+
+
Source code for accounting.transport
+from datetime import datetime
+
+from flask import json
+
+from accounting.models import Amount, Transaction, Posting, Account
+
+[docs]class AccountingEncoder(json.JSONEncoder):
+
[docs] def default(self, o):
+
if isinstance(o, Account):
+
return dict(
+
__type__=o.__class__.__name__,
+
name=o.name,
+
amounts=o.amounts,
+
accounts=o.accounts
+
)
+
elif isinstance(o, Transaction):
+
return dict(
+
__type__=o.__class__.__name__,
+
date=o.date.strftime('%Y-%m-%d'),
+
payee=o.payee,
+
postings=o.postings,
+
metadata=o.metadata
+
)
+
elif isinstance(o, Posting):
+
return dict(
+
__type__=o.__class__.__name__,
+
account=o.account,
+
amount=o.amount,
+
metadata=o.metadata
+
)
+
elif isinstance(o, Amount):
+
return dict(
+
__type__=o.__class__.__name__,
+
amount=str(o.amount),
+
symbol=o.symbol
+
)
+
elif isinstance(o, Exception):
+
return dict(
+
__type__=o.__class__.__name__,
+
args=o.args
+
)
+
+
return json.JSONEncoder.default(self, o)
+
+[docs]class AccountingDecoder(json.JSONDecoder):
+
def __init__(self):
+
json.JSONDecoder.__init__(self, object_hook=self.dict_to_object)
+
+
[docs] def dict_to_object(self, d):
+
if '__type__' not in d:
+
return d
+
+
types = {c.__name__ : c for c in [Amount, Transaction, Posting,
+
Account]}
+
+
_type = d.pop('__type__')
+
+
if _type == 'Transaction':
+
d['date'] = datetime.strptime(d['date'], '%Y-%m-%d')
+
+
return types[_type](**d)
+
+
+