Don't just truncate value.

Round it really.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6712 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Base_getRoundValue.xml

@@ -69,7 +69,22 @@
             <value> <string encoding="cdata"><![CDATA[
 
 try:\n
-  return float( (\'%.\' + str(precision) + \'f\') % float(value))\n
+  # Round the value\n
+  # Fortunately, the round() python method follow french fiscal rules.\n
+  # Exemples:\n
+  #   116.5049 should be rounded to 116.50\n
+  #   116.505  should be rounded to 116.51\n
+  #   116.5051 should be rounded to 116.51\n
+  # Please check in your country if the round() method comply with local accounting and fiscal laws.\n
+  rounded_value = round(value, precision)\n
+\n
+  # Truncate the rounded value\n
+  trunc_value = (\'%.\' + str(precision) + \'f\') % rounded_value\n
+\n
+  if as_string:\n
+    return trunc_value\n
+  return float(trunc_value)\n
+\n
 except:\n
   context.log("bad convertion >>>", repr(context) + " | " + repr(value) + " | " + repr(precision))\n
   return 0.0\n
@@ -95,7 +110,7 @@ except:\n
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>value, precision</string> </value>
+            <value> <string>value, precision, as_string=False</string> </value>
         </item>
         <item>
             <key> <string>errors</string> </key>
@@ -115,7 +130,7 @@ except:\n
                   <dictionary>
                     <item>
                         <key> <string>co_argcount</string> </key>
-                        <value> <int>2</int> </value>
+                        <value> <int>3</int> </value>
                     </item>
                     <item>
                         <key> <string>co_varnames</string> </key>
@@ -123,8 +138,12 @@ except:\n
                           <tuple>
                             <string>value</string>
                             <string>precision</string>
-                            <string>float</string>
+                            <string>as_string</string>
+                            <string>round</string>
+                            <string>rounded_value</string>
                             <string>str</string>
+                            <string>trunc_value</string>
+                            <string>float</string>
                             <string>_getattr_</string>
                             <string>context</string>
                             <string>repr</string>
@@ -139,7 +158,9 @@ except:\n
         <item>
             <key> <string>func_defaults</string> </key>
             <value>
-              <none/>
+              <tuple>
+                <int>0</int>
+              </tuple>
             </value>
         </item>
         <item>