#24701: Migration created on python2.7 fail to load on python 3 due to
models.Manager
----------------------------+--------------------
Reporter: aeby | Owner: nobody
Type: Bug | Status: new
Component: Migrations | Version: 1.8
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
----------------------------+--------------------
If I create a migration on python 2.7 containing a model referencing a
''model.Manager'' with {{{use_in_migrations = True}}} the following line
is added in the migration file:
{{{
managers=[
(b'objects', accounts.models.UserManager()),
],
}}}
If I try to load this file under python 3.4 I get the error {{{TypeError:
attribute name must be string, not 'bytes}}} from
[https://github.com/django/django/blob/1.8/django/db/models/manager.py#L169
this line].
The problem is that the string 'objects' is prefixed with 'b' on
[https://github.com/django/django/blob/1.8/django/db/migrations/writer.py#L340
this line].
I think this is maybe a bug as all other attribute names are just plain
strings.
--
Ticket URL: <https://code.djangoproject.com/ticket/24701>
Django <https://code.djangoproject.com/>
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