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import os
import sys
from django.conf import settings
from django.db.backends.creation import BaseDatabaseCreation
class DatabaseCreation(BaseDatabaseCreation):
# SQLite doesn't actually support most of these types, but it "does the right
# thing" given more verbose field definitions, so leave them as is so that
# schema inspection is more useful.
data_types = {
'AutoField': 'integer',
'BooleanField': 'bool',
'CharField': 'varchar(%(max_length)s)',
'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
'DateField': 'date',
'DateTimeField': 'datetime',
'DecimalField': 'decimal',
'FileField': 'varchar(%(max_length)s)',
'FilePathField': 'varchar(%(max_length)s)',
'FloatField': 'real',
'IntegerField': 'integer',
'IPAddressField': 'char(15)',
'NullBooleanField': 'bool',
'OneToOneField': 'integer',
'PhoneNumberField': 'varchar(20)',
'PositiveIntegerField': 'integer unsigned',
'PositiveSmallIntegerField': 'smallint unsigned',
'SlugField': 'varchar(%(max_length)s)',
'SmallIntegerField': 'smallint',
'TextField': 'text',
'TimeField': 'time',
'USStateField': 'varchar(2)',
}
def sql_for_pending_references(self, model, style, pending_references):
"SQLite3 doesn't support constraints"
return []
def sql_remove_table_constraints(self, model, references_to_delete, style):
"SQLite3 doesn't support constraints"
return []
def _create_test_db(self, verbosity, autoclobber):
if settings.TEST_DATABASE_NAME and settings.TEST_DATABASE_NAME != ":memory:":
test_database_name = settings.TEST_DATABASE_NAME
# Erase the old test database
if verbosity >= 1:
print "Destroying old test database..."
if os.access(test_database_name, os.F_OK):
if not autoclobber:
confirm = raw_input("Type 'yes' if you would like to try deleting the test database '%s', or 'no' to cancel: " % test_database_name)
if autoclobber or confirm == 'yes':
try:
if verbosity >= 1:
print "Destroying old test database..."
os.remove(test_database_name)
except Exception, e:
sys.stderr.write("Got an error deleting the old test database: %s\n" % e)
sys.exit(2)
else:
print "Tests cancelled."
sys.exit(1)
if verbosity >= 1:
print "Creating test database..."
else:
test_database_name = ":memory:"
return test_database_name
def _destroy_test_db(self, test_database_name, verbosity):
if test_database_name and test_database_name != ":memory:":
# Remove the SQLite database file
os.remove(test_database_name)
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