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68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
5 years ago
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from django.core.exceptions import ImproperlyConfigured
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from django.core.management import call_command, CommandError
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from django.core.management.base import BaseCommand
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from django.conf import settings
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from django.db.models import loading
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from django.test import simple
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from south.migration import Migrations
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from south.exceptions import NoMigrations
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from south.hacks import hacks
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class Command(BaseCommand):
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help = "Runs migrations for each app in turn, detecting missing depends_on values."
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usage_str = "Usage: ./manage.py migrationcheck"
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def handle(self, check_app_name=None, **options):
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runner = simple.DjangoTestSuiteRunner(verbosity=0)
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err_msg = "Failed to migrate %s; see output for hints at missing dependencies:\n"
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hacks.patch_flush_during_test_db_creation()
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failures = 0
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if check_app_name is None:
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app_names = settings.INSTALLED_APPS
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else:
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app_names = [check_app_name]
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for app_name in app_names:
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app_label = app_name.split(".")[-1]
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if app_name == 'south':
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continue
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try:
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Migrations(app_name)
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except (NoMigrations, ImproperlyConfigured):
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continue
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app = loading.get_app(app_label)
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verbosity = int(options.get('verbosity', 1))
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if verbosity >= 1:
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self.stderr.write("processing %s\n" % app_name)
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old_config = runner.setup_databases()
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try:
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call_command('migrate', app_label, noinput=True, verbosity=verbosity)
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for model in loading.get_models(app):
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dummy = model._default_manager.exists()
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except (KeyboardInterrupt, SystemExit):
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raise
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except Exception as e:
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failures += 1
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if verbosity >= 1:
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self.stderr.write(err_msg % app_name)
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self.stderr.write("%s\n" % e)
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finally:
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runner.teardown_databases(old_config)
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if failures > 0:
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raise CommandError("Missing depends_on found in %s app(s)." % failures)
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self.stderr.write("No missing depends_on found.\n")
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#
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#for each app:
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# start with blank db.
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# syncdb only south (and contrib?)
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#
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# migrate a single app all the way up. any errors is missing depends_on.
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# for all models of that app, try the default manager:
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# from django.db.models import loading
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# for m in loading.get_models(loading.get_app('a')):
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# m._default_manager.exists()
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# Any error is also a missing depends on.
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