Migrates the XML export file of js-kit/echo to the format of jskomment (http://code.google.com/p/jskomment/)

migration-jskit-jskomment.py

"""
Migrates the XML export file of js-kit/echo to the format of jskomment (http://code.google.com/p/jskomment/)
--Martin Monperrus
Tuesday, July 10 2012

"""
import xml.dom.minidom 
import hashlib
import base64
import json

datasource = open('monperrus.net-comments.xml')
dom = xml.dom.minidom.parse(datasource)

for x in dom.getElementsByTagName('channel'):
  title = x.getElementsByTagName('link')[0].firstChild.nodeValue
  print 'Migrating comments of ',title
  comments = []
  for item in x.getElementsByTagName('item'):
    comment = {}
    comment['title']=title
    comment['comment']=item.getElementsByTagName('description')[0].firstChild.nodeValue
    comment['ctime']=item.getElementsByTagName('pubDate')[0].firstChild.nodeValue
    try:# there may be no author data
      comment['name']=item.getElementsByTagName('author')[0].firstChild.nodeValue
    except: pass
    tjson = json.dumps(comment)
    comments.append(tjson)
  comments.reverse()
  commentfile = open('jskomment-data/'+hashlib.sha1(title).hexdigest(),'w')
  for tjson in comments:  commentfile.write(tjson+"\n")
  commentfile.close()