python3のJSONメモ

python2.x
    f = urllib.request.urlopen(url)
    return json.loads(f.read())

python3.x
    f = urllib.request.urlopen(url)
    content = f.read()
    return json.loads(content.decode('utf8'))

Python3のLeveDBメモ

 # -*- coding: utf-8 -*-
import leveldb

db = leveldb.LevelDB('/home/hogfe/ldb')
key = 'hoge'
value = 'fuga'

Python2.7でのCode
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db.Put( key, value)

取得
value = db.Get(key.name)


Python3でのCode
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db.Put( bytes(key, 'UTF-8'), bytes(value, 'UTF-8'))

取得
value = db.Get( bytes(key, 'UTF-8') ).decode()