Add quad9-merge

utils/quad9-merge.py

@@ -0,0 +1,54 @@
+#! /usr/bin/env python3
+
+# Origin: https://github.com/Quad9DNS/dnscrypt-settings
+
+import sys
+
+
+class Entry:
+    name = None
+    description = None
+    stamps = None
+
+    def __init__(self, name, description, stamps):
+        self.name = name
+        self.description = description
+        self.stamps = stamps
+
+
+servers = {}
+
+with sys.stdin as f:
+    while True:
+        head = f.readline()
+        if head == "":
+            break
+        parts = head.strip().split("## ")
+        name = parts[1].strip()
+        description = f.readline().strip()
+        stamp = f.readline().strip()
+        f.readline()
+        server = Entry(name, description, [stamp])
+        servers[name] = server
+
+servers2 = {}
+
+for name in servers:
+    server = servers[name]
+    parts = name.split("-")
+    base_name = "-".join(parts[:-1])
+    ext = parts[-1]
+    if ext != "pri":
+        continue
+    description = server.description
+    stamps = server.stamps
+    for extz in ["alt", "alt1", "alt2", "alt3", "alt4"]:
+        alt_name = base_name + "-" + extz
+        if alt_name in servers:
+            alt_ip = servers[alt_name].description.split(" ")[-1]
+            description += " - " + alt_ip
+            stamps += servers[alt_name].stamps
+    print("## " + name)
+    print(description)
+    print("\n".join(stamps))
+    print()