Improve web finalisation navigation, caching and Anot support

tests/test_final_scores.py

@@ -0,0 +1,42 @@
+import os
+from pathlib import Path
+import tempfile
+import unittest
+from unittest.mock import patch
+import pandas as pd
+from copienator import atomic_write_json
+from copienator.final_scores import exported_scores
+
+
+class ExportedFinalScoresTests(unittest.TestCase):
+    def test_legacy_export_uses_only_sheet_predating_export(self):
+        with tempfile.TemporaryDirectory() as temporary:
+            root = Path(temporary)/'Interro'
+            (root/'A Rendre/Alice (01)').mkdir(parents=True)
+            ods = root/'marks.ods'
+            ods.write_bytes(b'sheet')
+            image = root/'output/Interro/Alice/Alice.jpg'
+            image.parent.mkdir(parents=True)
+            image.write_bytes(b'export')
+            os.utime(ods, ns=(1000000,1000000))
+            os.utime(image, ns=(2000000,2000000))
+            with patch('copienator.final_scores.configuration.FINAL_SCORE_OUTPUT_DIR',root/'output'), \
+                 patch('copienator.final_scores.configuration.FINAL_SCORE_ODS_PATH',ods), \
+                 patch('pandas.read_excel',return_value=pd.DataFrame({0:['Alice'],1:[12.39]})) as read:
+                self.assertEqual(exported_scores(root,root), {'1':'12.3'})
+                os.utime(ods, ns=(3000000,3000000))
+                read.reset_mock()
+                self.assertEqual(exported_scores(root,root), {})
+                read.assert_not_called()
+
+    def test_no_final_mark_before_export_and_saved_marks_do_not_read_live_sheet(self):
+        with tempfile.TemporaryDirectory() as temporary:
+            root=Path(temporary)
+            with patch('copienator.final_scores.configuration.FINAL_SCORE_OUTPUT_DIR',root/'output'), \
+                 patch('copienator.final_scores.configuration.FINAL_SCORE_ODS_PATH',root/'missing.ods'), \
+                 patch('pandas.read_excel') as read:
+                self.assertEqual(exported_scores(root,root), {})
+                atomic_write_json(root/'.copienator/final_scores.json',
+                    {'version':1,'copies':{'01':{'score':'0.0','name':'Alice'}}})
+                self.assertEqual(exported_scores(root,root), {'1':'0.0'})
+                read.assert_not_called()