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Only attempt to count versions for versioned models.

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This commit is contained in:
Lance Edgar 2015-02-10 11:23:35 -06:00
parent 75729be79f
commit 5ad5cb569d
1 changed files with 4 additions and 3 deletions
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5
tailbone/views/crud.py
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@ -34,6 +34,7 @@ except ImportError:
import sqlalchemy as sa
from sqlalchemy_continuum import transaction_class, version_class
from sqlalchemy_continuum.utils import is_versioned
from rattail.db import model
from rattail.db.model.continuum import count_versions, model_transaction_query
@ -169,9 +170,9 @@ class CrudView(View):
pass
def template_kwargs(self, form):
if form.creating:
return {}
if not form.creating and is_versioned(self.mapped_class):
return {'version_count': self.count_versions()}
return {}
def count_versions(self):
query = self.transaction_query()