我正在使用 Django 1.6 和 Django REST Framework。
我有一个非常简单的观点。出于演示目的,我希望它在收到 GET 请求时返回所有用户的电子邮件地址,并在收到 POST 请求时返回所有用户的电子邮件地址。
这是我正在使用的代码:
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import authentication, permissions
from core import models
class ListUsers(APIView):
def get(self, request, format=None):
usernames = [user.email for user in models.User.objects.all()]
return Response(usernames)
def post(self, request):
usernames = [user.email for user in models.User.objects.all()]
return Response(usernames)
当我执行 GET 时,它工作正常,但是当我执行 POST 时,我收到此错误:
未提供异常消息
我无法弄清楚问题是什么,我已经尝试了我能想到的一切,我已经搜索了 Django REST Framework 文档,但找不到任何内容。
非常感谢任何帮助。提前致谢。
更新 根据要求进行堆栈跟踪: 环境:
Request Method: POST
Request URL: http://localdev:1989/api/rest/v1/register
Django Version: 1.6
Python Version: 2.7.3
Installed Applications:
('django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'core',
'apiv1')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware')
Traceback:
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
139. response = response.render()
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/django/template/response.py" in render
105. self.content = self.rendered_content
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/response.py" in rendered_content
59. ret = renderer.render(self.data, media_type, context)
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/renderers.py" in render
577. context = self.get_context(data, accepted_media_type, renderer_context)
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/renderers.py" in get_context
554. 'post_form': self.get_rendered_html_form(view, 'POST', request),
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/renderers.py" in get_rendered_html_form
423. data = request.DATA
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/request.py" in DATA
197. self._load_data_and_files()
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/request.py" in _load_data_and_files
267. self._data, self._files = self._parse()
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/request.py" in _parse
359. parsed = parser.parse(stream, media_type, self.parser_context)
File "/usr/local/virtualenvs/wedding/local/lib/python2.7/site-packages/rest_framework/parsers.py" in parse
63. raise ParseError('JSON parse error - %s' % six.text_type(exc))
Exception Type: ParseError at /api/rest/v1/register
Exception Value:
我发现这是由于提交了错误的 JSON 造成的。例如,如果我有一个额外的逗号。如何使其返回错误消息而不是 500 错误?
更新2 发布数据:
{
"email": "my@email.com",
"full_name": "mark winterbottom",
"password": "2secure4u",
}
最佳答案
如果您想要通用错误页面,您应该能够设置 handler500 url handler在你的urls.py中。我还注意到您不接受 post
方法的 kwarg 格式。您可能想将其添加到其中。
另一种可能性是覆盖 dispatch View 类的方法并捕获异常,la:
class ListUsers(APIView):
def dispatch(self, *args, **kwargs):
try:
return super(ListUsers, self).dispatch(*args, **kwargs)
except ParseError:
pass
# Show an error page
def get(self, request, format=None):
usernames = [user.email for user in models.User.objects.all()]
return Response(usernames)
def post(self, request):
usernames = [user.email for user in models.User.objects.all()]
return Response(usernames)
关于python - 未提供异常消息(Django REST POST),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20438897/