Am 02.05.15 um 21:57 schrieb Adam Bartoš:
> Even if sys.stdin contained a file-like object with proper encoding
> attribute, it wouldn't work since sys.stdin has to be instance of <type
> 'file'>. So the question is, whether it is possible to make a file instance
> in Python that is also customizable so it may call my code. For the first
> thing, how to change the value of encoding attribute of a file object.

If, by "in Python", you mean both "in pure Python", and "in Python 2",
then the answer is no. If you can add arbitrary C code, then you might
be able to hack your C library's stdio implementation to delegate fread
calls to your code.

I recommend to use Python 3 instead.

Regards,
Martin