日本郵便の郵便番号ファイルに所々ある分割されたレコードを連結する
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# coding: utf-8 | |
""" | |
日本郵便の郵便番号ファイルに所々ある分割されたレコードを連結する | |
see: http://www.post.japanpost.jp/zipcode/dl/readme.html | |
""" | |
import csv | |
import json | |
zipcode = [] | |
with open('KEN_ALL.CSV', 'r', encoding='ms932') as f: | |
reader = csv.reader(f) | |
for row in reader: | |
if row[13] == '1': # 廃止は飛ばす | |
continue | |
# 一番最初の扱いがキモい | |
if row[12] == '0' and len(zipcode) > 0: | |
# 連結が必要なデータ | |
lastelement = zipcode[-1] | |
if lastelement['zipcode'] == row[2]: | |
lastelement['townkana'] += row[5] | |
lastelement['town'] += row[8] | |
continue | |
# 連結不要なデータ | |
tmp = { | |
'code':row[0], | |
'zipcode':row[2], | |
'prefkana':row[3], | |
'citykana':row[4], | |
'townkana':row[5], | |
'pref':row[6], | |
'city':row[7], | |
'town':row[8] | |
} | |
zipcode.append(tmp) | |
with open('zipcode_jp.json', 'w') as f: | |
json.dump(zipcode, f, ensure_ascii=False, indent=4) |
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