python - Get the current user from BlobstoreUploadHandler -

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i want current user blobstoreuploadhandler. i'm using endpoints web application, (outside of endpoints) built /uploadurl upload files blobstore.

the image uploads correctly. so, need link image uploaded user, users.get_current_user() returns none. on frontend side user logged using oauth2. idea issue?

if use endpoints.get_current_user() raise error:

no valid endpoints user in environment

this code:

class uploadhandler(blobstore_handlers.blobstoreuploadhandler):     def post(self):         upload_files = self.get_file_infos()         file_info = upload_files[0]          gcs_filename = file_info.gs_object_name         file_key = blobstore.create_gs_key(gcs_filename)          file(file=gcs_filename, owner=users.get_current_user() ).put()

each app requires own login, , every class needs have users imported , declared if want use user class in code.

from google.appengine.api import users import webapp2

class myhandler(webapp2.requesthandler):     def get(self):         user = users.get_current_user()         if user:             greeting = ('welcome, %s! (<a href="%s">sign out</a>)' %                         (user.nickname(), users.create_logout_url('/')))         else:             greeting = ('<a href="%s">sign in or register</a>.' %                         users.create_login_url('/'))          self.response.out.write('<html><body>%s</body></html>' % greeting)

for more details please see article - https://cloud.google.com/appengine/docs/python/users/


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