feat: get_backtest_market_change should support zip files

Author: xmatthias

freqtrade/data/btanalysis.py

@@ -279,7 +279,11 @@ def get_backtest_market_change(filename: Path, include_ts: bool = True) -> pd.Da
     """
     Read backtest market change file.
     """
-    df = pd.read_feather(filename)
+    if filename.suffix == ".zip":
+        data = load_file_from_zip(filename, f"{filename.stem}_market_change.feather")
+        df = pd.read_feather(BytesIO(data))
+    else:
+        df = pd.read_feather(filename)
     if include_ts:
         df.loc[:, "__date_ts"] = df.loc[:, "date"].astype(np.int64) // 1000 // 1000
     return df

freqtrade/rpc/api_server/api_backtest.py

@@ -350,10 +350,17 @@ def api_update_backtest_history_entry(
 )
 def api_get_backtest_market_change(file: str, config=Depends(get_config)):
     bt_results_base: Path = config["user_data_dir"] / "backtest_results"
-    file_abs = (bt_results_base / f"{file}_market_change").with_suffix(".feather")
-    # Ensure file is in backtest_results directory
-    if not is_file_in_dir(file_abs, bt_results_base):
+    for fn in (
+        Path(file).with_suffix(".zip"),
+        Path(f"{file}_market_change").with_suffix(".feather"),
+    ):
+        file_abs = bt_results_base / fn
+        # Ensure file is in backtest_results directory
+        if is_file_in_dir(file_abs, bt_results_base):
+            break
+    else:
         raise HTTPException(status_code=404, detail="File not found.")
+
     df = get_backtest_market_change(file_abs)
 
     return {