Return Decimal value for numeric search for issue1805

(transplanted from 6dcc64647e04d84180e7db50e4e86f99335c3fb8)

tryton/gui/window/view_form/widget_search/float.py

@@ -1,6 +1,7 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 import locale
+from decimal import Decimal
 from integer import Integer
 import gettext
 
@@ -64,3 +65,23 @@ class Float(Integer):
                 widget.stop_emission('insert-text')
         except:
             widget.stop_emission('insert-text')
+
+
+class Numeric(Float):
+
+    def _value_get(self):
+        try:
+            value1 = Decimal(str(locale.atof(self.entry1.get_text())))
+        except Exception:
+            value1 = False
+        try:
+            value2 = Decimal(str(locale.atof(self.entry2.get_text())))
+        except Exception:
+            value2 = False
+        res = self._get_clause(value1, value2)
+        return res
+
+    def _value_set(self, value):
+        super(Numeric, self)._value_set(value)
+
+    value = property(_value_get, _value_set)

tryton/gui/window/view_form/widget_search/form.py

@@ -284,7 +284,7 @@ WIDGETS_TYPE = {
     'date': (calendar.Calendar, 2),
     'datetime': (calendar.Calendar, 2),
     'float': (float.Float, 2),
-    'numeric': (float.Float, 2),
+    'numeric': (float.Numeric, 2),
     'integer': (integer.Integer, 2),
     'biginteger': (integer.Integer, 2),
     'selection': (selection.Selection, 2),