I've been running into a problem that seems very similar to
http://code.djangoproject.com/ticket/170, although I see that that
issue was fixed so I am betting the bug is on my end somewhere.
Unfortunately, I'm a little green w.r.t. unicode issues so I'm hoping
someone else can correct my misconceptions.
My app's templatetags/navigation.py file is enclosed. If you look for
the string ".title()" you can see where the title() method on my Page
objects is getting called. Unless I change that method to encode its
result as ascii or utf-8, I get the exception. Can anyone explain
what's going on? I suspect problems with mixing utf-8 and ascii
encoded strings, but I'm really out of my depth here.
Many thanks in advance.
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from django import template
# from static.models import Page
from static import Page
register = template.Library()
class Home:
'''A fake page that gets us an initial Home menu'''
def children(self):
return []
def get_absolute_url(self):
return '/'
def title(self):
return 'Home'
class NavigationNode(template.Node):
@classmethod
def _menu_items(self, root, pages, depth):
if depth == 0:
return ''
items = []
items.append(
' <li class="self"><a href="%s">%s Home</a></li>'
% (
root.get_absolute_url(),
root.title()))
for i in range(len(pages)):
p = pages[i]
c = p.children()
classes = []
if c:
classes.append('submenu')
if i == len(pages) - 1:
classes.append('last')
items.append(
' <li %s><a href="%s">%s</a>\n%s</li>'
% (
len(classes) and ('class="' + ' '.join(classes) + '"') or '',
p.get_absolute_url(),
p.title(),
self._menu_items(root, p.children(),depth-1)))
return ' <ul>\n%s</ul>\n' % ''.join(items)
def render(self, ctx):
result = '<ul>\n'
first = 'first-'
for top in [Home()] + Page.roots():
children = top.children()
if children:
leaf = ''
# increase depth to create multilevel menus
menu_items = self._menu_items(top, children, depth=1)
else:
menu_items = ''
leaf = '-leaf'
result += '<li class="%smenu%s">' % (first, leaf)
result += '<a href="%s">%s</a>\n' % (top.get_absolute_url(), top.title())
result += menu_items
result += '</li>'
return result + '</ul>\n'
def navigation_tree(parser, token):
return NavigationNode()
register.tag(navigation_tree)
--
Dave Abrahams
Boost Consulting
www.boost-consulting.com
