Removed overwrite option

docs/utils.md

@@ -429,6 +429,7 @@ usage: freqtrade hyperopt-list [-h] [-v] [--logfile FILE] [-V] [-c PATH]
                                [--min-total-profit FLOAT]
                                [--max-total-profit FLOAT] [--no-color]
                                [--print-json] [--no-details]
+                               [--export-csv FILE]
 
 optional arguments:
   -h, --help            show this help message and exit
@@ -450,9 +451,8 @@ optional arguments:
                         useful if you are redirecting output to a file.
   --print-json          Print best result detailization in JSON format.
   --no-details          Do not print best epoch details.
-  --export-csv FILE     Export to CSV-File. Put + in front of filename to
-                        overwrite. This will disable table print. Example:
-                        --export-csv +hyperopt.csv
+  --export-csv FILE     Export to CSV-File. This will disable table print.
+                        Example: --export-csv hyperopt.csv
 
 Common arguments:
   -v, --verbose         Verbose mode (-vv for more, -vvv to get all messages).
@@ -461,9 +461,10 @@ Common arguments:
                         details.
   -V, --version         show program's version number and exit
   -c PATH, --config PATH
-                        Specify configuration file (default: `config.json`).
-                        Multiple --config options may be used. Can be set to
-                        `-` to read config from stdin.
+                        Specify configuration file (default:
+                        `userdir/config.json` or `config.json` whichever
+                        exists). Multiple --config options may be used. Can be
+                        set to `-` to read config from stdin.
   -d PATH, --datadir PATH
                         Path to directory with historical backtesting data.
   --userdir PATH, --user-data-dir PATH

freqtrade/commands/cli_options.py

@@ -223,9 +223,9 @@ AVAILABLE_CLI_OPTIONS = {
     ),
     "export_csv": Arg(
         '--export-csv',
-        help='Export to CSV-File. Put + in front of filename to overwrite.'
+        help='Export to CSV-File.'
         ' This will disable table print.'
-        ' Example: --export-csv +hyperopt.csv',
+        ' Example: --export-csv hyperopt.csv',
         metavar='FILE',
     ),
     "hyperopt_jobs": Arg(

freqtrade/commands/hyperopt_commands.py

@@ -63,14 +63,8 @@ def start_hyperopt_list(args: Dict[str, Any]) -> None:
         Hyperopt.print_epoch_details(results, total_epochs, print_json, no_header)
 
     if trials and export_csv:
-        overwrite_csv = False
-        if export_csv[0] == '+':
-            overwrite_csv = True
-            export_csv = export_csv[1:]
-
         Hyperopt.export_csv_file(
-            config, trials, total_epochs,
-            not filteroptions['only_best'], export_csv, overwrite_csv
+            config, trials, total_epochs, not filteroptions['only_best'], export_csv
         )
 
 

freqtrade/optimize/hyperopt.py

@@ -385,7 +385,7 @@ class Hyperopt:
 
     @staticmethod
     def export_csv_file(config: dict, results: list, total_epochs: int, highlight_best: bool,
-                        csv_file: str, overwrite: bool) -> None:
+                        csv_file: str) -> None:
         """
         Log result to csv-file
         """
@@ -393,8 +393,8 @@ class Hyperopt:
             return
 
         # Verification for overwrite
-        if not overwrite and path.isfile(csv_file):
-            logging.error("CSV-File already exists and no overwrite specified!")
+        if path.isfile(csv_file):
+            logging.error("CSV-File already exists!")
             return
 
         try:

tests/commands/test_commands.py

@@ -905,7 +905,7 @@ def test_hyperopt_list(mocker, capsys, hyperopt_results):
     args = [
         "hyperopt-list",
         "--no-details",
-        "--export-csv", "+test_file.csv"
+        "--export-csv", "test_file.csv"
     ]
     pargs = get_args(args)
     pargs['config'] = None