Python: Increase recursion limit for deeply nested LST nodes (#6792)

Deeply nested Py.Binary nodes (e.g., 256 implicitly concatenated
strings in asn1crypto/_teletex_codec.py) overflow Python's default
recursion limit (1000) during RPC serialization. Double it to 2000.

Author: knutwannheden

rewrite-python/rewrite/src/rewrite/rpc/server.py

@@ -30,10 +30,15 @@
 import tempfile
 import traceback
 import threading
+
 from pathlib import Path
 from typing import Dict, Any, Optional, List, Callable
 from uuid import uuid4
 
+# Deeply nested LST nodes (e.g., 256 implicitly concatenated strings) can
+# overflow the default recursion limit (1000) during RPC serialization.
+sys.setrecursionlimit(sys.getrecursionlimit() * 2)
+
 # Configure logging - log to file by default to avoid filling stderr buffer
 # (which can cause deadlock if parent process doesn't read stderr)
 _default_log_file = os.path.join(tempfile.gettempdir(), 'python-rpc.log')