Best way to automatically create and add a product to purchase.order.line ?

Question

Hi !
I'm creating a shipping module for purchase order.
Now that i've created the config part, I want to create and add automatically a line to a po when the po is generated, either by hand, or by purchase requisition.
This line must be a product, with description and price based on the config part and the supplier who will receive the po.
My idea is to create a function to do the stuff, but I don't know where to call this function, and if it's possible to create and add the "shipping" product.

aharoen · Accepted Answer

You can inherit the purchase.order object and define create method that will be triggered when po generated.
from openerp.osv import fields, osv
class purchase_order(osv.osv):
_inherit='purchase.order'
create(cr, user, vals, context=None)
super(purchase_order,self).create((cr, user, vals, context)
#--------------TODO-----------------
#Here are your code for inserting record to *purchase.order.line object
#------------END TODO-------------

fadmawaty marbun · Answer

hai py.. Can you tell me about your new module, its interesting,

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