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Code Issues 32 Releases Wiki Activity

Avoided unneeded calls to state.render() in migrations.

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This commit is contained in:
twidi
2014-11-15 17:25:45 +01:00
committed by Tim Graham
parent 82aca216e1
commit 19ae13d9ed
2 changed files with 14 additions and 14 deletions
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10
django/db/migrations/operations/fields.py
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@@ -26,9 +26,9 @@ class AddField(Operation):
state.models[app_label, self.model_name.lower()].fields.append((self.name, field))
def database_forwards(self, app_label, schema_editor, from_state, to_state):
from_model = from_state.render().get_model(app_label, self.model_name)
to_model = to_state.render().get_model(app_label, self.model_name)
if self.allowed_to_migrate(schema_editor.connection.alias, to_model):
from_model = from_state.render().get_model(app_label, self.model_name)
field = to_model._meta.get_field_by_name(self.name)[0]
if not self.preserve_default:
field.default = self.field.default
@@ -84,9 +84,9 @@ class RemoveField(Operation):
schema_editor.remove_field(from_model, from_model._meta.get_field_by_name(self.name)[0])
def database_backwards(self, app_label, schema_editor, from_state, to_state):
from_model = from_state.render().get_model(app_label, self.model_name)
to_model = to_state.render().get_model(app_label, self.model_name)
if self.allowed_to_migrate(schema_editor.connection.alias, to_model):
from_model = from_state.render().get_model(app_label, self.model_name)
schema_editor.add_field(from_model, to_model._meta.get_field_by_name(self.name)[0])
def describe(self):
@@ -121,9 +121,9 @@ class AlterField(Operation):
]
def database_forwards(self, app_label, schema_editor, from_state, to_state):
from_model = from_state.render().get_model(app_label, self.model_name)
to_model = to_state.render().get_model(app_label, self.model_name)
if self.allowed_to_migrate(schema_editor.connection.alias, to_model):
from_model = from_state.render().get_model(app_label, self.model_name)
from_field = from_model._meta.get_field_by_name(self.name)[0]
to_field = to_model._meta.get_field_by_name(self.name)[0]
# If the field is a relatedfield with an unresolved rel.to, just
@@ -186,9 +186,9 @@ class RenameField(Operation):
]
def database_forwards(self, app_label, schema_editor, from_state, to_state):
from_model = from_state.render().get_model(app_label, self.model_name)
to_model = to_state.render().get_model(app_label, self.model_name)
if self.allowed_to_migrate(schema_editor.connection.alias, to_model):
from_model = from_state.render().get_model(app_label, self.model_name)
schema_editor.alter_field(
from_model,
from_model._meta.get_field_by_name(self.old_name)[0],
@@ -196,9 +196,9 @@ class RenameField(Operation):
)
def database_backwards(self, app_label, schema_editor, from_state, to_state):
from_model = from_state.render().get_model(app_label, self.model_name)
to_model = to_state.render().get_model(app_label, self.model_name)
if self.allowed_to_migrate(schema_editor.connection.alias, to_model):
from_model = from_state.render().get_model(app_label, self.model_name)
schema_editor.alter_field(
from_model,
from_model._meta.get_field_by_name(self.new_name)[0],