Replace calls to load_data

freqtrade/data/history.py

@@ -74,7 +74,7 @@ def load_tickerdata_file(
     path = make_testdata_path(datadir)
     pair_s = pair.replace('/', '_')
     file = path.joinpath(f'{pair_s}-{ticker_interval}.json')
-    gzipfile = file.with_suffix('.gz')
+    gzipfile = file.with_suffix(file.suffix + '.gz')
 
     # If the file does not exist we download it when None is returned.
     # If file exists, read the file, load the json
@@ -94,7 +94,7 @@ def load_tickerdata_file(
     return pairdata
 
 
-def load_data(datadir: Path,
+def load_data(datadir: Optional[Path],
               ticker_interval: str,
               pairs: List[str],
               refresh_pairs: Optional[bool] = False,

freqtrade/edge/__init__.py

@@ -1,9 +1,10 @@
 # pragma pylint: disable=W0603
 """ Edge positioning package """
 import logging
+from pathlib import Path
 from typing import Any, Dict, NamedTuple
-import arrow
 
+import arrow
 import numpy as np
 import utils_find_1st as utf1st
 from pandas import DataFrame
@@ -99,7 +100,7 @@ class Edge():
         logger.info('Using local backtesting data (using whitelist in given config) ...')
 
         data = history.load_data(
-            self.config['datadir'],
+            Path(self.config.get('datadir')) if self.config.get('datadir') else None,
             pairs=pairs,
             ticker_interval=self.ticker_interval,
             refresh_pairs=self._refresh_pairs,

freqtrade/optimize/backtesting.py

@@ -370,7 +370,7 @@ class Backtesting(object):
             timerange = Arguments.parse_timerange(None if self.config.get(
                 'timerange') is None else str(self.config.get('timerange')))
             data = history.load_data(
-                self.config['datadir'],
+                Path(self.config.get('datadir')) if self.config.get('datadir') else None,
                 pairs=pairs,
                 ticker_interval=self.ticker_interval,
                 refresh_pairs=self.config.get('refresh_pairs', False),

freqtrade/optimize/hyperopt.py

@@ -5,11 +5,12 @@ This module contains the hyperopt logic
 """
 
 import logging
-import multiprocessing
+from argparse import Namespace
 import os
 import sys
-from argparse import Namespace
+from pathlib import Path
 from math import exp
+import multiprocessing
 from operator import itemgetter
 from typing import Any, Dict, List
 
@@ -240,7 +241,7 @@ class Hyperopt(Backtesting):
         timerange = Arguments.parse_timerange(None if self.config.get(
             'timerange') is None else str(self.config.get('timerange')))
         data = load_data(
-            datadir=str(self.config.get('datadir')),
+            datadir=Path(self.config.get('datadir')) if self.config.get('datadir') else None,
             pairs=self.config['exchange']['pair_whitelist'],
             ticker_interval=self.ticker_interval,
             timerange=timerange

scripts/download_backtest_data.py

@@ -82,7 +82,7 @@ for pair in PAIRS:
             dl_file.unlink()
 
         print(f'downloading pair {pair}, interval {tick_interval}')
-        download_backtesting_testdata(str(dl_path), exchange=exchange,
+        download_backtesting_testdata(dl_path, exchange=exchange,
                                       pair=pair,
                                       tick_interval=tick_interval,
                                       timerange=timerange)