def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def _roots(kindpats):
    """Returns root directories to match recursively from the given patterns."""
    roots, dirs = _patternrootsanddirs(kindpats)
    return roots