google_cloud_firestore_quickstart_add_and_retrieve_documents.py

1from google.cloud import firestore
2
3def quickstart_firestore():
4    # Initialize the Firestore client.
5    # The project ID is retrieved from the GOOGLE_APPLICATION_CREDENTIALS environment variable
6    # or from the environment where the script is running.
7    db = firestore.Client()
8
9    # Create a reference to a document in a collection called 'users'
10    doc_ref = db.collection("users").document("alovelace")
11
12    # Set data for the document
13    doc_ref.set({
14        "first": "Ada",
15        "last": "Lovelace",
16        "born": 1815
17    })
18
19    # Add another document to the 'users' collection
20    doc_ref = db.collection("users").document("aturing")
21    doc_ref.set({
22        "first": "Alan",
23        "middle": "Mathison",
24        "last": "Turing",
25        "born": 1912
26    })
27
28    # Read and print all documents from the 'users' collection
29    users_ref = db.collection("users")
30    docs = users_ref.stream()
31
32    print("Retrieved documents from the 'users' collection:")
33    for doc in docs:
34        print(f"{doc.id} => {doc.to_dict()}")
35
36if __name__ == "__main__":
37    quickstart_firestore()