Files
bitfinex-api-py/bfxapi/utils/json_encoder.py

33 lines
1.0 KiB
Python

import json
from decimal import Decimal
from typing import List, Dict, Union
JSON = Union[Dict[str, "JSON"], List["JSON"], bool, int, float, str, None]
_CustomJSON = Union[Dict[str, "_CustomJSON"], List["_CustomJSON"], \
bool, int, float, str, Decimal, None]
def _strip(dictionary: Dict) -> Dict:
return { key: value for key, value in dictionary.items() if value is not None }
def _convert_data_to_json(data: _CustomJSON) -> JSON:
if isinstance(data, bool):
return int(data)
if isinstance(data, float):
return format(Decimal(repr(data)), "f")
if isinstance(data, Decimal):
return format(data, "f")
if isinstance(data, list):
return [ _convert_data_to_json(sub_data) for sub_data in data ]
if isinstance(data, dict):
return _strip({ key: _convert_data_to_json(value) for key, value in data.items() })
return data
class JSONEncoder(json.JSONEncoder):
def encode(self, o: _CustomJSON) -> str:
return json.JSONEncoder.encode(self, _convert_data_to_json(o))