def deserialize_trade(data: Dict[str, Any]) -> Trade:
"""
Takes a dict trade representation of our common trade format and serializes
it into the Trade object
May raise:
- UnknownAsset: If the fee_currency string is not a known asset
- DeserializationError: If any of the trade dict entries is not as expected
"""
pair = deserialize_trade_pair(data['pair'])
rate = deserialize_price(data['rate'])
amount = deserialize_asset_amount(data['amount'])
trade_type = deserialize_trade_type(data['trade_type'])
location = deserialize_location(data['location'])
trade_link = ''
if 'link' in data:
trade_link = data['link']
trade_notes = ''
if 'notes' in data:
trade_notes = data['notes']
return Trade(
timestamp=data['timestamp'],
location=location,
pair=pair,
trade_type=trade_type,
amount=amount,
rate=rate,
fee=deserialize_fee(data['fee']),
fee_currency=Asset(data['fee_currency']),
link=trade_link,
notes=trade_notes,
)
def _deserialize(
self,
value: str,
attr: Optional[str], # pylint: disable=unused-argument
data: Optional[Mapping[str, Any]], # pylint: disable=unused-argument
**_kwargs: Any,
) -> TradePair:
if not isinstance(value, str):
raise ValidationError(f'Provided non-string trade pair value {value}')
try:
trade_pair = deserialize_trade_pair(value)
except DeserializationError as e:
raise ValidationError(str(e))
return trade_pair