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* gnu/packages/patches/python-mslice-matplotlib-3.6-compatibility.patch: New file. * gnu/local.mk (dist_patch_DATA): Add reference to it. * gnu/packages/physics.scm (python-mslice): New variable. Change-Id: I55b884b53bef3f59d466e8980a643e4ef78fa544
47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From: Danny Milosavljevic <dannym@friendly-machines.com>
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Date: 2026-02-13
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Subject: Fix compatibility with matplotlib 3.6+
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Matplotlib 3.6 removed the `message` Qt signal from NavigationToolbar2QT.
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The old API was:
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message = QtCore.Signal(str)
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def set_message(self, s):
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self.message.emit(s)
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self.locLabel.setText(s)
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The new API just updates the label directly with no signal:
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def set_message(self, s):
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self.locLabel.setText(s)
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Matplotlib provides no replacement signal. The only way to intercept
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toolbar messages is to override the set_message method.
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This patch replaces the signal connection with a method override that
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forwards messages to the status bar.
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--- a/src/mslice/plotting/plot_window/plot_window.py
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+++ b/src/mslice/plotting/plot_window/plot_window.py
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@@ -274,7 +274,18 @@ class PlotWindow(QtWidgets.QMainWindow):
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def create_status_bar(self):
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self.statusbar = QtWidgets.QStatusBar(self)
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- self.stock_toolbar.message.connect(self.statusbar.showMessage)
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+ # Matplotlib 3.6 removed the `message` Qt signal from
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+ # NavigationToolbar2QT. The old code was:
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+ #
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+ # self.stock_toolbar.message.connect(self.statusbar.showMessage)
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+ #
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+ # Since matplotlib provides no replacement signal, we override
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+ # set_message to forward messages to the status bar.
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+ original_set_message = self.stock_toolbar.set_message
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+ def set_message_forwarding_to_statusbar(s):
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+ original_set_message(s)
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+ self.statusbar.showMessage(s)
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+ self.stock_toolbar.set_message = set_message_forwarding_to_statusbar
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self.setStatusBar(self.statusbar)
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def flag_as_kept(self):
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