script for easy adding of new subnets

scripts/update-subnet-topic-map.py

@@ -0,0 +1,43 @@
+import subprocess
+import urllib.request
+import json
+import pathlib
+
+def get_root() -> str:
+    output = subprocess.run(["git", "rev-parse", "--show-toplevel"], check=True, text=True, stdout=subprocess.PIPE)
+    return output.stdout.strip()
+
+def get_subnets_data() -> dict:
+    req = urllib.request.Request(url='https://ic-api.internetcomputer.org/api/v3/subnets?format=json', headers={
+        "user-agent": "python"
+    })
+
+    subnets = {}
+    with urllib.request.urlopen(req, timeout=30) as response:
+        subnets_data = json.loads(response.read().decode())["subnets"]
+        for subnet in subnets_data:
+            subnets[subnet["subnet_id"]] = {
+                "topic_id": 0,
+                "slug": ""
+            }
+
+    return subnets
+
+def fetch_existing_data(path) -> dict:
+    with open(path, "r") as f:
+        return json.load(f)
+
+if __name__ == "__main__":
+    root = pathlib.Path(get_root())
+    all_subnets = get_subnets_data()
+    subnet_topic_file = root / "rs" / "cli" / "src" / "assets" / "subnet_topic_map.json"
+    existing_subnets = fetch_existing_data(subnet_topic_file)
+    for subnet in all_subnets:
+        if subnet in existing_subnets:
+            print(f"Subnet '{subnet}' already present")
+            continue
+
+        existing_subnets[subnet] = all_subnets[subnet]
+
+    with open(subnet_topic_file, "w+") as f:
+        json.dump(existing_subnets, f, indent=4)