From 43fac17d75c14803e854cf6e1aa64e10ef14e1c8 Mon Sep 17 00:00:00 2001
From: Markus Rosenstihl <markus.rosenstihl@pkm.tu-darmstadt.de>
Date: Thu, 22 Jan 2026 08:38:16 +0100
Subject: [PATCH] fixes, DAMARIS3 runs now on Debian 13 trixie

---
 setup.py                |  2 +-
 src/data/DataPool.py    |  9 ++++++++-
 src/gui/DamarisGUI.py   | 22 +++++++++++++---------
 src/tools/goniometer.py |  2 +-
 4 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/setup.py b/setup.py
index 927eef5..5bf5b59 100644
--- a/setup.py
+++ b/setup.py
@@ -98,7 +98,7 @@ setup (
     author = 'Achim Gaedke',
     author_email = 'Achim.Gaedke@physik.tu-darmstadt.de',
     maintainer = 'Achim Gaedke',
-    maintainer_email = 'Achim.Gaedke@physik.tu-darmstadt.de',
+    maintainer_email = 'markus.rosenstihl@pkm.tu-darmstadt.de',
     url = 'http://www.fkp.physik.tu-darmstadt.de/damaris/',
     license = GPL_LICENCE,
     platforms = ['Any',],
diff --git a/src/data/DataPool.py b/src/data/DataPool.py
index ff14e48..319bd0f 100644
--- a/src/data/DataPool.py
+++ b/src/data/DataPool.py
@@ -8,11 +8,18 @@ import collections
 import threading
 import traceback
 import io
+if sys.version_info.major == 3 and sys.version_info.minor >= 10:
+
+    from collections.abc import MutableMapping
+else:
+    from collections import MutableMapping
+
+
 from . import ADC_Result
 from . import Accumulation
 from . import MeasurementResult
 
-class DataPool(collections.MutableMapping):
+class DataPool(MutableMapping):
     """
     dictionary with sending change events
     """
diff --git a/src/gui/DamarisGUI.py b/src/gui/DamarisGUI.py
index c55c0d1..b0b8dd6 100644
--- a/src/gui/DamarisGUI.py
+++ b/src/gui/DamarisGUI.py
@@ -24,8 +24,9 @@ gi.require_version('GtkSource', '3.0')
 # gui graphics
 from gi.repository import GObject as gobject
 import sqlite3,uuid
+from pkg_resources import parse_version
 
-gobject.threads_init( )
+#gobject.threads_init( )
 from gi.repository import Gtk as gtk
 
 gtk_version_missmatch = gtk.check_version( 3, 0, 0 )
@@ -34,7 +35,7 @@ if gtk_version_missmatch:
 
 from gi.repository import Gdk as gdk
 
-gdk.threads_init( )
+#gdk.threads_init( )
 
 #import gtk.glade
 
@@ -65,7 +66,7 @@ import matplotlib.figure
 #for printing issues
 if hasattr( gtk, "PrintOperation" ):
     import matplotlib.backends.backend_cairo
-
+print('backend:', matplotlib.get_backend())   # must print GTK3Agg
 # import our own stuff
 from damaris.gui import ExperimentWriter, ExperimentHandling
 from damaris.gui import ResultReader, ResultHandling
@@ -178,7 +179,7 @@ class DamarisGUI:
         # my notebook
         self.main_notebook = self.xml_gui.get_object( "main_notebook" )
 
-        self.log = LogWindow( self.xml_gui , self)
+        self.log = LogWindow( self.xml_gui, self )
 
         self.sw = ScriptWidgets( self.xml_gui )
 
@@ -192,7 +193,7 @@ class DamarisGUI:
         # lock file to prevent other DAMARIS to start immediatly
         self.lockfile = LockFile()  # = os.path.expanduser("~/.damaris.lock")
         self.id = None
-        
+
         #to stop queued experiments
         self.stop_experiment_flag = threading.Event()
 
@@ -1148,7 +1149,8 @@ class LogWindow:
         self.textview.connect( "key-press-event", self.textview_keypress)
         self.textbuffer = self.textview.get_buffer( )
         self.logstream = log
-        self.logstream.gui_log = self
+        print("here i am")
+        #self.logstream.gui_log = self
         self.last_timetag = None
         self( "Started in directory %s\n" % os.getcwd( ) )
 
@@ -2474,9 +2476,11 @@ class MonitorWidgets:
         self.display_table.attach( self.matplot_canvas, 0, 6, 0, 1, gtk.AttachOptions.EXPAND | gtk.AttachOptions.FILL, gtk.AttachOptions.EXPAND | gtk.AttachOptions.FILL, 0, 0 )
         self.matplot_canvas.show( )
 
-        # Matplot Toolbar hinzufuegen (Display_Table, 2. Zeile) 
-        self.matplot_toolbar = matplotlib.backends.backend_gtk3.NavigationToolbar2GTK3( self.matplot_canvas,
-                                                                                      self.main_window )
+        # Matplot Toolbar hinzufuegen (Display_Table, 2. Zeile)
+        if parse_version(matplotlib.__version__) >=  parse_version("3.6"):
+            self.matplot_toolbar = matplotlib.backends.backend_gtk3.NavigationToolbar2GTK3( self.matplot_canvas )
+        else: #
+            self.matplot_toolbar = matplotlib.backends.backend_gtk3.NavigationToolbar2GTK3( self.matplot_canvas, self.main_window )
 
         self.display_table.attach( self.matplot_toolbar, 0, 1, 1, 2, gtk.AttachOptions.FILL | gtk.AttachOptions.EXPAND, 0, 0, 0 )
         self.matplot_toolbar.show( )
diff --git a/src/tools/goniometer.py b/src/tools/goniometer.py
index 89d09f5..4216f0d 100644
--- a/src/tools/goniometer.py
+++ b/src/tools/goniometer.py
@@ -56,7 +56,7 @@ class goniometer:
 
     def _recv(self):
         retstr = self.serial.readline().strip().replace("\x00","")
-        search_result = re.search("<(\d+)>", retstr)
+        search_result = re.search(r"<(\d+)>", retstr)
         if search_result != None:
             angle = float(search_result.group(1))/36.0
             self.current_angle = angle