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data/history minor cleanup

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This commit is contained in:
hroff-1902 2019-05-21 20:49:02 +03:00
parent 6dc2175e1f
commit 11dce91281
1 changed files with 14 additions and 12 deletions
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26
freqtrade/data/history.py
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@ -63,12 +63,8 @@ def load_tickerdata_file(
Load a pair from file, either .json.gz or .json
:return tickerlist or None if unsuccesful
"""
path = make_testdata_path(datadir)
pair_s = pair.replace('/', '_')
file = path.joinpath(f'{pair_s}-{ticker_interval}.json')
pairdata = misc.file_load_json(file)
filename = pair_data_filename(datadir, pair, ticker_interval)
pairdata = misc.file_load_json(filename)
if not pairdata:
return None
@ -142,11 +138,18 @@ def load_data(datadir: Optional[Path],
return result
def make_testdata_path(datadir: Optional[Path]) -> Path:
def make_datadir_path(datadir: Optional[Path]) -> Path:
"""Return the path where testdata files are stored"""
return datadir or (Path(__file__).parent.parent / "tests" / "testdata").resolve()
def pair_data_filename(datadir: Optional[Path], pair: str, ticker_interval: str) -> Path:
path = make_datadir_path(datadir)
pair_s = pair.replace("/", "_")
filename = path.joinpath(f'{pair_s}-{ticker_interval}.json')
return filename
def load_cached_data_for_updating(filename: Path, ticker_interval: str,
timerange: Optional[TimeRange]) -> Tuple[List[Any],
Optional[int]]:
@ -209,9 +212,7 @@ def download_pair_history(datadir: Optional[Path],
)
try:
path = make_testdata_path(datadir)
filepair = pair.replace("/", "_")
filename = path.joinpath(f'{filepair}-{ticker_interval}.json')
filename = pair_data_filename(datadir, pair, ticker_interval)
logger.info(
f'Download history data for pair: "{pair}", interval: {ticker_interval} '
@ -236,8 +237,9 @@ def download_pair_history(datadir: Optional[Path],
misc.file_dump_json(filename, data)
return True
except Exception:
except Exception as e:
logger.error(
f'Failed to download history data for pair: "{pair}", interval: {ticker_interval}.'
f'Failed to download history data for pair: "{pair}", interval: {ticker_interval}. '
f'Error: {e}'
)
return False