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Using service accounts in the appengine development server / SDK

Service accounts make it very easy to authorize appengine requests to other Google APIs and services.

To use a service account in the appengine SDK, you have to add two undocumented options when you run the development server:

Writing to the blostore using the Files API is deprecated. But we can upload a blob to update the blob

This way we do not need GCS (Google Cloud Storage) To use GCS you have to pay for the application

This code is part of a Jinja CMS for Google App Engine Python 2.7 and NDB datastore

A Jinja enviroment is created for every CMS site: site_key_id = 'example

The modules are created using compiler.py The resulting code objects are stored in the dadastore using Kind Runtimes and a BlobProperty

The modules can also be saved / downloaded as .pyc in a zip archive: -compiled-templates.zip

	<script>
	// other imports
	import Upload from "./upload/Upload.svelte";

	// auth stuff
	export let uid;

	// use a dynamic component to be able to stop the component
	let upload_component = Upload;
	// we restart the component after the upload to clear the filename of the <input type="file" ..../>

	<script>
	import { toEur, setFormat } from './use_format.js';

	let num = -5;
	setFormat('currency', {style: 'currency', zero:false});

	function handleClick() {
	num <= 0 ? num +=1 : num-=4;
	}

	<script>
	export let row;
	export let search = '';

	let result = row.text;
	let found = false;

	function searchNow(s) {
	let re = new RegExp(s, 'gi');
	result = row.text.replace(re, `<mark>${s}</mark>`);

	#!/usr/bin/python
	# -- coding: utf-8 --

	from ek_settings import AMAZON_ACCESS_KEY_ID, AMAZON_SECRET_ACCESS_KEY
	from amazon_ses import AmazonSES, EmailMessage
	from google.appengine.api import urlfetch
	from google.appengine.runtime import DeadlineExceededError
	import urllib, logging

	#===============================================================================================================================