【问题标题】:'str' object has no attribute 'get'“str”对象没有属性“get”
【发布时间】:2014-04-28 20:39:42
【问题描述】:

我正在 Django 中进行 Braintree 集成。我关注了this guide:

但是,我收到了错误 'str' object has no attribute 'get'。

Views.py

from django.shortcuts import render, render_to_response
from django.http.response import HttpResponse
import braintree
braintree.Configuration.configure(braintree.Environment.Sandbox,
                              "privatekey here",
                              "merchant key here",
                              "public key here")

def form(request):
    return render_to_response('braintree.html')

def create_transaction(request):
    if request.method == 'POST':
        print request.POST.get("number")       
        result = braintree.Transaction.sale({
         "amount": "1000.00",
         "credit_card": {
        "number": request.POST.get("number"),
        "cvv": request.POST.get("cvv"),
        "expiration_month": request.POST.get("month"),
        "expiration_year": request.POST.get("year")
    },
    "options": {
        "submit_for_settlement": True
    }
})

        if result.is_success:
            return "<h1>Success! Transaction ID: {0}</h1>".format(result.transaction.id)
        else:            
            return "<h1>Error: {0}</h1>".format(result.message)
    else:      
        return HttpResponse('no post')

例外是

Environment:


Request Method: POST
Request URL: http://lcoalhost/create_transaction

Django Version: 1.6.2
Python Version: 2.7.5
Installed Applications:
 ('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')


Traceback:
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in   get_response 201.response = middleware_method(request, response)
File "/usr/local/lib/python2.7/dist-packages/django/middleware/clickjacking.py" in process_response 30.  if response.get('X-Frame-Options', None) is not None:

Exception Type: AttributeError at /create_transaction
Exception Value: 'str' object has no attribute 'get'

【问题讨论】:

  • 异常的full回溯是什么?在 Django 错误视图中,单击链接以获取回溯的文本视图。
  • 我在布伦特里工作。如果以下答案不能解决您的问题,您可以随时reach out to our support team 寻求更多帮助。
  • @agf: 如果可能的话,你能给我发一份比官方网站更好的文档吗
  • @user2224250 在这种情况下,问题看起来是由 Django 和 Flask 之间的差异引起的(我们在指南中使用 Flask)——在 Flask 中,您可以从视图中返回字符串;在 Django 中,您需要返回 HTTPResponse 对象。如果您有更多问题,我们的支持团队(可通过我的其他评论中的 URL 访问)应该能够提供帮助。

标签: python django braintree


【解决方案1】:

您将直接从 POST 块内的 create_transaction 返回字符串。您需要将它们包装在 HttpResponse 中。

【讨论】:

  • 我不明白你的评论。您的编辑并未显示您将这些返回字符串包装在 HttpResponse 中。
【解决方案2】:

打开django中间件的clickjacking.py,修改如下代码

first import in what way you have to give response 
like in my case I have to return httpredirect so i import 
from django.http import HttpResponseRedirect
if isinstance(response, str):
        response = HttpResponseRedirect(response)
add this code into process_response of clickjacking.py

【讨论】:

  • 这是个坏建议。
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