How do I write data into CSV format as string (not file)?

Question

I want to cast data like [1,2,\'a\',\'He said \"what do you mean?\"\'] to a CSV-formatted string.

Normally one would use csv.writer() for

Answer 1

You could use StringIO instead of your own Dummy_Writer:

This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files).

There is also cStringIO, which is a faster version of the StringIO class.