Add missing main to config

pyproject.toml

@@ -20,6 +20,7 @@ pytest = "^5.2"
 
 [tool.poetry.scripts]
 stechuhr-client = "stechuhr_client.client:main"
+config = "stechuhr_client.config:main"
 
 
 [build-system]

stechuhr_client/config.py

@@ -290,6 +290,94 @@ def read_config(config_path: str) -> dict:
     process_led_list_value(config, "success_on_time")
     return config
 
+def main():
+    """
+    Gets run only if config.py is called directly or via `poetry run config`
+    Entry point for the CLI application
+    """
+
+    # List of available commands and their respective functions
+    commands = {
+        "default" : print_default,
+        "paths": print_paths,
+        "directories": print_directories,
+        "create": create_config,
+        "test": test
+    }
+
+    # List of available options
+    availaible_options = [
+        ["-h", "--help"]
+    ]
+
+    # If no argument has been passed display the help and exit
+    if len(sys.argv) == 1:
+        print_help()
+        exit()
+
+    # Extract the command arguments
+    command_args = [c for c in sys.argv[1:] if not c.strip().startswith("-")]
+
+    # Extract the short_options
+    short_options = [c.lstrip("-") for c in sys.argv[1:] if c.strip().startswith("-") and not c.strip().startswith("--")]
+
+    # Flatten the short_options to e.g. so -1234 will result in ["1", "2", "3", "4"]
+    short_options = [item for sublist in short_options for item in sublist]
+
+    # Extract the long options
+    long_options = [c.lstrip("--") for c in sys.argv[1:] if c.strip().startswith("--")]
+
+    errored = False
+    # Short Options
+    for o in short_options:
+        if o not in [a[0].lstrip("-") for a in availaible_options]:
+            print("Error: the option \"-{}\" does not exist.".format(o), file=sys.stderr)
+            errored = True
+
+    # Long Options
+    for o in long_options:
+        if o not in [a[0].lstrip("--") for a in availaible_options]:
+            print("Error: the option \"--{}\" does not exist.".format(o), file=sys.stderr)
+            errored = True
+
+    # If any of the above errored, exit. This allows to display all errors at once
+    if errored:
+        print("\nCheck the available commands and options below:")
+        print()
+        print_help()
+        exit()
+
+    # Currently we only handle a single command
+    if len(command_args) == 1:
+        command = sys.argv[1]
+        # Short commands are allowed if they are not ambigous. E.g "te" will trigger "test"
+        if not any([c.startswith(command.strip().lower()) for c in commands.keys()]):
+            # No fitting command has been found, print helpt and exit
+            print_help()
+            exit()
+        elif len([c for c in commands.keys() if c.startswith(command.strip().lower())]) > 1:
+            # More than one fitting command has been found, display this message
+            print("Ambiguous Input: There are {} commands starting with \"{}\": {}".format(
+                len([c for c in commands.keys() if c.startswith(command.strip().lower())]),
+                command,
+                ", ".join([c for c in commands.keys() if c.startswith(command.strip().lower())])
+            ))
+        else:
+            # A command has been found:
+            choice = [c for c in commands.keys() if c.startswith(command.strip().lower())][0]
+
+            # If there is a -h or --help option, display the function's docstring
+            # otherwise execute the function
+            if "h" in short_options or "help" in long_options:
+                print("Help: config {}".format(commands[choice].__name__))
+                print(commands[choice].__doc__)
+            else:
+                commands[choice]()
+    else:
+        # If more than one command is given, display the help
+        print_help()
+
+
 
 def test():
     """