normalizar-case

processors/case_normalizer.py

@@ -0,0 +1,47 @@
+# processors/case_normalizer.py
+
+import os
+
+from core.constants import IMAGE_EXTENSIONS
+from core.result import StepResult
+
+
+def preview_normalize_case(work_dir: str, mode: str = "lower") -> list[tuple[str, str]]:
+    """Devuelve lista de (nombre_actual, nombre_final) sin modificar nada."""
+    result = []
+    for root, _, files in os.walk(work_dir):
+        for f in files:
+            stem, ext = os.path.splitext(f)
+            if not ext or ext.lower() not in IMAGE_EXTENSIONS:
+                continue
+            target_ext = ext.lower() if mode == "lower" else ext.upper()
+            if ext != target_ext:
+                result.append((f, stem + target_ext))
+    return sorted(result)
+
+
+def normalize_case(work_dir: str, mode: str = "lower") -> StepResult:
+    """
+    Renombra las extensiones de las imágenes en work_dir al case indicado.
+    Solo afecta a extensiones de imagen (IMAGE_EXTENSIONS); ComicInfo.xml y
+    otros ficheros no de imagen quedan intactos.
+    En Linux (FS sensible al case) el rename directo es seguro.
+    """
+    changed = False
+    details = []
+
+    for root, _, files in os.walk(work_dir):
+        for f in files:
+            stem, ext = os.path.splitext(f)
+            if not ext or ext.lower() not in IMAGE_EXTENSIONS:
+                continue
+            target_ext = ext.lower() if mode == "lower" else ext.upper()
+            if ext == target_ext:
+                continue
+            src = os.path.join(root, f)
+            dst = os.path.join(root, stem + target_ext)
+            os.rename(src, dst)
+            details.append(f"{f} → {stem + target_ext}")
+            changed = True
+
+    return StepResult(step="normalize_case", changed=changed, details=details)

processors/checks.py

@@ -155,3 +155,28 @@ def check_comicinfo(names: list[str]) -> StepResult:
     )
     warnings = [] if found else ["Falta ComicInfo.xml"]
     return StepResult(step="check_comicinfo", changed=False, warnings=warnings)
+
+
+def check_extension_case(names: list[str], mode: str = "lower") -> StepResult:
+    """Detecta imágenes cuya extensión no está en el case esperado (lower/upper)."""
+    mismatches = []
+    for name in names:
+        normalized = name.replace("\\", "/")
+        if normalized.endswith("/"):
+            continue
+        basename = normalized.rsplit("/", 1)[-1]
+        _, ext = os.path.splitext(basename)
+        if not ext or ext.lower() not in IMAGE_EXTENSIONS:
+            continue
+        target_ext = ext.lower() if mode == "lower" else ext.upper()
+        if ext != target_ext:
+            mismatches.append(basename)
+
+    if not mismatches:
+        warnings = []
+    elif len(mismatches) <= 3:
+        warnings = [f"Case incorrecto en extensión: {f}" for f in sorted(mismatches)]
+    else:
+        warnings = [f"Case incorrecto en extensión: {len(mismatches)} ficheros"]
+
+    return StepResult(step="check_extension_case", changed=False, warnings=warnings)