Moving blobstore sample

GoogleCloudPlatform · Oct 30, 2015 · b3df05c · b3df05c
1 parent fbb6e6f
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diff --git a/appengine/blobstore/__init__.py b/appengine/blobstore/__init__.py
diff --git a/appengine/blobstore/app.yaml b/appengine/blobstore/app.yaml
@@ -0,0 +1,8 @@
+runtime: python27
+api_version: 1
+threadsafe: yes
+
+handlers:
+- url: .*
+  script: main.app
+  login: required
diff --git a/appengine/blobstore/main.py b/appengine/blobstore/main.py
@@ -0,0 +1,79 @@
+# 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]
+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
+import webapp2
+
+
+# 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]
diff --git a/appengine/blobstore/main_test.py b/appengine/blobstore/main_test.py
@@ -0,0 +1,31 @@
+# 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)
diff --git a/tests/utils.py b/tests/utils.py
@@ -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(