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I am using gae with django. I have an project named MusicSite with following url mapping-
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),
)
There is an application MusicSite inside MusicFun with the following 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)
now whenever a upload a file using /start and click Submit i am taken to a blank page with the following url-
localhost:8000/_ah/upload/ahhnb29nbGUtYXBwLWVuZ2luZS1kamFuZ29yGwsSFV9fQmxvYlVwbG9hZFNlc3Npb25fXxgHDA
These random alphabets keep varying but the result is same. A blank page after every upload. Somebody please help.
The server responses are as below-
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 -
401
asked Sep 10 '26 01:09
Your upload handler is returning a 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.
This is almost certainly because it's throwing an exception; you need to persuade Django to log the exception so that you can see what's going wrong. Alternately, catch it and log it yourself!
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