implementing the strategy_updater in a first version

freqtrade/commands/__init__.py

@@ -22,5 +22,6 @@ from freqtrade.commands.optimize_commands import (start_backtesting, start_backt
                                                   start_edge, start_hyperopt)
 from freqtrade.commands.pairlist_commands import start_test_pairlist
 from freqtrade.commands.plot_commands import start_plot_dataframe, start_plot_profit
+from freqtrade.commands.strategy_utils_commands import start_strategy_update
 from freqtrade.commands.trade_commands import start_trading
 from freqtrade.commands.webserver_commands import start_webserver

freqtrade/commands/arguments.py

@@ -115,6 +115,8 @@ NO_CONF_REQURIED = ["convert-data", "convert-trade-data", "download-data", "list
 
 NO_CONF_ALLOWED = ["create-userdir", "list-exchanges", "new-strategy"]
 
+ARGS_STRATEGY_UTILS = ARGS_COMMON_OPTIMIZE + ["strategy_list"]
+
 
 class Arguments:
     """
@@ -198,8 +200,8 @@ class Arguments:
                                         start_list_freqAI_models, start_list_markets,
                                         start_list_strategies, start_list_timeframes,
                                         start_new_config, start_new_strategy, start_plot_dataframe,
-                                        start_plot_profit, start_show_trades, start_test_pairlist,
-                                        start_trading, start_webserver)
+                                        start_plot_profit, start_show_trades, start_strategy_update,
+                                        start_test_pairlist, start_trading, start_webserver)
 
         subparsers = self.parser.add_subparsers(dest='command',
                                                 # Use custom message when no subhandler is added
@@ -440,3 +442,11 @@ class Arguments:
                                               parents=[_common_parser])
         webserver_cmd.set_defaults(func=start_webserver)
         self._build_args(optionlist=ARGS_WEBSERVER, parser=webserver_cmd)
+
+        # Add strategy_updater subcommand
+        strategy_updater_cmd = subparsers.add_parser('strategy-updater',
+                                                     help='updates outdated strategy'
+                                                          'files to the current version',
+                                                     parents=[_common_parser])
+        strategy_updater_cmd.set_defaults(func=start_strategy_update)
+        self._build_args(optionlist=ARGS_STRATEGY_UTILS, parser=strategy_updater_cmd)

freqtrade/commands/strategy_utils_commands.py

@@ -0,0 +1,37 @@
+import logging
+from typing import Any, Dict
+
+from freqtrade.configuration import setup_utils_configuration
+from freqtrade.enums import RunMode
+from freqtrade.resolvers import StrategyResolver
+
+
+logger = logging.getLogger(__name__)
+
+
+def start_strategy_update(args: Dict[str, Any]) -> None:
+    """
+    Start the strategy updating script
+    :param args: Cli args from Arguments()
+    :return: None
+    """
+
+    # Import here to avoid loading backtesting module when it's not used
+    from freqtrade.strategy.strategy_updater import strategy_updater
+
+    config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE)
+
+    strategy_objs = StrategyResolver.search_all_objects(
+        config, enum_failed=True, recursive=config.get('recursive_strategy_search', False))
+
+    filtered_strategy_objs = []
+    for args_strategy in args['strategy_list']:
+        for strategy_obj in strategy_objs:
+            if strategy_obj['name'] == args_strategy and strategy_obj not in filtered_strategy_objs:
+                filtered_strategy_objs.append(strategy_obj)
+                break
+
+    for filtered_strategy_obj in filtered_strategy_objs:
+        # Initialize backtesting object
+        instance_strategy_updater = strategy_updater()
+        strategy_updater.start(instance_strategy_updater, filtered_strategy_obj)