berarr

cht/app.py

@@ -1,5 +1,7 @@
 import logging
+import os
 import sys
+import threading
 import gi
 
 gi.require_version("Gtk", "4.0")
@@ -25,14 +27,40 @@ class ChtApp(Adw.Application):
         win.present()
 
 
-def _suppress_egl_warnings(domain, level, message, user_data):
-    if b"eglExportDMABUFImage" in message:
-        return
-    GLib.log_default_handler(domain, level, message, user_data)
+_STDERR_SKIP = [b"eglExportDMABUFImage"]
+
+
+def _filter_stderr():
+    """Redirect fd 2 through a pipe; drop lines matching _STDERR_SKIP."""
+    real_stderr_fd = os.dup(2)
+    real_stderr = os.fdopen(real_stderr_fd, "wb", buffering=0)
+    r_fd, w_fd = os.pipe()
+    os.dup2(w_fd, 2)
+    os.close(w_fd)
+
+    def _pump():
+        with os.fdopen(r_fd, "rb", buffering=0) as pipe:
+            buf = b""
+            while True:
+                chunk = pipe.read(4096)
+                if not chunk:
+                    break
+                buf += chunk
+                while b"\n" in buf:
+                    line, buf = buf.split(b"\n", 1)
+                    if line.strip() and not any(skip in line for skip in _STDERR_SKIP):
+                        real_stderr.write(line + b"\n")
+                        real_stderr.flush()
+            if buf:
+                real_stderr.write(buf)
+                real_stderr.flush()
+
+    t = threading.Thread(target=_pump, daemon=True, name="stderr_filter")
+    t.start()
 
 
 def main():
-    GLib.log_set_handler("Gdk", GLib.LogLevelFlags.LEVEL_WARNING, _suppress_egl_warnings, None)
+    _filter_stderr()
     logging.basicConfig(
         level=logging.DEBUG,
         format="%(asctime)s %(levelname)-7s %(name)s: %(message)s",