Batch Deletes with Firebase Python Admin SDK

[Teodor Barbieru]

The Firebase Python Admin SDK has a bulk update() method, but you can't use it the same as the bulk deletes in the Javascript Admin SDK, since you cannot have None dict values (SDK validation).

This works in JS:

const parentRef = db.reference('parent/foo/')
const children = parentRef.get()
const updates = {};

Object.keys(children).forEach( childKey => {

  const childEntry = children(childKey)
  if( shouldDelete(childEntry) ) {
    updates[childKey] = null; // setting value to null deletes the key
  }
}
parentRef.update(updates);




I've already written a python script that does my bulk delete, but to my surprise it doesn't work as the JS code as it raises ValueError: Dictionary must not contain None keys or values.

Does this mean I have to migrate my code to use the Node SDK?

[Hiranya Jayathilaka]

I just sent a PR to support this in Python: https://github.com/firebase/firebase-admin-python/pull/162

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Hiranya Jayathilaka | Software Engineer | h...@google.com | 650-203-0128