testfile.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <form>
        <!-- readonly should give: -->
        <!-- (field1 == 'yes' and field2 != parent.some_field) or (field3 == uid or 'some-string'.lower() in field4.lower()) or 'yes' not in field5 and field6 == 'yes' -->
        <field string="foo" attrs="{'invisible': True, 'readonly': ['|', '|', '&amp;', ('field1', '=', 'yes'), ('field2', '!=', parent.some_field), '|', ('field3', '=', uid), ('field4', '=ilike', 'some-string'), ('field5', 'not like', 'yes'), ('field6', '=', 'yes')], 'required': [('field', 'in', ['a', 'b', 'c']), ('otherfield', '=?', some_field)], 'column_invisible': 0}" name="name"/>
        <xpath expr="//." position="attributes">
            <attribute name="attrs">{'invisible': True, 'readonly': [('otherfield', '=', 'yes')], 'required': [('field', 'in', ['a', 'b', 'c'])], 'column_invisible': 0}</attribute>
        </xpath>
        <!-- all leafs should evaluate to '[not] <some|other>' -->
        <xpath expr="//field[@name='test1']" position="attributes">
            <attribute name="attrs">{'invisible': [('some', '=', False), ('other', '!=', False)], 'readonly': [('some', '=', True), ('other', '!=', True)], 'required': [('some', '=', []), ('other', '!=', [])], 'column_invisible': [('some', '=', 'str'), ('other', '!=', 'str')]}</attribute>
            <attribute name="indent_test"/>
        </xpath>
        <!-- field tag with both attrs (invisible, readonly) and states -->
        <field name="test1" states="draft,done" attrs="{'invisible': True, 'readonly': True}"/>
        <!-- field tag with both attrs (readonly, required) and states, with a double required attribute -->
        <field required="1" name="test2" states="draft,done" attrs="{'readonly': True, 'required': [('otherfield', '=', 'yes')]}"/>
        <!-- field tag with only attrs (invisible, readonly)-->
        <field name="test3" attrs="{'invisible': True, 'readonly': True}"/>
        <!-- field tag with only attrs (readonly) -->
        <field name="test4" attrs="{'readonly': True}"/>
        <!-- field tag with only states -->
        <field name="test5" states="draft,done"/>
        <!-- non-field tag with both attrs (invisible) and states -->
        <group name="test6" states="draft,done" attrs="{'invisible': True}"/>
        <!-- non-field tag with only attrs -->
        <group name="test7" attrs="{'invisible': True}"/>
        <!-- non-field tag with only states -->
        <group name="test8" states="draft,done"/>
        <!-- test conversion of special characters-->
        <field name="test9" attrs="{'readonly': [('a', '>', 0), ('b', '&lt;', 0), ('c', '&gt;', 0)]}"/>
        <!-- xpath override of field with both attrs (invisible) and states -->
        <xpath expr="//field[@name='test5']" position="attributes">
            <attribute name="attrs">{
            'invisible': [
                '|',
                '|',
                '&amp;',
                ('test1', 'in', [1, 2, 3]),
                ('test2', 'in', [2, 3, 4]),
                ('test3', '=', 'hello'),
                ('test4', 'in', [%(testmodule.test_xml_id)d, %(testmodule.test_xml_id_2)d])
            ]
            }</attribute>
            <attribute name="states">draft,done</attribute>
        </xpath>
        <!-- xpath override of field with both attrs (required, invisible) and states and double required attribute -->
        <xpath expr="//field[@name='test6']">
            <attribute name="attrs">{'required': True, 'invisible': [('testfield', '=', 'hello world')]}</attribute>
            <attribute name="states">draft,done</attribute>
            <attribute name="required">1</attribute>
        </xpath>
        <!-- xpath override of field with only attrs (invisible) -->
        <xpath expr="//field[@name='test7']">
            <attribute name="attrs">{'invisible': True}</attribute>
        </xpath>
        <!-- xpath override of field with only states -->
        <xpath expr="//field[@name='test8']">
            <attribute name="states">draft,done</attribute>
        </xpath>
        <!-- xpath override of field with empty attrs and non-empty states -->
        <xpath expr="//field[@name='test9']">
            <attribute name="attrs"></attribute>
            <attribute name="states">draft,done</attribute>
        </xpath>
        <!-- xpath override of field with non-empty attrs (required, invisible) and empty states -->
        <xpath expr="//field[@name='test10']">
            <attribute name="indent_test"/>
            <attribute name="attrs">{'required': True, 'invisible': True}</attribute>
            <attribute name="states"></attribute>
        </xpath>
        <!-- xpath override of field with empty attrs and empty states -->
        <xpath expr="//field[@name='test11']">
            <attribute name="attrs"></attribute>
            <attribute name="states"></attribute>
        </xpath>
        <!-- xpath override of non-field with both attrs (invisible) and states -->
        <xpath expr="//sheet/group[@name='test12']">
            <attribute name="attrs">{'invisible': True}</attribute>
            <attribute name="states">draft,done</attribute>
        </xpath>
        <!-- xpath override of non-field with only attrs (invisible) -->
        <xpath expr="//sheet/group[@name='test13']">
            <attribute name="attrs">{'invisible': True}</attribute>
        </xpath>
        <!-- xpath override of non-field with only states -->
        <xpath expr="//sheet/group[@name='test14']">
            <attribute name="states">draft,done</attribute>
        </xpath>
        <!-- field tag with only attrs (invisible) -->
        <field name="test9" attrs="{
            'invisible': [
                '|',
                '|',
                '&amp;',
                ('test1', 'in', [1, 2, 3]),
                ('test2', 'in', [2, 3, 4]),
                ('test3', '=', 'hello'),
                ('test4', 'in', [%(testmodule.test_xml_id)d, %(testmodule.test_xml_id_2)d])
            ]
        }"/>
        <!-- non-field tag with only attrs (invisible) -->
        <group name="test10" attrs="{'invisible': True}"/>
        <!-- Case given by odoo, single '|' with states - can cause bug while should be accepted -->
        <button name="action_open_action_coupon_program" attrs="{'invisible': ['|', ('allow_modification', '=', False)]}" context="{'enable_add_temporary': 1}" class="btn btn-secondary" string="Actions" type="object" states="draft,sent,sale"/>
    </form>
</odoo>