[ADD] decimal precision support to float t-field rendering

bzr revid: xmo@openerp.com-20131021094533-e510uy6byck85xma

addons/decimal_precision/decimal_precision.py

@@ -22,9 +22,9 @@
 import openerp
 from openerp import SUPERUSER_ID
 from openerp import tools
-from openerp.osv import osv, fields
+from openerp.osv import orm, fields
 
-class decimal_precision(osv.osv):
+class decimal_precision(orm.Model):
     _name = 'decimal.precision'
     _columns = {
         'name': fields.char('Usage', size=50, select=True, required=True),
@@ -71,4 +71,29 @@ def get_precision(application):
         return (16, res)
     return change_digit
 
+class DecimalPrecisionFloat(orm.AbstractModel):
+    """ Override qweb.field.float to add a `decimal_precision` domain option
+    and use that instead of the column's own value if it is specified
+    """
+    _inherit = 'ir.qweb.field.float'
+
+
+    def precision(self, cr, uid, column, options=None, context=None):
+        dp = options and options.get('decimal_precision')
+        if dp:
+            return self.pool['decimal.precision'].precision_get(
+                cr, uid, dp)
+
+        return super(DecimalPrecisionFloat, self).precision(
+            cr, uid, column, options=options, context=context)
+
+class DecimalPrecisionTestModel(orm.Model):
+    _name = 'decimal.precision.test'
+
+    _columns = {
+        'float': fields.float(),
+        'float_2': fields.float(digits=(16, 2)),
+        'float_4': fields.float(digits=(16, 4)),
+    }
+
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:

addons/decimal_precision/tests/__init__.py

@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+import test_qweb_float
+
+checks = [
+    test_qweb_float
+]

addons/decimal_precision/tests/test_qweb_float.py

@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+from openerp.tests import common
+
+class TestFloatExport(common.TransactionCase):
+    def setUp(self):
+        super(TestFloatExport, self).setUp()
+        self.Model = self.registry('decimal.precision.test')
+
+    def get_converter(self, name):
+        converter = self.registry('ir.qweb.field.float')
+        column = self.Model._all_columns[name].column
+
+        return lambda value, options=None: converter.value_to_html(
+            self.cr, self.uid, value, column, options=options, context=None)
+
+    def test_basic_float(self):
+        converter = self.get_converter('float')
+        self.assertEqual(
+            converter(42.0),
+            "42.0")
+        self.assertEqual(
+            converter(42.12345),
+            "42.12345")
+
+        converter = self.get_converter('float_2')
+        self.assertEqual(
+            converter(42.0),
+            "42.00")
+        self.assertEqual(
+            converter(42.12345),
+            "42.12")
+
+        converter = self.get_converter('float_4')
+        self.assertEqual(
+            converter(42.0),
+            '42.0000')
+        self.assertEqual(
+            converter(42.12345),
+            '42.1234')
+
+    def test_precision_domain(self):
+        DP = self.registry('decimal.precision')
+        DP.create(self.cr, self.uid, {
+            'name': 'A',
+            'digits': 2,
+        })
+        DP.create(self.cr, self.uid, {
+            'name': 'B',
+            'digits': 6,
+        })
+
+        converter = self.get_converter('float')
+        self.assertEqual(
+            converter(42.0, {'decimal_precision': 'A'}),
+            '42.00')
+        self.assertEqual(
+            converter(42.0, {'decimal_precision': 'B'}),
+            '42.000000')
+
+        converter = self.get_converter('float_4')
+        self.assertEqual(
+            converter(42.12345, {'decimal_precision': 'A'}),
+            '42.12')
+        self.assertEqual(
+            converter(42.12345, {'decimal_precision': 'B'}),
+            '42.123450')