"""
Allow sections to change the title of the page.

If the directory contains a file called '.title', the first line of this file is
used as the page's title.

Copyright (C) 2004 Ross Burton <ross@burtonini.com>
"""
__author__ = "Ross Burton <ross@burtonini.com>"
__version__ = "0.1"

def cb_prepare(args):
    """
    This method gets called in the prepareChain.  It gets passed
    the Request object as the first member of the args tuple.
    """
    request = args["request"]
    data = request.getData()
    config = request.getConfiguration()

    # If we have no entries, we want to keep it that way so the 404 message
    # title is correct.
    entry_list = data.get("entry_list", [])    
    if len(entry_list) <= 0:
        return

    try:
        f = open(config["datadir"] + '/' + data['pi_bl'] + "/.title")
        title = f.readline()
        config['blog_title'] = title.strip()
    except Exception, e:
        return