HackerTyper for the terminal

hackertyper.py

#!/usr/bin/env python3

import tty,os,sys
import termios

class _Getch:
    """Gets a single character from standard input.  Does not echo to the screen."""
    def __init__(self):
        try:
            self.impl = _GetchWindows()
        except ImportError:
            self.impl = _GetchUnix()

    def __call__(self): 
        char = self.impl()
        if char == '\x03':
            raise KeyboardInterrupt
        elif char == '\x04':
            raise EOFError
        return char

class _GetchUnix:
    def __init__(self):
        import tty
        import sys

    def __call__(self):
        import sys
        import tty
        import termios
        fd = sys.stdin.fileno()
        old_settings = termios.tcgetattr(fd)
        try:
            tty.setraw(sys.stdin.fileno())
            ch = sys.stdin.read(1)
        finally:
            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
        return ch


class _GetchWindows:
    def __init__(self):
        import msvcrt

    def __call__(self):
        import msvcrt
        return msvcrt.getch()


getch = _Getch()

filecontents = open(sys.argv[1]).read()

sys.stdout.write("\033[?1049h\033[H")
#old_settings = termios.tcgetattr(sys.stdin.fileno())
tty.setcbreak(sys.stdin.fileno())
sys.stdout.write('\033[92m')
sys.stdout.flush()
try:
    while True:
        a = getch()
        sys.stdout.write(filecontents[0:6])
        sys.stdout.flush()
        filecontents = filecontents[6:]
        if len(filecontents) == 0:
            break
finally:
    #termios.tcsetattr(sys.stdio, termios.TCSADRAIN, old_settings|termios.ECHO)

    print("\033[?1049l"+"\033[0m")
    os.system("stty sane")