Get The Access Type in Odoo Model Constraint

Question

The Truble Happening when i was working with @api.constaint

i want to check whether current situation is Create or Update.. I want to Do the Action only for Update Method. Not For Create. The @api.contstraint will work on Create too. How i check it. whether current context is Create or Update

Mohammed Amal N · Accepted Answer

Hi
The function which work when a model is updated is *write* you can use it for your validation.
@api.multi
def write(self, values):
res = super(ClassName, self).write(values)
#  your code
return  res  For create use *def create*

Nicolás Mena · Answer

According the documentation the @api.constrains will invoke the method decorated everytime the record gets modified so it will be invoked on create , update or any method who modify the data.
ref: https://www.odoo.com/documentation/9.0/reference/orm.html#openerp.api.constrains
So, you can override the update method and add your validation at the start of the method, you have to write the code in the same py file of your class, if you're using a stock model, i suggest you create a model who inher

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