#!/usr/bin/env python
"""
    Use this script to reduce a data/ directory to the latest page revision of
    each non-deleted page.
    This is used to make the distributed underlay directory, but can also be
    used for other purposes.
    
    So we change like this:      
        * data/pages/PageName/revisions/{1,2,3,4}
          -> data/pages/revisions/1
        * data/pages/PageName/current (pointing to e.g. 4)
          -> same (pointing to 1)
        * data/pages/PageName/edit-log and data/edit-log
          -> do not copy
           
    Steps for a successful conversion:

        1. Stop your wiki and make a backup of old data and code

        2. Make a copy of the wiki's "data" directory to your working dir

        3. Run this script from your working dir

        4. If there was no error, you will find:
            data.pre-reduce - the script renames your data directory copy to that name
            data - reduced data dir

        5. Verify conversion results (number of pages, ...)

        6. Test it - if something has gone wrong, you still have your backup.


    @copyright: 2004 Thomas Waldmann
    @license: GPL, see COPYING for details
"""

url = 'moinmaster.wikiwikiweb.de/'
destdir = 'underlay'

import sys
sys.path.insert(0, '/org/de.wikiwikiweb.moinmaster/bin') # farmconfig/wikiconfig location
sys.path.insert(0, '../../..')

import os.path, urllib, codecs
from MoinMoin import config
from MoinMoin import wikiutil
from MoinMoin.request import RequestCLI
from MoinMoin.Page import Page
from MoinMoin.PageEditor import PageEditor

def makepage(rootdir, pagename, text):
    """quick and dirty!"""
    pagedir = os.path.join(rootdir, 'pages', wikiutil.quoteWikinameFS(pagename))
    os.makedirs(pagedir)
    
    revstr = '%08d' % 1
    cf = os.path.join(pagedir, 'current')
    open(cf, 'w').write(revstr+'\n')
    
    revdir = os.path.join(pagedir, 'revisions')
    os.makedirs(revdir)
    tf = os.path.join(revdir, revstr)
    text = text.replace("\n","\r\n")
    codecs.open(tf, 'wb', config.charset).write(text)
    
request = RequestCLI(url=url)
request.form = request.args = request.setup_args()

pagelist = list(request.rootpage.getPageList(user=''))
for pagename in pagelist:
    p = Page(request, pagename)
    text = p.get_raw_body()
    makepage(destdir, pagename, text)