Python - Files and Exceptions: Dealing with errors(open, str class(find method, split method))

Head First Python
( O'Reilly Media)
Paul Barry (著)

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)

Head First Python (Paul Barry(著)、 O'Reilly Media )のChapter 3(Files and Exceptions: Dealing with errors)、EXERCISE(p.85)を解いてみる。

EXERCISE(p.85)

コード(BBEdit)

sample85.py

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

with open('sketch.txt') as data:
    for each_line in data:
        if each_line.find(':') != -1:
            role, line_spoken = each_line.split(':', 1)
            print(role, end='')
            print(' said: ', end='')
            print(line_spoken, end='')

# これでも、特定の場合に対処したにすぎない。
# 他の問題がでたら、また新たに対処する必要がある。

入出力結果(Terminal)

$ ./sample85.py
Man said:  Is this the right room for an argument?
Other Man said:  I've told you once.
Man said:  No you haven't!
Other Man said:  Yes I have.
Man said:  When?
Other Man said:  Just now.
Man said:  No you didn't!
Other Man said:  Yes I did!
Man said:  You didn't!
Other Man said:  I'm telling you, I did!
Man said:  You did not!
Other Man said:  Oh I'm sorry, is this a five minute argument, or the full half hour?
Man said:  Ah! (taking out his wallet and paying) Just the five minutes.
Other Man said:  Just the five minutes. Thank you.
Other Man said:  Anyway, I did.
Man said:  You most certainly did not!
Other Man said:  Now let's get one thing quite clear: I most definitely told you!
Man said:  Oh no you didn't!
Other Man said:  Oh yes I did!
Man said:  Oh no you didn't!
Other Man said:  Oh yes I did!
Man said:  Oh look, this isn't an argument!
Other Man said:  Yes it is!
Man said:  No it isn't!
Man said:  It's just contradiction!
Other Man said:  No it isn't!
Man said:  It IS!
Other Man said:  It is NOT!
Man said:  You just contradicted me!
Other Man said:  No I didn't!
Man said:  You DID!
Other Man said:  No no no!
Man said:  You did just then!
Other Man said:  Nonsense!
Man said:  (exasperated) Oh, this is futile!!
Other Man said:  No it isn't!
Man said:  Yes it is!
$