Source code for cup.thirdp.MySQLdb

"""MySQLdb - A DB API v2.0 compatible interface to MySQL.

This package is a wrapper around _mysql, which mostly implements the
MySQL C API.

connect() -- connects to server

See the C API specification and the MySQL documentation for more info
on other items.

For information on how MySQLdb handles type conversion, see the
MySQLdb.converters module.

"""

import os
import sys

sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)) + '/../')


__revision__ = """$Revision: 603 $"""[11:-2]
from release import __version__, version_info, __author__

import _mysql

if version_info != _mysql.version_info:
    raise ImportError("this is MySQLdb version %s, but _mysql is version %r" %
                      (version_info, _mysql.version_info))

threadsafety = 1
apilevel = "2.0"
paramstyle = "format"

from _mysql import *
from MySQLdb.constants import FIELD_TYPE
from MySQLdb.times import Date, Time, Timestamp, \
    DateFromTicks, TimeFromTicks, TimestampFromTicks

try:
    frozenset
except NameError:
    from sets import ImmutableSet as frozenset

class DBAPISet(frozenset):

    """A special type of set for which A == x is true if A is a
    DBAPISet and x is a member of that set."""

    def __eq__(self, other):
        if isinstance(other, DBAPISet):
            return not self.difference(other)
        return other in self


STRING    = DBAPISet([FIELD_TYPE.ENUM, FIELD_TYPE.STRING,
                     FIELD_TYPE.VAR_STRING])
BINARY    = DBAPISet([FIELD_TYPE.BLOB, FIELD_TYPE.LONG_BLOB,
                     FIELD_TYPE.MEDIUM_BLOB, FIELD_TYPE.TINY_BLOB])
NUMBER    = DBAPISet([FIELD_TYPE.DECIMAL, FIELD_TYPE.DOUBLE, FIELD_TYPE.FLOAT,
                     FIELD_TYPE.INT24, FIELD_TYPE.LONG, FIELD_TYPE.LONGLONG,
                     FIELD_TYPE.TINY, FIELD_TYPE.YEAR])
DATE      = DBAPISet([FIELD_TYPE.DATE, FIELD_TYPE.NEWDATE])
TIME      = DBAPISet([FIELD_TYPE.TIME])
TIMESTAMP = DBAPISet([FIELD_TYPE.TIMESTAMP, FIELD_TYPE.DATETIME])
DATETIME  = TIMESTAMP
ROWID     = DBAPISet()

def test_DBAPISet_set_equality():
    assert STRING == STRING

def test_DBAPISet_set_inequality():
    assert STRING != NUMBER

def test_DBAPISet_set_equality_membership():
    assert FIELD_TYPE.VAR_STRING == STRING

def test_DBAPISet_set_inequality_membership():
    assert FIELD_TYPE.DATE != STRING

def Binary(x):
    return str(x)

def Connect(*args, **kwargs):
    """Factory function for connections.Connection."""
    from connections import Connection
    return Connection(*args, **kwargs)

connect = Connection = Connect

__all__ = [ 'BINARY', 'Binary', 'Connect', 'Connection', 'DATE',
    'Date', 'Time', 'Timestamp', 'DateFromTicks', 'TimeFromTicks',
    'TimestampFromTicks', 'DataError', 'DatabaseError', 'Error',
    'FIELD_TYPE', 'IntegrityError', 'InterfaceError', 'InternalError',
    'MySQLError', 'NULL', 'NUMBER', 'NotSupportedError', 'DBAPISet',
    'OperationalError', 'ProgrammingError', 'ROWID', 'STRING', 'TIME',
    'TIMESTAMP', 'Warning', 'apilevel', 'connect', 'connections',
    'constants', 'converters', 'cursors', 'debug', 'escape', 'escape_dict',
    'escape_sequence', 'escape_string', 'get_client_info',
    'paramstyle', 'string_literal', 'threadsafety', 'version_info']