/bangkokhotel/lib/python2.5/site-packages/django/db/backends/sqlite3/creation.py
https://bitbucket.org/luisrodriguez/bangkokhotel · Python · 89 lines · 73 code · 8 blank · 8 comment · 14 complexity · 851f03302d118f1f846358acfcc68c25 MD5 · raw file
- import os
- import sys
- 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',
- 'BigIntegerField': 'bigint',
- 'IPAddressField': 'char(15)',
- 'GenericIPAddressField': 'char(39)',
- 'NullBooleanField': 'bool',
- 'OneToOneField': 'integer',
- 'PositiveIntegerField': 'integer unsigned',
- 'PositiveSmallIntegerField': 'smallint unsigned',
- 'SlugField': 'varchar(%(max_length)s)',
- 'SmallIntegerField': 'smallint',
- 'TextField': 'text',
- 'TimeField': 'time',
- }
- 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 _get_test_db_name(self):
- test_database_name = self.connection.settings_dict['TEST_NAME']
- if test_database_name and test_database_name != ':memory:':
- return test_database_name
- return ':memory:'
- def _create_test_db(self, verbosity, autoclobber):
- test_database_name = self._get_test_db_name()
- if test_database_name != ':memory:':
- # Erase the old test database
- if verbosity >= 1:
- print "Destroying old test database '%s'..." % self.connection.alias
- 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:
- 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)
- 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)
- def set_autocommit(self):
- self.connection.connection.isolation_level = None
- def test_db_signature(self):
- """
- Returns a tuple that uniquely identifies a test database.
- This takes into account the special cases of ":memory:" and "" for
- SQLite since the databases will be distinct despite having the same
- TEST_NAME. See http://www.sqlite.org/inmemorydb.html
- """
- settings_dict = self.connection.settings_dict
- test_dbname = self._get_test_db_name()
- sig = [self.connection.settings_dict['NAME']]
- if test_dbname == ':memory:':
- sig.append(self.connection.alias)
- return tuple(sig)