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https://github.com/aljazceru/bitfinex-api-py.git
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37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
import json
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from decimal import Decimal
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from typing import \
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Union, List, Dict, \
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Any
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_ExtJSON = Union[Dict[str, "_ExtJSON"], List["_ExtJSON"], \
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bool, int, float, str, Decimal, None]
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_StrictJSON = Union[Dict[str, "_StrictJSON"], List["_StrictJSON"], \
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int, str, None]
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def _clear(dictionary: Dict[str, Any]) -> Dict[str, Any]:
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return { key: value for key, value in dictionary.items() \
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if value is not None }
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def _adapter(data: _ExtJSON) -> _StrictJSON:
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if isinstance(data, bool):
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return int(data)
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if isinstance(data, float):
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return format(Decimal(repr(data)), "f")
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if isinstance(data, Decimal):
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return format(data, "f")
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if isinstance(data, list):
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return [ _adapter(sub_data) for sub_data in data ]
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if isinstance(data, dict):
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return _clear({ key: _adapter(value) for key, value in data.items() })
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return data
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class JSONEncoder(json.JSONEncoder):
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def encode(self, o: _ExtJSON) -> str:
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return super().encode(_adapter(o))
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