Created
September 21, 2012 05:02
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ここまで読んだ
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#!/usr/bin/python | |
# vim: fileencoding=utf-8 | |
'''ここまで読んだ | |
標準入力を読み出し、標準出力に書き込む。 | |
エンターが押されたら、マーカーを表示する。 | |
''' | |
import os | |
import sys | |
import tty | |
from threading import Thread | |
def find_tty(): | |
for f in (sys.stderr, sys.stdout, sys.stdin): | |
if f.isatty(): | |
ttyname = os.ttyname(f.fileno()) | |
break | |
else: | |
raise Exception("can't find tty") | |
return ttyname | |
def cat(input, output): | |
#for buf in iter(lambda: input.read(4096), ''): | |
for buf in iter(input.readline, ''): | |
output.write(buf) | |
output.flush() | |
def marking(): | |
t = find_tty() | |
f = open(t, 'r') | |
# disable tty echo back | |
tty.setcbreak(f.fileno()) | |
# to avoid buffering, use iter | |
for _ in iter(f.readline, ''): | |
print bold(u'---- ここまで読んだ ----').encode('utf-8') | |
sys.stdout.flush() | |
def bold(text): | |
return u'\x1b[1m' + text + u'\x1b[22m' | |
def main(): | |
try: | |
t = Thread(target=marking) | |
t.setDaemon(True) | |
t.start() | |
cat(sys.stdin, sys.stdout) | |
except KeyboardInterrupt: | |
pass | |
except IOError, e: | |
if e.errno == 32: | |
# Broken Pipe | |
pass | |
else: | |
raise | |
if __name__ == '__main__': | |
main() |
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