[IMP] Show UserError and ValidationError generating excel report

report_xlsx/controllers/main.py

@@ -3,16 +3,19 @@
 
 from odoo.addons.web.controllers import main as report
 from odoo.http import content_disposition, route, request
+from odoo.exceptions import UserError, ValidationError
 from odoo.tools.safe_eval import safe_eval
 
 import json
 import time
+import werkzeug
 
 
 class ReportController(report.ReportController):
     @route()
     def report_routes(self, reportname, docids=None, converter=None, **data):
         if converter == 'xlsx':
+            try:
                 report = request.env['ir.actions.report']._get_report_from_name(
                     reportname)
                 context = dict(request.env.context)
@@ -36,6 +39,12 @@ class ReportController(report.ReportController):
                     obj = request.env[report.model].browse(docids[0])
                     report_name = safe_eval(report.print_report_name,
                                             {'object': obj, 'time': time})
+            except (UserError, ValidationError) as odoo_error:
+                raise werkzeug.exceptions.HTTPException(
+                    description='{error_name}. {error_value}'.format(
+                        error_name=odoo_error.name,
+                        error_value=odoo_error.value,
+                    ))
             xlsxhttpheaders = [
                 ('Content-Type', 'application/vnd.openxmlformats-'
                                  'officedocument.spreadsheetml.sheet'),