Release v1.0.14: stop passing match results through Qt signals.

Store worker results on the thread object, defer preview refresh, and log Python errors to crash.log to prevent native Qt crashes after TheTVDB match.

Co-authored-by: Cursor <[email protected]>

VERSION

@@ -1 +1 @@
-1.0.9
+1.0.14

engine/episode_match.py

@@ -27,6 +27,34 @@ DEFAULT_EPISODE_PATTERN = PATTERN_SXXEXX.pattern
 class EpisodeTarget:
     season: int
     episode: int
+    episode_end: Optional[int] = None
+
+    @property
+    def span(self) -> int:
+        if self.episode_end is not None and self.episode_end > self.episode:
+            return self.episode_end - self.episode + 1
+        return 1
+
+    def format_code(self, padding: int = 2) -> str:
+        pad = max(1, padding)
+        s = str(self.season).zfill(pad)
+        e1 = str(self.episode).zfill(pad)
+        if self.episode_end is not None and self.episode_end > self.episode:
+            e2 = str(self.episode_end).zfill(pad)
+            return f"S{s}E{e1}-E{e2}"
+        return f"S{s}E{e1}"
+
+
+def target_to_tuple(target: EpisodeTarget) -> tuple[int, ...]:
+    """Plain tuple safe to pass through Qt signals."""
+    if target.episode_end is not None and target.episode_end > target.episode:
+        return (target.season, target.episode, target.episode_end)
+    return (target.season, target.episode)
+
+
+def split_combined_title(name: str) -> list[str]:
+    """Split a combined-order episode title like 'Ep A/Ep B' into parts."""
+    return [p.strip() for p in name.replace(" / ", "/").split("/") if p.strip()]
 
 
 def normalize_title(title: str) -> str:
@@ -48,6 +76,13 @@ def _clean_title(rest: str) -> str:
         title = title[1:].strip()
     if title.startswith("_"):
         title = title[1:].strip()
+    title = re.sub(
+        r"\(\s*(?:2160p|1080p|720p|480p|4k|uhd|hd|sd|web[- ]?dl|bluray|dvdrip)\s*\)",
+        "",
+        title,
+        flags=re.IGNORECASE,
+    )
+    title = re.sub(r"\s+", " ", title).strip()
     return title
 
 
@@ -131,7 +166,9 @@ def rewrite_episode_stem(
     pad = max(1, padding)
     new_season = target.season
     new_ep = target.episode
-    title = parsed["title"]
+    if target.episode_end is not None and target.episode_end > target.episode:
+        span = target.episode_end - target.episode + 1
+    else:
         span = parsed["span"]
 
     if parsed["format"] == "nxnn":
@@ -181,41 +218,173 @@ def _similarity(a: str, b: str) -> float:
     return SequenceMatcher(None, a, b).ratio()
 
 
-def _coerce_target(value: EpisodeTarget | tuple[int, int] | int, parsed: dict) -> EpisodeTarget:
+def _coerce_target(
+    value: EpisodeTarget | tuple[int, ...] | int,
+    parsed: dict,
+) -> EpisodeTarget:
     if isinstance(value, EpisodeTarget):
         return value
     if isinstance(value, tuple):
+        if len(value) >= 3:
+            return EpisodeTarget(
+                season=int(value[0]),
+                episode=int(value[1]),
+                episode_end=int(value[2]) if value[2] is not None else None,
+            )
+        if len(value) >= 2:
             return EpisodeTarget(season=int(value[0]), episode=int(value[1]))
+        return EpisodeTarget(season=parsed["season"], episode=int(value[0]))
     return EpisodeTarget(season=parsed["season"], episode=int(value))
 
 
+def resolve_combined_to_official(
+    combined_ep: TvdbEpisode,
+    official_episodes: list[TvdbEpisode],
+) -> Optional[EpisodeTarget]:
+    """Map a combined-order episode to official aired SxxExx(-Exx) numbers."""
+    parts = split_combined_title(combined_ep.name)
+    if not parts:
+        return None
+    matched: list[int] = []
+    season = combined_ep.season_number
+    season_official = [ep for ep in official_episodes if ep.season_number == season]
+    for part in parts:
+        pn = normalize_title(part)
+        best_num: Optional[int] = None
+        best_score = 0.0
+        for ep in season_official:
+            score = _similarity(pn, normalize_title(ep.name))
+            if score > best_score:
+                best_score = score
+                best_num = ep.number
+        if best_num is not None and best_score >= 0.72:
+            matched.append(best_num)
+    if not matched:
+        return None
+    start, end = min(matched), max(matched)
+    return EpisodeTarget(
+        season=season,
+        episode=start,
+        episode_end=end if end > start else None,
+    )
+
+
+def _combined_title_variants(name: str) -> list[str]:
+    variants = [normalize_title(name.replace("/", " ")), normalize_title(name)]
+    for part in split_combined_title(name):
+        variants.append(normalize_title(part))
+    return variants
+
+
+def _combined_match_score(fnorm: str, combined_name: str, file_title: str = "") -> float:
+    variants = _combined_title_variants(combined_name)
+    best = max((_similarity(fnorm, v) for v in variants), default=0.0)
+    if file_title and _dual_title_matches_combined(file_title, combined_name):
+        best = max(best, 0.96)
+    return best
+
+
+def _dual_title_matches_combined(file_title: str, combined_name: str) -> bool:
+    """True when the filename lists both stories in a combined-order pair."""
+    file_parts = [p.strip() for p in re.split(r"\s+-\s+", file_title) if p.strip()]
+    combined_parts = split_combined_title(combined_name)
+    if len(file_parts) < 2 or len(combined_parts) < 2:
+        return False
+    matched = 0
+    for fp in file_parts[: len(combined_parts)]:
+        fn = normalize_title(fp)
+        if max(_similarity(fn, normalize_title(cp)) for cp in combined_parts) >= 0.72:
+            matched += 1
+    return matched >= 2
+
+
+def _combined_allowed_for_file(
+    parsed: dict,
+    target: EpisodeTarget,
+    combined_name: str = "",
+) -> bool:
+    """Treat as multi-episode when the episode tag or dual title fits the aired range."""
+    if target.span <= 1:
+        return True
+    if parsed.get("span", 1) > 1:
+        return True
+    file_title = parsed.get("title") or ""
+    if combined_name and _dual_title_matches_combined(file_title, combined_name):
+        return True
+    file_ep = parsed.get("old_first")
+    if file_ep is None:
+        return False
+    end = target.episode_end if target.episode_end is not None else target.episode
+    return file_ep == target.episode or file_ep == end
+
+
+def _range_overlaps(
+    season: int,
+    start: int,
+    end: int,
+    used_ranges: list[tuple[int, int, int]],
+) -> bool:
+    for s, a, b in used_ranges:
+        if s != season:
+            continue
+        if not (end < a or start > b):
+            return True
+    return False
+
+
+def _target_range(target: EpisodeTarget) -> tuple[int, int, int]:
+    end = target.episode_end if target.episode_end is not None else target.episode
+    return target.season, target.episode, end
+
+
+def _apply_season_hint(score: float, target: EpisodeTarget, parsed: dict) -> float:
+    """Prefer matches in the same season as the filename's episode code."""
+    file_season = parsed.get("season")
+    if file_season is None:
+        return score
+    if target.season == file_season:
+        return score + 0.08
+    return score * 0.5
+
+
 def match_filenames_to_episodes(
     filenames: list[str],
     episodes: list[TvdbEpisode],
     pattern: str = DEFAULT_EPISODE_PATTERN,
     min_score: float = 0.65,
     season_filter: int = 0,
+    official_episodes: Optional[list[TvdbEpisode]] = None,
+    combined_episodes: Optional[list[TvdbEpisode]] = None,
 ) -> tuple[dict[str, EpisodeTarget], list[str], list[str]]:
     """
     Match filenames to TheTVDB episodes by title.
 
     season_filter: 0 = use all episodes; else only episodes from that season.
-    Returns mapping filename -> (season, episode), unmatched list, notes.
+    official_episodes + combined_episodes: when set, also match combined-order titles
+    and map to official aired numbers as Jellyfin multi-episode ranges (S01E01-E02).
+    Returns mapping filename -> target, unmatched list, notes.
     """
     if season_filter > 0:
         episodes = [ep for ep in episodes if ep.season_number == season_filter]
 
+    official = official_episodes or episodes
+    if season_filter > 0:
+        official = [ep for ep in official if ep.season_number == season_filter]
+    combined = combined_episodes
+    if combined and season_filter > 0:
+        combined = [ep for ep in combined if ep.season_number == season_filter]
+
     file_entries: list[tuple[str, str, str, dict]] = []
     for name in filenames:
         base = Path(name).name
         stem = base.rsplit(".", 1)[0] if "." in base and not base.startswith(".") else base
         parsed = parse_episode_stem(stem, pattern)
-        if not parsed or not parsed["title"]:
+        if not parsed:
             continue
         if season_filter > 0 and parsed["season"] != season_filter:
             continue
-        norm = normalize_title(parsed["title"])
-        if norm:
+        norm = normalize_title(parsed["title"]) if parsed["title"] else ""
+        if norm or parsed.get("span", 1) > 1:
             file_entries.append((name, norm, parsed["title"], parsed))
 
     ep_entries = [
@@ -223,33 +392,88 @@ def match_filenames_to_episodes(
         for ep in episodes
     ]
 
-    pairs: list[tuple[float, str, int, int, str, str]] = []
-    for fname, fnorm, raw_title, _parsed in file_entries:
-        for season, ep_num, enorm, ep_name in ep_entries:
-            score = _similarity(fnorm, enorm)
-            pairs.append((score, fname, season, ep_num, raw_title, ep_name))
+    combined_entries: list[tuple[TvdbEpisode, EpisodeTarget, list[str]]] = []
+    if combined:
+        for cep in combined:
+            target = resolve_combined_to_official(cep, official)
+            if target is None:
+                continue
+            combined_entries.append((cep, target, _combined_title_variants(cep.name)))
 
-    pairs.sort(key=lambda x: (-x[0], x[1], x[2], x[3]))
+    pairs: list[tuple[float, str, EpisodeTarget, str, str]] = []
+    for fname, fnorm, raw_title, parsed in file_entries:
+        file_season = parsed.get("season")
+        if season_filter == 0 and file_season is not None:
+            season_eps = [e for e in ep_entries if e[0] == file_season]
+            season_combined = [
+                (cep, target, variants)
+                for cep, target, variants in combined_entries
+                if target.season == file_season
+            ]
+        else:
+            season_eps = ep_entries
+            season_combined = combined_entries
+
+        for season, ep_num, enorm, ep_name in season_eps:
+            if not fnorm:
+                continue
+            score = _apply_season_hint(
+                _similarity(fnorm, enorm),
+                EpisodeTarget(season=season, episode=ep_num),
+                parsed,
+            )
+            pairs.append(
+                (
+                    score,
+                    fname,
+                    EpisodeTarget(season=season, episode=ep_num),
+                    raw_title,
+                    ep_name,
+                )
+            )
+        for _cep, target, variants in season_combined:
+            if not fnorm:
+                continue
+            if not _combined_allowed_for_file(parsed, target, _cep.name):
+                continue
+            best = _combined_match_score(fnorm, _cep.name, raw_title)
+            best = _apply_season_hint(best, target, parsed)
+            pairs.append((best, fname, target, raw_title, _cep.name))
+
+    pairs.sort(key=lambda x: (-x[0], -x[2].span, x[1], x[2].season, x[2].episode))
 
     mapping: dict[str, EpisodeTarget] = {}
     used_files: set[str] = set()
-    used_eps: set[tuple[int, int]] = set()
+    used_ranges: list[tuple[int, int, int]] = []
     notes: list[str] = []
 
-    for score, fname, season, ep_num, raw_title, ep_name in pairs:
+    multi_file_names = {
+        fname for fname, _fnorm, _raw, parsed in file_entries if parsed.get("span", 1) > 1
+    }
+
+    def _assign_pairs(candidates: list[tuple[float, str, EpisodeTarget, str, str]]) -> None:
+        for score, fname, target, raw_title, ep_name in candidates:
             if score < min_score:
                 break
-        ep_key = (season, ep_num)
-        if fname in used_files or ep_key in used_eps:
+            if fname in used_files:
                 continue
-        mapping[fname] = EpisodeTarget(season=season, episode=ep_num)
+            season, start, end = _target_range(target)
+            if _range_overlaps(season, start, end, used_ranges):
+                continue
+            mapping[fname] = target
             used_files.add(fname)
-        used_eps.add(ep_key)
-        pct = int(round(score * 100))
+            used_ranges.append((season, start, end))
+            pct = min(100, int(round(score * 100)))
+            code = target.format_code()
             notes.append(
-            f"{fname}: S{season:02d}E{ep_num:02d} ← “{ep_name}” ({pct}% match, file title “{raw_title}”)"
+                f"{fname}: {code} ← “{ep_name}” ({pct}% match, file title “{raw_title}”)"
             )
 
+    multi_pairs = [p for p in pairs if p[1] in multi_file_names]
+    other_pairs = [p for p in pairs if p[1] not in multi_file_names]
+    _assign_pairs(multi_pairs)
+    _assign_pairs(other_pairs)
+
     unmatched_files = [
         name for name in filenames
         if name not in mapping

engine/tvdb_client.py

@@ -20,10 +20,16 @@ SEASON_TYPE_CHOICES: list[tuple[str, str]] = [
     ("Official / aired order", "official"),
     ("DVD order", "dvd"),
     ("Absolute order", "absolute"),
-    ("Alternate order", "alternate"),
+    ("Combined order (multi-episode files)", "alternate"),
     ("Regional order", "regional"),
 ]
 
+# Language path segment for /series/{id}/episodes/{season-type}/{language}
+LANGUAGE_CHOICES: list[tuple[str, str]] = [
+    ("Default (show language)", ""),
+    ("English", "eng"),
+]
+
 
 @dataclass(frozen=True)
 class TvdbSeries:
@@ -154,37 +160,74 @@ class TvdbClient:
             )
         return results
 
-    def get_season_episodes(
+    def _episodes_path(self, series_id: int, season_type: str, language: str = "") -> str:
+        base = f"/series/{series_id}/episodes/{season_type}"
+        if language:
+            return f"{base}/{language}"
+        return base
+
+    def _parse_episode_batch(
         self,
-        series_id: int,
-        season: int,
-        season_type: str = "default",
+        batch: list[dict[str, Any]],
+        *,
+        season: Optional[int] = None,
+        skip_specials: bool = False,
     ) -> list[TvdbEpisode]:
         episodes: list[TvdbEpisode] = []
-        page = 0
-        while True:
-            payload = self._request(
-                "GET",
-                f"/series/{series_id}/episodes/{season_type}",
-                params={"page": page, "season": season},
-            )
-            batch = (payload.get("data") or {}).get("episodes") or []
-            if not batch:
-                break
         for ep in batch:
-                if ep.get("seasonNumber") != season:
-                    continue
+            ep_season = ep.get("seasonNumber")
             number = ep.get("number")
             name = ep.get("name")
-                if number is None or not name:
+            if number is None or ep_season is None or not name:
+                continue
+            ep_season = int(ep_season)
+            if skip_specials and ep_season == 0:
+                continue
+            if season is not None and ep_season != season:
                 continue
             episodes.append(
                 TvdbEpisode(
                     number=int(number),
-                        season_number=int(season),
+                    season_number=ep_season,
                     name=str(name),
                 )
             )
+        return episodes
+
+    def _fetch_episodes(
+        self,
+        series_id: int,
+        season_type: str,
+        *,
+        season: Optional[int] = None,
+        language: str = "",
+        skip_specials: bool = False,
+    ) -> list[TvdbEpisode]:
+        """Fetch episodes; optional translated titles via language code (e.g. eng)."""
+        episodes: list[TvdbEpisode] = []
+        page = 0
+        max_pages = 50
+        use_api_season = season is not None and not language
+        while page < max_pages:
+            params: dict[str, Any] = {"page": page}
+            if use_api_season:
+                params["season"] = season
+            payload = self._request(
+                "GET",
+                self._episodes_path(series_id, season_type, language),
+                params=params,
+            )
+            batch = (payload.get("data") or {}).get("episodes") or []
+            if not batch:
+                break
+            filter_season = season if language else None
+            episodes.extend(
+                self._parse_episode_batch(
+                    batch,
+                    season=filter_season,
+                    skip_specials=skip_specials,
+                )
+            )
             links = payload.get("links") or {}
             if not links.get("next"):
                 break
@@ -192,41 +235,30 @@ class TvdbClient:
         episodes.sort(key=lambda e: (e.season_number, e.number))
         return episodes
 
+    def get_season_episodes(
+        self,
+        series_id: int,
+        season: int,
+        season_type: str = "default",
+        language: str = "",
+    ) -> list[TvdbEpisode]:
+        return self._fetch_episodes(
+            series_id,
+            season_type,
+            season=season,
+            language=language,
+        )
+
     def get_all_episodes(
         self,
         series_id: int,
         season_type: str = "default",
+        language: str = "",
     ) -> list[TvdbEpisode]:
         """Fetch every episode for a series (all seasons), paginated."""
-        episodes: list[TvdbEpisode] = []
-        page = 0
-        while True:
-            payload = self._request(
-                "GET",
-                f"/series/{series_id}/episodes/{season_type}",
-                params={"page": page},
+        return self._fetch_episodes(
+            series_id,
+            season_type,
+            language=language,
+            skip_specials=True,
         )
-            batch = (payload.get("data") or {}).get("episodes") or []
-            if not batch:
-                break
-            for ep in batch:
-                number = ep.get("number")
-                season = ep.get("seasonNumber")
-                name = ep.get("name")
-                if number is None or season is None or not name:
-                    continue
-                if int(season) == 0:
-                    continue
-                episodes.append(
-                    TvdbEpisode(
-                        number=int(number),
-                        season_number=int(season),
-                        name=str(name),
-                    )
-                )
-            links = payload.get("links") or {}
-            if not links.get("next"):
-                break
-            page += 1
-        episodes.sort(key=lambda e: (e.season_number, e.number))
-        return episodes

gui/main_window.py

@@ -25,7 +25,7 @@ from PyQt6.QtWidgets import (
     QCheckBox,
     QComboBox,
 )
-from PyQt6.QtCore import Qt, QDir, QItemSelectionModel, QSettings
+from PyQt6.QtCore import Qt, QDir, QItemSelectionModel, QSettings, QTimer
 from PyQt6.QtGui import QFont, QColor
 
 from engine.pipeline import compute_preview, perform_renames, save_undo_log, load_undo_log, perform_undo
@@ -54,6 +54,7 @@ class MainWindow(QMainWindow):
         self._file_names: list[str] = []
         self._preview_by_orig: dict[str, str] = {}  # original name -> new name for selection preview
         self._split: QSplitter | None = None
+        self._preview_refresh_scheduled = False
         self._setup_ui()
         self._restore_layout()
         self._refresh_preview()
@@ -129,7 +130,7 @@ class MainWindow(QMainWindow):
             if hasattr(w, "set_file_names"):
                 w.set_file_names(self._file_names)
             if hasattr(w, "matchCompleted"):
-                w.matchCompleted.connect(self._refresh_preview)
+                w.matchCompleted.connect(self._schedule_refresh_preview)
             g = QGroupBox(title)
             g_layout = QVBoxLayout(g)
             g_layout.setContentsMargins(8, 12, 8, 8)
@@ -274,6 +275,19 @@ class MainWindow(QMainWindow):
             display_name = self._preview_by_orig.get(orig, orig) if row in selected_rows else orig
             self.preview_table.setItem(row, 1, QTableWidgetItem(display_name))
 
+    def _schedule_refresh_preview(self):
+        if self._preview_refresh_scheduled:
+            return
+        self._preview_refresh_scheduled = True
+        QTimer.singleShot(0, self._run_scheduled_refresh)
+
+    def _run_scheduled_refresh(self):
+        self._preview_refresh_scheduled = False
+        try:
+            self._refresh_preview()
+        except Exception as exc:
+            self.preview_status.setText(f"Preview error: {exc}")
+
     def _refresh_preview(self):
         rules = self._get_rules()
         if not self._file_names:

gui/rule_widgets.py

@@ -31,8 +31,8 @@ from engine.rules import (
     PrefixSuffixRule,
     CsvMappingRule,
 )
-from engine.tvdb_client import TvdbClient, TvdbError, TVDB_API_KEY, SEASON_TYPE_CHOICES
-from engine.episode_match import match_filenames_to_episodes
+from engine.tvdb_client import TvdbClient, TvdbError, TVDB_API_KEY, SEASON_TYPE_CHOICES, LANGUAGE_CHOICES
+from engine.episode_match import match_filenames_to_episodes, target_to_tuple
 
 
 class ReplaceRuleWidget(QWidget):
@@ -310,18 +310,19 @@ class EpisodeRenumberRuleWidget(QWidget):
 
 
 class _TvdbSearchWorker(QThread):
-    finished = pyqtSignal(list)
+    search_done = pyqtSignal()
     failed = pyqtSignal(str)
 
     def __init__(self, query: str):
         super().__init__()
         self.query = query
+        self.results: list = []
 
     def run(self):
         try:
             client = TvdbClient(TVDB_API_KEY)
-            results = client.search_series(self.query)
-            self.finished.emit(results)
+            self.results = client.search_series(self.query)
+            self.search_done.emit()
         except TvdbError as e:
             self.failed.emit(str(e))
         except Exception as e:
@@ -329,7 +330,7 @@ class _TvdbSearchWorker(QThread):
 
 
 class _TvdbMatchWorker(QThread):
-    finished = pyqtSignal(dict, list, list)
+    match_done = pyqtSignal()
     failed = pyqtSignal(str)
 
     def __init__(
@@ -339,6 +340,8 @@ class _TvdbMatchWorker(QThread):
         season_type: str,
         filenames: list[str],
         all_seasons: bool,
+        multi_episode: bool,
+        language: str,
     ):
         super().__init__()
         self.series_id = series_id
@@ -346,36 +349,106 @@ class _TvdbMatchWorker(QThread):
         self.season_type = season_type
         self.filenames = filenames
         self.all_seasons = all_seasons
+        self.multi_episode = multi_episode
+        self.language = language
+        self.mapping: dict[str, tuple[int, ...]] = {}
+        self.unmatched: list[str] = []
 
     def run(self):
         try:
             client = TvdbClient(TVDB_API_KEY)
+            lang = self.language
+            season_filter = 0 if self.all_seasons else self.season
+            need_official = self.multi_episode or self.season_type == "alternate"
+
             if self.all_seasons:
                 episodes = client.get_all_episodes(
                     self.series_id,
                     season_type=self.season_type,
+                    language=lang,
                 )
-                season_filter = 0
             else:
                 episodes = client.get_season_episodes(
                     self.series_id,
                     self.season,
                     season_type=self.season_type,
+                    language=lang,
                 )
-                season_filter = self.season
-            if not episodes:
+
+            if self.season_type == "alternate":
+                if self.all_seasons:
+                    official = client.get_all_episodes(
+                        self.series_id, season_type="official", language=lang,
+                    )
+                else:
+                    official = client.get_season_episodes(
+                        self.series_id,
+                        self.season,
+                        season_type="official",
+                        language=lang,
+                    )
+                episodes = official
+            elif need_official:
+                if self.season_type == "official":
+                    official = episodes
+                elif self.all_seasons:
+                    official = client.get_all_episodes(
+                        self.series_id, season_type="official", language=lang,
+                    )
+                else:
+                    official = client.get_season_episodes(
+                        self.series_id,
+                        self.season,
+                        season_type="official",
+                        language=lang,
+                    )
+            else:
+                official = episodes
+
+            combined = None
+            if need_official:
+                if self.all_seasons:
+                    combined = client.get_all_episodes(
+                        self.series_id,
+                        season_type="alternate",
+                        language=lang,
+                    )
+                else:
+                    combined = client.get_season_episodes(
+                        self.series_id,
+                        self.season,
+                        season_type="alternate",
+                        language=lang,
+                    )
+                if not combined and lang:
+                    if self.all_seasons:
+                        combined = client.get_all_episodes(
+                            self.series_id, season_type="alternate",
+                        )
+                    else:
+                        combined = client.get_season_episodes(
+                            self.series_id, self.season, season_type="alternate",
+                        )
+
+            if not episodes and not combined:
                 label = "all seasons" if self.all_seasons else f"season {self.season}"
                 raise TvdbError(f"No episodes found for {label}")
             mapping, unmatched, notes = match_filenames_to_episodes(
                 self.filenames,
                 episodes,
                 season_filter=season_filter,
+                official_episodes=official,
+                combined_episodes=combined,
             )
-            self.finished.emit(mapping, unmatched, notes)
+            self.mapping = {path: target_to_tuple(t) for path, t in mapping.items()}
+            self.unmatched = list(unmatched)
+            del notes
+            self.match_done.emit()
         except TvdbError as e:
             self.failed.emit(str(e))
         except Exception as e:
-            self.failed.emit(str(e))
+            import traceback
+            self.failed.emit(f"{e}\n\n{traceback.format_exc()}")
 
 
 class TvdbEpisodeRenumberRuleWidget(QWidget):
@@ -419,6 +492,13 @@ class TvdbEpisodeRenumberRuleWidget(QWidget):
         self.order_type.currentIndexChanged.connect(self._emit)
         layout.addRow("Episode order:", self.order_type)
 
+        self.title_language = QComboBox()
+        for label, value in LANGUAGE_CHOICES:
+            self.title_language.addItem(label, value)
+        self.title_language.setCurrentIndex(1)  # English — most filenames use it
+        self.title_language.currentIndexChanged.connect(self._emit)
+        layout.addRow("Episode titles:", self.title_language)
+
         self.season = QSpinBox()
         self.season.setMinimum(0)
         self.season.setMaximum(99)
@@ -434,6 +514,15 @@ class TvdbEpisodeRenumberRuleWidget(QWidget):
         self.padding.valueChanged.connect(self._emit)
         layout.addRow("Zero-pad width:", self.padding)
 
+        self.multi_episode_cb = QCheckBox("Multi-episode files (Jellyfin S01E01-E02)")
+        self.multi_episode_cb.setChecked(True)
+        self.multi_episode_cb.setToolTip(
+            "Match combined-order titles from TheTVDB and rename using aired episode ranges, "
+            "e.g. two episodes in one file becomes S01E01-E02."
+        )
+        self.multi_episode_cb.toggled.connect(self._emit)
+        layout.addRow(self.multi_episode_cb)
+
         self.match_btn = QPushButton("Match titles from file list")
         self.match_btn.clicked.connect(self._match_titles)
         layout.addRow(self.match_btn)
@@ -443,7 +532,9 @@ class TvdbEpisodeRenumberRuleWidget(QWidget):
         layout.addRow(self.status)
 
         info = QLabel(
-            "Reads titles from S01E05 - Episode Title or Show 04x01 Episode Title filenames. "
+            "Reads titles from S01E05 - Episode Title, S01E05-E06 (multi-episode), "
+            "or Show 04x01 Episode Title filenames. "
+            "For non-English shows, set Episode titles to English if your filenames use English. "
             "Use All seasons to match across every season and fix wrong season numbers too."
         )
         info.setWordWrap(True)
@@ -459,6 +550,13 @@ class TvdbEpisodeRenumberRuleWidget(QWidget):
         value = self.order_type.currentData()
         return value if value else "default"
 
+    def _language_value(self) -> str:
+        value = self.title_language.currentData()
+        return value if value else ""
+
+    def _language_label(self) -> str:
+        return self.title_language.currentText()
+
     def _emit(self):
         self.ruleChanged.emit()
 
@@ -471,11 +569,12 @@ class TvdbEpisodeRenumberRuleWidget(QWidget):
         self.series_combo.setEnabled(False)
         self.status.setText("Searching TheTVDB…")
         self._search_worker = _TvdbSearchWorker(query)
-        self._search_worker.finished.connect(self._on_search_finished)
+        self._search_worker.search_done.connect(self._on_search_finished)
         self._search_worker.failed.connect(self._on_search_failed)
         self._search_worker.start()
 
-    def _on_search_finished(self, results):
+    def _on_search_finished(self):
+        results = self._search_worker.results if self._search_worker else []
         self._search_results = results
         self.series_combo.clear()
         if not results:
@@ -507,10 +606,13 @@ class TvdbEpisodeRenumberRuleWidget(QWidget):
         series_id = self.series_combo.currentData()
         if series_id is None:
             return
+        if self._match_worker is not None and self._match_worker.isRunning():
+            self.status.setText("Matching already in progress…")
+            return
         self.match_btn.setEnabled(False)
         all_seasons = self.season.value() == 0
         self.status.setText(
-            f"Fetching episodes ({self._order_label()}, "
+            f"Fetching episodes ({self._order_label()}, {self._language_label()}, "
             f"{'all seasons' if all_seasons else f'season {self.season.value()}'}…) and matching titles…"
         )
         self._match_worker = _TvdbMatchWorker(
@@ -519,34 +621,56 @@ class TvdbEpisodeRenumberRuleWidget(QWidget):
             self._order_value(),
             self._file_names,
             all_seasons,
+            self.multi_episode_cb.isChecked(),
+            self._language_value(),
         )
-        self._match_worker.finished.connect(self._on_match_finished)
+        self._match_worker.match_done.connect(self._on_match_finished)
         self._match_worker.failed.connect(self._on_match_failed)
+        self._match_worker.finished.connect(self._on_match_worker_finished)
         self._match_worker.start()
 
-    def _on_match_finished(self, mapping: dict, unmatched: list, notes: list):
-        self._episode_mapping = mapping
+    def _on_match_worker_finished(self):
+        worker = self._match_worker
+        if worker is not None:
+            worker.deleteLater()
+            self._match_worker = None
+
+    def _on_match_finished(self):
+        try:
+            worker = self._match_worker
+            if worker is None:
+                return
+            self._episode_mapping = dict(worker.mapping)
+            unmatched = list(worker.unmatched)
             self.match_btn.setEnabled(True)
-        matched = len(mapping)
+            matched = len(self._episode_mapping)
             total = len(self._file_names)
             scope = "all seasons" if self.season.value() == 0 else f"season {self.season.value()}"
-        msg = f"Matched {matched} of {total} file(s) ({scope}, {self._order_label()})."
+            msg = f"Matched {matched} of {total} file(s) ({scope}, {self._order_label()}, {self._language_label()})."
             if unmatched:
                 msg += f" {len(unmatched)} file(s) unmatched."
             self.status.setText(msg)
             self.matchCompleted.emit()
-        self._emit()
+        except Exception as e:
+            self.match_btn.setEnabled(True)
+            self.status.setText(f"Match error: {e}")
+            QMessageBox.warning(self, "Match error", str(e))
 
     def _on_match_failed(self, message: str):
         self.match_btn.setEnabled(True)
         self.status.setText(f"Match failed: {message}")
 
     def getRule(self) -> TvdbEpisodeRenumberRule:
+        mapping: dict = {}
+        for k, v in self._episode_mapping.items():
+            if isinstance(v, tuple):
+                mapping[k] = v
+            elif hasattr(v, "season"):
+                mapping[k] = target_to_tuple(v)
+            else:
+                mapping[k] = v
         r = TvdbEpisodeRenumberRule(
-            episode_mapping={
-                k: (v.season, v.episode) if hasattr(v, "season") else v
-                for k, v in self._episode_mapping.items()
-            },
+            episode_mapping=mapping,
             padding=self.padding.value(),
         )
         r.enabled = self.enabled_cb.isChecked()

main.py

@@ -4,6 +4,7 @@ HSRename - Native Linux GUI for mass renaming files.
 Inspired by Bulk Rename Utility (Windows); supports preview and flexible rules.
 """
 import sys
+import traceback
 from pathlib import Path
 
 # Ensure project root is on path when run as script or module
@@ -16,7 +17,26 @@ from PyQt6.QtCore import Qt
 from gui.main_window import MainWindow
 
 
+def _install_exception_logger() -> None:
+    log_dir = Path.home() / ".config" / "HSRename"
+    log_dir.mkdir(parents=True, exist_ok=True)
+    log_file = log_dir / "crash.log"
+
+    def _hook(exc_type, exc, tb):
+        try:
+            log_file.write_text(
+                "".join(traceback.format_exception(exc_type, exc, tb)),
+                encoding="utf-8",
+            )
+        except OSError:
+            pass
+        sys.__excepthook__(exc_type, exc, tb)
+
+    sys.excepthook = _hook
+
+
 def main():
+    _install_exception_logger()
     QApplication.setHighDpiScaleFactorRoundingPolicy(
         Qt.HighDpiScaleFactorRoundingPolicy.PassThrough
     )

packaging/release-stamp-1.0.10.txt

@@ -0,0 +1,4 @@
+HSRename 1.0.10
+- Multi-episode files: Jellyfin S01E01-E02 naming from TheTVDB combined order
+- Match combined titles (Ep A/Ep B) and map to official aired episode ranges
+- Combined order option in episode order dropdown; multi-episode toggle on TheTVDB rule

packaging/release-stamp-1.0.11.txt

@@ -0,0 +1,3 @@
+HSRename 1.0.11
+- Fix multi-episode detection when filename uses end episode (S01E06 for E05-E06)
+- Detect dual titles separated by " - " (Otto 3000 - Night Prowler) as combined pairs

packaging/release-stamp-1.0.12.txt

@@ -0,0 +1,3 @@
+HSRename 1.0.12
+- Episode titles language selector (English / show default) for TheTVDB matching
+- Fixes 0 matches on anime and other shows when filenames are English but TheTVDB default is Japanese

packaging/release-stamp-1.0.13.txt

@@ -0,0 +1,4 @@
+HSRename 1.0.13
+- Fix crash during TheTVDB match (safe thread signal payloads, worker re-entry guard)
+- Faster matching by scoping episodes to each file's season
+- Fewer redundant TheTVDB API calls during match

packaging/release-stamp-1.0.14.txt

@@ -0,0 +1,4 @@
+HSRename 1.0.14
+- Fix Qt thread crashes: workers no longer pass dict/list through signals
+- Defer preview refresh after match to avoid re-entrant table updates
+- Log Python exceptions to ~/.config/HSRename/crash.log