Miscs improvements (Interro02)

copienator/utils.py

@@ -160,23 +160,38 @@ def compile_to_pdf(text, output_pdf_path):
         # env['TEXINPUTS'] = f".:{current_dir}:"
 
         try:
-            subprocess.run(
+            result = subprocess.run(
                 ['pdflatex', '-interaction=nonstopmode', tex_filename],
                 cwd=temp_dir,
-                stdout=subprocess.DEVNULL,
-                stderr=subprocess.DEVNULL,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.STDOUT,
+                text=True,
                 check=False
             )
             if "minted" in text:
-                subprocess.run(
+                result = subprocess.run(
                     ['pdflatex', '-interaction=nonstopmode', tex_filename],
                     cwd=temp_dir,
-                    stdout=subprocess.DEVNULL,
-                    stderr=subprocess.DEVNULL,
+                    stdout=subprocess.PIPE,
+                    stderr=subprocess.STDOUT,
+                    text=True,
                     check=False)
 
+            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 ""
+                print(
+                    f"Warning: LaTeX compilation failed for {output_pdf_path} "
+                    f"(exit code {result.returncode}){detail}"
+                )
+
             generated_pdf = os.path.join(temp_dir, pdf_filename)
             if os.path.exists(generated_pdf):
                 shutil.move(generated_pdf, output_pdf_path)
+            else:
+                print(f"Warning: LaTeX compilation produced no PDF for {output_pdf_path}")
         except Exception as e:
             print(f"Compilation error for {output_pdf_path}: {e}")