New command "mpf init" to initialize a project folder

mpf/commands/init.py

@@ -0,0 +1,69 @@
+"""Command to initialize an MPF project folder."""
+
+import os
+import pathlib
+import shutil
+
+SUBCOMMAND = True
+INITIAL_MODES = ("attract", "base")
+
+class Command:
+
+    """Initializes an MPF project folder."""
+
+    __slots__ = ("path", )
+
+    def __init__(self, argv, path):
+        """Generate config and mode folders."""
+        # If a path is provided, use it
+        if len(argv) > 1:
+            path = os.path.join(path, argv[1])
+        self.path = path
+
+        print(f"Initializing MPF project at path {self.path}")
+
+        try:
+            os.stat(self.path)
+        except FileNotFoundError:
+            os.makedirs(self.path)
+
+        self.generate_config_file()
+        self.generate_mode_folder()
+
+        print("MPF project initialization complete!")
+
+    def generate_config_file(self):
+        # Create the config folder
+        config_dir = os.path.join(self.path, "config")
+        try:
+            os.stat(config_dir)
+        except FileNotFoundError:
+            os.mkdir(config_dir)
+
+        config_file = os.path.join(config_dir, "config.yaml")
+        try:
+            os.stat(config_file)
+        except FileNotFoundError:
+            base_config_file = os.path.join(pathlib.Path(__file__).parent.absolute(), "templates/config.yaml")
+            shutil.copy2(base_config_file, config_file)
+
+    def generate_mode_folder(self):
+        mode_dir = os.path.join(self.path, "modes")
+        try:
+            os.stat(mode_dir)
+        except FileNotFoundError:
+            os.mkdir(mode_dir)
+
+
+        for mode in INITIAL_MODES:
+            mode_path = os.path.join(mode_dir, mode, "config")
+            try:
+                os.stat(mode_path)
+            except FileNotFoundError:
+                os.makedirs(mode_path)
+            mode_config = os.path.join(mode_path, f"{mode}.yaml")
+            try:
+                os.stat(mode_config)
+            except FileNotFoundError:
+                mode_config_template = os.path.join(pathlib.Path(__file__).parent.absolute(), f"templates/{mode}.yaml")
+                shutil.copy2(mode_config_template, mode_config)

mpf/commands/templates/attract.yaml

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+#config_version=6
+
+# Attract mode that starts when the machine boots up, stops
+# whenever a game is started, and re-starts after the game ends.
+
+slide_player:
+  mode_attract_started: attract

mpf/commands/templates/base.yaml

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+#config_version=6
+
+# Base mode that starts at the beginning of each ball
+# and stops at the end of each ball.
+
+mode:
+  start_events: ball_starting
+  stop_events: ball_will_end
+  priority: 100

mpf/commands/templates/config.yaml

@@ -0,0 +1,12 @@
+#config_version=6
+
+## MPF Main Machine Config File
+#
+# This file defines your system-wide properties like switches,
+# drivers, ball devices, hardware platforms, and more. You can
+# include everything here, or create sub-config files to be
+# imported and merged with this one.
+
+modes:
+  - attract
+  - base