[ADD] reporting-context

report_context/models/ir_actions_report.py

@@ -0,0 +1,36 @@
+# Copyright 2019 Creu Blanca
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo.tools.safe_eval import safe_eval
+from odoo import api, fields, models
+
+
+class IrActionsReport(models.Model):
+    _inherit = 'ir.actions.report'
+
+    context = fields.Char(
+        string='Context Value', default={},
+        required=True,
+        help="Context dictionary as Python expression, empty by default "
+             "(Default: {})")
+
+    def _get_context(self):
+        self.ensure_one()
+        context = self.env['ir.config_parameter'].sudo().get_param(
+            'report.default.context', '{}')
+        # We must transform it to a dictionary
+        context = safe_eval(context or '{}')
+        report_context = safe_eval(self.context or '{}')
+        context.update(report_context)
+        context.update(self.env.context)
+        return context
+
+    @api.multi
+    def render(self, res_ids, data=None):
+        return super(IrActionsReport, self.with_context(
+            self._get_context())).render(res_ids, data=data)
+
+    @api.noguess
+    def report_action(self, docids, data=None, config=True):
+        return super(IrActionsReport, self.with_context(
+            self._get_context()
+        )).report_action(docids, data=data, config=config)