Olivier Dony
fa9782d24d
The migration of `website_sale` to the new API at revision
788c1334e2
repeated this problem initially fixed by PR #8795.
A browse_record returned by a cached method will be
broken at the next use, because it is bound to a
closed cursor.
The symptom is weird exception in the middle of a future
request:
```OperationalError: Unable to use a closed cursor.```
(which refers to an old cached cursor, not the cursor of the
current request!)
Solution: workaround the problem by returning IDs in the
method that needs to be cached (`_get_pl_partner_order`),
and re-browse them as needed in caller methods.
In addition, remove the useless extra caching of `_get_pl`,
as all it does is browse() the result of the former method,
and that would trigger the very same bug again.
Odoo
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