#34183: Add a ChoicesMeta.max_length property returning the max_length when data
type supports len()
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Reporter: Coumes Quentin | Owner: nobody
Type: New feature | Status: new
Component: Utilities | Version: 4.1
Severity: Normal | Keywords: choices, enums
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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It would be helpful for enums inheriting {{{Choices}}} with a data type
supporting {{{len()}}} to be able to compute {{{max_length}}} by
themselves.
This would make the definition of field's {{{max_length}}} easier as well
as automatically create a new migration when deleting/adding members which
would change the {{{max_length}}}.
If the data type does not support {{{len()}}, it could raise
{{{TypeError}}} (same exception raise by {{{len}}}) something like :
{{{
raise TypeError("Can only compute max_length on data type supporting
len()")
}}}
I can do the patch if this feature does make sense to you.
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Ticket URL: <https://code.djangoproject.com/ticket/34183>
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