v1.0.2: multi-episode rename (S01E01-E02), VERSION file, docs

Made-with: Cursor

engine/rules.py

@@ -201,14 +201,14 @@ class NumberingRule(Rule):
         return stem, ext
 
 
-# Episode renumber: match SxxExx or similar, replace episode number only, keep title
+# Episode renumber: match SxxExx or SxxExx-Eyy, replace episode block; keep title
 @dataclass
 class EpisodeRenumberRule(Rule):
     start: int = 1
     step: int = 1
     padding: int = 2
-    # Pattern: group 1 = prefix (e.g. "S01E"), group 2 = episode digits, group 3 = rest (title)
-    pattern: str = r"(.*?[Ss]\d+[Ee])(\d+)(.*)"
+    # Group 1 = prefix (e.g. "S01E"), 2 = first ep digits, 3 = full "-E06" or None, 4 = second ep if range, 5 = rest (title)
+    pattern: str = r"(.*?[Ss]\d+[Ee])(\d+)(-[Ee](\d+))?(.*)"
 
     def apply(
         self,
@@ -224,10 +224,36 @@ class EpisodeRenumberRule(Rule):
             return stem, ext
         if not m:
             return stem, ext
-        prefix, _old_ep, rest = m.group(1), m.group(2), m.group(3)
-        ep_num = self.start + index * self.step
-        ep_str = str(ep_num).zfill(max(1, self.padding))
-        new_stem = f"{prefix}{ep_str}{rest}"
+        prefix, old_first_s, range_dash_e, old_second_s, rest = (
+            m.group(1),
+            m.group(2),
+            m.group(3),
+            m.group(4),
+            m.group(5),
+        )
+        try:
+            old_first = int(old_first_s)
+        except ValueError:
+            return stem, ext
+        span = 1
+        if old_second_s is not None:
+            try:
+                old_second = int(old_second_s)
+            except ValueError:
+                return stem, ext
+            span = old_second - old_first + 1
+            if span < 1:
+                span = 1
+        ep_new_first = self.start + index * self.step
+        pad = max(1, self.padding)
+        e1 = str(ep_new_first).zfill(pad)
+        if span <= 1:
+            new_stem = f"{prefix}{e1}{rest}"
+        else:
+            ep_new_last = ep_new_first + span - 1
+            e2 = str(ep_new_last).zfill(pad)
+            # Match common style: S01E01-E02 (second block uses E again)
+            new_stem = f"{prefix}{e1}-E{e2}{rest}"
         return new_stem, ext