Pint Python to <3.13 in example environment

micromamba xcube install is currently broken: all current xcube
packages are (directly or transitively) Python 3.13 incompatible,
but older ones aren't marked as such, so without a pin micromamba
installs Python 3.13 and incompatible xcube 1.7.1.

Author: pont-us

examples/environment.yml

@@ -2,6 +2,6 @@ name: xce-example-1
 channels:
   - conda-forge
 dependencies:
-  - python >=3.10
+  - python >=3.10,<3.13
   - xcube >=1.7.1
   - matplotlib-base

examples/staging.ipynb

@@ -0,0 +1,100 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "a7055ada-b79a-467f-bbc8-48b744367324",
+   "metadata": {
+    "editable": true,
+    "slideshow": {
+     "slide_type": ""
+    },
+    "tags": []
+   },
+   "source": [
+    "Parameters cell"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "fbb2fa57-fb9c-4b67-86c4-6fc02cfe9e12",
+   "metadata": {
+    "editable": true,
+    "slideshow": {
+     "slide_type": ""
+    },
+    "tags": [
+     "parameters"
+    ]
+   },
+   "outputs": [],
+   "source": [
+    "import xcube.core.new\n",
+    "\n",
+    "periods = 10\n",
+    "cube1 = xcube.core.new.new_cube(\n",
+    "    variables={\"v\": lambda x, y, t: (x + y + t) % 10},\n",
+    "    time_periods=periods\n",
+    ")\n",
+    "cube2 = xcube.core.new.new_cube(\n",
+    "    variables={\"v\": lambda x, y, t: (x - y + t) % 10},\n",
+    "    time_periods=periods\n",
+    ")\n",
+    "\n",
+    "del xcube"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "df9686d6-395b-4bfd-bd10-c7e03df5cf38",
+   "metadata": {
+    "editable": true,
+    "slideshow": {
+     "slide_type": ""
+    },
+    "tags": []
+   },
+   "outputs": [],
+   "source": [
+    "cube1.attrs[\"title\"] = \"Cube 1\"\n",
+    "cube2.attrs[\"title\"] = \"Cube 2\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5fb0b2d6-364a-4875-aa80-37e9f4e76abf",
+   "metadata": {
+    "editable": true,
+    "slideshow": {
+     "slide_type": ""
+    },
+    "tags": []
+   },
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.8"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}