In  OpenERP to create opens wiki page first you have to create the current row and than the current user’s ID for security checks. user ID find List of open wiki group’s IDs and also maps the dictionary of open wiki window on give group id and the last thing is it provides wiki page if not then it will not show any wiki page and shows the message page not found.

use this function show in  given below

def wikipage(self, cr, uid, ids, context=None):

        if type(ids) in (int,long,):
            ids = [ids]
        group_id = False
        if ids:
            group_id = ids[0]
        if not group_id:
            return {}
        value = {
            'name': 'Wiki Page',
            'view_type': 'form',
            'view_mode': 'form,tree',
            'res_model': 'wiki.wiki',
            'view_id': False,
            'type': 'ir.actions.act_window',
            'nodestroy': True,
        }
        group = self.browse(cr, uid, group_id, context=context)
        value['domain'] = "[('group_id','=',%d)]" % (group.id)
        if group.method == 'page':
            value['res_id'] = group.home.id
        elif group.method == 'list':
            value['view_type'] = 'form'
            value['view_mode'] = 'tree,form'
        elif group.method == 'tree':
            view_id = self.pool.get('ir.ui.view').search(cr, uid, [('name', '=', 'wiki.wiki.tree.children')])
            value['view_id'] = view_id
            value['domain'] = [('group_id', '=', group.id), ('parent_id', '=', False)]
            value['view_type'] = 'tree'

        return value