[Tutor] StringIO

[kakada]

Danny Yoo wrote:
>> I want to use the module StringIO as read and write strings as files,
>> I looked into document but cannot understand. Could anyone give me a
>> simple example?
>>
>> something like:
>> from StringIO import *
>> fin = StringIO("abc")
>> .....
>> How can I used fin?
>
> 'fin' is a file-like object at this point, so you can do things like:
>
>     fin.read(1)
>
> to get a single byte.  The list of things we can do with file-like
> objects is here:
>
>     http://www.python.org/doc/lib/bltin-file-objects.html
>
>
> Does this help?  Good luck!
Actually, what I want is creating a kind of file that is just located in
memory not file system.
I want to have a filename for my convert(inputFileName, outputFileName)
How can I get filename?
doing:
fin.name() is impossible!

All above, I want to test it in unittest.
>
>