62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
import os
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from django.conf import settings
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from django.core.management import call_command
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from django.db import connection
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def spatialite_init_file():
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# SPATIALITE_SQL may be placed in settings to tell
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# GeoDjango to use a specific user-supplied file.
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return getattr(settings, 'SPATIALITE_SQL', 'init_spatialite-2.3.sql')
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def create_test_spatial_db(verbosity=1, autoclobber=False, interactive=False):
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"Creates a spatial database based on the settings."
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# Making sure we're using PostgreSQL and psycopg2
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if settings.DATABASE_ENGINE != 'sqlite3':
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raise Exception('SpatiaLite database creation only supported on sqlite3 platform.')
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# Getting the test database name using the SQLite backend's
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# `_create_test_db`. Unless `TEST_DATABASE_NAME` is defined,
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# it returns ":memory:".
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db_name = connection.creation._create_test_db(verbosity, autoclobber)
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# Closing out the current connection to the database set in
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# originally in the settings. This makes it so `initialize_spatialite`
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# function will be run on the connection for the _test_ database instead.
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connection.close()
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# Point to the new database
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settings.DATABASE_NAME = db_name
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connection.settings_dict["DATABASE_NAME"] = db_name
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can_rollback = connection.creation._rollback_works()
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settings.DATABASE_SUPPORTS_TRANSACTIONS = can_rollback
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connection.settings_dict["DATABASE_SUPPORTS_TRANSACTIONS"] = can_rollback
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# Finally, loading up the SpatiaLite SQL file.
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load_spatialite_sql(db_name, verbosity=verbosity)
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if verbosity >= 1:
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print 'Creation of spatial database %s successful.' % db_name
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# Syncing the database
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call_command('syncdb', verbosity=verbosity, interactive=interactive)
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def load_spatialite_sql(db_name, verbosity=1):
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"""
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This routine loads up the SpatiaLite SQL file.
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"""
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# Getting the location of the SpatiaLite SQL file, and confirming
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# it exists.
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spatialite_sql = spatialite_init_file()
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if not os.path.isfile(spatialite_sql):
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raise Exception('Could not find the SpatiaLite initialization SQL file: %s' % spatialite_sql)
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# Opening up the SpatiaLite SQL initialization file and executing
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# as a script.
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sql_fh = open(spatialite_sql, 'r')
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try:
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cur = connection.cursor()
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cur.executescript(sql_fh.read())
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finally:
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sql_fh.close()
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