diff options
Diffstat (limited to 'lib/python2.7/site-packages/south/db/__init__.py')
-rw-r--r-- | lib/python2.7/site-packages/south/db/__init__.py | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/lib/python2.7/site-packages/south/db/__init__.py b/lib/python2.7/site-packages/south/db/__init__.py deleted file mode 100644 index b9b7168..0000000 --- a/lib/python2.7/site-packages/south/db/__init__.py +++ /dev/null @@ -1,83 +0,0 @@ - -# Establish the common DatabaseOperations instance, which we call 'db'. -# Much thanks to cmkmrr for a lot of the code base here - -from django.conf import settings -import sys - -# A few aliases, because there's FQMNs now -engine_modules = { - 'django.db.backends.postgresql_psycopg2': 'postgresql_psycopg2', - 'django.db.backends.sqlite3': 'sqlite3', - 'django.db.backends.mysql': 'mysql', - 'mysql_oursql.standard': 'mysql', - 'django.db.backends.oracle': 'oracle', - 'sql_server.pyodbc': 'sql_server.pyodbc', #django-pyodbc-azure - 'django_pyodbc': 'sql_server.pyodbc', #django-pyodbc - 'sqlserver_ado': 'sql_server.pyodbc', #django-mssql - 'firebird': 'firebird', #django-firebird - 'django.contrib.gis.db.backends.postgis': 'postgresql_psycopg2', - 'django.contrib.gis.db.backends.spatialite': 'sqlite3', - 'django.contrib.gis.db.backends.mysql': 'mysql', - 'django.contrib.gis.db.backends.oracle': 'oracle', - 'doj.backends.zxjdbc.postgresql': 'postgresql_psycopg2', #django-jython - 'doj.backends.zxjdbc.mysql': 'mysql', #django-jython - 'doj.backends.zxjdbc.oracle': 'oracle', #django-jython -} - -# First, work out if we're multi-db or not, and which databases we have -try: - from django.db import DEFAULT_DB_ALIAS -except ImportError: - #### 1.1 or below #### - # We'll 'fake' multi-db; set the default alias - DEFAULT_DB_ALIAS = 'default' - # SOUTH_DATABASE_ADAPTER is an optional override if you have a different module - engine = getattr(settings, "SOUTH_DATABASE_ADAPTER", "south.db.%s" % settings.DATABASE_ENGINE) - # And then, we have one database with one engine - db_engines = {DEFAULT_DB_ALIAS: engine} -else: - #### 1.2 or above #### - # Loop over the defined databases, gathering up their engines - db_engines = dict([ - # Note we check to see if contrib.gis has overridden us. - (alias, "south.db.%s" % engine_modules[db_settings['ENGINE']]) - for alias, db_settings in settings.DATABASES.items() - if db_settings['ENGINE'] in engine_modules - ]) - # Update with any overrides - db_engines.update(getattr(settings, "SOUTH_DATABASE_ADAPTERS", {})) - # Check there's no None engines, or... - for alias, engine in db_engines.items(): - if engine is None: - # They've used a backend we don't support - sys.stderr.write( - ( - "There is no South database module for your database backend '%s'. " + \ - "Please either choose a supported database, check for " + \ - "SOUTH_DATABASE_ADAPTER[S] settings, " + \ - "or remove South from INSTALLED_APPS.\n" - ) % (settings.DATABASES[alias]['ENGINE'],) - ) - sys.exit(1) - -# Now, turn that into a dict of <alias: south db module> -dbs = {} -try: - for alias, module_name in db_engines.items(): - module = __import__(module_name, {}, {}, ['']) - dbs[alias] = module.DatabaseOperations(alias) -except ImportError: - # This error should only be triggered on 1.1 and below. - sys.stderr.write( - ( - "There is no South database module '%s' for your database. " + \ - "Please either choose a supported database, check for " + \ - "SOUTH_DATABASE_ADAPTER[S] settings, " + \ - "or remove South from INSTALLED_APPS.\n" - ) % (module_name,) - ) - sys.exit(1) - -# Finally, to make old migrations work, keep 'db' around as the default database -db = dbs[DEFAULT_DB_ALIAS] |