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POdjango reverse() failing
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copied!<p>simply put mentions of <code>reverse()</code> anywhere in my project were failing, and so was {% url %}. I have since made some progress if you scroll to the bottom!</p> <hr> <p><strong>relevant files</strong></p> <p><strong>root/urls.py</strong></p> <pre><code>from django.conf.urls.defaults import patterns, include, url from django.contrib.staticfiles.views import serve as serveStatic # Uncomment the next two lines to enable the admin: from django.contrib import admin admin.autodiscover() urlpatterns = patterns('', (r'^admin/', include(admin.site.urls)), (r'^dbrowse/', include('dbrowse.urls')), (r'^static/', serveStatic), url(r'^$', 'core.views.viewHallo',name='home'), ) </code></pre> <p><strong>root/core/views.py</strong></p> <pre><code>from django.shortcuts import render_to_response from django.template.context import RequestContext from site import site_store def viewHallo (request): pass return render_to_response ('core.html', {'site':site_store, 'title':'i am the hallo view', 'content':'Hallo World!',}, context_instance=RequestContext(request)) </code></pre> <hr> <p><strong>Notes</strong></p> <p>I first noticed the <code>reverse()</code> failing when i had a file called <code>site.py</code> in my project that tried to call <code>reverse()</code>. I was using it to store site settings. I was using the file because</p> <ol> <li>I didn't want to use the bother the database with data that would rarely change.</li> <li>If I nuked my projects database I didn't want my site settings also going down</li> </ol> <p>I have since found a way to use models to achieve the two goals.</p> <p>but all that is just extra background info, in case you here someone commenting about a <code>site.py</code>.</p> <p><strong>update 25/02/11</strong></p> <p>well here goes!</p> <p>first notice that <code>urls.py</code> has <code>(r'^dbrowse/', include('dbrowse.urls'))</code>. that caused <code>reverse()</code> to fail. I'll explain later...</p> <p>as for the template tag, I've discovered that the <code>{% url %}</code> doesnt take variables. I took this completely for granted.In fact when I was testing the template tag, i'd just go in and hard code something such as <code>{% url 'home' %}</code> which would work and sometimes i'd test <code>{% url home %}</code> with <code>home</code> being a variable. I din't even see this as being completely different test cases.</p> <p>But i now know <code>{% load url from future %}</code> allows you to use variables as arguments to <code>{% url %}</code></p> <p>Anyway, now back to the <code>(r'^dbrowse/', include('dbrowse.urls'))</code> in <code>urls.py</code></p> <p>I had a folder like so</p> <pre><code>project\ --dbrowse\ __init__.py urls.py </code></pre> <p>now this is <strong>dbrowse/urls.py</strong></p> <pre><code>from django.conf.urls.defaults import patterns, url #databrowse from django.contrib import databrowse databrowse.site.register(MyModel) urlpatterns = patterns('', url(r'(.*)',databrowse.site.root, name='dbrowse'),) </code></pre> <p>this was my attempt to avoid having to put <code>databrowse.site.register(MyModel)</code> in my project's root <code>urls.py</code> like the docs suggested. I dont like the idea of polluting my projects main <code>urls.py</code> with <code>databrowse.site.register(MyModel)</code></p> <p>however I still dont understand why this caused <code>reverse()</code> to break. but i'm supecting it's to do with <code>(.*)</code> being in the pattern.</p>

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