converter.py

import MySQLdb
import json
import html2text

con = MySQLdb.connect('localhost', 'root', '', 'nashig', use_unicode=True)

with con:
    h = html2text.HTML2Text()
    h.ignore_links = True

    cur = con.cursor()
    cur.execute("SELECT post_title, post_content from wp_posts")

    with open("lines.json", "w") as fp:
        for title, content in cur.fetchall():
            fp.write(json.dumps({
                "title": h.handle(title).strip(),
                "content": h.handle(content).strip()
            }) + "\n")