Find file
Fetching contributors…
Cannot retrieve contributors at this time
65 lines (55 sloc) 2.45 KB
require 'rubygems'
require 'sequel'
require 'fileutils'
require 'yaml'
# NOTE: This converter requires Sequel and the MySQL gems.
# The MySQL gem can be difficult to install on OS X. Once you have MySQL
# installed, running the following commands should work:
# $ sudo gem install sequel
# $ sudo gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config
module Jekyll
module WordPress
# Reads a MySQL database via Sequel and creates a post file for each
# post in wp_posts that has post_status = 'publish'.
# This restriction is made because 'draft' posts are not guaranteed to
# have valid dates.
QUERY = "select post_title, post_name, post_date, post_content, post_excerpt, ID, guid from nata3_posts where post_status = 'publish' and post_type = 'post'"
def self.process(dbname, user, pass, host = 'localhost')
db = Sequel.mysql(dbname, :user => user, :password => pass, :host => host)
FileUtils.mkdir_p "_posts"
db[QUERY].each do |post|
# Get required fields and construct Jekyll compatible name
id = post[:ID]
tag_q = "SELECT slug FROM nata3_posts, nata3_term_relationships, nata3_terms, nata3_term_taxonomy where nata3_posts.ID = nata3_term_relationships.object_ID and nata3_term_relationships.term_taxonomy_id = nata3_term_taxonomy.term_taxonomy_id and nata3_terms.term_id = nata3_term_taxonomy.term_id and nata3_posts.ID = '"+id.to_s()+"'"
tags_ar =
db[tag_q].each do |tag|
tags = tags_ar * ", "
title = post[:post_title]
slug = post[:post_name].gsub(/\//,'_')
date = post[:post_date]
content = post[:post_content]
name = "%02d-%02d-%02d-%s.markdown" % [date.year, date.month,,
# Get the relevant fields as a hash, delete empty fields and convert
# to YAML for the header
data = {
'layout' => 'post',
'title' => title.to_s,
'excerpt' => post[:post_excerpt].to_s,
'wordpress_id' => post[:ID],
'tags' => tags,
'date' => date,
'wordpress_url' => post[:guid]
}.delete_if { |k,v| v.nil? || v == ''}.to_yaml
# Write out the data and content to file"_posts/#{name}", "w") do |f|
f.puts data
f.puts "---"
f.puts content