Significant cleanup x 1.

This commit is the first in a commit chain quietly resurrecting BETSE for a modern audience and the modern Python ecosystem. Specifically, this commit: * Resolves all deprecation warnings issued by Matplotlib and NumPy when running the `betse info` subcommand. * Bumps our mandatory runtime dependencies to Matplotlib 3.9.0 and NumPy 2.0.0 to avoid issues with newly introduced APIs. * Bumps all copyright preambles throughout the codebase. (*Elation station!*)
betsee · Sep 10, 2024 · c121237 · c121237
1 parent 5da9c54
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diff --git a/.gitignore b/.gitignore
@@ -1,5 +1,5 @@
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 #
 # --------------------( SYNOPSIS                           )--------------------

diff --git a/LICENSE b/LICENSE
@@ -1,4 +1,4 @@
-Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

diff --git a/betse/__init__.py b/betse/__init__.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/__main__.py b/betse/__main__.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/appmeta.py b/betse/appmeta.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/cli/__main__.py b/betse/cli/__main__.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/cli/cliinfo.py b/betse/cli/cliinfo.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/cli/climain.py b/betse/cli/climain.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/data/yaml/INITS/.gitignore b/betse/data/yaml/INITS/.gitignore
@@ -1,5 +1,5 @@
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 #
 # --------------------( SYNOPSIS                           )--------------------

diff --git a/betse/data/yaml/RESULTS/.gitignore b/betse/data/yaml/RESULTS/.gitignore
@@ -1,5 +1,5 @@
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 #
 # --------------------( SYNOPSIS                           )--------------------

diff --git a/betse/data/yaml/RESULTS/init_1/.gitignore b/betse/data/yaml/RESULTS/init_1/.gitignore
@@ -1,5 +1,5 @@
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 #
 # --------------------( SYNOPSIS                           )--------------------

diff --git a/betse/data/yaml/RESULTS/sim_1/.gitignore b/betse/data/yaml/RESULTS/sim_1/.gitignore
@@ -1,5 +1,5 @@
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 #
 # --------------------( SYNOPSIS                           )--------------------

diff --git a/betse/data/yaml/SIMS/.gitignore b/betse/data/yaml/SIMS/.gitignore
@@ -1,5 +1,5 @@
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 #
 # --------------------( SYNOPSIS                           )--------------------

diff --git a/betse/exceptions.py b/betse/exceptions.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/gui/interact.py b/betse/gui/interact.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 

diff --git a/betse/lib/libs.py b/betse/lib/libs.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/matplotlib/matplotlibs.py b/betse/lib/matplotlib/matplotlibs.py
@@ -1,13 +1,13 @@
 #!/usr/bin/env python3
-# --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# --------------------( LICENSE                            )--------------------
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''
 High-level support facilities for matplotlib, a mandatory runtime dependency.
 
 Backends
-----------
+--------
 matplotlib supports numerous **interactive backends** (i.e., bindings to
 external GUI-specific widget toolkits), only one of which will be imported by
 matplotlib at runtime. If the caller specifies no such backend, a default
@@ -68,7 +68,10 @@
 from betse.util.io.log import logs
 from betse.util.io.log.conf import logconf
 from betse.util.io.log.logenum import LogLevel
-from betse.util.os import displays, kernels, oses
+from betse.util.os import (
+    displays,
+    kernels,
+)
 from betse.util.os.brand import macos
 from betse.util.py.module import pymodname
 from betse.util.type.iterable import itersort
@@ -841,29 +844,29 @@ def backend_names(self) -> SequenceTypes:
         '''
 
         # Importing this submodule may have side effects and is thus deferred.
-        #
-        # "all_backends" is the canonical sequence of all publicly supported
-        # backends, defined as the concatenation of these subsidiary sequences:
-        #
+        from matplotlib.backends import backend_registry
+
+        # List of all publicly supported backends, defined as the concatenation
+        # of these subsidiary lists:
         # * "interactive_bk", listing all supported interative backends.
         # * "non_interactive_bk", listing all supported non-interative
         #   backends.
         #
-        # Note that this sequence excludes numerous privately supported
-        # backends residing in the "matplotlib.backends" subpackage (e.g.,
+        # Note that this list excludes numerous privately supported backends
+        # residing in the "matplotlib.backends" subpackage (e.g.,
         # "matplotlib.backends.backend_webagg_core"). Obsolete versions of
         # Matplotlib permitted callers to enable these backends; ergo, this
         # property was previously implemented to dynamically introspect the
         # local filesystem to collect the set of all backend names from the set
         # of all "backend_"-prefixed submodules residing in this subpackage.
         # Modern versions of Matplotlib prohibit callers from enabling these
         # backends; ergo, this property now defers to this sequence.
-        from matplotlib.rcsetup import all_backends
+        backend_names = backend_registry.list_builtin()
 
         # Return a new sequence containing all items from "all_backends"
         # lowercased and lexicographically sorted.
         return itersort.sort_ascending(
-            backend_name.lower() for backend_name in all_backends)
+            backend_name.lower() for backend_name in backend_names)
 
     # ..................{ PROPERTIES ~ backend : names: pri }..................
     @property_cached

diff --git a/betse/lib/matplotlib/mplcolormap.py b/betse/lib/matplotlib/mplcolormap.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/matplotlib/mplfigure.py b/betse/lib/matplotlib/mplfigure.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/matplotlib/mplutil.py b/betse/lib/matplotlib/mplutil.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/matplotlib/mplzorder.py b/betse/lib/matplotlib/mplzorder.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/matplotlib/writer/mplcls.py b/betse/lib/matplotlib/writer/mplcls.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                            )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/matplotlib/writer/mplvideo.py b/betse/lib/matplotlib/writer/mplvideo.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/numpy/nparray.py b/betse/lib/numpy/nparray.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/numpy/npcsv.py b/betse/lib/numpy/npcsv.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/numpy/npscalar.py b/betse/lib/numpy/npscalar.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''

diff --git a/betse/lib/numpy/nptest.py b/betse/lib/numpy/nptest.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # --------------------( LICENSE                           )--------------------
-# Copyright 2014-2023 by Alexis Pietak & Cecil Curry.
+# Copyright 2014-2025 by Alexis Pietak & Cecil Curry.
 # See "LICENSE" for further details.
 
 '''