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use decimal.Decimal instead of float to store amounts of money

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This commit is contained in:
Romain Bignon 2012-03-29 16:14:32 +02:00
commit b157e92d5b
28 changed files with 111 additions and 69 deletions
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13
weboob/applications/boobank/boobank.py
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@ -18,6 +18,7 @@
# along with weboob. If not, see <http://www.gnu.org/licenses/>.
from decimal import Decimal
import sys
from weboob.capabilities.bank import ICapBank, Account, Transaction
@ -123,8 +124,8 @@ class AccountListFormatter(IFormatter):
MANDATORY_FIELDS = ('id', 'label', 'balance', 'coming')
count = 0
tot_balance = 0.0
tot_coming = 0.0
tot_balance = Decimal(0)
tot_coming = Decimal(0)
def flush(self):
if self.count < 1:
@ -134,8 +135,8 @@ class AccountListFormatter(IFormatter):
result += u'%s Total %8s %8s' % ((' ' * 15) if not self.interactive else '',
'%.2f' % self.tot_balance, '%.2f' % self.tot_coming)
self.after_format(result)
self.tot_balance = 0.0
self.tot_coming = 0.0
self.tot_balance = Decimal(0)
self.tot_coming = Decimal(0)
self.count = 0
def format_dict(self, item):
@ -152,7 +153,7 @@ class AccountListFormatter(IFormatter):
result += '------------------------------------------%s+----------+----------\n' % (('-' * 15) if not self.interactive else '')
result += (u' %s%-' + (u'15' if self.interactive else '30') + u's%s %-25s %8s %8s') % \
(self.BOLD, id, self.NC,
item['label'], '%.2f' % item['balance'], '%.2f' % (item['coming'] or 0.0))
item['label'], '%.2f' % item['balance'], '%.2f' % (item['coming'] or Decimal(0.0)))
self.tot_balance += item['balance']
if item['coming']:
@ -281,7 +282,7 @@ class Boobank(ReplApplication):
id_to, backend_name_to = self.parse_id(id_to)
try:
amount = float(amount)
amount = Decimal(amount)
except (TypeError, ValueError):
print >>sys.stderr, 'Error: please give a decimal amount to transfer'
return 2