<div dir="ltr"><div><div><div><div>Hi,<br><br></div>I try to implement a local search engine product with Catalog. For this, I have followed the "Indexing and searching" part from "Web component Development with Zope3" book.<br>
<br></div>My issue occurs when I add the product in ZMI ("A system error occurred") with log :<br><br>ERROR SiteError <a href="https://site.com/@@contents.html" target="_blank">https://site.com/@@contents.html</a><br>
...<br>......<br>
File "/usr/lib/python2.4/site-packages/zope/tales/expressions.py", line 217, in __call__<br> return self._eval(econtext)<br> File "/usr/lib/python2.4/site-packages/zope/tales/expressions.py", line 211, in _eval<br>
return ob()<br> File "/usr/lib/python2.4/site-packages/zope/app/container/browser/contents.py", line 80, in listContentInfo<br> self.addObject()<br> File "/usr/lib/python2.4/site-packages/zope/app/container/browser/contents.py", line 245, in addObject<br>
adding.action(request['type_name'], new)<br> File "/usr/lib/python2.4/site-packages/zope/app/container/browser/adding.py", line 142, in action<br> content = factory()<br> File "/usr/lib/python2.4/site-packages/zope/component/factory.py", line 37, in __call__<br>
return self._callable(*args, **kw)<br><b>TypeError: __init__() takes exactly 3 arguments (1 given)</b><br><br></div>Here are the different sources :<br><br></div>__init__.py :<br><br>----------------------------------------------------------------------<br>
<br><div>from interfaces import ISearchz<br>from Searchz import Searchz, QueryPage<br><div><br>----------------------------------------------------------------------<br><br></div><div>Searchz.py :<br></div><div><br>----------------------------------------------------------------------<br>
<br>from zope.component import getUtility, queryMultiAdapter<br>from zope.interface import implements<br>from zope.publisher.browser import BrowserPage<br>from zope.dublincore.interfaces import IZopeDublinCore<br>from zope.index.text.interfaces import ISearchableText<br>
from zope.traversing.browser import absoluteURL<br>from zope.app.catalog.interfaces import ICatalog<br>from zope.app.pagetemplate import ViewPageTemplateFile<br>from interfaces import ISearchz<br><br>class Searchz(BrowserPage):<br>
implements(ISearchz)<br> def update(self, query):<br> catalog = getUtility(ICatalog)<br> self.results = catalog.searchResults(fulltext=query)<br><br> render = ViewPageTemplateFile ('<a href="http://search.pt" target="_blank">search.pt</a>')<br>
<br> def __call__(self, query):<br> self.update(query)<br> return self.render()<br><br> def getResultsInfo(self):<br> for obj in self.results:<br> icon = queryMultiAdapter((obj, self.request), name='zmi_icon')<br>
<br> if icon is not None:<br> icon = icon()<br><br> title = None<br> dc = IZopeDublinCore(obj, None)<br><br> if dc is not None:<br> title = dc.title<br> text = ISearchableText(obj).getSearchableText()<br>
<br> if len(text) > 100:<br> text = text[:97] + u'...'<br><br> yield {'icon': icon, 'title': title, 'text': text,<br> 'absolute_url': absoluteURL(obj, self.request)}<br>
<br>class QueryPage(BrowserPage):<br> template = ViewPageTemplateFile('<a href="http://query.pt" target="_blank">query.pt</a>')<br> count = 0<br> total = 0<br> def __call__(self):<br> if "UPDATE_SUBMIT" in self.request.form:<br>
d = "delete_first" in self.request.form<br> self.count, self.total = self.context.update(delete=d)<br> return self.template()<br><br>----------------------------------------------------------------------<br>
<br></div><div>creationCatalog.py :<br></div><div><br>from zope.component import adapter<br>from zope.app.intid.interfaces import IIntIds<br>from zope.app.intid import IntIds<br>from zope.app.catalog.interfaces import ICatalog<br>
from zope.app.catalog.catalog import Catalog<br>from zope.app.catalog.text import TextIndex<br>from zope.app.pagetemplate import ViewPageTemplateFile<br>from zope.app.container.interfaces import IObjectAddedEvent<br>from interfaces import ISearchz<br>
<br>@adapter(ISearchz, IObjectAddedEvent)<br>def creationCatalog(event):<br> sm = event.object.getSiteManager()<br> intids = IntIds()<br> sm['intids'] = intids<br> sm.registerUtility(intids, IIntIds)<br>
<br> catalog = Catalog()<br> sm['catalog'] = catalog<br> sm.registerUtility(catalog, ICatalog)<br><br> fulltext = TextIndex(<br> interface=ISearchableText,<br> field_name='getSearchableText',<br>
field_callable=True<br> )<br> catalog[u'fulltext'] = fulltext<br><br>----------------------------------------------------------------------<br><br></div><div>interfaces.py :<br><br>----------------------------------------------------------------------<br>
<br>from zope.interface import Interface<br>from zope.schema import Text, TextLine, Int<br>from zope.app.container.constraints import ItemTypePrecondition<br>from zope.app.container.interfaces import IContainer<br><br>class ISearchz(Interface):<br>
def update():<br> """<br> update catalog<br> """<br> def getResultsInfo():<br> """ <br> query for searching in catalog<br> """<br>
def __setitem__(key, value):<br> """ <br> add page<br> """<br> __setitem__.precondition = ItemTypePrecondition(ISearchz)<br><br>----------------------------------------------------------------------<br>
<br></div><div>and configure.zcml :<br><br>----------------------------------------------------------------------<br><br><configure xmlns="<a href="http://namespaces.zope.org/zope" target="_blank">http://namespaces.zope.org/zope</a>"<br>
xmlns:browser="<a href="http://namespaces.zope.org/browser" target="_blank">http://namespaces.zope.org/browser</a>"<br> i18n_domain="searchz"><br><br> <interface<br> interface=".interfaces.ISearchz"<br>
type="zope.app.content.interfaces.IContentType" /><br><br> <class<br> class=".Searchz"><br> <implements<br> interface=".interfaces.ISearchz" /><br> <implements<br>
interface="zope.annotation.interfaces.IAttributeAnnotatable" /><br> <factory<br> id="searchz.Searchz"<br> title="Search Engine"<br> description="Search Engine" /><br>
<require<br> permission="zope.Public"<br> interface=".interfaces.ISearchz" /><br> <require<br> permission="zope.ManageContent"<br> set_schema=".interfaces.ISearchz" /><br>
</class><br><br> <browser:icon name="zmi_icon"<br> for=".interfaces.ISearchz"<br> file="search.gif" /><br><br> <browser:addMenuItem<br> class=".Searchz"<br>
title="Search Engine"<br> description="Search Engine"<br> permission="zope.ManageContent" /><br><br> <browser:containerViews<br> for=".interfaces.ISearchz"<br>
index="zope.View"<br> contents="zope.View"<br> add="zope.ManageContent" /><br><br> <browser:addform<br> label="Add search engine"<br> name="addsearch.html"<br>
schema=".interfaces.ISearchz"<br> content_factory="searchz.Searchz"<br> permission="zope.ManageContent" /><br><br> <browser:page<br> for=".interfaces.ISearchz"<br>
name="query.html"<br> class=".QueryPage"<br> permission="zope.ManageContent"<br> menu="zmi_views"<br> title="Update Catalog" /><br><br><b><subscriber handler=".creationCatalog.creationCatalog" /></b><br>
<br></configure><br><br></div><div>----------------------------------------------------------------------<br><br></div><div>Could you see what's wrong at first sight ?<br><br></div><div>Thanks<br></div><div><br>
<br>
</div></div></div>