Refaire session.

Script.org

@@ -377,6 +377,39 @@ Ce parcours a sa propre progression : les boutons de navigation du
 passage principal ne l'ouvrent pas automatiquement. Après la fusion,
 les étapes de restitution déjà terminées sont marquées à revalider.
 
+Pour enchaîner les reprises, deux boutons sont disponibles dans ce parcours :
+- =Nouvelle reprise= vide la sélection et remet les étapes de reprise à zéro.
+- =Refaire la même sélection= conserve les copies et les questions du dernier
+  enregistrement, mais remet également les étapes de reprise à zéro.
+Les choix du passage principal et de présentation des PDF sont conservés.
+Enregistrer ensuite la sélection avant de poursuivre.
+
+Attention : appeler =Nouvelle reprise= seulement après avoir importé les
+résultats et exécuté =Mettre à jour les copies finales=. La même précaution
+s'applique à =Refaire la même sélection=. Un avertissement est affiché avant
+les deux actions, avec une mention supplémentaire si la fusion n'est pas
+marquée réussie. Annuler conserve la reprise actuelle. Après une fusion
+réussie, utiliser ces boutons pour recommencer, plutôt que modifier la
+sélection du passage terminé.
+
+Chaque nouveau passage utilise =Reprises/reprise-DATE-HEURE-ID/BRnot=.
+Le passage précédent garde ses PDF, ses retours manuscrits, sa sélection
+et une copie de la progression du GUI. Au premier changement de passage,
+l'ancien =BRnot= à la racine est également copié dans =Reprises=.
+Ces archives concernent les fichiers de vérification, pas un mécanisme
+permettant d'annuler les modifications des copies finales.
+Le fichier =refaire-session.json= désigne le passage actif ; les commandes
+habituelles =--refaire= le suivent automatiquement. Sans ce fichier, le
+fonctionnement historique dans =BRnot= à la racine reste disponible.
+Dans la suite, =BRnot= désigne le dossier de la reprise active.
+
+L'export d'un passage identifié utilise son propre sous-dossier dans
+=EXPORT_DIR/Évaluation= et préfixe les noms des PDF par son identifiant.
+Conserver les noms complets au retour et placer les PDF directement dans
+=IMPORT_DIR=. L'import ignore les retours des autres passages ; aucun retour
+du passage actif donne un résultat partiel. Ainsi, deux reprises de la même
+question ne partagent pas les mêmes noms de fichiers exportés.
+
 Ce flux fonctionne après =annotate-grouped= (=BGnot=),
 =annotate-checks= (=Bnot=) ou =annotate-simple= (=Anot=).
 Terminer d'abord la lecture des annotations du passage principal
@@ -405,8 +438,8 @@ Conserver les dossiers d'annotation et leurs fichiers de référence.
     principal. Le mode groupé garde les identifiants des élèves et regroupe
     les réponses par label sans demander de modifier =label_groups=.
     Cela ne nécessite pas d'avoir généré =Bnot= ou =BGnot= auparavant.
-    Attention : =--overwrite= remplace tout le précédent passage dans
+    Attention : =--overwrite= remplace le contenu du =BRnot= actif,
-    =BRnot=, y compris ses annotations manuscrites. Une génération incomplète
+    y compris ses annotations manuscrites, mais pas les autres reprises. Une génération incomplète
     conserve l'ancien =BRnot=. Sans =--overwrite=, un =BRnot= existant est refusé.
  5. Vider les dossiers personnels d'export/import des anciens fichiers,
     puis =python -m copienator export Interro --refaire=.

copienator/commands/export.py

@@ -3,7 +3,6 @@ import sys
 from collections.abc import Sequence
 from pathlib import Path
 
-from copienator.configuration import EXPORT_DIR
 from copienator import (
     EvaluationWorkspace,
     ExitCode,
@@ -11,6 +10,7 @@ from copienator import (
     execute,
     workspace_from_args,
 )
+from copienator.configuration import EXPORT_DIR
 from copienator.platform import replace_with_link_or_copy
 
 ANNOTATION_DIRECTORIES = ("BGnot", "Bnot", "Anot")
@@ -21,8 +21,12 @@ def export_directory(
     source_dir_name: str,
 ) -> ExitCode:
     workspace.require_directories(source_dir_name)
-    source_dir = workspace.root / source_dir_name
+    source_dir = workspace.annotation_dir("refaire") if source_dir_name == "BRnot" else workspace.root / source_dir_name
+    session_id = workspace.refaire_session_id if source_dir_name == "BRnot" else None
+    prefix = f"{session_id}__" if session_id else ""
     sync_dir = Path(EXPORT_DIR).expanduser() / workspace.name
+    if session_id:
+        sync_dir /= session_id
     sync_dir.mkdir(parents=True, exist_ok=True)
 
     subdirs = [directory for directory in source_dir.iterdir() if directory.is_dir()]
@@ -48,7 +52,7 @@ def export_directory(
             )
             missing_outputs += 1
             continue
-        destination = sync_dir / f"{subdir.name}{concat_file.suffix.lower()}"
+        destination = sync_dir / f"{prefix}{subdir.name}{concat_file.suffix.lower()}"
         method = replace_with_link_or_copy(concat_file, destination, prefer="hardlink")
         print(f"Exported: {destination} ({method})")
     return ExitCode.PARTIAL if missing_outputs else ExitCode.SUCCESS

copienator/commands/import_annotations.py

@@ -4,7 +4,6 @@ import sys
 from collections.abc import Sequence
 from pathlib import Path
 
-from copienator.configuration import IMPORT_DIR
 from copienator import (
     EvaluationWorkspace,
     ExitCode,
@@ -12,6 +11,7 @@ from copienator import (
     execute,
     workspace_from_args,
 )
+from copienator.configuration import IMPORT_DIR
 
 ANNOTATION_DIRECTORIES = ("BGnot", "Bnot", "Anot")
 
@@ -23,7 +23,10 @@ def sync_annotated(
     import_dir: Path,
 ) -> ExitCode:
     workspace.require_directories(annotation_dir_name)
-    annotation_dir = workspace.root / annotation_dir_name
+    annotation_dir = workspace.annotation_dir("refaire") if annotation_dir_name == "BRnot" else workspace.root / annotation_dir_name
+    session_id = workspace.refaire_session_id if annotation_dir_name == "BRnot" else None
+    prefix = f"{session_id}__" if session_id else ""
+    accepted = 0
     annotated_dir = Path(import_dir).expanduser()
     if not annotated_dir.is_dir():
         print(f"Error: directory does not exist: {annotated_dir}", file=sys.stderr)
@@ -39,7 +42,10 @@ def sync_annotated(
         key=lambda path: path.name.casefold(),
     )
     for annotated_file in annotated_files:
-        target_subdir = annotation_dir / annotated_file.stem
+        if prefix and not annotated_file.stem.startswith(prefix):
+            print(f"Ignoring return from another pass: {annotated_file.name}")
+            continue
+        target_subdir = annotation_dir / annotated_file.stem.removeprefix(prefix)
 
         if not target_subdir.is_dir():
             print(f"Warning: directory not found: {target_subdir}", file=sys.stderr)
@@ -49,6 +55,10 @@ def sync_annotated(
             dest_file = target_subdir / f"Concat_annotated{suffix}"
             print(f"Copying {annotated_file} to {dest_file}")
             shutil.copy2(annotated_file, dest_file)
+            accepted += 1
+    if prefix and not accepted:
+        print(f"No returns for the active pass {session_id} were imported.")
+        return ExitCode.PARTIAL
     return ExitCode.PARTIAL if missing_targets else ExitCode.SUCCESS
 
 

copienator/workspace.py

@@ -165,7 +165,26 @@ class EvaluationWorkspace:
     def return_dir(self) -> Path:
         return self.root / "A Rendre"
 
+    @property
+    def refaire_session_id(self) -> str | None:
+        from .json_io import read_json
+
+        session = read_json(self.root / "refaire-session.json", default=None)
+        if session is None:
+            return None
+        ident = session.get("id") if isinstance(session, dict) else None
+        if not isinstance(ident, str) or not re.fullmatch(r"reprise-[0-9]{8}-[0-9]{6}-[a-f0-9]{8}", ident):
+            raise ValueError("Invalid refaire-session.json")
+        return ident
+
+    @property
+    def refaire_session_dir(self) -> Path | None:
+        ident = self.refaire_session_id
+        return self.root / "Reprises" / ident if ident else None
+
     def annotation_dir(self, mode: str) -> Path:
+        if mode == "refaire" and self.refaire_session_dir is not None:
+            return self.refaire_session_dir / "BRnot"
         directories = {
             "simple": "Anot",
             "checks": "Bnot",
@@ -215,7 +234,7 @@ class EvaluationWorkspace:
         missing = [
             relative_path
             for relative_path in relative_paths
-            if not (self.root / relative_path).is_dir()
+            if not (self.annotation_dir("refaire") if relative_path == "BRnot" else self.root / relative_path).is_dir()
         ]
         if missing:
             raise WorkspaceValidationError(self.root, missing)

copienator_gui/app.py

@@ -25,6 +25,7 @@ from .refaire import (
     resolve_layout,
     validate_selection,
 )
+from .refaire_sessions import RESTART_WARNING, begin_pass
 from .runner import ProcessRunner
 from .state import StateStore
 from .workflow import (
@@ -470,7 +471,8 @@ class CopienatorApp(tk.Tk):
             if any(char in pattern for char in "*?["):
                 exists = next(evaluation.glob(pattern), None) is not None
             else:
-                exists = (evaluation / pattern).exists()
+                path = EvaluationWorkspace(evaluation).annotation_dir("refaire") if pattern == "BRnot" else evaluation / pattern
+                exists = path.exists()
             if not exists:
                 missing.append(pattern)
         return missing
@@ -635,6 +637,7 @@ class CopienatorApp(tk.Tk):
             evaluation = self.evaluation
             if step.id in {"refaire_selection", "refaire_correct"}:
                 row = self._correction_folder_buttons(row)
+            row = self._refaire_restart_controls(row)
             if step.id == "refaire_selection" and evaluation:
                 choices, preferred = self._annotation_directory_choices("export")
                 draft = self.state_store.step(step.id).get("values", {})
@@ -699,6 +702,50 @@ class CopienatorApp(tk.Tk):
             row += 1
         return row
 
+    def _refaire_restart_controls(self, row: int) -> int:
+        controls = ttk.Frame(self.form)
+        controls.grid(row=row, column=0, columnspan=2, sticky="w", pady=(0, 5))
+        running = bool(self.active_step_id) or self.runner.running
+        ttk.Button(controls, text="Nouvelle reprise", command=lambda: self._start_refaire_pass(False),
+                   state="disabled" if running else "normal").pack(side="left", padx=(0, 6))
+        ttk.Button(controls, text="Refaire la même sélection", command=lambda: self._start_refaire_pass(True),
+                   state="disabled" if running else "normal").pack(side="left")
+        ttk.Label(self.form, text="« Nouvelle reprise » : à utiliser après avoir importé les résultats et mis à jour les copies finales.",
+                  wraplength=580, justify="left").grid(row=row + 1, column=0, columnspan=2, sticky="w", pady=(0, 6))
+        return row + 2
+
+    def _start_refaire_pass(self, keep_selection: bool) -> None:
+        workspace = self.state_store.workspace
+        if workspace is None:
+            messagebox.showerror("Évaluation absente", "Chargez d’abord une évaluation.")
+            return
+        if self.active_step_id or self.runner.running:
+            messagebox.showwarning("Traitement en cours", "Attendez la fin du traitement avant de commencer une reprise.")
+            return
+        try:
+            if keep_selection:
+                load_selection(workspace.root)
+            title = "Refaire la même sélection" if keep_selection else "Nouvelle reprise"
+            message = RESTART_WARNING
+            if self.state_store.step("refaire_merge").get("status") != "success":
+                message += "\n\nLa reprise actuelle n’est pas marquée comme fusionnée. Les résultats non fusionnés ne seront pas intégrés aux copies finales."
+            message += "\n\nLes fichiers de la reprise précédente seront conservés. Continuer ?"
+            if not messagebox.askyesno(title, message, icon="warning", default="no"):
+                return
+            self._save_current_form()
+            updated, ident = begin_pass(workspace, self.state_store.data, keep_selection=keep_selection)
+            self.state_store.data = updated
+            # Do not save the old form over the fresh pass during navigation.
+            self.current_step = None
+            self.refaire_panel = None
+            self.arg_vars.clear()
+            self._populate_tree()
+            self.tree.selection_set("refaire_selection")
+            self.tree.see("refaire_selection")
+            self.info_var.set(f"Nouvelle reprise : {ident}. Enregistrez la sélection pour continuer.")
+        except (OSError, ValueError, TypeError) as exc:
+            messagebox.showerror("Nouvelle reprise impossible", str(exc))
+
     def _correction_folder_buttons(self, row: int) -> int:
         buttons = ttk.Frame(self.form)
         buttons.grid(row=row, column=0, columnspan=2, sticky="w", pady=(0, 6))
@@ -804,11 +851,23 @@ class CopienatorApp(tk.Tk):
         if not self.refaire_panel or not self.evaluation:
             return
         try:
+            if self.state_store.step("refaire_merge").get("status") == "success":
+                messagebox.showinfo("Reprise terminée", "Utilisez « Nouvelle reprise » ou « Refaire la même sélection » pour commencer un autre passage.")
+                return
             values = self.refaire_panel.values()
             entries = validate_selection(values["selection"], available_copies(self.evaluation), EvaluationWorkspace(self.evaluation).read_labels())
             source = values["annotation_dir"]
             if source not in detected_annotation_directories(self.evaluation):
                 raise ValueError("Choisissez un dossier existant pour le passage principal.")
+            workspace = EvaluationWorkspace(self.evaluation)
+            output = workspace.annotation_dir("refaire")
+            if output.is_dir() and any(output.iterdir()) and workspace.refaire_file.is_file():
+                from copienator import read_json
+                if read_json(workspace.refaire_file) != entries:
+                    raise ValueError("Des PDF de vérification existent déjà. Importez et fusionnez leurs résultats, puis utilisez « Nouvelle reprise » pour changer de sélection.")
+            if workspace.refaire_session_dir is not None:
+                atomic_write_json(workspace.refaire_session_dir / "refaire.json", entries)
+                atomic_write_json(workspace.refaire_session_dir / "session.json", {"id": workspace.refaire_session_id, "values": values})
             atomic_write_json(self.evaluation / "refaire.json", entries)
             self._mark_step("success")
             self._move_selection_from("refaire_selection", 1)

copienator_gui/refaire_sessions.py

@@ -0,0 +1,86 @@
+"""Preserve completed redo passes and activate a fresh working directory."""
+
+from __future__ import annotations
+
+import copy
+import shutil
+import uuid
+from datetime import datetime
+from typing import Any
+
+from copienator import EvaluationWorkspace, atomic_write_json, read_json
+from copienator.filesystem import staged_files
+
+RESTART_WARNING = (
+    "Appelez « Nouvelle reprise » seulement après avoir importé les résultats "
+    "de la reprise en cours et exécuté « Mettre à jour les copies finales ». "
+    "Cette consigne s’applique aussi à « Refaire la même sélection »."
+)
+
+
+def _identifier() -> str:
+    return f"reprise-{datetime.now().astimezone():%Y%m%d-%H%M%S}-{uuid.uuid4().hex[:8]}"
+
+
+def begin_pass(
+    workspace: EvaluationWorkspace,
+    state: dict[str, Any],
+    *,
+    keep_selection: bool,
+) -> tuple[dict[str, Any], str]:
+    """Activate a pass atomically with its selection and reset GUI state.
+
+    Existing review files remain in place. Legacy BRnot is copied once into
+    the archive; failures before activation leave the old pass active.
+    """
+    selection = read_json(workspace.refaire_file, default=[])
+    previous = workspace.refaire_session_dir
+    if previous is None and (
+        workspace.refaire_file.exists() or workspace.annotation_dir("refaire").exists()
+    ):
+        previous = workspace.root / "Reprises" / _identifier()
+        previous.mkdir(parents=True)
+        legacy = workspace.annotation_dir("refaire")
+        if legacy.is_dir():
+            shutil.copytree(legacy, previous / "BRnot")
+    if previous is not None:
+        atomic_write_json(previous / "refaire.json", selection)
+        atomic_write_json(
+            previous / "progression.json",
+            {
+                name: entry
+                for name, entry in state.get("steps", {}).items()
+                if name.startswith("refaire_")
+            },
+        )
+
+    ident = _identifier()
+    directory = workspace.root / "Reprises" / ident
+    directory.mkdir(parents=True)
+    new_selection = selection if keep_selection else []
+    updated = copy.deepcopy(state)
+    values = dict(
+        updated.get("steps", {}).get("refaire_selection", {}).get("values", {})
+    )
+    values["selection"] = new_selection
+    updated["steps"] = {
+        name: entry
+        for name, entry in updated.get("steps", {}).items()
+        if not name.startswith("refaire_")
+    }
+    updated["steps"]["refaire_selection"] = {"values": values}
+    updated.setdefault("history", []).append(
+        {
+            "step": "refaire_selection",
+            "action": "repeat" if keep_selection else "new",
+            "session": ident,
+            "timestamp": datetime.now().astimezone().isoformat(),
+        }
+    )
+    atomic_write_json(directory / "refaire.json", new_selection)
+    atomic_write_json(directory / "session.json", {"id": ident, "values": values})
+    with staged_files(workspace.root) as staging:
+        atomic_write_json(staging / workspace.refaire_file.name, new_selection)
+        atomic_write_json(staging / workspace.gui_state_file.name, updated)
+        atomic_write_json(staging / "refaire-session.json", {"id": ident})
+    return updated, ident

tests/test_gui_refaire.py

@@ -194,6 +194,49 @@ class RefaireGuiTests(unittest.TestCase):
             [self.root / "Sol", self.root / "Persp"],
         )
 
+    def test_restart_actions_warn_reset_and_preserve_or_clear_selection(self):
+        self.save_selection()
+        self.app.state_store.update_step("refaire_merge", status="success")
+        self.app.state_store.update_step("annotation", status="success")
+        selection = read_json(self.root / "refaire.json")
+        with patch(
+            "copienator_gui.app.messagebox.askyesno", return_value=False
+        ) as confirm:
+            self.app._start_refaire_pass(False)
+        self.assertIn("importé", confirm.call_args.args[1])
+        self.assertIn("Mettre à jour", confirm.call_args.args[1])
+        self.assertEqual(read_json(self.root / "refaire.json"), selection)
+        with patch("copienator_gui.app.messagebox.askyesno", return_value=True):
+            self.app._start_refaire_pass(True)
+        self.app.update()
+        self.assertEqual(self.app.current_step.id, "refaire_selection")
+        self.assertEqual(self.app.refaire_panel.values()["selection"], selection)
+        self.assertIsNone(self.app.state_store.step("refaire_merge").get("status"))
+        self.assertEqual(self.app.state_store.step("annotation")["status"], "success")
+        first = self.app.state_store.workspace.refaire_session_id
+        with patch(
+            "copienator_gui.app.messagebox.askyesno", return_value=True
+        ) as confirm:
+            self.app._start_refaire_pass(False)
+        self.app.update()
+        self.assertIn("n’est pas marquée comme fusionnée", confirm.call_args.args[1])
+        self.assertEqual(self.app.refaire_panel.entries, {})
+        self.assertEqual(read_json(self.root / "refaire.json"), [])
+        self.assertNotEqual(self.app.state_store.workspace.refaire_session_id, first)
+        self.assertEqual(self.app.refaire_panel.source_var.get(), "Anot")
+
+    def test_restart_is_blocked_while_a_command_is_active(self):
+        self.save_selection()
+        self.app.active_step_id = "refaire_correct"
+        with (
+            patch("copienator_gui.app.messagebox.showwarning") as warning,
+            patch("copienator_gui.app.messagebox.askyesno") as confirm,
+        ):
+            self.app._start_refaire_pass(False)
+        warning.assert_called_once()
+        confirm.assert_not_called()
+        self.assertIsNone(self.app.state_store.workspace.refaire_session_id)
+
     def test_small_window_keeps_selection_accessible_by_scrolling(self):
         self.select("refaire_selection")
         self.app.geometry("900x640")

tests/test_refaire_sessions.py

@@ -0,0 +1,205 @@
+from __future__ import annotations
+
+import copy
+import shutil
+import tempfile
+import unittest
+from pathlib import Path
+from unittest.mock import patch
+
+from PIL import Image
+
+from copienator import EvaluationWorkspace, ExitCode, atomic_write_json, read_json
+from copienator.annotation_data import AnnotationLoadResult
+from copienator.commands import annotating_with_checks as checks
+from copienator.commands import export, import_annotations
+from copienator.commands import reading_grouped_annotations as reader
+from copienator_gui.refaire_sessions import begin_pass
+
+
+class RefaireSessionTests(unittest.TestCase):
+    def setUp(self):
+        self.temp = tempfile.TemporaryDirectory()
+        self.root = Path(self.temp.name) / "Exam"
+        self.root.mkdir()
+        self.workspace = EvaluationWorkspace(self.root)
+        atomic_write_json(self.workspace.refaire_file, [["Copie01", ["Ex 1"]]])
+        (self.root / "BRnot/Copie01").mkdir(parents=True)
+        (self.root / "BRnot/Copie01/Concat_annotated.pdf").write_bytes(b"legacy return")
+        self.state = {
+            "steps": {
+                "annotation": {"status": "success"},
+                "refaire_selection": {
+                    "status": "success",
+                    "values": {
+                        "selection": [["Copie01", ["Ex 1"]]],
+                        "annotation_dir": "Anot",
+                        "layout": "grouped",
+                    },
+                },
+                "refaire_merge": {"status": "success"},
+            },
+            "history": [],
+        }
+        atomic_write_json(self.workspace.gui_state_file, self.state)
+
+    def tearDown(self):
+        self.temp.cleanup()
+
+    def test_new_then_repeat_preserve_each_pass_and_reset_only_redo_progress(self):
+        state, first = begin_pass(self.workspace, self.state, keep_selection=False)
+        self.assertEqual(
+            state["steps"]["annotation"], self.state["steps"]["annotation"]
+        )
+        self.assertNotIn("refaire_merge", state["steps"])
+        self.assertEqual(state["steps"]["refaire_selection"]["values"]["selection"], [])
+        self.assertEqual(
+            state["steps"]["refaire_selection"]["values"]["layout"], "grouped"
+        )
+        self.assertEqual(read_json(self.workspace.refaire_file), [])
+        archives = [
+            path for path in (self.root / "Reprises").iterdir() if path.name != first
+        ]
+        self.assertEqual(len(archives), 1)
+        self.assertEqual(
+            (archives[0] / "BRnot/Copie01/Concat_annotated.pdf").read_bytes(),
+            b"legacy return",
+        )
+        selection = [["Copie02", ["Ex 2"]]]
+        atomic_write_json(self.workspace.refaire_file, selection)
+        first_output = self.workspace.annotation_dir("refaire")
+        first_output.mkdir(parents=True)
+        (first_output / "review.pdf").write_bytes(b"first review")
+        state["steps"]["refaire_merge"] = {"status": "success"}
+        updated, second = begin_pass(self.workspace, state, keep_selection=True)
+        self.assertNotEqual(first, second)
+        self.assertEqual(read_json(self.workspace.refaire_file), selection)
+        self.assertEqual(
+            updated["steps"]["refaire_selection"]["values"]["selection"], selection
+        )
+        self.assertEqual((first_output / "review.pdf").read_bytes(), b"first review")
+        self.assertEqual(read_json(first_output.parent / "refaire.json"), selection)
+        self.assertNotIn("status", updated["steps"]["refaire_selection"])
+        self.assertEqual(
+            self.workspace.annotation_dir("refaire"),
+            self.root / "Reprises" / second / "BRnot",
+        )
+        reloaded = EvaluationWorkspace(self.root)
+        self.assertEqual(reloaded.refaire_session_id, second)
+
+    def test_failed_activation_leaves_current_pass_and_state_unchanged(self):
+        before = copy.deepcopy(self.state)
+        with (
+            patch(
+                "copienator_gui.refaire_sessions.staged_files",
+                side_effect=OSError("disk unavailable"),
+            ),
+            self.assertRaises(OSError),
+        ):
+            begin_pass(self.workspace, self.state, keep_selection=False)
+        self.assertIsNone(self.workspace.refaire_session_id)
+        self.assertEqual(read_json(self.workspace.gui_state_file), before)
+        self.assertEqual(
+            read_json(self.workspace.refaire_file), [["Copie01", ["Ex 1"]]]
+        )
+        self.assertEqual(self.state, before)
+        self.assertEqual(
+            (self.root / "BRnot/Copie01/Concat_annotated.pdf").read_bytes(),
+            b"legacy return",
+        )
+
+    def test_exports_are_unique_and_old_returns_cannot_enter_new_pass(self):
+        export_root = Path(self.temp.name) / "Export"
+        import_root = Path(self.temp.name) / "Import"
+        import_root.mkdir()
+        state, first = begin_pass(self.workspace, self.state, keep_selection=True)
+        for expected_id in (first, None):
+            if expected_id is None:
+                state, second = begin_pass(self.workspace, state, keep_selection=True)
+                expected_id = second
+            output = self.workspace.annotation_dir("refaire") / "Ex 1 G1"
+            output.mkdir(parents=True)
+            (output / "Concat.pdf").write_bytes(expected_id.encode())
+            with patch.object(export, "EXPORT_DIR", export_root):
+                self.assertEqual(
+                    export.run(self.workspace, refaire=True), ExitCode.SUCCESS
+                )
+            exported = (
+                export_root / "Exam" / expected_id / f"{expected_id}__Ex 1 G1.pdf"
+            )
+            self.assertEqual(exported.read_bytes(), expected_id.encode())
+            if expected_id == first:
+                (import_root / exported.name).write_bytes(b"old return")
+        current = self.workspace.annotation_dir("refaire") / "Ex 1 G1"
+        with patch.object(import_annotations, "IMPORT_DIR", import_root):
+            self.assertEqual(
+                import_annotations.run(self.workspace, refaire=True), ExitCode.PARTIAL
+            )
+            self.assertFalse((current / "Concat_annotated.pdf").exists())
+            (import_root / f"{second}__Ex 1 G1.pdf").write_bytes(b"new return")
+            self.assertEqual(
+                import_annotations.run(self.workspace, refaire=True), ExitCode.SUCCESS
+            )
+        self.assertEqual((current / "Concat_annotated.pdf").read_bytes(), b"new return")
+        self.workspace.require_directories("BRnot")
+
+    def test_generation_and_merge_follow_the_active_pass(self):
+        for directory in ("Copies", "Par label", "Anot"):
+            (self.root / directory).mkdir()
+        (self.root / "labels").write_text("Ex 1\n")
+        atomic_write_json(self.root / "correction.json", {})
+        answer = self.root / "answer.pdf"
+        answer.touch()
+        loaded = AnnotationLoadResult(
+            {
+                "01": {
+                    "Ex 1": {
+                        "pdf_path": answer,
+                        "result": {"score": 2, "feedback": []},
+                        "coordinates": (0, 0),
+                    }
+                }
+            },
+            [],
+        )
+        begin_pass(self.workspace, self.state, keep_selection=True)
+        with (
+            patch.object(checks, "load_annotation_data", return_value=loaded),
+            patch.object(reader, "load_annotation_data", return_value=loaded),
+            patch.object(
+                checks.annotating,
+                "make_base_image",
+                return_value=(Image.new("RGB", (100, 100), "white"), 0, 0),
+            ),
+            patch.object(
+                checks.annotating,
+                "compose_label_image",
+                return_value=(Image.new("RGB", (100, 100), "white"), 0),
+            ),
+        ):
+            self.assertEqual(
+                checks.run(self.workspace, self.root, refaire=True, overwrite=True),
+                ExitCode.SUCCESS,
+            )
+            output = self.workspace.annotation_dir("refaire") / "Copie01"
+            shutil.copy2(output / "Concat.pdf", output / "Concat_annotated.pdf")
+            self.assertEqual(
+                reader.run(self.workspace, refaire=True, annotation_dir="Anot"),
+                ExitCode.SUCCESS,
+            )
+        self.assertEqual(
+            read_json(self.root / "Anot/Copie01/score.json"), {"Ex 1": "2"}
+        )
+        self.assertEqual(
+            (self.root / "BRnot/Copie01/Concat_annotated.pdf").read_bytes(),
+            b"legacy return",
+        )
+
+    def test_invalid_session_id_cannot_escape_workspace(self):
+        atomic_write_json(self.root / "refaire-session.json", {"id": "../elsewhere"})
+        with self.assertRaises(ValueError):
+            self.workspace.annotation_dir("refaire")
+
+
+if __name__ == "__main__":
+    unittest.main()