Fix pydocstyle violations in receive_binary.py

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Bucknalla

examples/binary-mode/upload/receive_binary.py

@@ -1,9 +1,8 @@
 #!/usr/bin/env python3
-"""
-receive_binary.py
+"""Minimal HTTP server that receives binary files routed from Notehub.
 
-A minimal HTTP server that receives binary files routed from Notehub
-via a General HTTP/HTTPS route and saves them to the current directory.
+Receives binary files via a General HTTP/HTTPS route and saves them to
+the current directory.
 
 Usage:
     python3 receive_binary.py [port]
@@ -76,10 +75,7 @@ def infer_extension(data: bytes) -> str:
 
 
 def make_filename(label: str, data: bytes) -> str:
-    """
-    Use the Notecard's label if provided, otherwise generate a timestamped
-    filename with an inferred extension.
-    """
+    """Return the label if provided, or a timestamped filename."""
     if label:
         return label
     ext = infer_extension(data)
@@ -88,7 +84,10 @@ def make_filename(label: str, data: bytes) -> str:
 
 
 class BinaryReceiveHandler(BaseHTTPRequestHandler):
+    """Handle incoming binary POST requests from Notehub."""
+
     def do_POST(self):
+        """Receive a binary file and save it to disk."""
         # Read body, handling both Content-Length and chunked encoding
         content_length = self.headers.get("Content-Length")
         transfer_encoding = self.headers.get("Transfer-Encoding", "")
@@ -125,11 +124,12 @@ def _respond(self, code: int, message: str):
         self.wfile.write(message.encode())
 
     def log_message(self, format, *args):
-        # Suppress default request logging — we handle it ourselves
+        """Suppress default request logging."""
         pass
 
 
 def main():
+    """Start the binary receive server."""
     port = int(sys.argv[1]) if len(sys.argv) > 1 else DEFAULT_PORT
     server = HTTPServer(("", port), BinaryReceiveHandler)
     print(f"Listening on port {port}. Saving files to: {os.getcwd()}")