From 637a77a3a448cc091af172dbdc3f7b5fafcde000 Mon Sep 17 00:00:00 2001
From: Jakub Kuczys <6032823+jack1142@users.noreply.github.com>
Date: Sat, 6 Aug 2022 23:44:31 +0200
Subject: [PATCH] Activate debug mode when `-X dev` is used

---
 uvloop/includes/stdlib.pxi | 1 +
 uvloop/loop.pyx            | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/uvloop/includes/stdlib.pxi b/uvloop/includes/stdlib.pxi
index 3c27687f..a5ef7954 100644
--- a/uvloop/includes/stdlib.pxi
+++ b/uvloop/includes/stdlib.pxi
@@ -116,6 +116,7 @@ cdef os_fspath = os.fspath
 cdef stat_S_ISSOCK = stat.S_ISSOCK
 
 cdef sys_ignore_environment = sys.flags.ignore_environment
+cdef sys_dev_mode = sys.flags.dev_mode
 cdef sys_exc_info = sys.exc_info
 cdef sys_set_coroutine_wrapper = getattr(sys, 'set_coroutine_wrapper', None)
 cdef sys_get_coroutine_wrapper = getattr(sys, 'get_coroutine_wrapper', None)
diff --git a/uvloop/loop.pyx b/uvloop/loop.pyx
index 86141cb1..05f9f0ed 100644
--- a/uvloop/loop.pyx
+++ b/uvloop/loop.pyx
@@ -223,8 +223,9 @@ cdef class Loop:
         return main_thread_id == PyThread_get_thread_ident()
 
     def __init__(self):
-        self.set_debug((not sys_ignore_environment
-                        and bool(os_environ.get('PYTHONASYNCIODEBUG'))))
+        self.set_debug(
+            sys_dev_mode or (not sys_ignore_environment
+                             and bool(os_environ.get('PYTHONASYNCIODEBUG'))))
 
     def __dealloc__(self):
         if self._running == 1: