Package builder update

Author: uutzinger

SerialUI.spec

@@ -26,9 +26,37 @@ a = Analysis(
         # "some_dynamic_imported_module",
     ],
     hookspath=[],
-    hooksconfig={},
+    hooksconfig={
+        # Prevent matplotlib hook from selecting GTK/Tk backends on Linux.
+        "matplotlib": {"backends": "QtAgg"},
+        # If Gtk is pulled in indirectly, do not recurse through /usr/share/icons and themes.
+        "gi": {"icons": [], "themes": [], "languages": []},
+    },
     runtime_hooks=[],
-    excludes=[],
+    # Ensure only PyQt6 is collected. The source contains PyQt5 fallback imports,
+    # but frozen builds should ship exactly one Qt binding.
+    excludes=[
+        "PyQt5",
+        "PyQt5.sip",
+        "PySide2",
+        "PySide6",
+        # Exclude GUI stacks not used by this Qt app.
+        "IPython",
+        "ipykernel",
+        "gi",
+        "gi.repository",
+        "tkinter",
+        "PIL.ImageTk",
+        # Avoid GTK backend pull-in from matplotlib in frozen Qt app.
+        "matplotlib.backends.backend_gtk3",
+        "matplotlib.backends.backend_gtk3agg",
+        "matplotlib.backends.backend_gtk3cairo",
+        "matplotlib.backends.backend_gtk4",
+        "matplotlib.backends.backend_gtk4agg",
+        "matplotlib.backends.backend_gtk4cairo",
+        "matplotlib.backends.backend_tkagg",
+        "matplotlib.backends.backend_tkcairo",
+    ],
     win_no_prefer_redirects=False,
     win_private_assemblies=False,
     cipher=block_cipher,
@@ -64,4 +92,4 @@ coll = COLLECT(
     upx=True,
     upx_exclude=[],
     name="SerialUI",
-)
+)

helpers/Circular_Buffer.py

@@ -547,8 +547,11 @@ def __init__(self, *_, **__):
 if __name__ == "__main__":
     import time
     import math
-    import matplotlib.pyplot as plt
-    from matplotlib.ticker import ScalarFormatter
+    import importlib
+
+    # Keep matplotlib imports dynamic so packagers do not pull it into the app.
+    plt = importlib.import_module("matplotlib.pyplot")
+    ScalarFormatter = importlib.import_module("matplotlib.ticker").ScalarFormatter
 
     def benchmark_push(buffer, data_list):
         """Push Benchmark"""
@@ -783,4 +786,4 @@ def collect_and_print():
     # Run textual benchmarks
     collect_and_print()
     # Then collect and plot heatmaps/contours
-    collect_and_plot()
+    collect_and_plot()