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Code Issues 32 Releases Wiki Activity

Avoided creating temporary lists for obtaining the first item.

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This commit is contained in:
Sergey Fedoseev
2017-07-31 20:02:23 +05:00
committed by Tim Graham
parent 0f905e4b44
commit aadd3aeb2b
8 changed files with 17 additions and 19 deletions
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4
django/db/migrations/loader.py
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@@ -156,9 +156,9 @@ class MigrationLoader:
if key[0] in self.migrated_apps:
try:
if key[1] == "__first__":
return list(self.graph.root_nodes(key[0]))[0]
return self.graph.root_nodes(key[0])[0]
else: # "__latest__"
return list(self.graph.leaf_nodes(key[0]))[0]
return self.graph.leaf_nodes(key[0])[0]
except IndexError:
if self.ignore_no_migrations:
return None

2
django/db/migrations/questioner.py
View File

@@ -48,7 +48,7 @@ class MigrationQuestioner:
elif hasattr(migrations_module, "__path__"):
if len(migrations_module.__path__) > 1:
return False
filenames = os.listdir(list(migrations_module.__path__)[0])
filenames = os.listdir(migrations_module.__path__[0])
return not any(x.endswith(".py") for x in filenames if x != "__init__.py")
def ask_not_null_addition(self, field_name, model_name):