def connect(connectString):
if isinstance(connectString, basestring):
connectString = ConnectString.parse(connectString)
elif not isinstance(connectString, ConnectString):
raise TypeError("Expected string or ConnectString object")
driver = connectString.driver
importRoot = os.path.dirname(__file__)
moduleRoot = __name__
addParts = ['drivers', driver]
driverPath = os.path.join(importRoot, *addParts)
for suffix in ('.py', '.pyc', '.so', 'module.so'):
if os.path.exists(driverPath + suffix):
break
else:
raise TypeError("Could not find database driver %r" % (driver,))
moduleName = '.'.join([moduleRoot] + addParts)
__import__(moduleName)
for name, value in inspect.getmembers(sys.modules[moduleName]):
if name.startswith('_') or not inspect.isclass(value):
continue
if issubclass(value, DatabaseConnection) and value.driver == driver:
return value.connect(connectString)
else:
raise TypeError("Driver %r lacks a proper driver subclass" % (driver,))
def __init__(self, path, min=None):
self.path = ConnectString.parse(path)
self.pool_running = False
self.shutdownID = None
self.cleanupTask = None
if min:
self.min = min
self.connections = set()
self.connQueue = defer.DeferredQueue()
from twisted.internet import reactor
self.reactor = reactor