How to set the Advanced filters in OpenERP

Step-1 Install the web_advanced_filters module. Step-2 After that custmozie .py(Python file) file in web_advanced_filters module: In below example, I have custmozied .py file. You can directly copy the below python code in your .py file.

1. class IrFilters(Model):
2. _inherit = 'ir.filters'
3. _evaluate_before_negate = ['one2many', 'many2many']
5. def _is_frozen_get(self, cr, uid, ids, field_name, args, context=None):
6. '''determine if this is fixed list of ids'''
7. result = {}
8. for this in self.browse(cr, uid, ids, context=context):
9. try:
10. domain = safe_eval(this.domain)
11. except:
12. domain = [expression.FALSE_LEAF]
13. result[this.id] = (len(domain) == 1 and
14. expression.is_leaf(domain[0]) and
15. domain[0][0] == 'id')
16. return result
18. def _domain_get(self, cr, uid, ids, field_name, args, context=None):
19. ...........

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