I posted a question earlier today about circular imports (http://
groups.google.com/group/django-users/t/6119e979131c8c25). I now have
a follow question to that. I've got the following view logic.
def portal(request):
scientist_id = 1
s = get_object_or_404(Scientist, pk=scientist_id)
return render_to_response('scientists/portal.html',
{'scientist':s})
Now, Scientists are related (many-to-many) to Conferences through
ConferenceAttendee. Both of these models are created in a different
app. I won't paste them in unless someone needs to see them in order
to answer my question.
I only want to loop through conferences that this scientist is
presenting. (ConferenceAttendee.presenter=True). I have tried
following the docs (http://docs.djangoproject.com/en/dev/topics/db/
queries/#field-lookups-intro), but it seems that you can only call the
filter method in python files like views.py or models.py. I've tried
replacing the loop code below with "for ...conference._set.filter(...)
but python gives me errors when I do that. Here is my template logic.
<h2>Your Presentations</h2>
<ul>
{% for conference in scientist.conference_set.all %}
<li><a href="/conferences/{{ conference.id }}">
{{ conference.title }}</a><a href=""><img src="/site_media/images/
portal_start_button.jpeg" /></a></li>
{% endfor %}
</ul>
I've been stuck on this one for days now so any help would be greatly
appreciated. Please do point me to any articles that I may have
missed that already answer this post.
Thank you,
Guy
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