Make freezegun optional to pass tests.

Author: christinaholtNOAA

notebooks/Makefile

@@ -13,7 +13,7 @@ lint:
 	ruff check tests
 
 notebook:
-	TZ=UTC jupyter nbconvert --to notebook --inplace --execute *.ipynb
+	TZ=UTC FAKE_NOW=True jupyter nbconvert --to notebook --inplace --execute *.ipynb
 	jupyter nbconvert --to notebook --coalesce-streams --inplace --ClearMetadataPreprocessor.enabled=True --ClearNotebookMetadataPreprocessor.enabled=True *.ipynb
 
 test: test-nb

notebooks/config.ipynb

@@ -39,12 +39,14 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "import os\n",
     "from pathlib import Path\n",
     "from freezegun import freeze_time\n",
     "from uwtools.api import config\n",
     "from uwtools.api.logging import use_uwtools_logger\n",
     "\n",
-    "freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
+    "if os.environ.get(\"FAKE_NOW\"):\n",
+    "    freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
     "\n",
     "use_uwtools_logger()"
    ]
@@ -1547,7 +1549,7 @@
       " |  clear(self)\n",
       " |      D.clear() -> None.  Remove all items from D.\n",
       " |  \n",
-      " |  pop(self, key, default=<object object at 0x105285160>)\n",
+      " |  pop(self, key, default=<object object at 0x1008b5160>)\n",
       " |      D.pop(k[,d]) -> v, remove specified key and return the corresponding value.\n",
       " |      If key is not found, d is returned if given, otherwise KeyError is raised.\n",
       " |  \n",

notebooks/exp-config-cb.ipynb

@@ -21,12 +21,14 @@
    "outputs": [],
    "source": [
     "from datetime import datetime, timedelta\n",
+    "import os\n",
     "from freezegun import freeze_time\n",
     "from uwtools.api.config import get_yaml_config\n",
     "from uwtools.api import chgres_cube\n",
     "from uwtools.api.logging import use_uwtools_logger\n",
     "\n",
-    "freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
+    "if os.environ.get(\"FAKE_NOW\"):\n",
+    "    freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
     "use_uwtools_logger()"
    ]
   },
@@ -362,7 +364,7 @@
     {
      "data": {
       "text/plain": [
-       "20000101 06:00:00 chgres_cube valid schema <4375563952>"
+       "20000101 06:00:00 chgres_cube valid schema <4375272848>"
       ]
      },
      "execution_count": 8,

notebooks/fs.ipynb

@@ -36,14 +36,16 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "import os\n",
     "from pathlib import Path\n",
     "from shutil import rmtree\n",
     "from freezegun import freeze_time\n",
     "from uwtools.api import fs\n",
     "from uwtools.api.logging import use_uwtools_logger\n",
     "import yaml\n",
     "\n",
-    "freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
+    "if os.environ.get(\"FAKE_NOW\"):\n",
+    "    freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
     "use_uwtools_logger()"
    ]
   },
@@ -498,7 +500,7 @@
     {
      "data": {
       "text/plain": [
-       "File copies <4431768352>"
+       "File copies <4444596256>"
       ]
      },
      "execution_count": 12,
@@ -1016,7 +1018,7 @@
     {
      "data": {
       "text/plain": [
-       "File links <4431571600>"
+       "File links <4444596304>"
       ]
      },
      "execution_count": 24,
@@ -1418,7 +1420,7 @@
     {
      "data": {
       "text/plain": [
-       "Directories <4432233664>"
+       "Directories <4444756432>"
       ]
      },
      "execution_count": 34,

notebooks/rocoto.ipynb

@@ -28,12 +28,14 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "import os\n",
     "from pathlib import Path\n",
     "from freezegun import freeze_time\n",
     "from uwtools.api import rocoto\n",
     "from uwtools.api.logging import use_uwtools_logger\n",
     "\n",
-    "freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
+    "if os.environ.get(\"FAKE_NOW\"):\n",
+    "    freeze_time(\"2000-01-01 00:00:00 UTC\").start()\n",
     "use_uwtools_logger()"
    ]
   },

notebooks/template.ipynb

@@ -24,24 +24,15 @@
    "execution_count": 1,
    "id": "cbec4cc0-369e-41ff-a8a6-8a2699cb5759",
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "<freezegun.api.FrozenDateTimeFactory at 0x106570790>"
-      ]
-     },
-     "execution_count": 1,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
+    "import os\n",
     "from pathlib import Path\n",
     "from freezegun import freeze_time\n",
     "from uwtools.api import template\n",
     "\n",
-    "freeze_time(\"2000-01-01 00:00:00 UTC\").start()"
+    "if os.environ.get(\"FAKE_NOW\"):\n",
+    "    freeze_time(\"2000-01-01 00:00:00 UTC\").start()"
    ]
   },
   {