Script to create a CSV file for en-ja term dictionary

gistfile1.py

# -*- coding: utf-8 -*-
# This is my first python script. Whoo hoo!
# I needed to create a csv, each line of which consists of
# key, Japanese text, and English text, out of Java language
# resource files. 
import sys
import glob
import re
import csv

def is_en_file(fn):
	return not re.search(r'_ja.properties', fn)

ja_files = glob.glob('*_ja.properties')
en_files = filter(is_en_file, glob.glob('*.properties'))


reline = re.compile(r'(.*?)=(.*)')

# http://stackoverflow.com/questions/267436/how-do-i-treat-an-ascii-string-as-unicode-and-unescape-the-escaped-characters-in
def encode_val_ja(str):
	#return str.decode('unicode-escape').encode('utf-8')
	return str.decode('unicode-escape').encode('cp932')

dic = {}

def add_to_dic(files, lang):
	for fn in files:
		f = open(fn, 'r')
		for line in f:
			m = re.search(reline, line)
			if m:
				key = m.group(1)
				val = m.group(2)
				valstr = encode_val_ja(val)
				if dic.get(key):
					dic[key][lang] = valstr
				else:
					dic[key] = {lang: valstr}

add_to_dic(ja_files, 'ja')
add_to_dic(en_files, 'en')

writer = csv.writer(sys.stdout, lineterminator="\n")
for k, v in dic.iteritems():
	writer.writerow([k, v.get('en'), v.get('ja')])
	#print k, v.get('en'), v.get('ja')