old_contents: import csv, codecs, cStringIO
  
  class UTF8Recoder:
      """
      Iterator that reads an encoded stream and reencodes the input to UTF-8
      """
      def __init__(self, f, encoding):
          self.reader = codecs.getreader(encoding)(f)
  
      def __iter__(self):
          return self
  
      def next(self):
          return self.reader.next().encode("utf-8")
  
  class UnicodeDictReader:
      """
      A CSV reader which will iterate over lines in the CSV file "f",
      which is encoded in the given encoding.
      """
  
      def __init__(self, f, header, dialect=csv.excel, encoding="utf-8", **kwds):
          f = UTF8Recoder(f, encoding)
          fieldnames = csv.reader([header,]).next()
          self.reader = csv.DictReader(f, fieldnames=fieldnames, dialect=dialect, **kwds)
          self.fieldnames = [fn.strip() for fn in self.reader.fieldnames]
  
      def next(self):
          row = self.reader.next()
          newrow = {}
          for key in row:
              newrow[unicode(key.strip(), "utf-8")] = unicode(row[key].strip(), "utf-8")
          return newrow
          return [unicode(s, "utf-8") for s in row]
  
      def __iter__(self):
          return self
  
  class UnicodeWriter:
      """
      A CSV writer which will write rows to CSV file "f",
      which is encoded in the given encoding.
      """
  
      def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
          # Redirect output to a queue
          self.queue = cStringIO.StringIO()
          self.writer = csv.writer(self.queue, dialect=dialect, **kwds)
          self.stream = f
          self.encoder = codecs.getincrementalencoder(encoding)()
  
      def writerow(self, row):
          self.writer.writerow([s.encode("utf-8") for s in row])
          # Fetch UTF-8 output from the queue ...
          data = self.queue.getvalue()
          data = data.decode("utf-8")
          # ... and reencode it into the target encoding
          data = self.encoder.encode(data)
          # write to the target stream
          self.stream.write(data)
          # empty queue
          self.queue.truncate(0)
  
      def writerows(self, rows):
          for row in rows:
              self.writerow(row)
  
  
new_contents: import csv, codecs, cStringIO
  
  class UTF8Recoder:
      """
      Iterator that reads an encoded stream and reencodes the input to UTF-8
      """
      def __init__(self, f, encoding):
          self.reader = codecs.getreader(encoding)(f)
  
      def __iter__(self):
          return self
  
      def next(self):
          return self.reader.next().encode("utf-8")
  
  class UnicodeDictReader:
      """
      A CSV reader which will iterate over lines in the CSV file "f",
      which is encoded in the given encoding.
      """
  
      def __init__(self, f, header, dialect=csv.excel, encoding="utf-8", **kwds):
          f = UTF8Recoder(f, encoding)
          fieldnames = csv.reader([header,]).next()
          self.reader = csv.DictReader(f, fieldnames=fieldnames, dialect=dialect, **kwds)
          self.fieldnames = [fn.strip() for fn in self.reader.fieldnames]
  
      def next(self):
          row = self.reader.next()
          newrow = {}
          for key in row:
              newrow[unicode(key.strip(), "utf-8")] = unicode(row[key].strip(), "utf-8")
          return newrow
  
      def __iter__(self):
          return self
  
subject: Remove totally unused and untested UnicodeWriter class.