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PODjango POST dict empty despite form
 

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  1. PODjango POST dict empty despite form
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    <p>Django 1.4.1. I have a form which appears to have all proper values present in the html yet the POST dict appears empty.</p> <p>views.py (relevant portion):</p> <pre><code>@login_required def event(request, event_id): event = Event.objects.get(pk=event_id) crew = event.userprofile_set.all() current_user = request.user.get_profile() if current_user in crew: current_user_is_not_crew = False elif request.user == event.host: current_user_is_not_crew = False else: current_user_is_not_crew = True if event.date &gt; datetime.now(): future_event = True else: future_event = False context = RequestContext(request) context['event'] = event context['crew'] = crew context['current_user_is_not_crew'] = current_user_is_not_crew context['future_event'] = future_event return render_to_response('event.html', context) def commit(request): """ Commit user to event. Check if enough members (2 including event creator) are taking part to publish the event. If there are, mark sufficient_participants Boolean and publish the event to Facebook. clashing_commitment checks that request user is not already committed to an event on this day. If she is they will not be allowed to commit to this. """ member = request.user.get_profile() event_id = request.POST.get('event_id','') print event_id event = Event.objects.get(pk=event_id) event_less_3_hours = event.date - timedelta(hours=3) event_plus_3_hours = event.date + timedelta(hours=3) clashing_commitment = Event.objects.filter(userprofile__exact=member).\ filter(date__range=(event_less_3_hours, event_plus_3_hours)) crew = event.userprofile_set.all() print crew context = RequestContext(request) if clashing_commitment: context['event'] = event context['crew'] = crew messages.add_message(request, messages.INFO, 'You are already committed to another event at this time. \ You cannot commit to two simultaneous events. Sorry! \ &lt;a href="mailto:me@gmail.com"&gt;Ask admin&lt;/a&gt; to remove you from other event if necessary.') return render_to_response('event.html', context) try: # cronix test page token: graph = GraphAPI("CAAk6zW7VBJL9eUZD") # Publish Facebook event on page eventdate = event.date date_iso = eventdate.isoformat() date_iso += '+0100' graph.post( path = '/449/events', retry=1, name = event.name, description = event.description, location = event.location, start_time = date_iso, ) # To post event image, retrieve all Page events and identify current event # by its precise date in ISO format as captured above. # TODO This is a hacky, error-prone means of identifying # events and needs to be fixed. fb_events = graph.get('/449/events') fb_events = fb_events['data'] for item in fb_events: if item["start_time"] == date_iso: fb_event = item fb_event_id = fb_event.values()[0] fb_event_path = fb_event_id + '/picture' # Get appropriate, environment-specific root url for urllib call below. # TODO Set two img_url variables and wrap urllib2.urlopen call # in try/except as it is error prone try: if os.environ['ENV'] == 'staging': img_url = 'http://www.mysite.org.uk//img/logo-fb.jpg' except: img_url = 'http://localhost:8000/static/img/logo.png' print img_url graph.post( path = fb_event_path, source = urllib2.urlopen(img_url)) except GraphAPI.OAuthError, e: print e.message return redirect('commit') member.event_commitments.add(event) crew = event.userprofile_set.all() if crew.count() &gt; settings.EVENT_PUB_COMMITTED_CRITICAL_MASS and event.sufficient_participants == 0: event.sufficient_participants = 1 event.save() publish_event = True context['event'] = event context['crew'] = crew messages.add_message(request, messages.SUCCESS, 'You have committed to this event.') return render_to_response('event.html', context) </code></pre> <p>urls.py (as requested by commenter):</p> <pre><code>from crewcal.views import user, log_in from django.conf.urls import patterns, include, url from django.contrib.auth.views import login, logout from crewcal import models, views from crewcal.forms import CustomRegistrationForm # from crewcal.forms import RegistrationFormUniqueEmail urlpatterns = patterns('', # Examples: url(r'^$', 'crewcal.views.index', name='home'), # url(r'^ssc/', include('ssc.foo.urls')), url(r'^events/(?P&lt;event_id&gt;\d+)/$', 'crewcal.views.event', name='events'), url(r'^events/new/$', 'crewcal.views.new_event', name='new_event'), url(r'^commit/$', 'crewcal.views.commit', name='commit'), url(r'^users/(?P&lt;user_name&gt;[A-Za-z]+)/$', 'crewcal.views.user', name="user-profile"), url(r'^users/(?P&lt;user_name&gt;\d+)/$', 'crewcal.views.user', name="user-profile"), url(r'^', include('registration.backends.default.urls')), url(r'^register/$', 'RegistrationView', {'form_class':CustomRegistrationForm, 'backend':'registration.backends.default.DefaultBackend' }, name='registration_register'), # For Registration simple, one-step login # url(r'^', include('registration.backends.simple.urls')), url(r'^facebook/', include('django_facebook.urls')), # (r'^$', include('django_facebook.auth_urls')), url(r'^messages/', include('postman.urls')), # url(r'^event/$', views.object_list, {'model': models.Event}), url(r'^accounts/', include('registration.urls')), # url(r'^register/$', register, name='join'), url(r'^login/$', 'django.contrib.auth.views.login'), url(r'^logout/$', logout, {'next_page': '/'}, name='logout'), url(r'^log_in/$', log_in, name='log_in'), </code></pre> <p>Here's the form rendered in the page:</p> <pre><code>&lt;p&gt; &lt;form action="/commit/" method="post" id="event-commit"&gt; &lt;input type="hidden" name="event_id" id="event_id" value="4"&gt; &lt;input type="submit" value="Commit to this event &amp;raquo;" class="btn")"&gt; &lt;div style='display:none'&gt;&lt;input type='hidden' name='csrfmiddlewaretoken' value='XXOqtkkxYQ0zAN1sv3KYxVD8ljhjMpit' /&gt;&lt;/div&gt; &lt;/form&gt; &lt;/p&gt; </code></pre> <p>But the consequent page breaks because the event_id (or anything else) is present in the POST dictionary:</p> <pre><code>Exception Type: ValueError Exception Value: invalid literal for int() with base 10: '' ... request "&lt;WSGIRequest\npath:/commit/,\nGET:&lt;QueryDict: {}&gt;,\nPOST:&lt;QueryDict: {}&gt;,\nCOOKIES: ... </code></pre> <p>This is happening in my Heroku staging environment but not locally. Any ideas? Thanks.</p>
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    1. USKindOfGuy
    1. USKindOfGuy
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      1. VTUpMod
    1. COCould you please show us the code for your view? Did you use django forms?
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      1. USGames Brainiac
    2. COSure. Thanks for your attention.
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      1. USKindOfGuy
    3. COinstead of using `render_to_response` use `render`. Its better. Which version of django are you using btw?
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      1. USGames Brainiac
 

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