def get_file_size ( fileobj ) : currpos = fileobj . tell ( ) fileobj . seek ( 0 , 2 ) total_size = fileobj . tell ( ) fileobj . seek ( currpos ) return total_size
python get size of an open file
Returns the size of a file - like object .
def get_file_size(fileobj):
    """
    Returns the size of a file-like object.
    """
    currpos = fileobj.tell()
    fileobj.seek(0, 2)
    total_size = fileobj.tell()
    fileobj.seek(currpos)
    return total_size