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Moving blobstore sample
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Jon Wayne Parrott committed Oct 30, 2015
1 parent fbb6e6f commit dad9326
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Empty file added appengine/blobstore/__init__.py
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8 changes: 8 additions & 0 deletions appengine/blobstore/app.yaml
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runtime: python27
api_version: 1
threadsafe: yes

handlers:
- url: .*
script: main.app
login: required
80 changes: 80 additions & 0 deletions appengine/blobstore/main.py
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# Copyright 2015 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# [START all]
import webapp2

from google.appengine.api import users
from google.appengine.ext import blobstore
from google.appengine.ext import ndb
from google.appengine.ext.webapp import blobstore_handlers


# This datastore model keeps track of which users uploaded which photos.
class UserPhoto(ndb.Model):
user = ndb.StringProperty()
blob_key = ndb.BlobKeyProperty()


class PhotoUploadFormHandler(webapp2.RequestHandler):
def get(self):
# [START upload_url]
upload_url = blobstore.create_upload_url('/upload_photo')
# [END upload_url]
# [START upload_form]
# To upload files to the blobstore, the request method must be "POST"
# and enctype must be set to "multipart/form-data".
self.response.out.write("""
<html><body>
<form action="{0}" method="POST" enctype="multipart/form-data">
Upload File: <input type="file" name="file"><br>
<input type="submit" name="submit" value="Submit">
</form>
</body></html>""".format(upload_url))
# [END upload_form]


# [START upload_handler]
class PhotoUploadHandler(blobstore_handlers.BlobstoreUploadHandler):
def post(self):
try:
upload = self.get_uploads()[0]
user_photo = UserPhoto(
user=users.get_current_user().user_id(),
blob_key=upload.key())
user_photo.put()

self.redirect('/view_photo/%s' % upload.key())

except:
self.error(500)
# [END upload_handler]


# [START download_handler]
class ViewPhotoHandler(blobstore_handlers.BlobstoreDownloadHandler):
def get(self, photo_key):
if not blobstore.get(photo_key):
self.error(404)
else:
self.send_blob(photo_key)
# [END download_handler]


app = webapp2.WSGIApplication([
('/', PhotoUploadFormHandler),
('/upload_photo', PhotoUploadHandler),
('/view_photo/([^/]+)?', ViewPhotoHandler),
], debug=True)
# [END all]
31 changes: 31 additions & 0 deletions appengine/blobstore/main_test.py
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# Copyright 2015 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import tests
import webtest

from . import main


class TestBlobstoreSample(tests.AppEngineTestbedCase):

def setUp(self):
super(TestBlobstoreSample, self).setUp()
self.app = webtest.TestApp(main.app)

def test_form(self):
self.loginUser()
response = self.app.get('/')

self.assertTrue('/_ah/upload' in response)
1 change: 1 addition & 0 deletions tests/utils.py
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Expand Up @@ -88,6 +88,7 @@ def setUp(self):
self.testbed.init_memcache_stub()

# Setup remaining stubs.
self.testbed.init_blobstore_stub()
self.testbed.init_user_stub()
self.testbed.init_taskqueue_stub(root_path='tests/resources')
self.taskqueue_stub = self.testbed.get_stub(
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