Hack: use google-cloud-spanner in a google-app-engine app

README.md

References

• Recent addition breaks library on Google App Engine
• Using gcloud-python on appengine standard

appengine_config.py

from google.appengine.ext import vendor
vendor.add('vendor/libs')

cloud-spanner-consumer.py

import pickle

class DummyProcess(object):
    def start(self, target):
        target()


class DummyProcessing(ModuleType):
    def __init__(self):
        pass

    @staticmethod
    def Process(target):
        return DummyProcess(target)

    @staticmethod
    def Queue():
        return Queue()

sys.modules['multiprocessing'] = DummyProcessing
sys.modules['dill'] = pickle

from google.cloud import spanner

# your google-cloud-spanner consumer code goes here

install-google-cloud-spanner.sh

cd vendor/libs
pip install --upgrade -t . google-cloud google-cloud-core==0.23.0 google-cloud-spanner
cd ../..