2018年6月9日土曜日

開発環境

入門 Python 3 (Bill Lubanovic (著)、斎藤 康毅 (監修)、長尾 高弘 (翻訳)、オライリージャパン)の11章(並行処理とネットワーク)、11.3(復習問題)5.を取り組んでみる。

コード(Emacs)

Python 3

sub.py

#!/usr/bin/env python3
import zmq
import re

f1 = open('voewl.txt', 'w')
f2 = open('five.txt', 'w')

ctx = zmq.Context()
host = '127.0.0.1'
port = 6789
sub = ctx.socket(zmq.SUB)

sub.connect(f'tcp://{host}:{port}')
sub.setsockopt(zmq.SUBSCRIBE, b'')

while True:
    word = sub.recv_string()
    if word == 'END':
        break
    if re.match(r'[aeiou]', word):
        print(word, file=f1)
    if len(word) == 5:
        print(word, file=f2)

f1.close()
f2.close()

pub.py

#!/usr/bin/env python3
import zmq
import time

filename = 'mammoth.txt'
with open(filename) as f:
    mammoth = f.read()

f = open('pub.txt', 'w')
print('11-5', file=f)

host = '*'
port = 6789
ctx = zmq.Context()
pub = ctx.socket(zmq.PUB)
pub.bind(f'tcp://{host}:{port}')
time.sleep(1)

for word in [w.strip() for w in mammoth.split()]:
    print(word, file=f)
    pub.send_string(word)

f.close()

入出力結果(Terminal, Jupyter(IPython))

$ ./sub.py &
[1] 79144
$ ./pub.py
[1]+  Done                    ./sub.py
$ cat voewl.txt 
of
at
ease,
evening
admired
a
of
as
a
of
as
upon
unrivalled,
of
a
as
off
as
as
at
of
of
or
oh!
of
a
even
at
it
and
$ cat five.txt 
thee,
queen
Lying
ease,
flies
gaily
great
show,
swarm
bees,
stand
queen
heard
great
youth
might
songs
glees
could
sing,
queen
We'rt
You'd
shade
noon,
Folks
would
think
About
crush
soon.
$ 

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