From 9f75543029336a7e506badd3b30cfcdfa0e44598 Mon Sep 17 00:00:00 2001
From: xuhaidong <haidong.xu@shanbay.com>
Date: Thu, 6 Jun 2024 17:54:47 +0800
Subject: [PATCH] feat: guarantee extension order

---
 sea/app.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/sea/app.py b/sea/app.py
index c7231e2..c1065b7 100644
--- a/sea/app.py
+++ b/sea/app.py
@@ -137,7 +137,15 @@ def load_extensions_in_module(self, module):
         def is_ext(ins):
             return not inspect.isclass(ins) and hasattr(ins, "init_app")
 
-        for n, ext in inspect.getmembers(module, is_ext):
+        # guarantee the order of extension initialization by load_order attribute
+        def sort_ext(member):
+            _, ext = member
+            DEFAULT_LOWER_ORDER = 10
+            return getattr(ext, "load_order", DEFAULT_LOWER_ORDER)
+
+        for n, ext in sorted(
+            inspect.getmembers(module, is_ext), sort_ext
+        ):
             self._register_extension(n, ext)
         return self.extensions