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-rw-r--r--lib/python2.7/site-packages/south/db/__init__.py83
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diff --git a/lib/python2.7/site-packages/south/db/__init__.py b/lib/python2.7/site-packages/south/db/__init__.py
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--- a/lib/python2.7/site-packages/south/db/__init__.py
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@@ -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]