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How to set an attribute of a field like this self._fields['name'].readonly=True ?

No errors but it does not work.

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Do you wish to make the field readonly? In this case you either define it on the just created field (something like: your_field = fields.Char(string='My string', readonly=True)

or in XML by doing this:

<field name="your_field" readonly="1"/>

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I need to be able to write into a field and later on some conditions make the field readonly. As I know it can be done with 'state' field in this way:

my_field=field.Char(readonly=True, states={'draft': [('readonly', False)]})

Mejor respuesta

Set the readonly in python code, like this:
my_field = fields.Char(readonly=True)


or in a xml, like this:
<field name="my_field" readonly="1"/>

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