I've heard a few people mention this, so I thought I'd post this recipe. We're using a simpler version in Vice to prettify some URLs, but it was so easily generalised I knocked an example together.
The idea is that the traverse_subpath variable from Script (Python) was a nice recipe for getting information from URLs. You might have a URL http://127.0.0.1:8080/test/traverse_subpath/a/v/121/a/a/a/1213 and want the list ["a", "v" "121", "a", "a", "a", "1213"].
It turns out that as z3 views are based on their own traversal mechanism, it's really easy to override to get something to emulate this behaviour.
So, set up your view as you usually would, but note the subtle differences from the boilerplate:
traversesubpath.py
from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
from zope.publisher.browser import BrowserPage
class subpath(BrowserPage):
def __init__(self, context, request):
self.context = context # Use Martin's aq_magic
self.request = request
self._path = []
def publishTraverse(self, request, name):
self._path.append(name)
return self
@property
def traverse_subpath(self):
return self._path
__call__ = ViewPageTemplateFile('traversesubpath.pt')
traversesubpath.pt
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"With the URL I gave above, I get the following page rendered:
xmlns:tal="http://xml.zope.org/namespaces/tal"
xmlns:metal="http://xml.zope.org/namespaces/metal"
xmlns:i18n="http://xml.zope.org/namespaces/i18n"
lang="en"
i18n:domain="plone">
<ul>
<li
tal:repeat="pathitem view/traverse_subpath"
tal:content="pathitem" />
</ul>
</html>
- a
- v
- 121
- a
- a
- a
- 1213
It's that simple.
