Python: Class to parse a CSV file using the parser in another gist. Instantiate this object with a) the path + filename, b) delimiters (multiple accepted) and c) quote characters and it returns a file object that can be iterated over and read normally.

ParseCSVFile.py

class CSVObject(object):
    """
    This class instantiates a file object as an interable. It means that 
    CSV files can be read more efficiently than reading the entire data 
    into memory. 
    """
    def __init__(self, fileName, delims, quotes):
        self.fileName = fileName
        self.delims = delims
        self.quotes = quotes
        self.fin = open(fileName, 'r')
        
    def __iter__(self):
        return self
        
    def next(self):
        line = self.fin.next()
        return self.ParseLine(line)

    def ParseLine(self, line):
        """
        Parses a line of CSV text into components. This attempts to 
        be a proper parser that can cope with multiple delimiters.
        """
        inQuote = False # flag for being 'within' quotes
        token = '' # current token
        tokens = [] # list of tokens
        for char in line:
            if inQuote: # so if we're in the middle of a quote...
                if char == inQuoteChar: # ...and have a matching quote character...
                    tokens.append(token) # add the token to list (ignore quote character)
                    token = '' # and begin new token
                    inQuote = False # flag that we're not in a quote any more
                else: # But if char is a non-matching quote...
                    token += char # ...just add to token 
            elif char in self.delims: # or if char is a delimiter...
                if len(token) > 0: # ...and token is worth recording...
                    tokens.append(token) # add token to list
                    token = '' # and begin new token
                else: # if token has 0 length and no content...
                    pass # ...adjacent delimiters so do nothing
            elif char in self.quotes: # But if char is a quote...
                inQuoteChar = char # record it to check for matching quote later
                inQuote = True # and flag that we're in a quotation
            else: # And if char is anything else...
                token += char # add to token
        if len(token) > 0: # Check if last item is worth recording (len > 0)
            tokens.append(token) # add to list of tokens
        return tokens # return list of tokens

if __name__ == '__main__':
    fName = '/Users/alansalmoni/00_test.csv'
    delims = ',; '
    quotes = '"' + "'"
    CSVFile = CSVObject(fName, delims, quotes)
    for line in CSVFile:
        print line