OpenERP-Module-Model.py File

gistfile1.txt

# -*- coding: utf-8 -*-

# First import python library or package or files
import smtplib

# Then import openerp related packages or libs
from osv import fields, osv
import addons



class model_name(osv.osv):

    def name_get(self, cr, uid, ids, context=None):
        if not ids:
            return []
        reads = self.read(cr, uid, ids, ['name','parent_id'], context=context)
        res = []

        # name_get: method return list 
        return res

    def _name_get_fnc(self, cr, uid, ids, prop, unknow_none, context=None):
        res = self.name_get(cr, uid, ids, context=context)
        return dict(res)

    _name = "model.name"
    _description = "Describe model in very short details."
    _columns = {
        'name': fields.char("Category", size=64, required=True),
        'complete_name': fields.function(_name_get_fnc, method=True, type="char", string='Name'),
        'parent_id': fields.many2one('hr.employee.category', 'Parent Category', select=True),
        'child_ids': fields.one2many('hr.employee.category', 'parent_id', 'Child Categories')
    }

    def _check_recursion(self, cr, uid, ids, context=None):
        # VERY USEFUL CODE TO TEST RECURSION IN PARENT-CHILD RELATIONS

        level = 100
        while len(ids):
            cr.execute('select distinct parent_id from hr_employee_category where id IN %s', (tuple(ids), ))
            ids = filter(None, map(lambda x:x[0], cr.fetchall()))
            if not level:
                return False
            level -= 1
        return True

    _constraints = [
        (_check_recursion, 'Error ! You cannot create recursive Categories.', ['parent_id'])
    ]

model_name()