From fc85ec02c6a6279cfad7d83d3e90eea1fb04da78 Mon Sep 17 00:00:00 2001
From: BobTheBuidler <70677534+BobTheBuidler@users.noreply.github.com>
Date: Thu, 24 Apr 2025 11:01:59 -0400
Subject: [PATCH 1/2] fix: SytemError in Semaphore init if subclassed in
 extension module

---
 a_sync/primitives/locks/semaphore.pyx | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/a_sync/primitives/locks/semaphore.pyx b/a_sync/primitives/locks/semaphore.pyx
index a707b415..70b2c112 100644
--- a/a_sync/primitives/locks/semaphore.pyx
+++ b/a_sync/primitives/locks/semaphore.pyx
@@ -101,7 +101,16 @@ cdef class Semaphore(_DebugDaemonMixin):
             ) from e.__cause__
             
         # we need a constant to coerce to char*
-        cdef bytes encoded_name = (name or getattr(self, "__origin__", "")).encode("utf-8")
+        cdef bytes encoded_name
+        try:
+            encoded_name = (name or getattr(self, "__origin__", "")).encode("utf-8")
+        except SystemError:
+            if str(e) == "bad argument to internal function":
+                # This can happen if Semaphore is subclassed in an extension module. No problem.
+                encoded_name = b""
+            else:
+                raise
+        
         cdef Py_ssize_t length = len(encoded_name)
 
         # Allocate memory for the char* and add 1 for the null character

From bf1eda9af40a0e877dc669fd14269c5e68497575 Mon Sep 17 00:00:00 2001
From: BobTheBuidler <70677534+BobTheBuidler@users.noreply.github.com>
Date: Thu, 24 Apr 2025 11:07:31 -0400
Subject: [PATCH 2/2] fix: UnboundLocalError

---
 a_sync/primitives/locks/semaphore.pyx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/a_sync/primitives/locks/semaphore.pyx b/a_sync/primitives/locks/semaphore.pyx
index 70b2c112..660bdd7e 100644
--- a/a_sync/primitives/locks/semaphore.pyx
+++ b/a_sync/primitives/locks/semaphore.pyx
@@ -104,9 +104,9 @@ cdef class Semaphore(_DebugDaemonMixin):
         cdef bytes encoded_name
         try:
             encoded_name = (name or getattr(self, "__origin__", "")).encode("utf-8")
-        except SystemError:
+        except SystemError as e:
             if str(e) == "bad argument to internal function":
-                # This can happen if Semaphore is subclassed in an extension module. No problem.
+                # This can happen if Semaphore is subclassed in a mypyc extension module due to conflict with getattr. No problem.
                 encoded_name = b""
             else:
                 raise