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from django.conf import settings
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from django.db.backends.creation import BaseDatabaseCreation
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class DatabaseCreation(BaseDatabaseCreation):
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# SQLite doesn't actually support most of these types, but it "does the right
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# thing" given more verbose field definitions, so leave them as is so that
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# schema inspection is more useful.
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'AutoField': 'integer',
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'BooleanField': 'bool',
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'CharField': 'varchar(%(max_length)s)',
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'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
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'DateTimeField': 'datetime',
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'DecimalField': 'decimal',
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'FileField': 'varchar(%(max_length)s)',
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'FilePathField': 'varchar(%(max_length)s)',
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'IntegerField': 'integer',
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'IPAddressField': 'char(15)',
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'NullBooleanField': 'bool',
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'OneToOneField': 'integer',
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'PositiveIntegerField': 'integer unsigned',
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'PositiveSmallIntegerField': 'smallint unsigned',
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'SlugField': 'varchar(%(max_length)s)',
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'SmallIntegerField': 'smallint',
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def sql_for_pending_references(self, model, style, pending_references):
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"SQLite3 doesn't support constraints"
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def sql_remove_table_constraints(self, model, references_to_delete, style):
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"SQLite3 doesn't support constraints"
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def _create_test_db(self, verbosity, autoclobber):
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if settings.TEST_DATABASE_NAME and settings.TEST_DATABASE_NAME != ":memory:":
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test_database_name = settings.TEST_DATABASE_NAME
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# Erase the old test database
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print "Destroying old test database..."
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if os.access(test_database_name, os.F_OK):
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confirm = raw_input("Type 'yes' if you would like to try deleting the test database '%s', or 'no' to cancel: " % test_database_name)
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if autoclobber or confirm == 'yes':
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print "Destroying old test database..."
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os.remove(test_database_name)
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sys.stderr.write("Got an error deleting the old test database: %s\n" % e)
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print "Tests cancelled."
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print "Creating test database..."
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test_database_name = ":memory:"
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return test_database_name
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def _destroy_test_db(self, test_database_name, verbosity):
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if test_database_name and test_database_name != ":memory:":
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# Remove the SQLite database file
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os.remove(test_database_name)