From: Aarni Koskela <akx@iki.fi>
Date: Fri, 27 Feb 2026 16:38:59 +0000 (+0200)
Subject: perf: speed up Python UUID converters
X-Git-Tag: pool-3.3.1~15
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=a458337f84c8ad66a09d38aa35884754eb429103;p=thirdparty%2Fpsycopg.git

perf: speed up Python UUID converters
---

diff --git a/psycopg/psycopg/types/uuid.py b/psycopg/psycopg/types/uuid.py
index b094937ad..0e59de098 100644
--- a/psycopg/psycopg/types/uuid.py
+++ b/psycopg/psycopg/types/uuid.py
@@ -25,14 +25,14 @@ class UUIDDumper(Dumper):
     oid = _oids.UUID_OID
 
     def dump(self, obj: uuid.UUID) -> Buffer | None:
-        return obj.hex.encode()
+        return b"%032x" % obj.int
 
 
 class UUIDBinaryDumper(UUIDDumper):
     format = Format.BINARY
 
     def dump(self, obj: uuid.UUID) -> Buffer | None:
-        return obj.bytes
+        return obj.int.to_bytes(16, "big")
 
 
 class UUIDLoader(Loader):
@@ -43,18 +43,14 @@ class UUIDLoader(Loader):
             from uuid import UUID
 
     def load(self, data: Buffer) -> uuid.UUID:
-        if isinstance(data, memoryview):
-            data = bytes(data)
-        return UUID(data.decode())
+        return UUID((bytes(data) if isinstance(data, memoryview) else data).decode())
 
 
 class UUIDBinaryLoader(UUIDLoader):
     format = Format.BINARY
 
     def load(self, data: Buffer) -> uuid.UUID:
-        if isinstance(data, memoryview):
-            data = bytes(data)
-        return UUID(bytes=data)
+        return UUID(bytes=(bytes(data) if isinstance(data, memoryview) else data))
 
 
 def register_default_adapters(context: AdaptContext) -> None: