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root / entrouvert / djommon / multitenant / management / commands / sync_schemas.py @ 964ebb51

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# this file derive from django-tenant-schemas
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#   Author: Bernardo Pires Carneiro
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#   Email: carneiro.be@gmail.com
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#   License: MIT license
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#   Home-page: http://github.com/bcarneiro/django-tenant-schemas
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import django
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from django.core.management.base import CommandError
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from django.conf import settings
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from django.contrib.contenttypes.models import ContentType
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from django.db.models import get_apps, get_models
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if 'south' in settings.INSTALLED_APPS:
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    from south.management.commands.syncdb import Command as SyncdbCommand
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else:
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    from django.core.management.commands.syncdb import Command as SyncdbCommand
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from django.db import connection
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from entrouvert.djommon.multitenant.middleware import TenantMiddleware
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from entrouvert.djommon.multitenant.management.commands import SyncCommon
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class Command(SyncCommon):
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    help = "Sync schemas based on TENANT_APPS and SHARED_APPS settings"
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    option_list = SyncdbCommand.option_list + SyncCommon.option_list
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    def handle(self, *args, **options):
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        if django.VERSION >= (1, 7, 0):
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            raise CommandError('This command is only meant to be used for 1.6'
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                               ' and older version of django. For 1.7, use'
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                               ' `migrate_schemas` instead.')
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        super(Command, self).handle(*args, **options)
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        if "south" in settings.INSTALLED_APPS:
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            self.options["migrate"] = False
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        # save original settings
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        for model in get_models(include_auto_created=True):
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            setattr(model._meta, 'was_managed', model._meta.managed)
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        ContentType.objects.clear_cache()
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        if self.sync_public:
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            self.sync_public_apps()
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        if self.sync_tenant:
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            self.sync_tenant_apps(self.domain)
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        # restore settings
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        for model in get_models(include_auto_created=True):
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            model._meta.managed = model._meta.was_managed
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    def _set_managed_apps(self, included_apps):
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        """ sets which apps are managed by syncdb """
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        for model in get_models(include_auto_created=True):
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            model._meta.managed = False
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        verbosity = int(self.options.get('verbosity'))
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        for app_model in get_apps():
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            app_name = app_model.__name__.replace('.models', '')
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            if app_name in included_apps:
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                for model in get_models(app_model, include_auto_created=True):
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                    model._meta.managed = model._meta.was_managed
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                    if model._meta.managed and verbosity >= 3:
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                        self._notice("=== Include Model: %s: %s" % (app_name, model.__name__))
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    def _sync_tenant(self, tenant):
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        self._notice("=== Running syncdb for schema: %s" % tenant.schema_name)
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        connection.set_tenant(tenant, include_public=False)
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        SyncdbCommand().execute(**self.options)
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    def sync_tenant_apps(self, schema_name=None):
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        apps = self.tenant_apps or self.installed_apps
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        self._set_managed_apps(apps)
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        if schema_name:
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            tenant = TenantMiddleware.get_tenant_by_hostname(schema_name)
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            self._sync_tenant(tenant)
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        else:
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            all_tenants = TenantMiddleware.get_tenants()
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            if not all_tenants:
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                self._notice("No tenants found!")
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            for tenant in all_tenants:
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                self._sync_tenant(tenant)
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    def sync_public_apps(self):
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        self._notice("=== Running syncdb for schema public")
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        apps = self.shared_apps or self.installed_apps
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        self._set_managed_apps(apps)
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        SyncdbCommand().execute(**self.options)
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