Python - Modules and Packages(Nested imports)

Learning Python
(Oreilly & Associates Inc)
Mark Lutz (著)
(邦訳版)

開発環境

• OS X Mavericks - Apple(OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python (プログラミング言語)

Learning Python (Mark Lutz (著)、Oreilly & Associates Inc)のPART V.(Modules and Packages)、Test Your Knowledge: Part V Exercises 4(Nested imports)を解いてみる。

その他参考書籍

• Pythonチュートリアル 第2版
• Python クックブック 第2版 (原書(最新版))

4(Nested imports)

コード(BBEdit)

mymod.py

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

import sys

def countLines1(name):
    with open(name) as f:
        count = len(f.readlines())
    return count

def countChars1(name):
    with open(name) as f:
        count = len(f.read())
    return count

def test1(name):
    return {'lines':countLines1(name), 'chars':countChars1(name)}

def countLines2(file):
    return len(file.readlines())
    
def countChars2(file):
    return len(file.read())

def test2(name):
    with open(name) as f:
        lines = countLines2(f)
        f.seek(0)
        chars = len(f.read())
    return {'lines':lines, 'chars':chars}

if __name__ == '__main__':
    try:
        name = sys.argv[1]
    except:
        name = 'mymod.py'
    print(test1(name))
    print(test2(name))

myclient1.py

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

import mymod

if __name__ == '__main__':
    name = 'mymod.py'
    for func in [mymod.test1, mymod.test2]:
        print(func(nam

myclient2.py

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

from mymod import *

if __name__ == '__main__':
    name = 'mymod.py'
    for func in [test1, test2]:
        print(func(name))

入出力結果(Terminal)

$ ./myclient1.py
{'lines': 38, 'chars': 767}
{'lines': 38, 'chars': 767}
$ ./myclient2.py
{'chars': 767, 'lines': 38}
{'chars': 767, 'lines': 38}
$