54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import sys
|
|
|
|
from django.apps import apps
|
|
from django.db import models
|
|
|
|
|
|
def sql_flush(style, connection, reset_sequences=True, allow_cascade=False):
|
|
"""
|
|
Return a list of the SQL statements used to flush the database.
|
|
"""
|
|
tables = connection.introspection.django_table_names(only_existing=True, include_views=False)
|
|
return connection.ops.sql_flush(
|
|
style,
|
|
tables,
|
|
reset_sequences=reset_sequences,
|
|
allow_cascade=allow_cascade,
|
|
)
|
|
|
|
|
|
def emit_pre_migrate_signal(verbosity, interactive, db, **kwargs):
|
|
# Emit the pre_migrate signal for every application.
|
|
for app_config in apps.get_app_configs():
|
|
if app_config.models_module is None:
|
|
continue
|
|
if verbosity >= 2:
|
|
stdout = kwargs.get('stdout', sys.stdout)
|
|
stdout.write('Running pre-migrate handlers for application %s' % app_config.label)
|
|
models.signals.pre_migrate.send(
|
|
sender=app_config,
|
|
app_config=app_config,
|
|
verbosity=verbosity,
|
|
interactive=interactive,
|
|
using=db,
|
|
**kwargs
|
|
)
|
|
|
|
|
|
def emit_post_migrate_signal(verbosity, interactive, db, **kwargs):
|
|
# Emit the post_migrate signal for every application.
|
|
for app_config in apps.get_app_configs():
|
|
if app_config.models_module is None:
|
|
continue
|
|
if verbosity >= 2:
|
|
stdout = kwargs.get('stdout', sys.stdout)
|
|
stdout.write('Running post-migrate handlers for application %s' % app_config.label)
|
|
models.signals.post_migrate.send(
|
|
sender=app_config,
|
|
app_config=app_config,
|
|
verbosity=verbosity,
|
|
interactive=interactive,
|
|
using=db,
|
|
**kwargs
|
|
)
|