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Attempt to address Django 2.0 deprecate warnings related to field.rel #3906

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Attempt to address Django 2.0 deprecate warnings related to field.rel #3906

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004408a
Attempt to address Django 1.9 deprecate warnings related to field.rel
jplock Feb 5, 2016
83e73cd
Added a compatibility function to support versions prior to Django 1.9
jplock Feb 6, 2016
42f701e
Set the remote_field once. Tests are failing for me locally now, so I…
jplock Feb 7, 2016
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Attempt to address Django 1.9 deprecate warnings related to field.rel
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@jplock
jplock committed Feb 5, 2016
commit 004408a9e8621cfb283ada0d5d533a11c34a00d7
20 changes: 10 additions & 10 deletions rest_framework/utils/model_meta.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,16 +80,16 @@ def get_field_info(model):

def _get_pk(opts):
pk = opts.pk
while pk.rel and pk.rel.parent_link:
while pk.remote_field and pk.remote_field.parent_link:
# If model is a child via multi-table inheritance, use parent's pk.
pk = pk.rel.to._meta.pk
pk = pk.remote_field.to._meta.pk

return pk


def _get_fields(opts):
fields = OrderedDict()
for field in [field for field in opts.fields if field.serialize and not field.rel]:
for field in [field for field in opts.fields if field.serialize and not field.remote_field]:
fields[field.name] = field

return fields
Expand All @@ -104,10 +104,10 @@ def _get_forward_relationships(opts):
Returns an `OrderedDict` of field names to `RelationInfo`.
"""
forward_relations = OrderedDict()
for field in [field for field in opts.fields if field.serialize and field.rel]:
for field in [field for field in opts.fields if field.serialize and field.remote_field]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=_resolve_model(field.rel.to),
related_model=_resolve_model(field.remote_field.to),
to_many=False,
to_field=_get_to_field(field),
has_through_model=False
Expand All @@ -117,12 +117,12 @@ def _get_forward_relationships(opts):
for field in [field for field in opts.many_to_many if field.serialize]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=_resolve_model(field.rel.to),
related_model=_resolve_model(field.remote_field.to),
to_many=True,
# manytomany do not have to_fields
to_field=None,
has_through_model=(
not field.rel.through._meta.auto_created
not field.remote_field.through._meta.auto_created
)
)

Expand All @@ -144,7 +144,7 @@ def _get_reverse_relationships(opts):
reverse_relations[accessor_name] = RelationInfo(
model_field=None,
related_model=related,
to_many=relation.field.rel.multiple,
to_many=relation.field.remote_field.multiple,
to_field=_get_to_field(relation.field),
has_through_model=False
)
Expand All @@ -160,8 +160,8 @@ def _get_reverse_relationships(opts):
# manytomany do not have to_fields
to_field=None,
has_through_model=(
(getattr(relation.field.rel, 'through', None) is not None) and
not relation.field.rel.through._meta.auto_created
(getattr(relation.field.remote_field, 'through', None) is not None) and
not relation.field.remote_field.through._meta.auto_created
)
)

Expand Down