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Don't pretend that notifications for m2m works

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They don't... And there is no easy way to make them work either, given
the way that signals are called for m2ms.
This commit is contained in:
Magnus Hagander
2016-12-17 14:25:55 +01:00
parent af5e5d327b
commit cb8fd07fd7
1 changed files with 4 additions and 7 deletions
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11
pgweb/util/signals.py
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@ -53,13 +53,10 @@ def _get_attr_value(obj, fieldname):
# see if this is a Many-to-many field. If yes, we want to print
# it out as a pretty list
if isinstance(obj._meta.get_field_by_name(fieldname)[0], models.ManyToManyField):
# NOTE! If the object is brand new, and it has a many-to-many relationship, we can't
# access this data yet. So just return that it's not available yet.
if not obj.pk:
# No primary key indicates the object doesn't exist yet, so we can't
# access the primary key
return "<not available yet>"
return u", ".join(map(lambda x: unicode(x), getattr(obj, fieldname).all()))
# XXX: Changes to ManyToMany fields can't be tracked here :(
# For now, we have no good way to deal with it so, well, don't.
return ''
# Return the value, or an empty tring if it's NULL (migrated records)
return getattr(obj, fieldname) or ''