google-cloud-datastore

I have a Model UnitPattern, which reference another Model UnitPatternSet e.g. class UnitPattern(db.Model): unit_pattern_set = db.ReferenceProperty(UnitPatternSet) in my view I want to display all UnitPatterns having unit_pattern_set refrences as None, but query UnitPattern.all().filter("unit_pattern_set =", None) returns nothing, though I have total 5 UnitPatterns, out of which 2 have 'unit_pattern_set' set and 3 doesn't have e.g. print 'Total',UnitPattern.all().count() print 'ref set',UnitPattern.all().filter("unit_pattern_set !=", None).count() print 'ref not set',UnitPattern.all().filter(

My app is running on App Engine, but I would like to access its NDB DataStore entities from my Compute Engine VM to do some processing and write the results back to the App Engine DataStore. How can I do that? Also, are the Google Cloud DataStore and App Engine DataStore the same thing? https://developers.google.com/datastore/ https://developers.google.com/appengine/docs/python/ndb/ Dmytro Sadovnychyi David's solution requires you to use App Engine instance time to make requests, but you can bypass it and make requests directly to Datastore from Compute Engine instance. There is a pretty good

As a Python programmer, I like my code to be reusable, I'm trying to avoid kind name conflicts in my code (where two different models share the same kind name). Currently I just prepend some meaningful text to the model's class name, but this is awfully unpythonic. Being able to explicitly set the model's kind will solve my problem, but I can't find out how to do this, does anyone know how? Just override the kind() method of your class: class MyModel(db.Model): @classmethod def kind(cls): return 'prefix_%s' % super(MyModel, cls).kind() You can define a custom baseclass that does this for you:

I have followed all the instructions: 1) I downloaded it like this: appcfg.py download_data -A s~myApp --url=https://myApp.appspot.com/_ah/remote_api/ --filename=data.csv Note that according to this solution I have to append s~ to the app name, or I get the error message: google.appengine.api.datastore_errors.BadRequestError: app s~myApp cannot access app myApp's data 2) I have to add remote_api access to my app.yaml - url: /remote_api script: google.appengine.ext.remote_api.handler.application login: admin 3) I have to run the local server and go to http://localhost:8080/remote_api . In there

I'm trying to upload multiple files in a form to the BlobStore. Form: <form action="{{upload_url}}" method="POST" enctype="multipart/form-data"> <label>Key Name</label><input type="text" name="key_name" size="50"><br/> <label>name</label><input type="text" name="name" size="50"><br/> <label>image</label><input type="file" name="image" size="50"><br/> <label>thumb</label><input type="file" name="thumb" size="50"><br/> <input type="submit" name="submit" value="Submit"> </form> I'm then trying to fetch the BlobInfo objects for each of those files uploaded: def post(self): image_upload_files =

My current workflow in BigQuery is as follows: (1) query data in a public repository (stored in the US), (2) write it to a table in my repository, (3) export a csv to a cloud bucket and (4) download the csv on the server I work on and (5) work with that on the server. The problem I have now, is that the server I work on is located in EU. Thus, I have to pay quite some fees for transfering data between my US bucket and my EU server. I could now go ahead and locate my bucket in EU, but then I still have the problem that I would transfer data from the US (BigQuery) to EU (bucket). So I could also