How to Resolve Import Conflicts Between 'appengine' and 'google.golang.org/appengine' in Go?

How to Import the Appengine Package in Go

Importing the appengine package in Go for Google App Engine development can be a tricky process. Initially, you may have used import "appengine/datastore", but now you encounter issues when using third-party libraries that use import "google.golang.org/appengine".

How to Resolve the Conflict

To resolve the conflict between the old and new import paths, you can alias them:

import (
    oldAppengine "appengine"
    "google.golang.org/appengine"
)

This allows you to use both appengine and google.golang.org/appengine in your code.

Is Mixing Import Paths Deprecated?

No, mixing import paths is not deprecated. According to Google's documentation, you can use both sets of packages in parallel while they transition to the new API. However, some services may be cleaned up or not yet available.

What if I Deploy with Unavailable Packages?

If you encounter missing packages during deployment, you will receive errors during the build process. App Engine will not deploy your application if it relies on unavailable packages.

Therefore, it is important to test your application with both the old and new import paths before deploying to App Engine. This will ensure that your code works seamlessly during the transition phase.

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