From 3e4d31ef14b9ee22f42bcad32ad53212de8ee6a4 Mon Sep 17 00:00:00 2001
From: Bob Myhill <myhill.bob@gmail.com>
Date: Sat, 11 Oct 2025 20:14:06 +0100
Subject: [PATCH 1/2] enable python 3.14

---
 Readme.md                   |  2 +-
 burnman/__init__.py         |  2 +-
 burnman/classes/material.py | 43 ++-----------------------------------
 pyproject.toml              | 10 ++++++---
 4 files changed, 11 insertions(+), 46 deletions(-)

diff --git a/Readme.md b/Readme.md
index 8a511740a..8c5fa9761 100644
--- a/Readme.md
+++ b/Readme.md
@@ -53,7 +53,7 @@ If you use BurnMan in your work, we ask that you cite the following publications
     
 ## Installation requirements
 
-* Python 3.8+
+* Python 3.10+
 * Python modules:
   NumPy, SciPy, SymPy, Matplotlib
 
diff --git a/burnman/__init__.py b/burnman/__init__.py
index 1ec064aa6..0e0f8604e 100644
--- a/burnman/__init__.py
+++ b/burnman/__init__.py
@@ -81,7 +81,7 @@
 Requirements
 ------------
 
-  - Python 3.8+
+  - Python 3.10+
   - Python modules: NumPy, SciPy, SymPy, Sparse, Matplotlib
 
 Optional modules
diff --git a/burnman/classes/material.py b/burnman/classes/material.py
index a5adb563e..923c9aac7 100644
--- a/burnman/classes/material.py
+++ b/burnman/classes/material.py
@@ -7,48 +7,9 @@
 from copy import deepcopy
 from ..utils.math import bracket
 from scipy.optimize import brentq
+from functools import cached_property
 
-
-# TODO: When we require Python 3.8+, replace with
-# functools.cached_property decorator
-class cached_property(property):
-    """A decorator that converts a function into a lazy property.  The
-    function wrapped is called the first time to retrieve the result
-    and then that calculated result is used the next time you access
-    the value::
-
-        class Foo(object):
-
-            @cached_property
-            def foo(self):
-                # calculate something important here
-                return 42
-
-    The class has to have a `__dict__` in order for this property to
-    work.
-
-    This decorator is adapted slightly from the one in the werkzeug module:
-    https://tedboy.github.io/flask/_modules/werkzeug/utils.html#cached_property
-    """
-
-    def __init__(self, func, name=None, doc=None):
-        self.__name__ = name or func.__name__
-        self.__module__ = func.__module__
-        self.__doc__ = doc or func.__doc__
-        self.func = func
-
-    def __set__(self, obj, value):
-        obj.__dict__[self.__name__] = value
-
-    def __get__(self, obj, type=None):
-        if obj is None:
-            return self
-        try:
-            value = obj.__dict__[self.__name__]
-        except KeyError:
-            value = self.func(obj)
-            obj.__dict__[self.__name__] = value
-        return value
+cached_property = cached_property  # for easier access
 
 
 def material_property(func):
diff --git a/pyproject.toml b/pyproject.toml
index e0bfe88f4..b91e6a26a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,23 +11,27 @@ documentation = "https://burnman.readthedocs.io/"
 classifiers = [
     "License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)",
     "Operating System :: OS Independent",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.10"
 numpy = "^2"
 scipy = "^1.10"
 sympy = "^1.12"
 cvxpy = "^1.3"
 matplotlib = "^3.7"
-numba = ">=0.59,^0"
+numba = [
+    { version = ">=0.59,^0", python = "<3.14" },
+    { version = ">=0.63.0b1", python = ">=3.14" }
+]
 pycddlib-standalone = {version = "^3.0", optional = true}
 
+
 [tool.poetry.dev-dependencies]
 ipython = "^8.5"
 numba = ">=0.59,^0"

From 8c70eb63f8206c90a56f8be03ed6fdf67d256373 Mon Sep 17 00:00:00 2001
From: Bob Myhill <myhill.bob@gmail.com>
Date: Sat, 11 Oct 2025 20:16:48 +0100
Subject: [PATCH 2/2] workflow python version bump

---
 .github/workflows/coverage.yml | 2 +-
 .github/workflows/main.yml     | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 3e99789b5..cea3eac0f 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-versions: ['3.12']
+        python-versions: ['3.13']
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dd921a120..6258ad423 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,7 +10,7 @@ jobs:
 
     strategy:
       matrix:
-        python-versions: ['3.12']
+        python-versions: ['3.13']
 
     steps:
     - uses: actions/checkout@v4
@@ -38,7 +38,7 @@ jobs:
 
     strategy:
       matrix:
-        python-versions: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-versions: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
     - uses: actions/checkout@v4
@@ -65,7 +65,7 @@ jobs:
 
     strategy:
       matrix:
-        python-versions: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-versions: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
     - uses: actions/checkout@v4