Mar 30, 2020 If you want to delete the current Instance ID and immediately use Firebase services with a new, independent ID, use one of the Client APIs above to handle the deletion. Disable Instance ID generation Services that use Instance IDs automatically generate a new ID when they're initialized in an app that doesn't currently have one. If you would like to have a special key for use in a server, then you can generate one by navigating to the firebase console for your project, selecting the gear in the top left hand corner and selecting project settings. Then select service accounts at the top. Then select Firebase Admin SDK and then generate new private key. Hope this helps!
Released:
Python interface to the Google's Firebase REST APIs
Python interface to the Google's Firebase REST APIs
Firebase was written for python 3 and above and will not work correctly with python 2.
Your Google's Firebase configuration data can be found on Firebase > Settings > Project Settings Scroll to bottom > Add to web app > config
For use with only user based authentication we can create the following configuration:
You can optionally add a service account credential to ourconfiguration that will allow your server to authenticate with Firebase as an admin and disregard any security rules.
Adding a service account will authenticate as an admin by default for all database queries, check out theAuthentication documentation for how to authenticate users.
A firebase app can use multiple Firebase services.
firebase.auth()
- Authentication
firebase.database()
- Database
firebase.storage()
- Storage
Check out the documentation for each service for further details.
The sign_in_with_email_and_password()
method will return user data including a token you can use to adhere to security rules.
Each of the following methods accepts a user token: get()
, push()
, set()
, update()
, remove()
and stream()
.
A user's idToken expires after 1 hour, so be sure to use the user's refreshToken to avoid stale tokens.
You can also create users using custom tokens, for example:
You can also pass in additional claims.
You can then send these tokens to the client to sign in, or sign in as the user on the server.
Note: Make sure you have the Email/password provider enabled in your Firebase dashboard under Auth -> Sign In Method.
You can build paths to your data by using the child()
method.
To save data with a unique, auto-generated, timestamp-based key, use the push()
method.
To create your own keys use the set()
method. The key in the example below is 'Joe'.
To update data for an existing entry use the update()
method.
To delete data for an existing entry use the remove()
method.
You can also perform multi-location updates with the update()
method.
To perform multi-location writes to new locations we can use the generate_key()
method.
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Queries return a FirebaseResponse object. Calling val()
on these objects returns the query data.
Calling key()
returns the key for the query data.
Returns a list of objects on each of which you can call val()
and key()
.
To return data from a path simply call the get()
method.
To return just the keys at a particular path use the shallow()
method.
Note: shallow()
can not be used in conjunction with any complex queries.
You can listen to live changes to your data with the stream()
method.
You should at least handle put
and patch
events. Refer to 'Streaming from the REST API' for details.
You can also add a stream_id
to help you identify a stream if you have multiple running:
Queries can be built by chaining multiple query parameters together.
This query will return the first three users ordered by name.
We begin any complex query with order_by_child()
.
This query will return users ordered by name.
Return data with a specific value.
This query will return users with a score of 10.
Specify a range in your data.
This query returns users ordered by score and with a score between 3 and 10.
Limits data returned.
This query returns the first five users ordered by score.
When using order_by_key()
to sort your data, data is returned in ascending order by key.
When using order_by_value()
, children are ordered by their value.
The storage service allows you to upload images to Firebase.
Just like with the Database service, you can build paths to your data with the Storage service.
The put method takes the path to the local file and an optional user token.
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The download method takes the path to the saved database file and the name you want the downloaded file to have.
The get_url method takes the path to the saved database file and returns the storage url.
db.generate_key()
is an implementation of Firebase's key generation algorithm.
See multi-location updates for a potential use case.
Sometimes we might want to sort our data multiple times. For example, we might want to retrieve all articles written between acertain date then sort those articles based on the number of likes.
Currently the REST API only allows us to sort our data once, so the sort()
method bridges this gap.
Indexing is not enabled for the database reference.
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