view MoinMoin/events/wikidictsrescan.py @ 2999:e94b940f3a84

add a comment about listen backlog to moin.fcg (port from 1.6)
author Thomas Waldmann <tw AT waldmann-edv DOT de>
date Sun, 06 Jan 2008 17:32:33 +0100
parents 07cd2b5f0fb9
children c6e39279f83b
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# -*- coding: iso-8859-1 -*-
"""
    MoinMoin - wikidicts notification plugin for event system

    When a Group or Dict page changes, we rescan them and recreate the cache.

    @copyright: 2007 by MoinMoin:ThomasWaldmann
    @license: GNU GPL, see COPYING for details.
"""
import logging

from MoinMoin import events as ev
from MoinMoin import wikidicts

def handle(event):
    # "changed" includes creation, deletion, renamed and copied
    if isinstance(event, ev.PageChangedEvent) or isinstance(event, ev.PageRenamedEvent) or isinstance(event, ev.PageCopiedEvent):
        cfg = event.request.cfg
        pagename = event.page.page_name
        if cfg.cache.page_dict_regex.search(pagename) or \
           cfg.cache.page_group_regex.search(pagename):
            return handle_groupsdicts_changed(event)


def handle_groupsdicts_changed(event):
    """ Handles events related to groups and dicts page changes:
        Scans all pages matching the dict / group regex and pickles the
        data to disk.
    """
    request = event.request
    page = event.page

    logging.debug("groupsdicts changed: %r, scan_dicts started", page.page_name)
    del request.dicts
    gd = wikidicts.GroupDict(request)
    gd.scan_dicts()
    logging.debug("groupsdicts changed: scan_dicts finished")