From d5ca54a2f614baff95c0b6c485352af4dd0fcbc1 Mon Sep 17 00:00:00 2001
From: Scott Torborg <scott@crookedmedia.com>
Date: Mon, 2 Nov 2009 13:19:51 -1000
Subject: [PATCH] use python's locale stuff for currency formatting

---
 bluechips/model/types.py | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/bluechips/model/types.py b/bluechips/model/types.py
index d445481..673a366 100644
--- a/bluechips/model/types.py
+++ b/bluechips/model/types.py
@@ -2,11 +2,36 @@
 Define special types used in BlueChips
 """
 
+import locale
+
 import sqlalchemy as sa
 from bluechips.lib.subclass import SmartSubclass
 
 from weakref import WeakValueDictionary
 
+def localeconv():
+    "Manually install en_US for systems that don't have it."
+    d = {'currency_symbol': '$',
+     'decimal_point': '.',
+     'frac_digits': 2,
+     'grouping': [3, 3, 0],
+     'int_curr_symbol': 'USD ',
+     'int_frac_digits': 2,
+     'mon_decimal_point': '.',
+     'mon_grouping': [3, 3, 0],
+     'mon_thousands_sep': ',',
+     'n_cs_precedes': 1,
+     'n_sep_by_space': 0,
+     'n_sign_posn': 1,
+     'negative_sign': '-',
+     'p_cs_precedes': 1,
+     'p_sep_by_space': 0,
+     'p_sign_posn': 1,
+     'positive_sign': '',
+     'thousands_sep': ','}
+    return d
+locale.localeconv = localeconv
+
 class Currency(object):
     """
     Store currency values as an integral number of cents
@@ -80,10 +105,7 @@ class Currency(object):
     def __repr__(self):
         return '%s("%s")' % (self.__class__.__name__, str(self))
     def __str__(self):
-        sign = '-' if self.value < 0 else ''
-        cents = abs(self.value) % 100
-        dollars = (abs(self.value) - cents) / 100
-        return '%s$%s.%.02d' % (sign, dollars, cents)
+        return locale.currency(self.value / 100., grouping=True)
 
 class DBCurrency(sa.types.TypeDecorator):
     """
-- 
2.45.2