": True,
     }
 
-    def __init__(
-        self,
-        configspec_filepath=None,
-        configini_filepath=None,
-        capabilities=None
-    ):
-        self._config_obj = None # must be type configobj.ConfigObj()
+    def __init__(self, configspec_filepath=None, configini_filepath=None, capabilities=None):
+        self._config_obj = None  # must be type configobj.ConfigObj()
         self._configini_data = None
         self._configini_filepath = None
         self._configspec_data = None
@@ -83,9 +75,7 @@ class Config:
     @configspec_filepath.setter
     def configspec_filepath(self, filepath):
         if filepath is None:
-            _bootstrap_logger.debug(
-                'cfg - Clearing configspec'
-            )
+            _bootstrap_logger.debug("cfg - Clearing configspec")
             self._configspec_filepath = None
             self._configspec_data = None
             self._has_changed_internally = True
@@ -98,27 +88,22 @@ class Config:
                 self._configspec_filepath = filepath
                 self._configspec_data = data
                 self._has_changed_internally = True
-                _bootstrap_logger.debug(
-                    'cfg - Set configspec and read contents: %s',
-                    filepath
-                )
+                _bootstrap_logger.debug("cfg - Set configspec and read contents: %s", filepath)
                 self.load_config()
                 return
         except OSError as ex:
-            _bootstrap_logger.critical(
-                'cfg - Failed to find config.spec: file not found (%s)',
-                filepath
-            )
-            raise OSError('Failed to read provided config.spec file')
+            _bootstrap_logger.critical("cfg - Failed to find config.spec: file not found (%s)", filepath)
+            raise OSError("Failed to read provided config.spec file")
 
-        self.load_config()
+        # TODO(MG) initial code was present but unreachable. is an error in coding.
+        # self.load_config()
 
     def __contains__(self, key):
         try:
             has_item = key in self._config_obj
             return has_item
         except KeyError as ex:
-            pass
+            _bootstrap_logger.error("failed to __containers__ on key (%s): %s", key, ex)
 
     def __delitem__(self, key):
         """
@@ -128,7 +113,7 @@ class Config:
         try:
             del self[key]
         except KeyError as ex:
-            pass
+            _bootstrap_logger.error("failed to __delitem__ on key (%s): %s", key, ex)
 
     def __getitem__(self, key):
         """
@@ -142,6 +127,7 @@ class Config:
                 # return self._config_obj[key].dict()
                 return self._config_obj[key]
         except KeyError as ex:
+            _bootstrap_logger.error("failed to __getitem__ on key (%s): %s", key, ex)
             raise
 
     def __setitem__(self, key, value):
@@ -162,11 +148,16 @@ class Config:
             v = self.__getitem__(key)
             return v
         except KeyError as ex:
+            _bootstrap_logger.error("failed to retrieve config key (%s): %s", key, ex)
             return default
 
-    def load_config(
-        self, configspec_filepath=None, configini_filepath=None
-    ):
+    def load_config(self, configspec_filepath=None, configini_filepath=None) -> bool:
+        """
+        Loads config from file, validating against configspec.
+
+        Returns:
+            bool: success status of command and validation.
+        """
         # Set new arguments if were passed in:
         if configspec_filepath is not None:
             self.configspec_filepath = configspec_filepath
@@ -179,7 +170,7 @@ class Config:
             rc = self._validate_config_against_spec()
             if not rc:
                 if self._capability_enforce_strict_spec_validation:
-                    raise RuntimeError('Failed to validate config.ini against spec.')
+                    raise RuntimeError("Failed to validate config.ini against spec.")
                 return False
         return True
 
@@ -196,83 +187,91 @@ class Config:
                 # options
                 configspec=config_spec,
                 # encoding
-                interpolation='template'
+                interpolation="template",
                 # raise_errors
             )
             _bootstrap_logger.debug(
-                'cfg - Parsed configuration. config.spec = %s, config.ini = %s',
-                config_spec, config_ini
+                "cfg - Parsed configuration. config.spec = %s, config.ini = %s", config_spec, config_ini
             )
             return True
 
         except configobj.ParseError as ex:
-            msg = 'cfg - Failed to load config: error in config.spec configuration: {}'.format(config_filepath)
+            msg = "cfg - Failed to load config: error in config.spec configuration: {}".format(config_filepath)
             _bootstrap_logger.error(msg)
             return False
         except OSError as ex:
-            msg = 'cfg - Failed to load config: config.spec file not found.'
+            msg = "cfg - Failed to load config: config.spec file not found."
             _bootstrap_logger.error(msg)
             return False
         except Exception as ex:
-            print(ex)
+            _bootstrap_logger.error(ex)
 
     def _validate_config_against_spec(self):
         config_spec = self.configspec_filepath
         config_ini = self.configini_filepath
 
         # Hack the configobj module to alter the interpolation for validate.py:
-        configobj.DEFAULT_INTERPOLATION = 'template'
+        configobj.DEFAULT_INTERPOLATION = "template"
 
         # Validate config.ini against config.spec
         try:
-            _bootstrap_logger.info('cfg - Validating config file against spec')
+            _bootstrap_logger.info("cfg - Validating config file against spec")
             val = validate.Validator()
-            assert isinstance(self._config_obj, configobj.ConfigObj), 'expecting configobj.ConfigObj, received %s' % type(self._config_obj)
+            assert isinstance(
+                self._config_obj, configobj.ConfigObj
+            ), "expecting configobj.ConfigObj, received %s" % type(self._config_obj)
             # NOTE(MG) copy arg below instructs configobj to use defaults from spec file
-            test_results = self._config_obj.validate(
-                val, copy=True, preserve_errors=True
-            )
+            test_results = self._config_obj.validate(val, copy=True, preserve_errors=True)
             if test_results is True:
                 _bootstrap_logger.info(
-                    'cfg- Successfully validated configuration against spec. input = %s, validation spec = %s',
-                    config_ini, config_spec
+                    "cfg- Successfully validated configuration against spec. input = %s, validation spec = %s",
+                    config_ini,
+                    config_spec,
                 )
                 return True
 
             elif test_results is False:
-                _bootstrap_logger.debug(
-                    'cfg - Potentially discovered invalid config.spec'
-                )
+                _bootstrap_logger.debug("cfg - Potentially discovered invalid config.spec")
 
             else:
                 self._validate_parse_errors(test_results)
                 return False
         except ValueError as ex:
-            _bootstrap_logger.error('cfg - Failed while validating config against spec. ')
+            _bootstrap_logger.error("cfg - Failed while validating config against spec. ")
+            _bootstrap_logger.debug(ex)
             return False
 
     def _validate_parse_errors(self, test_results):
-        _bootstrap_logger.critical('cfg - Config file failed validation.')
-        for (section_list, key, rslt) in configobj.flatten_errors(self._config_obj, test_results):
-            _bootstrap_logger.critical('cfg - Config error info: %s %s %s', section_list, key, rslt)
+        _bootstrap_logger.critical("cfg - Config file failed validation.")
+        for section_list, key, rslt in configobj.flatten_errors(self._config_obj, test_results):
+            _bootstrap_logger.critical("cfg - Config error info: %s %s %s", section_list, key, rslt)
             if key is not None:
-                _bootstrap_logger.critical('cfg - Config failed validation: [%s].%s appears invalid. msg = %s', '.'.join(section_list), key, rslt)
+                _bootstrap_logger.critical(
+                    "cfg - Config failed validation: [%s].%s appears invalid. msg = %s",
+                    ".".join(section_list),
+                    key,
+                    rslt,
+                )
             else:
-                _bootstrap_logger.critical("cfg - Config failed validation: missing section, name = '%s'. msg = %s", '.'.join(section_list), rslt)
+                _bootstrap_logger.critical(
+                    "cfg - Config failed validation: missing section, name = '%s'. msg = %s",
+                    ".".join(section_list),
+                    rslt,
+                )
 
     def print_config(self):
         """
         Print configuration to stdout.
         """
-        print('config:')
+        print("config:")
 
         self._config_obj.walk(print)
         for section in self._config_obj.sections:
             print(section)
             for key in self._config_obj[section]:
-                print('    ',  self._config_obj[section][key])
+                print("    ", self._config_obj[section][key])
+
 
 class EnvironmentVariables:
     def __init__(self):
         raise NotImplementedError
-

app_skellington/cli.py

@@ -1,18 +1,17 @@
 import argparse
 import inspect
-import logging
 import re
 import sys
 
-import app_skellington
-from ._bootstrap import _bootstrap_logger
 from . import app_container
+from ._bootstrap import _bootstrap_logger
 
 # If explicit fail is enabled, any command with at least one unknown
 # argument will be rejected entirely. If not enabled, unknown arguments
 # will be ignored.
 EXPLICIT_FAIL_ON_UNKNOWN_ARGS = True
 
+
 class CommandTree:
     """
     Command-line interface to hold a menu of commands. You can register
@@ -51,11 +50,12 @@ class CommandTree:
     the second. In the same way the -h, --help options print different docs
     depending on where the help option was passed.
     """
+
     def __init__(self):
         self.root_parser = argparse.ArgumentParser()
-        self.submenu_param = None # submenu_param is the variable name
-                                  # of the root submenu argument, i.e. the arg
-                                  # in root_parser which selects the submenu.
+        self.submenu_param = None  # submenu_param is the variable name
+        # of the root submenu argument, i.e. the arg
+        # in root_parser which selects the submenu.
         self.entries = {}
         # NOTE(MG) Implementation note:
         # CommandTree uses only one of these internal structures (i.e. mutually exclusive),
@@ -66,13 +66,13 @@ class CommandTree:
         self._single_command = None
 
     def print_tree(self):
-        raise NotImplemented
+        raise NotImplementedError()
 
     def add_argument(self, *args, **kwargs):
         """
         Adds an argument to the root parser.
         """
-        _bootstrap_logger.info('adding argument to root parser: %s and %s', args, kwargs)
+        _bootstrap_logger.info("adding argument to root parser: %s and %s", args, kwargs)
         self.root_parser.add_argument(*args, **kwargs)
 
     def init_submenu(self, param_name, is_required=False):
@@ -83,39 +83,27 @@ class CommandTree:
         # 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
-        ):
+        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']
+                _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
-        )
+        subparsers = self.root_parser.add_subparsers(**func_args)
 
         submenu = SubMenu(self, subparsers, param_name)
-        submenu.submenu_path = ''
+        submenu.submenu_path = ""
         submenu.var_name = param_name
 
-        _bootstrap_logger.info('Initialized root-level submenu: Parameter = \'%s\'', param_name)
+        _bootstrap_logger.info("Initialized root-level submenu: Parameter = '%s'", param_name)
         self.entries[param_name] = submenu
         self.submenu_param = param_name
 
-        return submenu 
+        return submenu
 
-    def register_command(
-        self, func, cmd_name=None, func_signature=None,
-        docstring=None
-    ):
+    def register_command(self, func, cmd_name=None, func_signature=None, docstring=None):
         """
         When no submenu functionality is desired, this links a single
         command into underlying argparse options.
@@ -128,7 +116,7 @@ class CommandTree:
             pass
             # print('func is method')
         else:
-            raise Exception('bad value passed in for function')
+            raise Exception("bad value passed in for function")
 
         if not cmd_name:
             # safe try/except
@@ -154,37 +142,30 @@ class CommandTree:
         # For each paramter in the function create an argparse argument in
         # the child ArgumentParser created for this menu entry:
         for key in params:
-            if key == 'self':
+            if key == "self":
                 continue
             param = params[key]
 
-            if '=' in str(param):
+            if "=" in str(param):
                 if param.default is None:
-                    helptext = 'default provided'
+                    helptext = "default provided"
                 else:
                     helptext = "default = '{}'".format(param.default)
-                self.root_parser.add_argument(
-                    key,
-                    help=helptext,
-                    nargs='?',
-                    default=param.default
-                )
+                self.root_parser.add_argument(key, help=helptext, nargs="?", default=param.default)
             else:
-                helptext = 'required'
-                self.root_parser.add_argument(
-                    key,
-                    help=helptext)
+                helptext = "required"
+                self.root_parser.add_argument(key, help=helptext)
 
         # Build the CommandEntry structure
         cmd = CommandEntry()
         cmd.argparse_node = self.root_parser
-        cmd.cmd_name = cmd_name 
+        cmd.cmd_name = cmd_name
         cmd.func_signature = sig
         # cmd.func_ref = None
         cmd.callback = func
 
         registered_name = cmd_name
-        _bootstrap_logger.info('registered command: %s', registered_name)
+        _bootstrap_logger.info("registered command: %s", registered_name)
         # end copy-paste then editted from SubMenu.register_command
 
         self._cmd_tree_is_single_command = True
@@ -209,7 +190,7 @@ class CommandTree:
             #             'failed to parse arguments: explicitly failing to be safe')
             #         return False, False
 
-            if hasattr(pargs, 'usage'):
+            if hasattr(pargs, "usage"):
                 pass
                 # print('found usage in app_skellington')
 
@@ -222,19 +203,19 @@ class CommandTree:
     def run_command(self, args=None):
         args, unk, success = self.parse(args)
         if not success:
-            _bootstrap_logger.info('cli - SystemExit: Perhaps user invoked --help')
+            _bootstrap_logger.info("cli - SystemExit: Perhaps user invoked --help")
             return
 
         if args is False and unk is False:
-            _bootstrap_logger.error('cli - Failed parsing args.')
+            _bootstrap_logger.error("cli - Failed parsing args.")
             return False
-        _bootstrap_logger.info('cli - Received args from shell: %s', args)
+        _bootstrap_logger.info("cli - Received args from shell: %s", args)
 
         args = vars(args)
 
         cmd = self._lookup_command(args)
         if cmd is None:
-            _bootstrap_logger.critical('cli - Failed to find command.')
+            _bootstrap_logger.critical("cli - Failed to find command.")
             return False
 
         return self._invoke_command(cmd, args)
@@ -246,31 +227,31 @@ class CommandTree:
         # the CommandTree with no SubMenu (submenu will be disabled
         # in this case):
         if self._cmd_tree_is_single_command:
-            assert self._cmd_tree_is_single_command is True, 'corrupt data structure in CommandMenu'
-            assert self._entries is None, 'corrupt data structure in CommandMenu'
-            assert isinstance(self._single_command, CommandEntry), 'corrupt data structure in CommandMenu'
+            assert self._cmd_tree_is_single_command is True, "corrupt data structure in CommandMenu"
+            assert self._entries is None, "corrupt data structure in CommandMenu"
+            assert isinstance(self._single_command, CommandEntry), "corrupt data structure in CommandMenu"
             return self._single_command
 
         # There is at least one submenu we need to go down:
         else:
 
-            assert self._single_command is None, 'corrupt data structure in CommandMenu'
-            assert self._cmd_tree_is_single_command == False, 'corrupt data structure in CommandMenu'
+            assert self._single_command is None, "corrupt data structure in CommandMenu"
+            assert self._cmd_tree_is_single_command == False, "corrupt data structure in CommandMenu"
 
             # Key or variable name used by argparse to store the submenu options
-            argparse_param = self.submenu_param # e.g.: submenu_root
+            argparse_param = self.submenu_param  # e.g.: submenu_root
             submenu = self.entries[argparse_param]
 
             while True:
                 if argparse_param not in keys:
-                    print('root menu parameter not found in args:', argparse_param)
-                    input('<broken>')
+                    print("root menu parameter not found in args:", argparse_param)
+                    input("<broken>")
 
                 val = args.get(argparse_param)
-                _bootstrap_logger.debug('cli - argparse command is \'{}\' = {}'.format(argparse_param, val))
+                _bootstrap_logger.debug("cli - argparse command is '{}' = {}".format(argparse_param, val))
 
                 lookup = submenu.entries.get(val)
-                _bootstrap_logger.debug('cli - lookup, entries[{}] = {}'.format(val, lookup))
+                _bootstrap_logger.debug("cli - lookup, entries[{}] = {}".format(val, lookup))
 
                 # pop value
                 del args[argparse_param]
@@ -283,7 +264,7 @@ class CommandTree:
                     # return self._invoke_command(lookup, args)
 
                 else:
-                    raise app_container.NoCommandSpecified('No command specified.')
+                    raise app_container.NoCommandSpecified("No command specified.")
 
     def _invoke_command(self, cmd, args):
         command_to_be_invoked = cmd.callback
@@ -296,26 +277,24 @@ class CommandTree:
             if param.name in args:
                 func_args.append(args[param.name])
 
-        _bootstrap_logger.info('cli - function: %s', func)
-        _bootstrap_logger.info('cli - function args: %s', func_args)
+        _bootstrap_logger.info("cli - function: %s", func)
+        _bootstrap_logger.info("cli - function args: %s", func_args)
         return command_to_be_invoked(*func_args)
 
     def _get_subparser(self):
         return self.root_parser._subparsers._actions[1]
 
+
 class SubMenu:
     def __init__(self, parent, subparsers_obj, name):
-        self.parent = parent # Reference to root CommandTree
+        self.parent = parent  # Reference to root CommandTree
         self.subparsers_obj = subparsers_obj
         self.name = name
         self.submenu_path = None
 
         self.entries = {}
 
-    def register_command(
-        self, func, cmd_name=None, func_signature=None,
-        docstring=None
-    ):
+    def register_command(self, func, cmd_name=None, func_signature=None, docstring=None):
         """
         Registers a command as an entry in this submenu. Provided function is
         converted into argparse arguments and made available to the user.
@@ -345,7 +324,7 @@ class SubMenu:
         elif inspect.ismethod(func):
             pass
         else:
-            raise Exception('bad value passed in for function')
+            raise Exception("bad value passed in for function")
 
         if not cmd_name:
             # TODO(MG) Safer sanitation
@@ -369,56 +348,44 @@ class SubMenu:
         # Entry in local argparse._SubParsersAction
         # type = ArgumentParser
         child_node = self.subparsers_obj.add_parser(
-            cmd_name, # Note: cmd_name here will be the VALUE
-                      # passed into the argparse arg VARIABLE NAME
-                      # created when the SubMenu/argparse.add_subparsers()
-                      # was created.
+            cmd_name,  # Note: cmd_name here will be the VALUE
+            # passed into the argparse arg VARIABLE NAME
+            # created when the SubMenu/argparse.add_subparsers()
+            # was created.
             help=help_text,
-            description=description_text
+            description=description_text,
         )
 
         # For each paramter in the function create an argparse argument in
         # the child ArgumentParser created for this menu entry:
         for key in params:
-            if key == 'self':
+            if key == "self":
                 continue
             param = params[key]
 
-            if '=' in str(param):
+            if "=" in str(param):
                 if param.default is None:
-                    helptext = 'default provided'
+                    helptext = "default provided"
                 else:
                     helptext = "default = '{}'".format(param.default)
-                child_node.add_argument(
-                    key,
-                    help=helptext,
-                    nargs='?',
-                    default=param.default
-                )
+                child_node.add_argument(key, help=helptext, nargs="?", default=param.default)
             else:
-                helptext = 'required'
-                child_node.add_argument(
-                    key,
-                    help=helptext
-                )
+                helptext = "required"
+                child_node.add_argument(key, help=helptext)
 
         # Build the CommandEntry structure
         cmd = CommandEntry()
         cmd.argparse_node = child_node
-        cmd.cmd_name = cmd_name 
+        cmd.cmd_name = cmd_name
         cmd.func_signature = sig
         # cmd.func_ref = None
         cmd.callback = func
 
-        registered_name = '{}.{}'.format(
-            self.submenu_path,
-            cmd_name)
-        _bootstrap_logger.info('cli - registered command: %s', registered_name)
+        registered_name = "{}.{}".format(self.submenu_path, cmd_name)
+        _bootstrap_logger.info("cli - registered command: %s", registered_name)
         self.entries[cmd_name] = cmd
 
-    def create_submenu( 
-        self, var_name, cmd_entry_name=None, is_required=False
-    ):
+    def create_submenu(self, var_name, cmd_entry_name=None, is_required=False):
         """
         Creates a child-submenu.
 
@@ -443,54 +410,37 @@ class SubMenu:
         # Create an entry in self's submenu:
         # type = ArgumentParser
         entry_node = self.subparsers_obj.add_parser(
-            cmd_entry_name,
-            help='sub-submenu help',
-            description='sub-sub description')
+            cmd_entry_name, help="sub-submenu help", description="sub-sub description"
+        )
 
         # NOTE(MG) Fix for Python>=3.7,
         # argparse.ArgumentParser added 'required' argument.
         # Must also be written into CommandTree.init_submenu
-        func_args = {
-            'dest': var_name,
-            'metavar': var_name,
-            'required': is_required
-        }
-        if (
-            sys.version_info.major == 3
-            and sys.version_info.minor < 7
-        ):
+        func_args = {"dest": var_name, "metavar": var_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']
+                _bootstrap_logger.warn("Unable to enforce required submenu: Requires >= Python 3.7")
+            del func_args["required"]
         # END fix for Python<3.7
 
-
         # Turn entry into a submenu of it's own:
         # type = _SubParsersAction
-        subp_node = entry_node.add_subparsers(
-            **func_args
-        )
-    
-        submenu = SubMenu(
-            self.parent,
-            subp_node,
-            cmd_entry_name
-        )
+        subp_node = entry_node.add_subparsers(**func_args)
+
+        submenu = SubMenu(self.parent, subp_node, cmd_entry_name)
 
         submenu.var_name = var_name
 
-        submenu.submenu_path = '{}.{}'.format(self.submenu_path, cmd_entry_name)
+        submenu.submenu_path = "{}.{}".format(self.submenu_path, cmd_entry_name)
         submenu_name = submenu.submenu_path
 
-        _bootstrap_logger.info('cli - registered submenu: %s', submenu_name)
+        _bootstrap_logger.info("cli - registered submenu: %s", submenu_name)
         self.entries[cmd_entry_name] = submenu
         return submenu
 
     def __repr__(self):
-        return 'SubMenu({})<{}>'.format(
-            self.name,
-            ','.join(['cmds'])
-        )
+        return "SubMenu({})<{}>".format(self.name, ",".join(["cmds"]))
+
 
 class CommandEntry:
     """
@@ -506,18 +456,20 @@ class CommandEntry:
     arguments into argparse options (creating the documentation also). Similary,
     it can convert from argparse options into a function call.
     """
+
     def __init__(self):
         self.argparse_node = None
 
-        self.cmd_name = None # Don't think we need. And needs to be changed
-                             # from SubMenu
+        self.cmd_name = None  # Don't think we need. And needs to be changed
+        # from SubMenu
         self.menu_path = None
         self.func_signature = None
         self.func_ref = None
         self.callback = None
 
     def __repr__(self):
-        return 'CommandEntry<{}>'.format(self.cmd_name)
+        return "CommandEntry<{}>".format(self.cmd_name)
+
 
 class HelpGenerator:
     def __init__(self):
@@ -527,14 +479,14 @@ class HelpGenerator:
     def generate_help_from_sig(doctext):
         """
         The 'help' text is displayed next to the command when enumerating
-        the submenu commands. 
+        the submenu commands.
         """
         if doctext == None:
             return doctext
-        regex = '(.*?)[.?!]'
+        regex = "(.*?)[.?!]"
         match = re.match(regex, doctext, re.MULTILINE | re.DOTALL)
         if match:
-            return match.group(1) + '.'
+            return match.group(1) + "."
         return doctext
 
     @staticmethod
@@ -545,9 +497,8 @@ class HelpGenerator:
         """
         if doctext == None:
             return doctext
-        regex = '(.*?)[.?!]'
+        regex = "(.*?)[.?!]"
         match = re.match(regex, doctext, re.MULTILINE | re.DOTALL)
         if match:
-            return match.group(1) + '.'
+            return match.group(1) + "."
         return doctext
-

app_skellington/log.py

@@ -1,48 +1,41 @@
-from ._bootstrap import _bootstrap_logger, _logger_name
-from . import _util
-
-import appdirs
-import colorlog
 import logging
 import logging.config
 import os
 
+import appdirs
+
+from . import _util
+from ._bootstrap import _bootstrap_logger, _logger_name
+
 DEFAULT_LOG_SETTINGS = {
-    'formatters': {
-        'colored': {
-            'class': 'colorlog.ColoredFormatter',
+    "formatters": {
+        "colored": {
+            "class": "colorlog.ColoredFormatter",
             # 'format': '%(log_color)s%(levelname)-8s%(reset)s:%(log_color)s%(name)-5s%(reset)s:%(white)s%(message)s'
-            'format': '%(white)s%(name)7s%(reset)s|%(log_color)s%(message)s',
+            "format": "%(white)s%(name)7s%(reset)s|%(log_color)s%(message)s",
         }
     },
-
-    'handlers': {
-        'stderr': {
-            'class': 'logging.StreamHandler',
-            'level': 'debug',
-            'formatter': 'colored'
-        }
-    },
-
-    'loggers': {
-        'root': {
-            'handlers': ['stderr',],
-            'level': 'debug'
+    "handlers": {"stderr": {"class": "logging.StreamHandler", "level": "debug", "formatter": "colored"}},
+    "loggers": {
+        "root": {
+            "handlers": [
+                "stderr",
+            ],
+            "level": "debug",
         },
-        'app_skellington': {
+        "app_skellington": {
             # 'handlers': ['stderr',],
-            'level': 'critical',
-            'propagate': 'false'
-        }
-    }
+            "level": "critical",
+            "propagate": "false",
+        },
+    },
 }
 
+
 class LoggingLayer:
-    def __init__(
-        self, appname=None, appauthor=None
-    ):
-        self.appname = appname or ''
-        self.appauthor = appauthor or ''
+    def __init__(self, appname=None, appauthor=None):
+        self.appname = appname or ""
+        self.appauthor = appauthor or ""
         self.loggers = {}
 
     def __getitem__(self, k):
@@ -66,22 +59,22 @@ class LoggingLayer:
         """
         Set the logging level for the process. Verbosity is controlled by a
         parameter in the config.
-        
+
         Advice: While DEBUG verbosity is useful to debug, it can produce too much
         noise for typical operation.
         """
         if config_dict is None:
-            _bootstrap_logger.debug('log - No application logging configuration provided. Using default')
+            _bootstrap_logger.debug("log - No application logging configuration provided. Using default")
             config_dict = DEFAULT_LOG_SETTINGS
 
         self.transform_config(config_dict)
 
-        try:    
-            _bootstrap_logger.debug('log - Log configuration: %s', config_dict)
+        try:
+            _bootstrap_logger.debug("log - Log configuration: %s", config_dict)
             logging.config.dictConfig(config_dict)
-            _bootstrap_logger.debug('log - Configured all logging')
+            _bootstrap_logger.debug("log - Configured all logging")
         except Exception as ex:
-            print('unable to configure logging:', ex, type(ex))
+            print("unable to configure logging:", ex, type(ex))
 
     def transform_config(self, config_dict):
         """
@@ -89,48 +82,45 @@ class LoggingLayer:
         parameters and the final config dictionary passed into the logging module.
         """
         # Version should be hard-coded 1, per Python docs
-        if 'version' in config_dict:
-            if config_dict['version'] != 1:
+        if "version" in config_dict:
+            if config_dict["version"] != 1:
                 _bootstrap_logger.warn("logging['version'] must be '1' per Python docs")
-        config_dict['version'] = 1 
+        config_dict["version"] = 1
 
         self._add_own_logconfig(config_dict)
 
         # Replace logger level strings with value integers from module
-        for handler in config_dict['handlers']:
-            d = config_dict['handlers'][handler]
-            self._convert_str_to_loglevel(d, 'level')
+        for handler in config_dict["handlers"]:
+            d = config_dict["handlers"][handler]
+            self._convert_str_to_loglevel(d, "level")
 
         # Replace logger level strings with value integers from module
-        for logger in config_dict['loggers']:
-            d = config_dict['loggers'][logger]
-            self._convert_str_to_loglevel(d, 'level')
+        for logger in config_dict["loggers"]:
+            d = config_dict["loggers"][logger]
+            self._convert_str_to_loglevel(d, "level")
 
-
-        # Implementation note: 
+        # Implementation note:
         # app_skellington expects root logger configuration to be under 'root'
         # instead of '' (python spec) because '' is not a valid name in ConfigObj.
         try:
-            if config_dict['loggers'].get('root') is not None:
-                config_dict['loggers'][''] = config_dict['loggers']['root']
-                del config_dict['loggers']['root']
+            if config_dict["loggers"].get("root") is not None:
+                config_dict["loggers"][""] = config_dict["loggers"]["root"]
+                del config_dict["loggers"]["root"]
         except Exception as ex:
-            _bootstrap_logger.warn('was not able to find and patch root logger configuration from arguments')
-
+            _bootstrap_logger.warn("was not able to find and patch root logger configuration from arguments")
 
         # Evaluate the full filepath of the file handler
-        if 'file' not in config_dict['handlers']:
+        if "file" not in config_dict["handlers"]:
             return
 
-        if os.path.abspath(config_dict['handlers']['file']['filename']) ==\
-                           config_dict['handlers']['file']['filename']:
+        if os.path.abspath(config_dict["handlers"]["file"]["filename"]) == config_dict["handlers"]["file"]["filename"]:
             # Path is already absolute
             pass
         else:
             dirname = appdirs.user_log_dir(self.appname, self.appauthor)
             _util.ensure_dir_exists(dirname)
-            log_filepath = os.path.join(dirname, config_dict['handlers']['file']['filename'])
-            config_dict['handlers']['file']['filename'] = log_filepath
+            log_filepath = os.path.join(dirname, config_dict["handlers"]["file"]["filename"])
+            config_dict["handlers"]["file"]["filename"] = log_filepath
 
     def _add_own_logconfig(self, config_dict):
         # NOTE(MG) Monkey-patch logger
@@ -140,13 +130,11 @@ class LoggingLayer:
         # variable the second time, when it's being reloaded as a
         # logging configuration is read from config file.
         # See _bootstrap.py
-        if os.environ.get('APPSKELLINGTON_DEBUG', None):
-            if _logger_name not in config_dict['loggers']:
-                config_dict['loggers'][_logger_name] = {
-                    'level': 'debug', 'propagate': 'false'
-                }
+        if os.environ.get("APPSKELLINGTON_DEBUG", None):
+            if _logger_name not in config_dict["loggers"]:
+                config_dict["loggers"][_logger_name] = {"level": "debug", "propagate": "false"}
             else:
-                config_dict['loggers'][_logger_name]['level'] = 'debug'
+                config_dict["loggers"][_logger_name]["level"] = "debug"
 
     def _convert_str_to_loglevel(self, dict_, key):
         """
@@ -164,16 +152,15 @@ class LoggingLayer:
             s = dict_[key]
         except KeyError as ex:
             raise
-        if s == 'critical':
+        if s == "critical":
             dict_[key] = logging.CRITICAL
-        elif s == 'error':
+        elif s == "error":
             dict_[key] = logging.ERROR
-        elif s == 'warning':
+        elif s == "warning":
             dict_[key] = logging.WARNING
-        elif s == 'info':
+        elif s == "info":
             dict_[key] = logging.INFO
-        elif s == 'debug':
+        elif s == "debug":
             dict_[key] = logging.DEBUG
-        elif s == 'all':
+        elif s == "all":
             dict_[key] = logging.NOTSET
-

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+]
+
+[[package]]
+name = "tomli"
+version = "2.0.1"
+description = "A lil' TOML parser"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
+    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
+]
+
+[[package]]
+name = "typing-extensions"
+version = "4.12.2"
+description = "Backported and Experimental Type Hints for Python 3.8+"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "typing_extensions-4.12.2-py3-none-any.whl", hash = "sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d"},
+    {file = "typing_extensions-4.12.2.tar.gz", hash = "sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8"},
+]
+
+[[package]]
+name = "virtualenv"
+version = "20.26.3"
+description = "Virtual Python Environment builder"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "virtualenv-20.26.3-py3-none-any.whl", hash = "sha256:8cc4a31139e796e9a7de2cd5cf2489de1217193116a8fd42328f1bd65f434589"},
+    {file = "virtualenv-20.26.3.tar.gz", hash = "sha256:4c43a2a236279d9ea36a0d76f98d84bd6ca94ac4e0f4a3b9d46d05e10fea542a"},
+]
+
+[package.dependencies]
+distlib = ">=0.3.7,<1"
+filelock = ">=3.12.2,<4"
+platformdirs = ">=3.9.1,<5"
+
+[package.extras]
+docs = ["furo (>=2023.7.26)", "proselint (>=0.13)", "sphinx (>=7.1.2,!=7.3)", "sphinx-argparse (>=0.4)", "sphinxcontrib-towncrier (>=0.2.1a0)", "towncrier (>=23.6)"]
+test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess (>=1)", "flaky (>=3.7)", "packaging (>=23.1)", "pytest (>=7.4)", "pytest-env (>=0.8.2)", "pytest-freezer (>=0.4.8)", "pytest-mock (>=3.11.1)", "pytest-randomly (>=3.12)", "pytest-timeout (>=2.1)", "setuptools (>=68)", "time-machine (>=2.10)"]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.8"
+content-hash = "c20dac4ba2095b38a3009c1520b6cd1e9865cc50dff8559ddd767403898406c6"

pyproject.toml

@@ -0,0 +1,49 @@
+[tool.poetry]
+name = "app_skellington"
+version = "0.1.0"
+description = "app_skellington CLI framework"
+authors = [
+    "Mathew Guest <mathew.guest@davita.com>",
+]
+license = "Creative Commons"
+readme = "README.md"
+homepage = "https://zavage-software.com/portfolio/app_skellington"
+repository = "https://git-mirror.zavage.net/zavage-software/app_skellington"
+documentation = "https://git-mirror.zavage.net/zavage-software/app_skellington"
+keywords = [""]
+
+packages = [{ include = "app_skellington" }]
+include = [
+    "README.md",
+]
+
+# [tool.poetry.scripts]
+
+
+[tool.poetry.dependencies]
+python = "^3.8"
+# psycopg2-binary = "^2.9"
+
+[tool.poetry.group.dev.dependencies]
+black = "*"
+pre-commit = "*"
+isort = "*"
+flake8 = "*"
+#pytest = "^7.2"
+#Sphinx = "^5.3.0"
+#sphinx-rtd-theme = "^1.3.0"
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.black]
+line-length = 120
+target-version = ['py38']
+
+[tool.isort]
+multi_line_output = 3
+combine_as_imports = true
+include_trailing_comma = true
+force_grid_wrap = 3
+ensure_newline_before_comments = true

setup.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 #
 # Usage:
-# 
+#
 #   First, enable the python environment you want to install to, or if installing
 #   system-wide then ensure you're logged in with sufficient permissions
 #   (admin or root to install to system directories)
@@ -15,61 +15,52 @@
 #       $ pip uninstall app_skellington
 
 
-from setuptools import setup
 import os
 
-__project__ = 'app_skellington'
-__version__ = '0.1.1'
-__description__ = 'A high-powered command line menu framework.'
+from setuptools import setup
+
+__project__ = "app_skellington"
+__version__ = "0.1.1"
+__description__ = "A high-powered command line menu framework."
 
 long_description = __description__
-readme_filepath = os.path.join(
-    os.path.abspath(os.path.dirname(__file__)),
-    'README.md'
-)
-with open(readme_filepath, encoding='utf-8') as fp:
+readme_filepath = os.path.join(os.path.abspath(os.path.dirname(__file__)), "README.md")
+with open(readme_filepath, encoding="utf-8") as fp:
     long_description = fp.read()
 
 setup(
-    name             = __project__,
-    version          = __version__,
-    description      = 'A high-powered command line menu framework.',
-    long_description = long_description,
-    author           = 'Mathew Guest',
-    author_email     = 't3h.zavage@gmail.com',
-    url              = 'https://git-mirror.zavage.net/Mirror/app_skellington',
-    license          = 'MIT',
-
-    python_requires  = '>=3',
-
-    classifiers = [
-        'Development Status :: 3 - Alpha',
-        'Environment :: Console',
-        'Framework :: Pytest',
-        'Intended Audience :: Developers',
-        'Intended Audience :: System Administrators',
-        'License :: OSI Approved :: MIT License',
-        'Natural Language :: English',
-        'Operating System :: MacOS',
-        'Operating System :: Microsoft',
-        'Operating System :: Microsoft :: Windows',
-        'Operating System :: OS Independent',
-        'Operating System :: POSIX',
-        'Operating System :: POSIX :: Linux',
-        'Topic :: Software Development :: Libraries',
-        'Topic :: Utilities'
+    name=__project__,
+    version=__version__,
+    description="A high-powered command line menu framework.",
+    long_description=long_description,
+    author="Mathew Guest",
+    author_email="mat@zavage.net",
+    url="https://git-mirror.zavage.net/zavage-software/app_skellington",
+    license="MIT",
+    python_requires=">=3",
+    classifiers=[
+        "Development Status :: 3 - Alpha",
+        "Environment :: Console",
+        "Framework :: Pytest",
+        "Intended Audience :: Developers",
+        "Intended Audience :: System Administrators",
+        "License :: OSI Approved :: MIT License",
+        "Natural Language :: English",
+        "Operating System :: MacOS",
+        "Operating System :: Microsoft",
+        "Operating System :: Microsoft :: Windows",
+        "Operating System :: OS Independent",
+        "Operating System :: POSIX",
+        "Operating System :: POSIX :: Linux",
+        "Topic :: Software Development :: Libraries",
+        "Topic :: Utilities",
     ],
-
     # Third-party dependencies; will be automatically installed
-    install_requires = (
-      'appdirs',
-      'configobj',
-      'colorlog',
+    install_requires=(
+        "appdirs",
+        "configobj",
+        "colorlog",
     ),
-
     # Local packages to be installed (our packages)
-    packages = (
-        'app_skellington',
-    ),
+    packages=("app_skellington",),
 )
-

tests/cfg/test_cfg.py

@@ -1,45 +1,43 @@
-from app_skellington.cfg import Config
-from app_skellington import _util
-
 import pytest
 
+from app_skellington import _util
+from app_skellington.cfg import Config
+
+
 @pytest.fixture
 def sample_configspec_filepath():
-        return _util.get_asset(__name__, 'sample_config.spec')
+    return _util.get_asset(__name__, "sample_config.spec")
+
 
 @pytest.fixture
 def sample_configini_filepath():
-        return _util.get_asset(__name__, 'sample_config.ini')
+    return _util.get_asset(__name__, "sample_config.ini")
+
 
 @pytest.fixture
 def sample_full_configspec_filepath():
-        return _util.get_asset(__name__, 'sample_config_full.spec')
+    return _util.get_asset(__name__, "sample_config_full.spec")
+
 
 @pytest.fixture
 def sample_full_configini_filepath():
-        return _util.get_asset(__name__, 'sample_config_full.ini')
+    return _util.get_asset(__name__, "sample_config_full.ini")
+
 
 @pytest.fixture
 def sample_invalid_configspec_filepath():
-        return _util.get_asset(__name__, 'sample_config_invalid.spec')
+    return _util.get_asset(__name__, "sample_config_invalid.spec")
+
 
 class TestConfig_e2e:
-    def test_allows_reading_ini_and_no_spec(
-        self, sample_configini_filepath
-    ):
-        cfg = Config(
-            configini_filepath=sample_configini_filepath
-        )
-        assert cfg['root_option'] == 'root_option_val', 'expecting default from config.spec (didnt get)'
-        assert cfg['app']['sub_option'] == 'sub_option_val', 'expecting default for sub option'
+    def test_allows_reading_ini_and_no_spec(self, sample_configini_filepath):
+        cfg = Config(configini_filepath=sample_configini_filepath)
+        assert cfg["root_option"] == "root_option_val", "expecting default from config.spec (didnt get)"
+        assert cfg["app"]["sub_option"] == "sub_option_val", "expecting default for sub option"
 
-    def test_allows_reading_spec_and_no_ini(
-        self, sample_configspec_filepath
-    ):
-        cfg = Config(
-            configspec_filepath=sample_configspec_filepath
-        )
-        assert cfg['root_option'] == 'def_string', 'expecting default from config.spec (didnt get)'
+    def test_allows_reading_spec_and_no_ini(self, sample_configspec_filepath):
+        cfg = Config(configspec_filepath=sample_configspec_filepath)
+        assert cfg["root_option"] == "def_string", "expecting default from config.spec (didnt get)"
 
     # NOTE(MG) Changed the functionality to not do it this way.
     # def test_constructor_fails_with_invalid_spec(
@@ -50,48 +48,35 @@ class TestConfig_e2e:
     #             configspec_filepath=sample_invalid_configspec_filepath
     #         )
 
-    def test_allows_options_beyond_spec(
-        self, sample_configspec_filepath
-    ):
-        cfg = Config(
-            configspec_filepath=sample_configspec_filepath
-        )
-        cfg['foo'] = 'test my value'
-        assert cfg['foo'] == 'test my value'
+    def test_allows_options_beyond_spec(self, sample_configspec_filepath):
+        cfg = Config(configspec_filepath=sample_configspec_filepath)
+        cfg["foo"] = "test my value"
+        assert cfg["foo"] == "test my value"
 
-        cfg['app']['bar'] = 'another value'
-        assert cfg['app']['bar'] == 'another value'
+        cfg["app"]["bar"] = "another value"
+        assert cfg["app"]["bar"] == "another value"
 
     # def test_can_read_config_file_mutiple_times(self):
     #     pass
 
-    def test_can_override_config_file_manually(
-        self, sample_configini_filepath
-    ):
-        cfg = Config(
-            configini_filepath=sample_configini_filepath
-        )
-        cfg['root_option'] = 'newval'
-        assert cfg['root_option'] == 'newval'
+    def test_can_override_config_file_manually(self, sample_configini_filepath):
+        cfg = Config(configini_filepath=sample_configini_filepath)
+        cfg["root_option"] = "newval"
+        assert cfg["root_option"] == "newval"
 
-        cfg['app']['sub_option'] = 'another_new_val'
-        assert cfg['app']['sub_option'] == 'another_new_val', 'expecting default for sub option'
+        cfg["app"]["sub_option"] = "another_new_val"
+        assert cfg["app"]["sub_option"] == "another_new_val", "expecting default for sub option"
 
     def test_can_set_option_without_config(self):
         cfg = Config()
-        cfg['foo'] = 'test my value'
-        assert cfg['foo'] == 'test my value'
+        cfg["foo"] = "test my value"
+        assert cfg["foo"] == "test my value"
 
-        cfg['app'] = {}
-        cfg['app']['bar'] = 'another value'
-        assert cfg['app']['bar'] == 'another value'
-
-    def test_uses_spec_as_defaults(
-        self, sample_configspec_filepath
-    ):
-        cfg = Config(
-            configspec_filepath=sample_configspec_filepath
-        )
-        assert cfg['root_option'] == 'def_string', 'expecting default from config.spec (didnt get)'
-        assert cfg['app']['sub_option'] == 'def_sub', 'expecting default for sub option'
+        cfg["app"] = {}
+        cfg["app"]["bar"] = "another value"
+        assert cfg["app"]["bar"] == "another value"
 
+    def test_uses_spec_as_defaults(self, sample_configspec_filepath):
+        cfg = Config(configspec_filepath=sample_configspec_filepath)
+        assert cfg["root_option"] == "def_string", "expecting default from config.spec (didnt get)"
+        assert cfg["app"]["sub_option"] == "def_sub", "expecting default for sub option"

tests/test_cli.py

@@ -1,8 +1,7 @@
 from app_skellington.cli import CommandTree
 
+
 class TestCli_e2e:
     def test_null_constructor_works(self):
         x = CommandTree()
         assert True == True
-
-