Hello odooers & developers,
Its odoo tips and tricks article, where I would like to share more knowledge about the ensure_one in odoo
as an odoo developer, knowing the fundamentals of ensure_one in odoo behaviour, its Syntax, and how we can use the ensure_one in odoo is essential.
Explore ensure_one in odoo :-
- The ensure_one() method in Odoo serves as a critical safeguarding mechanism within your custom methods. It guarantees that the recordset passed to the method contains precisely one record. This prevents potential errors that could arise when a method assumes it's working with a single record but receives either an empty recordset (no records) or a recordset with multiple records.
Use of ensure_one in odoo :-
- By raising a clear exception if the recordset size isn't 1, ensure_one() proactively halts the method's execution, protecting you from unforeseen errors and unexpected behavior.
- Utilize ensure_one() whenever your method's functionality is explicitly designed to work with a single record. Like, When a method is intended to update a specific record's data, A deletion method should only take one record as input. ensure_one() ensures you're working with the correct record.
Ensure_one in odoo usage and Syntax:
.py
class Employee(models.Model):
_name = 'hr.employee'
name = fields.Char(string='Name')
def promote(self):
self.ensure_one() # Ensure exactly one employee record
# Logic to promote the employee (e.g., update a salary field)
self.write({'salary': self.salary * 1.1}) # Increase salary by 10%
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When and Why to Use ensure_one() in Odoo