试图允许用户编辑自己的文章 - Django

Question

我正在尝试使它能够使用户可以编辑他们创建的文章。我觉得我已经很接近了，但无法完全弥合我所做的事情和我需要做的事情之间的差距。

文章详情页面上的模板：

{% if request.user == article.author %}
<p>
<a href="{% url 'articles:edit_article' %}"
Edit article
</a>
</p>
{% endif %}

这似乎工作正常。

urls.py：

url(r'^(?P<slug>[w-]+)/$', views.article_detail, name="detail"),
url(r'^(?P<slug>[w-]+)/edit/$', views.edit_article, name="edit_article"),

views.py：

def edit_article(request):
if request.method == 'POST':
form = forms.EditArticle(request.POST, slug=request.slug)
if form.is_valid():
form.save()
return redirect('articles:list')
else:
form = forms.EditArticle(slug=request.slug)
args = {'form': form}
return render(request, 'articles/edit_article.html', args)

forms.py

class EditArticle(forms.ModelForm):
class Meta:
model = models.Article
fields = (
'title',
'body',
'slug',
'thumb'
)

edit_article.html：

{% extends 'base_layout.html' %}
{% block content %}
<h1>Edit Article {{ article.title }}</h1>
<div class="profile">
<form method="post">
{% csrf_token %}
{{ form.as_p }}
<button type="submit">Update Profile</button>
</form>
</div>
{% endblock %}

以下是回溯：

Traceback:
File "C:Python27libsite-packagesdjangocorehandlersexception.py" in inner
41.             response = get_response(request)
File "C:Python27libsite-packagesdjangocorehandlersbase.py" in _get_response
187.                 response = self.process_exception_by_middleware(e, request)
File "C:Python27libsite-packagesdjangocorehandlersbase.py" in _get_response
185.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:Users.........articlesviews.py" in article_detail
18.     return render(request, "articles/article_detail.html", {'article':article})
File "C:Python27libsite-packagesdjangoshortcuts.py" in render
30.     content = loader.render_to_string(template_name, context, request, using=using)
File "C:Python27libsite-packagesdjangotemplateloader.py" in render_to_string
68.     return template.render(context, request)
File "C:Python27libsite-packagesdjangotemplatebackendsdjango.py" in render
66.             return self.template.render(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render
207.                     return self._render(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in _render
199.         return self.nodelist.render(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render
990.                 bit = node.render_annotated(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render_annotated
957.             return self.render(context)
File "C:Python27libsite-packagesdjangotemplateloader_tags.py" in render
177.             return compiled_parent._render(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in _render
199.         return self.nodelist.render(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render
990.                 bit = node.render_annotated(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render_annotated
957.             return self.render(context)
File "C:Python27libsite-packagesdjangotemplateloader_tags.py" in render
72.                 result = block.nodelist.render(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render
990.                 bit = node.render_annotated(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render_annotated
957.             return self.render(context)
File "C:Python27libsite-packagesdjangotemplatedefaulttags.py" in render
322.                 return nodelist.render(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render
990.                 bit = node.render_annotated(context)
File "C:Python27libsite-packagesdjangotemplatebase.py" in render_annotated
957.             return self.render(context)
File "C:Python27libsite-packagesdjangotemplatedefaulttags.py" in render
458.             url = reverse(view_name, args=args, kwargs=kwargs, current_app=current_app)
File "C:Python27libsite-packagesdjangourlsbase.py" in reverse
91.     return force_text(iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs)))
File "C:Python27libsite-packagesdjangourlsresolvers.py" in _reverse_with_prefix
497.         raise NoReverseMatch(msg)
Exception Type: NoReverseMatch at /articles/testing-1212/
Exception Value: Reverse for 'edit_article' with no arguments not found. 1 pattern(s) tried: [u'articles/(?P<slug>[\w-]+)/edit/$']

我猜问题出在蛞蝓的视野中。我试图基于我编辑用户配置文件的工作视图，所以我猜我在翻译中丢失了一些东西。我觉得这只是工作中的一两个调整。有什么想法吗？

Answer 1

你应该有：

{% if request.user == article.author %}
<p>
<a href="{% url 'articles:edit_article' article.slug %}"
Edit article
</a>
</p>
{% endif %}

您的观点

def edit_article(request,slug):
article = Article.objects.get(slug=slug) # Better to use get_object_or_404 from django.http
if request.method == 'POST':
form = forms.EditArticle(request.POST, instance=article)
if form.is_valid():
form.save()
return redirect('articles:list')
else:
form = forms.EditArticle(instance=article)
args = {'form': form}
return render(request, 'articles/edit_article.html', args)