use Path.open() instead of open

freqtrade/configuration/load_config.py

@@ -58,7 +58,7 @@ def load_config_file(path: str) -> Dict[str, Any]:
     """
     try:
         # Read config from stdin if requested in the options
-        with open(path) if path != '-' else sys.stdin as file:
+        with Path(path).open() if path != '-' else sys.stdin as file:
             config = rapidjson.load(file, parse_mode=CONFIG_PARSE_MODE)
     except FileNotFoundError:
         raise OperationalException(

freqtrade/data/entryexitanalysis.py

@@ -24,9 +24,9 @@ def _load_signal_candles(backtest_dir: Path):
         scpf = Path(backtest_dir.parent / f"{backtest_dir.stem}_signals.pkl")
 
     try:
-        scp = open(scpf, "rb")
+        with scpf.open("rb") as scp:
-        signal_candles = joblib.load(scp)
+            signal_candles = joblib.load(scp)
-        logger.info(f"Loaded signal candles: {str(scpf)}")
+            logger.info(f"Loaded signal candles: {str(scpf)}")
     except Exception as e:
         logger.error("Cannot load signal candles from pickled results: ", e)
 

freqtrade/exchange/binance.py

@@ -195,7 +195,7 @@ class Binance(Exchange):
                 leverage_tiers_path = (
                     Path(__file__).parent / 'binance_leverage_tiers.json'
                 )
-                with open(leverage_tiers_path) as json_file:
+                with leverage_tiers_path.open() as json_file:
                     return json_load(json_file)
             else:
                 try:

freqtrade/misc.py

@@ -81,7 +81,7 @@ def file_dump_json(filename: Path, data: Any, is_zip: bool = False, log: bool =
     else:
         if log:
             logger.info(f'dumping json to "{filename}"')
-        with open(filename, 'w') as fp:
+        with filename.open('w') as fp:
             rapidjson.dump(data, fp, default=str, number_mode=rapidjson.NM_NATIVE)
 
     logger.debug(f'done json to "{filename}"')
@@ -98,7 +98,7 @@ def file_dump_joblib(filename: Path, data: Any, log: bool = True) -> None:
 
     if log:
         logger.info(f'dumping joblib to "{filename}"')
-    with open(filename, 'wb') as fp:
+    with filename.open('wb') as fp:
         joblib.dump(data, fp)
     logger.debug(f'done joblib dump to "{filename}"')
 
@@ -112,7 +112,7 @@ def json_load(datafile: IO) -> Any:
     return rapidjson.load(datafile, number_mode=rapidjson.NM_NATIVE)
 
 
-def file_load_json(file):
+def file_load_json(file: Path):
 
     if file.suffix != ".gz":
         gzipfile = file.with_suffix(file.suffix + '.gz')
@@ -125,7 +125,7 @@ def file_load_json(file):
             pairdata = json_load(datafile)
     elif file.is_file():
         logger.debug(f"Loading historical data from file {file}")
-        with open(file) as datafile:
+        with file.open() as datafile:
             pairdata = json_load(datafile)
     else:
         return None

freqtrade/optimize/backtest_caching.py

@@ -29,7 +29,7 @@ def get_strategy_run_id(strategy) -> str:
     # Include _ft_params_from_file - so changing parameter files cause cache eviction
     digest.update(rapidjson.dumps(
         strategy._ft_params_from_file, default=str, number_mode=rapidjson.NM_NAN).encode('utf-8'))
-    with open(strategy.__file__, 'rb') as fp:
+    with Path(strategy.__file__).open('rb') as fp:
         digest.update(fp.read())
     return digest.hexdigest().lower()
 

freqtrade/plugins/pairlist/RemotePairList.py

@@ -157,7 +157,7 @@ class RemotePairList(IPairList):
                 file_path = Path(filename)
 
                 if file_path.exists():
-                    with open(filename) as json_file:
+                    with file_path.open() as json_file:
                         # Load the JSON data into a dictionary
                         jsonparse = json.load(json_file)
 

tests/data/test_history.py

@@ -191,7 +191,7 @@ def test_load_cached_data_for_updating(mocker, testdatadir) -> None:
 
     test_data = None
     test_filename = testdatadir.joinpath('UNITTEST_BTC-1m.json')
-    with open(test_filename, "rt") as file:
+    with test_filename.open("rt") as file:
         test_data = json.load(file)
 
     test_data_df = ohlcv_to_dataframe(test_data, '1m', 'UNITTEST/BTC',

tests/optimize/test_optimize_reports.py

@@ -255,7 +255,7 @@ def test_write_read_backtest_candles(tmpdir):
 
     # test directory exporting
     stored_file = store_backtest_signal_candles(Path(tmpdir), candle_dict, '2022_01_01_15_05_13')
-    scp = open(stored_file, "rb")
+    scp = stored_file.open("rb")
     pickled_signal_candles = joblib.load(scp)
     scp.close()
 
@@ -269,7 +269,7 @@ def test_write_read_backtest_candles(tmpdir):
     # test file exporting
     filename = Path(tmpdir / 'testresult')
     stored_file = store_backtest_signal_candles(filename, candle_dict, '2022_01_01_15_05_13')
-    scp = open(stored_file, "rb")
+    scp = stored_file.open("rb")
     pickled_signal_candles = joblib.load(scp)
     scp.close()
 

tests/test_configuration.py

@@ -59,7 +59,7 @@ def test_load_config_incorrect_stake_amount(default_conf) -> None:
 def test_load_config_file(default_conf, mocker, caplog) -> None:
     del default_conf['user_data_dir']
     default_conf['datadir'] = str(default_conf['datadir'])
-    file_mock = mocker.patch('freqtrade.configuration.load_config.open', mocker.mock_open(
+    file_mock = mocker.patch('freqtrade.configuration.load_config.Path.open', mocker.mock_open(
         read_data=json.dumps(default_conf)
     ))
 
@@ -272,7 +272,7 @@ def test_load_config_max_open_trades_minus_one(default_conf, mocker, caplog) ->
 
 def test_load_config_file_exception(mocker) -> None:
     mocker.patch(
-        'freqtrade.configuration.configuration.open',
+        'freqtrade.configuration.configuration.Path.open',
         MagicMock(side_effect=FileNotFoundError('File not found'))
     )
 

tests/test_misc.py

@@ -46,7 +46,7 @@ def test_shorten_date() -> None:
 
 
 def test_file_dump_json(mocker) -> None:
-    file_open = mocker.patch('freqtrade.misc.open', MagicMock())
+    file_open = mocker.patch('freqtrade.misc.Path.open', MagicMock())
     json_dump = mocker.patch('rapidjson.dump', MagicMock())
     file_dump_json(Path('somefile'), [1, 2, 3])
     assert file_open.call_count == 1