Escape some newlines in question extraction

copienator/commands/gemini_for_enonce.py

@@ -8,7 +8,7 @@ from pathlib import Path
 
 from google import genai
 from google.genai import types
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, field_validator
 
 from copienator import configuration as config
 from copienator import utils
@@ -22,7 +22,7 @@ from copienator import (
     workspace_from_args,
 )
 from copienator.platform import validate_windows_labels
-from copienator.latex_json import repair_latex_json
+from copienator.latex_json import repair_latex_json, normalize_literal_newlines
 from copienator.filesystem import staged_directory
 from copienator.utils import compile_to_pdf
 
@@ -43,7 +43,15 @@ MODEL_ID = config.MODEL_LITE_ID
 api_key = config.API_KEY
 
 # --- Modèles pour la Requête 1 ---
-class QuestionOnlyItem(BaseModel):
+class StatementContent(BaseModel):
+    @field_validator("question_content", "solution_content", "context_content",
+                     "rubric_content", "content", check_fields=False)
+    @classmethod
+    def normalize_newlines(cls, value: str) -> str:
+        return normalize_literal_newlines(value)
+
+
+class QuestionOnlyItem(StatementContent):
     label: str = Field(description="Label unique de la question (par exemple '1.a' ou 'Exercice 1').")
     question_content: str = Field(description="Texte source de la question, extrait exactement du fichier d’énoncé, SANS le label lui-même.")
 
@@ -51,7 +59,7 @@ class ExamQuestions(BaseModel):
     questions: list[QuestionOnlyItem]
 
 # --- Modèles pour la Requête 2 ---
-class SolutionOnlyItem(BaseModel):
+class SolutionOnlyItem(StatementContent):
     label: str = Field(description="Label exact de la question fourni en entrée, à conserver sans traduction.")
     solution_content: str = Field(description="Texte source de la solution, extrait exactement du fichier de correction.")
 
@@ -59,7 +67,7 @@ class ExamSolutions(BaseModel):
     solutions: list[SolutionOnlyItem]
 
 # --- Modèles pour la Requête 3 ---
-class ExtractedContext(BaseModel):
+class ExtractedContext(StatementContent):
     target_question_label: str = Field(description="Label exact de la PREMIÈRE question située immédiatement APRÈS cette information dans l’énoncé.")
     last_question_label: str = Field(description="Label exact de la DERNIÈRE question qui utilise cette information.")
     context_content: str = Field(description="Texte source des définitions, notations ou hypothèses, extrait de l’énoncé.")
@@ -68,7 +76,7 @@ class ExamContext(BaseModel):
     contexts: list[ExtractedContext]
 
 # --- Modèles pour la Requête 4 (Barèmes) ---
-class RubricItem(BaseModel):
+class RubricItem(StatementContent):
     label: str = Field(description="Label exact de la question, à conserver sans traduction.")
     rubric_content: str = Field(description="Barème détaillé sur 4 points, en français, avec formules LaTeX. Échapper chaque antislash LaTeX conformément à la syntaxe JSON.")
 
@@ -110,6 +118,8 @@ Exemple d’échappement dans un barème (adapte les clés au schéma demandé)
 Ne confonds pas les commandes LaTeX avec les échappements JSON :
 \\frac, \\rightarrow, \\not, \\theta et \\begin sont des commandes LaTeX ;
 \n est réservé à un véritable saut de ligne du texte.
+N'écris jamais \\n pour un saut de ligne : après décodage JSON, le texte
+doit contenir un véritable saut de ligne, pas une commande LaTeX \n.
 """
 
 
@@ -124,12 +134,12 @@ def validate_rubric_content(content: str) -> str:
     return content
 
 # --- Modèle fusionné (pour le reste du script) ---
-class QuestionItem(BaseModel):
+class QuestionItem(StatementContent):
     label: str
     question_content: str
     solution_content: str
 
-class ContextItem(BaseModel):
+class ContextItem(StatementContent):
     target_question_label: str
     last_question_label: str
     content: str  # Juste une string encapsulée pour le différencier facilement
@@ -915,7 +925,7 @@ def process_exam(
         with open(text_dir / safe_group_filename, "w", encoding="utf-8") as f_text:
             f_text.write("\n".join(text_content_lines))
 
-    print(f"Success! Processed {len(grouped_extraction.groups)} groups.")
+    print(f"Wrote {len(grouped_extraction.groups)} groups; checking PDF compilation...")
     # ==========================================
     # PDF COMPILATION (4 Threads)
     # ==========================================
@@ -926,7 +936,7 @@ def process_exam(
         try:
             content = tex_file.read_text(encoding="utf-8")
             pdf_path = tex_file.with_suffix(".pdf")
-            compile_to_pdf(content, pdf_path)
+            compile_to_pdf(content, pdf_path, strict=True)
         except Exception as e:  # noqa: BLE001 - compiler worker boundary
             return f"Error compiling {tex_file.name}: {e}"
         return None

copienator/utils.py

@@ -142,7 +142,7 @@ import subprocess
 from .configuration import LATEX_AFTER, LATEX_BEFORE
 
 
-def compile_to_pdf(text, output_pdf_path):
+def compile_to_pdf(text, output_pdf_path, *, strict=False):
     """Wraps text in standalone header/footer templates and compiles it to PDF."""
     latex_template = f"{LATEX_BEFORE}{text}{LATEX_AFTER}"
 
@@ -166,6 +166,7 @@ def compile_to_pdf(text, output_pdf_path):
                 stdout=subprocess.PIPE,
                 stderr=subprocess.STDOUT,
                 text=True,
+                encoding="utf-8", errors="replace",
                 check=False
             )
             if "minted" in text:
@@ -175,6 +176,7 @@ def compile_to_pdf(text, output_pdf_path):
                     stdout=subprocess.PIPE,
                     stderr=subprocess.STDOUT,
                     text=True,
+                    encoding="utf-8", errors="replace",
                     check=False)
 
             generated_pdf = os.path.join(temp_dir, pdf_filename)
@@ -183,17 +185,21 @@ def compile_to_pdf(text, output_pdf_path):
                 shutil.move(generated_pdf, output_pdf_path)
 
             if result.returncode != 0:
-                error_lines = [
-                    line.strip() for line in result.stdout.splitlines()
-                    if line.lstrip().startswith("!")
-                ]
-                detail = f": {error_lines[0]}" if error_lines else ""
+                lines = result.stdout.splitlines()
+                first = next((i for i, line in enumerate(lines) if line.lstrip().startswith("!")), None)
+                detail = "\n" + "\n".join(lines[first:first + 5]) if first is not None else ""
                 pdf_status = "a PDF was generated" if pdf_generated else "no PDF was generated"
                 print(
                     f"Warning: LaTeX compilation reported errors for {output_pdf_path} "
                     f"(exit code {result.returncode}; {pdf_status}){detail}"
                 )
+                if strict:
+                    raise RuntimeError(f"LaTeX failed for {output_pdf_path}{detail}")
             elif not pdf_generated:
                 print(f"Warning: LaTeX compilation produced no PDF for {output_pdf_path}")
+                if strict:
+                    raise RuntimeError(f"No PDF generated for {output_pdf_path}")
         except Exception as e:
+            if strict:
+                raise
             print(f"Compilation error for {output_pdf_path}: {e}")

tests/test_utils_compile.py

@@ -10,6 +10,16 @@ from copienator import utils
 
 
 class CompileToPdfTests(unittest.TestCase):
+    def test_strict_compilation_propagates_failure_with_context(self):
+        result = subprocess.CompletedProcess(args=[], returncode=1,
+            stdout="! Undefined control sequence.\nl.13 broken command\n")
+        with tempfile.TemporaryDirectory() as directory, \
+                patch.object(utils.subprocess, "run", return_value=result) as run:
+            with self.assertRaisesRegex(RuntimeError, "LaTeX failed") as error:
+                utils.compile_to_pdf("broken", Path(directory) / "out.pdf", strict=True)
+            self.assertIn("l.13 broken command", str(error.exception))
+            self.assertEqual(run.call_args.kwargs["errors"], "replace")
+
     def test_warns_when_latex_fails_even_if_partial_pdf_exists(self):
         with tempfile.TemporaryDirectory() as temporary:
             output = Path(temporary) / "result.pdf"