csv with unicode support for python 2.7 Reader from http://stackoverflow.com/a/6187936/1414450 Writer http://stackoverflow.com/a/5838817/1414450 with a small add-on.

gistfile1.py

import csv
import cStringIO
import codecs

class UnicodeCsvReader(object):
    "From http://stackoverflow.com/a/6187936/1414450."
    def __init__(self, f, encoding="utf-8", **kwargs):
        self.csv_reader = csv.reader(f, **kwargs)
        self.encoding = encoding

    def __iter__(self):
        return self

    def next(self):
        # read and split the csv row into fields
        row = self.csv_reader.next() 
        # now decode
        return [unicode(cell, self.encoding) for cell in row]

    @property
    def line_num(self):
        return self.csv_reader.line_num

class UnicodeDictReader(csv.DictReader):
    def __init__(self, f, encoding="utf-8", fieldnames=None, **kwds):
        csv.DictReader.__init__(self, f, fieldnames=fieldnames, **kwds)
        self.reader = UnicodeCsvReader(f, encoding=encoding, **kwds)

class DictUnicodeWriter(object):
    "From : http://stackoverflow.com/a/5838817/1414450 . Enhanced."
    def __init__(self, f, fieldnames, dialect=csv.excel, encoding="utf-8", **kwds):
        # Redirect output to a queue
        self.queue = cStringIO.StringIO()
        self.writer = csv.DictWriter(self.queue, fieldnames, dialect=dialect, **kwds)
        self.stream = f
        self.encoder = codecs.getincrementalencoder(encoding)()

    def writerow(self, D):
        self.writer.writerow({k:v.encode("utf-8") for k,v in D.items()})
        # 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 D in rows:
            self.writerow(D)

    def writeheader(self):
        self.writer.writeheader()
    
    # Added GJ
    def truncateNwriterow(self, D) :
        self.writerow({ k: v for k, v in D.items() if k in self.writer.fieldnames})