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revert to dataframe.to_json

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This commit is contained in:
Timothy Pogue 2023-01-10 17:52:24 -07:00
parent f677dea6a4
commit 97a6fb285f
1 changed files with 1 additions and 10 deletions
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11
freqtrade/misc.py
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@ -10,7 +10,6 @@ from typing import Any, Dict, Iterator, List, Mapping, Union
from typing.io import IO
from urllib.parse import urlparse
import orjson
import pandas as pd
import rapidjson
@ -263,15 +262,7 @@ def dataframe_to_json(dataframe: pd.DataFrame) -> str:
:param dataframe: A pandas DataFrame
:returns: A JSON string of the pandas DataFrame
"""
# https://github.com/pandas-dev/pandas/issues/24889
# https://github.com/pandas-dev/pandas/issues/40443
# We need to convert to a dict to avoid mem leak
def default(z):
if isinstance(z, pd.Timestamp):
return z.timestamp() * 1e3
raise TypeError
return str(orjson.dumps(dataframe.to_dict(orient='split'), default=default), 'utf-8')
return dataframe.to_json(orient='split')
def json_to_dataframe(data: str) -> pd.DataFrame: