Monkey-patching of formatLang to have clean display of float that are integers

base_usability/__init__.py

@@ -3,3 +3,4 @@
 from . import partner
 from . import mail
 from . import misc
+from . import report_sxw

base_usability/report_sxw.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models, api
+from odoo.report import report_sxw
+from openerp.tools import float_compare
+
+
+class BaseUsabilityInstalled(models.AbstractModel):
+    _name = "base.usability.installed"
+
+
+formatLang_original = report_sxw.rml_parse.formatLang
+
+
+def formatLang(
+        self, value, digits=None, date=False, date_time=False, grouping=True,
+        monetary=False, dp=False, currency_obj=False, int_no_digits=True):
+    with api.Environment.manage():
+        env = api.Environment(self.cr, self.uid, {})
+        if (
+                'base.usability.installed' in env and
+                int_no_digits and
+                isinstance(value, float) and
+                dp):
+            prec = env['decimal.precision'].precision_get(dp)
+            if not float_compare(value, int(value), precision_digits=prec):
+                digits = 0
+                dp = False
+    res = formatLang_original(
+        self, value, digits=digits, date=date, date_time=date_time,
+        grouping=grouping, monetary=monetary, dp=dp, currency_obj=currency_obj)
+    return res
+
+report_sxw.rml_parse.formatLang = formatLang