使用Django在Google应用程序引擎中上传文件
问题描述:
我正在使用gae和django。 我有一个名为MusicSite的项目有以下网址mapping-使用Django在Google应用程序引擎中上传文件
urls.py
from django.conf.urls.defaults import *
from MusicSite.views import MainHandler
from MusicSite.views import UploadHandler
from MusicSite.views import ServeHandler
urlpatterns = patterns('',(r'^start/', MainHandler),
(r'^upload/', UploadHandler),
(r'^/serve/([^/]+)?', ServeHandler),
)
里面有MusicFun应用MusicSite具有以下 codes-
views.py
import os
import urllib
from google.appengine.ext import blobstore
from google.appengine.ext import webapp
from google.appengine.ext.webapp import blobstore_handlers
from google.appengine.ext.webapp import template
from google.appengine.ext.webapp.util import run_wsgi_app
def MainHandler(request):
response=HttpResponse()
upload_url = blobstore.create_upload_url('http://localhost:
8000/upload/')
response.write('<html><body>')
response.write('<form action="%s" method="POST"
enctype="multipart/form-data">' % upload_url)
response.write("""Upload File: <input type="file"
name="file"><br> <input type="submit"
name="submit" value="Submit"> </form></body></html>""")
return HttpResponse(response)
def UploadHandler(request):
upload_files=request.FILES['file']
blob_info = upload_files[0]
response.redirect('http://localhost:8000/serve/%s' %
blob_info.key())
class ServeHandler(blobstore_handlers.BlobstoreDownloadHandler):
def get(self, resource):
resource = str(urllib.unquote(resource))
blob_info = blobstore.BlobInfo.get(resource)
self.send_blob(blob_info)
现在只要上传使用文件/启动和 点击提交我带到以下url的空白页面 -
localhost:8000/_ah/upload/ahhnb29nbGUtYXBwLWVuZ2luZS1kamFuZ29yGwsSFV9fQmxvYlVwbG9hZFNlc3Npb25fXxgHDA
这些rando m字母保持不变,但结果相同。每次上传后都有空白页 。 有人请帮忙。
服务器的响应是因为如下─
INFO:root:"GET /start/ HTTP/1.1" 200 -
INFO:root:"GET /favicon.ico HTTP/1.1" 404 -
INFO:root:Internal redirection to http://localhost:8000/upload/
INFO:root:Upload handler returned 500
ERROR:root:Invalid upload handler response. Only 301, 302 and 303
statuses are permitted and it may not have a content body.
INFO:root:"POST /_ah/upload/
ahhnb29nbGUtYXBwLWVuZ2luZS1kamFuZ29yGwsSFV9fQmxvYlVwbG9hZFNlc3Npb25fXxgCDA
HTTP/1.1" 500 -
INFO:root:"GET /favicon.ico HTTP/1.1" 404 -
答
您的上传处理程序返回一个500:
INFO:root:Upload handler returned 500
ERROR:root:Invalid upload handler response. Only 301, 302 and 303 statuses are permitted and it may not have a content body.
这是几乎可以肯定,因为它是抛出一个异常;你需要说服Django记录这个异常,以便你可以看到发生了什么问题。或者,抓住它并自己登录!