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Drop reverse flag, remove duplicates in get_model_fields

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This commit is contained in:
Jacob Foster 2017-05-25 11:01:29 -05:00
parent ca06d74195
commit 74e4e1aa77
2 changed files with 10 additions and 17 deletions
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16
graphene_django/tests/test_utils.py
View File

@ -1,21 +1,7 @@
from ..utils import get_model_fields, get_reverse_fields
from ..utils import get_model_fields
from .models import Film, Reporter
def test_get_reverse_fields_correct():
reporter_reverse_fields = get_reverse_fields(Reporter)
reporter_field_names = [field[0] for field in reporter_reverse_fields]
assert sorted(reporter_field_names) == [
'articles', 'films'
]
film_reverse_fields = get_reverse_fields(Film)
film_field_names = [field[0] for field in film_reverse_fields]
assert film_field_names == ['details']
def test_get_model_fields_no_duplication():
reporter_fields = get_model_fields(Reporter)
reporter_name_set = set([field[0] for field in reporter_fields])

11
graphene_django/utils.py
View File

@ -33,7 +33,7 @@ def get_reverse_fields(model):
yield (name, new_related)
elif isinstance(related, models.ManyToOneRel):
yield (name, related)
elif isinstance(related, models.ManyToManyRel) and attr.reverse and not related.symmetrical:
elif isinstance(related, models.ManyToManyRel) and not related.symmetrical:
yield (name, related)
@ -52,7 +52,14 @@ def get_model_fields(model):
list(model._meta.local_many_to_many))
]
all_fields += list(reverse_fields)
# Make sure we don't duplicate local fields with "reverse" version
all_field_names = [field[0] for field in all_fields]
actual_reverse_fields = [
reverse_field for reverse_field in reverse_fields
if reverse_field[0] not in all_field_names
]
all_fields += list(actual_reverse_fields)
return all_fields