Django：即使添加{％csrf_token％}后，CSRF验证失败

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问题描述

views.py：

def index(request):
    return render_to_response('index.html', {})

def photos(request, artist):
    if not artist:
        return render_to_response('photos.html', {'error' : 'no artist supplied'})
    photos = get_photos_for_artist(artist)
    if not photos:
        logging.error('Issue while getting photos for artist')
        return render_to_response('photos.html', {'error': 'no matching artist found'})
    return render_to_response('photos.html', {'photos': photos})

Index.html：

<html>
    <head>
        <title>find artist photos </title>
    </head>
    <body>
        {% block error %} {% endblock %}
        <form action="/photos" method="POST">
            {% csrf_token %}
            <label for="artist">Artist : </label>
            <input type="text" name="artist">
            <input type="submit" value="Search">
        </form>
        {% block content %}{% endblock %}
    </body>
</html>

photos.html

{% extends 'index.html' %}
{% block error %}
    {% if error %}
        <p> {{ error}} </p>
    {% endif %}
{% endblock %}

{% block content %}
    {% if photos %}
        {% for photo in photos %}
            {{ photo }}
        {% endfor %}
    {% endif %}
{% endblock%}

url.py：

urlpatterns = patterns('',
    (r'', index),
    (r'^time/$', current_datetime),
    (r'^photos/(\w+)$', photos)
)

我甚至尝试添加 {％csrf_token％} ，但没有运气

I even tried by adding {% csrf_token %}, but no luck

谢谢

更新

我在日志中看到这些

UPDATE
I see these in the logs

UserWarning: A {% csrf_token %} was used in a template, but the context did not provide the value.  This is usually caused by not using RequestContext.
  warnings.warn("A {% csrf_token %} was used in a template, but the context did not provide the value.  This is usually caused by not using RequestContext.")

将 context_instance = RequestContext（request） **添加到render_to_response（）**

This came after adding context_instance=RequestContext(request) **to render_to_response()**

即使添加

Django：即使添加{％csrf_token％}后，CSRF验证失败

问题描述

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