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I am having problems configuring a new Windows computer with Google App Engine. The last time I used it with the old computer was more than one year ago and I don't remember if I used the same tools.

Here are the steps I followed:

  • Open a cmd window
  • conda create --name gae-firebase python=2
  • setx CLOUDSDK_PYTHON C:\Anaconda3\envs\gae-firebase\python.exe
  • Close the cmd window
  • Download and run GoogleCloudSDKInstaller.exe (disabling bundled Python). At the end press 1 to reinitialize the existing configuration, press 1 to keep the existing account, press 2 to select an existing project, press N not to configure the compute engine.
  • Open the Google Cloud SDK Shell
  • activate gae-firebase
  • cd \workspace\google
  • git clone https://github.com/GoogleCloudPlatform/python-docs-samples.git
  • cd python-docs-samples\appengine\standard\firebase\firenotes
  • pip install -r backend\requirements.txt -t lib
  • dev_appserver.py frontend/app.yaml backend/app.yaml and Answer yes to install the app-engine-python component.

At the end it says dev_appserver.py: error: too few arguments

It looks like the script doesn't see the yaml file names in the argument list. I tried to uninstall and reinstall many times changing the order of items or changing other things inspired by the answers to similar questions for hours, but this was the closest I got to success.

What am I doing wrong?

stenci
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2 Answers2

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In the latest installation of app engine SKD, there is a README file says:

RUNNING THE SDK
=========================
You can run the SDK with the following command:

dev_appserver.py [options] <application root>

Application root must be the path to the application to run in this server.
Must contain a valid app.yaml or app.yml file.

From what I can see, you didn't provide the <application root>. For example, I can run the demo application by:

python dev_appserver.py demos\python\guestbook
Mzq
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  • This only works for apps with just the default service. For multi-service apps the `.yaml` files for the services and the `dispatch.yaml` file, if the app has one, must be passed as arguments. That's because `dev_appserver.py` has no clue how they're named or where they are (they don't have to be in the same dir, see the example in https://stackoverflow.com/questions/34110178/can-a-default-service-module-in-a-google-app-engine-app-be-a-sibling-of-a-non-de/34111170#34111170) – Dan Cornilescu Sep 14 '17 at 06:51
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Select any .py file press alt + enter(right mouse click -> properties) select change then choose python.exe(application) for opening .py file from install directory and run your file... ;-p

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Sourav Aggarwal
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