experimental-accounting-api/accounting/client.py
2013-12-12 10:27:51 +01:00

131 lines
4.2 KiB
Python

import sys
import argparse
import json
import logging
from datetime import datetime
from decimal import Decimal
import requests
from accounting.models import Transaction, Posting, Amount
from accounting.transport import AccountingDecoder, AccountingEncoder
_log = logging.getLogger(__name__)
class Client:
def __init__(self, host=None, json_encoder=None,
json_decoder=None):
self.host = host or 'http://localhost:5000'
self.json_encoder = json_encoder or AccountingEncoder
self.json_decoder = json_decoder or AccountingDecoder
def get_balance(self):
balance = self.get('/balance')
return balance['balance_report']
def get(self, path):
response = requests.get(self.host + path)
return self._decode_response(response)
def _decode_response(self, response):
response_data = response.json(cls=self.json_decoder)
_log.debug('response_data: %s', response_data)
return response_data
def post(self, path, payload, **kw):
kw.update({'headers': {'Content-Type': 'application/json'}})
kw.update({'data': json.dumps(payload, cls=self.json_encoder)})
return self._decode_response(requests.post(self.host + path, **kw))
def simple_transaction(self, from_acc, to_acc, amount):
t = Transaction(
date=datetime.today(),
payee='PayPal donation',
postings=[
Posting(account=from_acc,
amount=Amount(symbol='$', amount=-amount)),
Posting(account=to_acc,
amount=Amount(symbol='$', amount=amount))
]
)
return self.post('/transaction', {'transactions': [t]})
def get_register(self):
register = self.get('/register')
return register['register_report']
def print_transactions(transactions):
for transaction in transactions:
print('{date} {t.payee:.<69}'.format(
date=transaction.date.strftime('%Y-%m-%d'),
t=transaction))
for posting in transaction.postings:
print(' ' + posting.account +
' ' * (80 - len(posting.account) - len(posting.amount.symbol) -
len(str(posting.amount.amount)) - 1 - 1) +
posting.amount.symbol + ' ' + str(posting.amount.amount))
def print_balance_accounts(accounts, level=0):
for account in accounts:
print(' ' * level + ' + {account.name}'.format(account=account) +
' ' + '-' * (80 - len(str(account.name)) - level))
for amount in account.amounts:
print(' ' * level + ' {amount.symbol} {amount.amount}'.format(
amount=amount))
print_balance_accounts(account.accounts, level+1)
def main(argv=None, prog=None):
global HOST
if argv is None:
prog = sys.argv[0]
argv = sys.argv[1:]
parser = argparse.ArgumentParser(prog=prog)
actions = parser.add_subparsers(title='Actions', dest='action')
insert = actions.add_parser('insert',
aliases=['in'])
insert.add_argument('from_account')
insert.add_argument('to_account')
insert.add_argument('amount', type=Decimal)
balance = actions.add_parser('balance', aliases=['bal'])
register = actions.add_parser('register', aliases=['reg'])
parser.add_argument('-v', '--verbosity',
default='WARNING',
help=('Filter logging output. Possible values:' +
' CRITICAL, ERROR, WARNING, INFO, DEBUG'))
parser.add_argument('--host', default='http://localhost:5000')
args = parser.parse_args(argv)
logging.basicConfig(level=getattr(logging, args.verbosity))
client = Client(args.host)
if args.action in ['insert', 'in']:
print(client.simple_transaction(args.from_account, args.to_account,
args.amount))
elif args.action in ['balance', 'bal']:
print_balance_accounts(client.get_balance())
elif args.action in ['register', 'reg']:
print_transactions(client.get_register())
else:
parser.print_help()
if __name__ == '__main__':
sys.exit(main())