Allow resetting of the directory

freqtrade/configuration/arguments.py

@@ -37,7 +37,7 @@ ARGS_LIST_TIMEFRAMES = ["exchange", "print_one_column"]
 ARGS_LIST_PAIRS = ["exchange", "print_list", "list_pairs_print_json", "print_one_column",
                    "print_csv", "base_currencies", "quote_currencies", "list_pairs_all"]
 
-ARGS_CREATE_USERDIR = ["user_data_dir"]
+ARGS_CREATE_USERDIR = ["user_data_dir", "reset"]
 
 ARGS_DOWNLOAD_DATA = ["pairs", "pairs_file", "days", "download_trades", "exchange",
                       "timeframes", "erase"]

freqtrade/configuration/cli_options.py

@@ -62,6 +62,11 @@ AVAILABLE_CLI_OPTIONS = {
         help='Path to userdata directory.',
         metavar='PATH',
     ),
+    "reset": Arg(
+        '--reset',
+        help='Reset sample files to their original state.',
+        action='store_true',
+    ),
     # Main options
     "strategy": Arg(
         '-s', '--strategy',

freqtrade/configuration/directory_operations.py

@@ -53,10 +53,11 @@ def create_userdata_dir(directory: str, create_dir=False) -> Path:
     return folder
 
 
-def copy_sample_files(directory: Path) -> None:
+def copy_sample_files(directory: Path, overwrite: bool = False) -> None:
     """
     Copy files from templates to User data directory.
     :param directory: Directory to copy data to
+    :param overwrite: Overwrite existing sample files
     """
     if not directory.is_dir():
         raise OperationalException(f"Directory `{directory}` does not exist.")
@@ -67,6 +68,9 @@ def copy_sample_files(directory: Path) -> None:
             raise OperationalException(f"Directory `{targetdir}` does not exist.")
         targetfile = targetdir / source
         if targetfile.exists():
-            logger.warning(f"File `{targetfile}` exists already, not deploying sample file.")
-            continue
+            if not overwrite:
+                logger.warning(f"File `{targetfile}` exists already, not deploying sample file.")
+                continue
+            else:
+                logger.warning(f"File `{targetfile}` exists already, overwriting.")
         shutil.copy(str(sourcedir / source), str(targetfile))

freqtrade/utils.py

@@ -1,3 +1,4 @@
+from freqtrade.loggers import setup_logging
 import logging
 import sys
 from collections import OrderedDict
@@ -82,7 +83,7 @@ def start_create_userdir(args: Dict[str, Any]) -> None:
     """
     if "user_data_dir" in args and args["user_data_dir"]:
         userdir = create_userdata_dir(args["user_data_dir"], create_dir=True)
-        copy_sample_files(userdir)
+        copy_sample_files(userdir, overwrite=args["reset"])
     else:
         logger.warning("`create-userdir` requires --userdir to be set.")
         sys.exit(1)

tests/test_directory_operations.py

@@ -80,4 +80,7 @@ def test_copy_sample_files_errors(mocker, default_conf, caplog) -> None:
     mocker.patch.object(Path, "is_dir", MagicMock(return_value=True))
     mocker.patch.object(Path, "exists", MagicMock(return_value=True))
     copy_sample_files(Path('/tmp/bar'))
-    assert log_has_re(r"File `.*` exists already, not deploying sample.*", caplog)
+    assert log_has_re(r"File `.*` exists already, not deploying sample file\.", caplog)
+    caplog.clear()
+    copy_sample_files(Path('/tmp/bar'), overwrite=True)
+    assert log_has_re(r"File `.*` exists already, overwriting\.", caplog)