google_cloud_firestore_quickstart_add_and_read_documents.py

1import google.auth
2from google.cloud import firestore
3
4# The `project` parameter is optional and can be omitted if the
5# GOOGLE_CLOUD_PROJECT environment variable is set.
6db = firestore.Client(project="your-project-id")
7
8# Add data to a new document
9doc_ref = db.collection("users").document("alovelace")
10doc_ref.set({
11    "first": "Ada",
12    "last": "Lovelace",
13    "born": 1815
14})
15
16# Add another document
17doc_ref = db.collection("users").document("aturing")
18doc_ref.set({
19    "first": "Alan",
20    "middle": "Mathison",
21    "last": "Turing",
22    "born": 1912
23})
24
25# Read data back
26users_ref = db.collection("users")
27docs = users_ref.stream()
28
29for doc in docs:
30    print(f"{doc.id} => {doc.to_dict()}")