diff --git a/lib/matplotlib/backends/_backend_gtk.py b/lib/matplotlib/backends/_backend_gtk.py
index db5ca34cbf80..7eda5b924268 100644
--- a/lib/matplotlib/backends/_backend_gtk.py
+++ b/lib/matplotlib/backends/_backend_gtk.py
@@ -24,12 +24,7 @@
raise ImportError("Gtk-based backends require cairo") from e
_log = logging.getLogger(__name__)
-
-backend_version = "%s.%s.%s" % (
- Gtk.get_major_version(), Gtk.get_minor_version(), Gtk.get_micro_version())
-
-# Placeholder
-_application = None
+_application = None # Placeholder
def _shutdown_application(app):
@@ -305,6 +300,12 @@ def trigger(self, *args):
class _BackendGTK(_Backend):
+ backend_version = "%s.%s.%s" % (
+ Gtk.get_major_version(),
+ Gtk.get_minor_version(),
+ Gtk.get_micro_version(),
+ )
+
@staticmethod
def mainloop():
global _application
diff --git a/lib/matplotlib/backends/_backend_tk.py b/lib/matplotlib/backends/_backend_tk.py
index 5d92e35469c2..bbb05ed46c33 100644
--- a/lib/matplotlib/backends/_backend_tk.py
+++ b/lib/matplotlib/backends/_backend_tk.py
@@ -24,9 +24,6 @@
_log = logging.getLogger(__name__)
-
-backend_version = tk.TkVersion
-
cursord = {
cursors.MOVE: "fleur",
cursors.HAND: "hand2",
@@ -1017,6 +1014,7 @@ def trigger(self, *args):
@_Backend.export
class _BackendTk(_Backend):
+ backend_version = tk.TkVersion
FigureManager = FigureManagerTk
@staticmethod
diff --git a/lib/matplotlib/backends/backend_agg.py b/lib/matplotlib/backends/backend_agg.py
index 0d8a127dba8c..8fda2606b472 100644
--- a/lib/matplotlib/backends/backend_agg.py
+++ b/lib/matplotlib/backends/backend_agg.py
@@ -40,9 +40,6 @@
from matplotlib.backends._backend_agg import RendererAgg as _RendererAgg
-backend_version = 'v2.2'
-
-
def get_hinting_flag():
mapping = {
'default': LOAD_DEFAULT,
@@ -563,5 +560,6 @@ def print_webp(self, filename_or_obj, *, pil_kwargs=None):
@_Backend.export
class _BackendAgg(_Backend):
+ backend_version = 'v2.2'
FigureCanvas = FigureCanvasAgg
FigureManager = FigureManagerBase
diff --git a/lib/matplotlib/backends/backend_cairo.py b/lib/matplotlib/backends/backend_cairo.py
index 3a0c96c92fba..3d6cec641884 100644
--- a/lib/matplotlib/backends/backend_cairo.py
+++ b/lib/matplotlib/backends/backend_cairo.py
@@ -34,9 +34,6 @@
from matplotlib.transforms import Affine2D
-backend_version = cairo.version
-
-
def _append_path(ctx, path, transform, clip=None):
for points, code in path.iter_segments(
transform, remove_nans=True, clip=clip):
@@ -548,5 +545,6 @@ def set_context(self, ctx):
@_Backend.export
class _BackendCairo(_Backend):
+ backend_version = cairo.version
FigureCanvas = FigureCanvasCairo
FigureManager = FigureManagerBase
diff --git a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
index 89e92690c7eb..cb1062cf157c 100644
--- a/lib/matplotlib/backends/backend_gtk3.py
+++ b/lib/matplotlib/backends/backend_gtk3.py
@@ -31,7 +31,6 @@
_BackendGTK, _FigureManagerGTK, _NavigationToolbar2GTK,
TimerGTK as TimerGTK3,
)
-from ._backend_gtk import backend_version # noqa: F401 # pylint: disable=W0611
_log = logging.getLogger(__name__)
diff --git a/lib/matplotlib/backends/backend_gtk4.py b/lib/matplotlib/backends/backend_gtk4.py
index 41b028e6620a..923787150a8d 100644
--- a/lib/matplotlib/backends/backend_gtk4.py
+++ b/lib/matplotlib/backends/backend_gtk4.py
@@ -28,7 +28,6 @@
_BackendGTK, _FigureManagerGTK, _NavigationToolbar2GTK,
TimerGTK as TimerGTK4,
)
-from ._backend_gtk import backend_version # noqa: F401 # pylint: disable=W0611
class FigureCanvasGTK4(FigureCanvasBase, Gtk.DrawingArea):
diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py
index 67829c216f9a..629f0133ed52 100644
--- a/lib/matplotlib/backends/backend_ps.py
+++ b/lib/matplotlib/backends/backend_ps.py
@@ -33,9 +33,8 @@
from matplotlib.backends.backend_mixed import MixedModeRenderer
from . import _backend_pdf_ps
-_log = logging.getLogger(__name__)
-backend_version = 'Level II'
+_log = logging.getLogger(__name__)
debugPS = False
@@ -1364,4 +1363,5 @@ def pstoeps(tmpfile, bbox=None, rotated=False):
@_Backend.export
class _BackendPS(_Backend):
+ backend_version = 'Level II'
FigureCanvas = FigureCanvasPS
diff --git a/lib/matplotlib/backends/backend_qt.py b/lib/matplotlib/backends/backend_qt.py
index b91446c4e632..2afff892ad2e 100644
--- a/lib/matplotlib/backends/backend_qt.py
+++ b/lib/matplotlib/backends/backend_qt.py
@@ -20,8 +20,6 @@
)
-backend_version = __version__
-
# SPECIAL_KEYS are Qt::Key that do *not* return their Unicode name
# instead they have manually specified names.
SPECIAL_KEYS = {
@@ -1013,6 +1011,7 @@ def trigger(self, *args, **kwargs):
@_Backend.export
class _BackendQT(_Backend):
+ backend_version = __version__
FigureCanvas = FigureCanvasQT
FigureManager = FigureManagerQT
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
index 3c6b2c66a845..b6f643a34aa9 100644
--- a/lib/matplotlib/backends/backend_qt5.py
+++ b/lib/matplotlib/backends/backend_qt5.py
@@ -4,7 +4,7 @@
from .backend_qt import ( # noqa
- backend_version, SPECIAL_KEYS,
+ SPECIAL_KEYS,
# Public API
cursord, _create_qApp, _BackendQT, TimerQT, MainWindow, FigureCanvasQT,
FigureManagerQT, ToolbarQt, NavigationToolbar2QT, SubplotToolQt,
diff --git a/lib/matplotlib/backends/backend_qt5agg.py b/lib/matplotlib/backends/backend_qt5agg.py
index c81fa6f6ccb3..8a92fd5135d5 100644
--- a/lib/matplotlib/backends/backend_qt5agg.py
+++ b/lib/matplotlib/backends/backend_qt5agg.py
@@ -6,8 +6,7 @@
backends._QT_FORCE_QT5_BINDING = True
from .backend_qtagg import ( # noqa: F401, E402 # pylint: disable=W0611
_BackendQTAgg, FigureCanvasQTAgg, FigureManagerQT, NavigationToolbar2QT,
- backend_version, FigureCanvasAgg, FigureCanvasQT
-)
+ FigureCanvasAgg, FigureCanvasQT)
@_BackendQTAgg.export
diff --git a/lib/matplotlib/backends/backend_qtagg.py b/lib/matplotlib/backends/backend_qtagg.py
index 7860c2b3e5ac..dde185107e98 100644
--- a/lib/matplotlib/backends/backend_qtagg.py
+++ b/lib/matplotlib/backends/backend_qtagg.py
@@ -11,7 +11,7 @@
from .backend_agg import FigureCanvasAgg
from .backend_qt import QtCore, QtGui, _BackendQT, FigureCanvasQT
from .backend_qt import ( # noqa: F401 # pylint: disable=W0611
- FigureManagerQT, NavigationToolbar2QT, backend_version)
+ FigureManagerQT, NavigationToolbar2QT)
class FigureCanvasQTAgg(FigureCanvasAgg, FigureCanvasQT):
diff --git a/lib/matplotlib/backends/backend_svg.py b/lib/matplotlib/backends/backend_svg.py
index 9d714739c081..191bc73fab75 100644
--- a/lib/matplotlib/backends/backend_svg.py
+++ b/lib/matplotlib/backends/backend_svg.py
@@ -24,9 +24,9 @@
from matplotlib import _path
from matplotlib.transforms import Affine2D, Affine2DBase
+
_log = logging.getLogger(__name__)
-backend_version = mpl.__version__
# ----------------------------------------------------------------------
# SimpleXMLWriter class
@@ -1412,4 +1412,5 @@ def draw(self):
@_Backend.export
class _BackendSVG(_Backend):
+ backend_version = mpl.__version__
FigureCanvas = FigureCanvasSVG
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