Add docstrings and improve formatting in server.py

server.py

@@ -1,3 +1,4 @@
+"""Flask server for license activation and verification."""
 from datetime import datetime
 import os
 import uuid
@@ -12,19 +13,26 @@ app = Flask(__name__)
 PENDING_ACTIVATIONS = {}
 
 def _b64url_encode(data: bytes) -> str:
+    """Base64 URL-safe encode data."""
     return base64.urlsafe_b64encode(data).decode("ascii").rstrip("=")
 
 
 def _make_jwt_like(payload: dict) -> str:
+    """Create a JWT-like token."""
     header = {"alg": "HS256", "typ": "JWT"}
-	header_b64 = _b64url_encode(json.dumps(header, separators=(",", ":"), ensure_ascii=False).encode("utf-8"))
+    header_json = json.dumps(header, separators=(",", ":"),
-	payload_b64 = _b64url_encode(json.dumps(payload, separators=(",", ":"), ensure_ascii=False).encode("utf-8"))
+                             ensure_ascii=False).encode("utf-8")
+    header_b64 = _b64url_encode(header_json)
+    payload_json = json.dumps(payload, separators=(",", ":"),
+                              ensure_ascii=False).encode("utf-8")
+    payload_b64 = _b64url_encode(payload_json)
     signature_b64 = _b64url_encode(b"signature")
     return f"{header_b64}.{payload_b64}.{signature_b64}"
 
 
 @app.route("/api/v1/license/activate", methods=["POST"])
 def activate_license():
+    """Handle license activation request."""
     payload = request.get_json(silent=True) or {}
     print("Received activation request:", payload)
 
@@ -61,8 +69,10 @@ def activate_license():
 
 @app.route("/api/v1/license/activate/<activation_id>", methods=["POST"])
 def verify_activation_otp(activation_id: str):
+    """Verify activation OTP and return license token."""
     payload = request.get_json(silent=True) or {}
-	print("Received OTP verification:", {"activationId": activation_id, **payload})
+    print("Received OTP verification:",
+          {"activationId": activation_id, **payload})
 
     pending = PENDING_ACTIVATIONS.get(activation_id)
     if not pending:
@@ -75,7 +85,8 @@ def verify_activation_otp(activation_id: str):
         "deviceId": pending.get("deviceId"),
         "deviceName": pending.get("deviceName"),
         "licenseServerUrl": pending.get("licenseServerUrl"),
-		"plan": "ULTIMATE_EDITION", # ["PRO_EDITION","GOLDEN_EDITION","ULTIMATE_EDITION"]
+        # ["PRO_EDITION","GOLDEN_EDITION","ULTIMATE_EDITION"]
+        "plan": "ULTIMATE_EDITION",
         "type": "personal",
         "createdAt": pending.get("activatedAt"),
         "updatedAt": now_iso,
@@ -92,6 +103,7 @@ def verify_activation_otp(activation_id: str):
 
 @app.route("/api/v1/license/verify", methods=["POST"])
 def verify_license():
+    """Verify license token."""
     payload = request.get_json(silent=True) or {}
     print("Received license verification:", payload)
 
@@ -106,6 +118,7 @@ def verify_license():
 
 
 def create_app():
+    """Create and return Flask app."""
     return app