Major fixes and new features

venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/uuid.pyx

@@ -0,0 +1,27 @@
+# Copyright (C) 2016-present the asyncpg authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of asyncpg and is released under
+# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0
+
+
+cdef uuid_encode(CodecContext settings, WriteBuffer wbuf, obj):
+    cdef:
+        char buf[16]
+
+    if type(obj) is pg_UUID:
+        wbuf.write_int32(<int32_t>16)
+        wbuf.write_cstr((<UUID>obj)._data, 16)
+    elif cpython.PyUnicode_Check(obj):
+        pg_uuid_bytes_from_str(obj, buf)
+        wbuf.write_int32(<int32_t>16)
+        wbuf.write_cstr(buf, 16)
+    else:
+        bytea_encode(settings, wbuf, obj.bytes)
+
+
+cdef uuid_decode(CodecContext settings, FRBuffer *buf):
+    if buf.len != 16:
+        raise TypeError(
+            f'cannot decode UUID, expected 16 bytes, got {buf.len}')
+    return pg_uuid_from_buf(frb_read_all(buf))