How to loop until EOF in Python?

Question

I need to loop until I hit the end of a file-like object, but I\'m not finding an \"obvious way to do it\", which makes me suspect I\'m overlooking something, well, obvious.

Answer 1

I'd go with Tendayi's suggestion re function and iterator for readability:

def read4():
    len_name = data.read(4)
    if len_name:
        len_name = struct.unpack("