add bench helper

frappe/utils/bench_helper.py

@@ -0,0 +1,40 @@
+import click
+import frappe
+import importlib
+
+def main():
+	click.Group(commands=get_app_groups())()
+
+def get_cli_options():
+	pass
+
+def get_app_groups():
+	ret = {}
+	for app in get_apps():
+		app_group = get_app_group(app)
+		if app_group:
+			ret[app] = app_group
+	return ret
+
+def get_app_group(app):
+	app_commands = get_app_commands(app)
+	if app_commands:
+		return click.Group(name=app, commands=app_commands)
+
+def get_app_commands(app):
+	try:
+		app_command_module = importlib.import_module(app + '.commands')
+	except ImportError:
+		return []
+	
+	ret = {}
+	for command in getattr(app_command_module, 'commands', []):
+		ret[command.name] = command
+	return ret
+
+def get_apps():
+	return frappe.get_all_apps(with_internal_apps=False, sites_path='.')
+
+if __name__ == "__main__":
+	main()
+