[ADD]show_unusual_days_on_calendar

show_unusual_days_on_calendar/models/calendar_event.py

@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models
+from datetime import datetime, time
+
+class CalendarEvent(models.Model):
+    _inherit = 'calendar.event'
+
+    @api.model
+    def get_unusual_days(self, date_from, date_to=None):
+        return self.env['hr.leave'].get_unusual_days(date_from, date_to=date_to)