"""
                Name : MyIO.py 
                Author : Jason Spadaro
                Description : superclass for io-based classes and objects
                Copyright 2009
"""

class myIO:
    """
    ********************************************
    *Description : returns items from an external storage source, and
    *   stores them again later.
    *******************************************
    """

    def __init__(self, connectDict):
        """
        ********************************************
        *Description : Initializes the connection information, rows
        *   of data.  Then it makes the connection based on the myIO
        *   subclass.
        *******************************************
        """

        self.data_rows = []             #Empty array of items...
        self.item_names = connectDict["item_names"]    #List of item attribute names
        self.connectDict = connectDict  #connection information (filename, db name, etc)
        self.make_connect()

    def make_connect(self):
        """
        ********************************************
        *Description : connection method
        *******************************************
        """

        pass

    def getItem(self, i):
        """
        ********************************************
        *Description : get's one item's worth of data.
        *******************************************
        """
        temp_dict = {}
        for attribute, name in self.datarows[i], item_names:
            temp_dict.update({name:attribute})
        return temp_dict

    def writeItem(self):
        """
        ********************************************
        *Description : Writes one item worth of data
        *******************************************
        """

        pass

    def close(self):
        """
        ********************************************
        *Description : Cleans up io when it closes.
        *******************************************
        """

        pass

    def dump_current_dict(self, item_dict):
        """
        ********************************************
        *Description : Generically writes all items to io
        ********************************************
        """
        
        for item_name, item in item_dict.iteritems():
            print item_name + " is being written."
            self.write_item(item)

    def get_item_dict(self):
        """
        ********************************************
        *Description : Getter for the aggregator
        ********************************************
        """
        
        tempItemDict = itemDict()
        for i in range(self.data_rows):
            tempItem = getItem(i)
            tempItemDict.add(tempItem)
        return tempItemDict

Generic superclass for dealing with io based tables

database, csv

Python