From 90dfb0b5d557977e9cf65e960bccd975a0376f8a Mon Sep 17 00:00:00 2001 From: Kyle Sunden Date: Mon, 23 Oct 2023 15:06:58 -0500 Subject: [PATCH 1/3] Try/except import of Axes3D On some installs, the `mpl_toolkits` namespace package gets an old version which uses deprecated (And removed) code from the main library. On such the import of Axes3D will error with an `ImportError`. This prevents users from using any of `matplotlib`, since it is imported unconditionally by default. This just try/excepts the imports (and adjusts the registration code accordingly) to allow users to continue using matplotlib (though not 3D and possibly not other mpl_toolkits) even with older installs occluding the mpl_toolkits. --- lib/matplotlib/projections/__init__.py | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/lib/matplotlib/projections/__init__.py b/lib/matplotlib/projections/__init__.py index 16a5651da1d1..17a5fadd2691 100644 --- a/lib/matplotlib/projections/__init__.py +++ b/lib/matplotlib/projections/__init__.py @@ -55,7 +55,11 @@ from .. import axes, _docstring from .geo import AitoffAxes, HammerAxes, LambertAxes, MollweideAxes from .polar import PolarAxes -from mpl_toolkits.mplot3d import Axes3D + +try: + from mpl_toolkits.mplot3d import Axes3D +except ImportError: + Axes3D = None class ProjectionRegistry: @@ -87,8 +91,12 @@ def get_projection_names(self): HammerAxes, LambertAxes, MollweideAxes, - Axes3D, ) +if Axes3D is not None: + projection_registry.register(Axes3D) +else: + # remove from namespace if not importable + del Axes3D def register_projection(cls): From 865e87c82144b11ce43d06912be196b70b7c6730 Mon Sep 17 00:00:00 2001 From: Kyle Sunden Date: Tue, 24 Oct 2023 00:52:05 -0500 Subject: [PATCH 2/3] Add a warning --- lib/matplotlib/projections/__init__.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/matplotlib/projections/__init__.py b/lib/matplotlib/projections/__init__.py index 17a5fadd2691..7941cf7e8e5d 100644 --- a/lib/matplotlib/projections/__init__.py +++ b/lib/matplotlib/projections/__init__.py @@ -59,6 +59,10 @@ try: from mpl_toolkits.mplot3d import Axes3D except ImportError: + import warnings + warnings.warn("Unable to import Axes3D. This may be due to multiple versions of" + "Matplotlib being installed (e.g. as a system package and as a pip" + "package). As a result, the 3D projection is not available.") Axes3D = None From 0b8b37e7deab69923fc85338e3da114b19f28ce3 Mon Sep 17 00:00:00 2001 From: Kyle Sunden Date: Wed, 25 Oct 2023 15:21:51 -0500 Subject: [PATCH 3/3] Fix spacing on line breaks Co-authored-by: Elliott Sales de Andrade --- lib/matplotlib/projections/__init__.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/matplotlib/projections/__init__.py b/lib/matplotlib/projections/__init__.py index 7941cf7e8e5d..8ce118986065 100644 --- a/lib/matplotlib/projections/__init__.py +++ b/lib/matplotlib/projections/__init__.py @@ -60,8 +60,8 @@ from mpl_toolkits.mplot3d import Axes3D except ImportError: import warnings - warnings.warn("Unable to import Axes3D. This may be due to multiple versions of" - "Matplotlib being installed (e.g. as a system package and as a pip" + warnings.warn("Unable to import Axes3D. This may be due to multiple versions of " + "Matplotlib being installed (e.g. as a system package and as a pip " "package). As a result, the 3D projection is not available.") Axes3D = None pFad - Phonifier reborn

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