feat(ui): show stems for extension-less files

src/tagstudio/qt/widgets/item_thumb.py

@@ -205,11 +205,11 @@ def __init__(
         self.thumb_button = ThumbButton(self.thumb_container, thumb_size)
         self.renderer = ThumbRenderer(self.lib)
         self.renderer.updated.connect(
-            lambda timestamp, image, size, filename, ext: (
+            lambda timestamp, image, size, filename: (
                 self.update_thumb(timestamp, image=image),
                 self.update_size(timestamp, size=size),
                 self.set_filename_text(filename),
-                self.set_extension(ext),  # type: ignore
+                self.set_extension(filename),
             )
         )
         self.thumb_button.setFlat(True)
@@ -365,13 +365,13 @@ def set_mode(self, mode: ItemType | None) -> None:
             self.item_type_badge.setHidden(False)
         self.mode = mode
 
-    def set_extension(self, ext: str) -> None:
+    def set_extension(self, filename: Path) -> None:
+        ext = filename.suffix
         if ext and ext.startswith(".") is False:
             ext = "." + ext
         media_types: set[MediaType] = MediaCategories.get_types(ext)
         if (
-            ext
-            and not MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_TYPES)
+            not MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_TYPES)
             or MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_RAW_TYPES)
             or MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_VECTOR_TYPES)
             or MediaCategories.is_ext_in_category(ext, MediaCategories.ADOBE_PHOTOSHOP_TYPES)
@@ -386,7 +386,7 @@ def set_extension(self, ext: str) -> None:
             ]
         ):
             self.ext_badge.setHidden(False)
-            self.ext_badge.setText(ext.upper()[1:])
+            self.ext_badge.setText(ext.upper()[1:] or filename.stem.upper())
             if MediaType.VIDEO in media_types or MediaType.AUDIO in media_types:
                 self.count_badge.setHidden(False)
         else:

src/tagstudio/qt/widgets/preview/file_attributes.py

@@ -131,7 +131,7 @@ def update_date_label(self, filepath: Path | None = None) -> None:
             self.date_created_label.setHidden(True)
             self.date_modified_label.setHidden(True)
 
-    def update_stats(self, filepath: Path | None = None, ext: str = ".", stats: dict | None = None):
+    def update_stats(self, filepath: Path | None = None, stats: dict | None = None):
         """Render the panel widgets with the newest data from the Library."""
         if not stats:
             stats = {}
@@ -145,6 +145,7 @@ def update_stats(self, filepath: Path | None = None, ext: str = ".", stats: dict
             self.dimensions_label.setText("")
             self.dimensions_label.setHidden(True)
         else:
+            ext = filepath.suffix.lower()
             self.library_path = self.library.library_dir
             display_path = filepath
             if self.driver.settings.show_filepath == ShowFilepathOption.SHOW_FULL_PATHS:
@@ -188,8 +189,7 @@ def update_stats(self, filepath: Path | None = None, ext: str = ".", stats: dict
             height_px_text = stats.get("height", "")
             duration_text = stats.get("duration", "")
             font_family = stats.get("font_family", "")
-            if ext:
-                ext_display = ext.upper()[1:]
+            ext_display = ext.upper()[1:] or filepath.stem.upper()
             if filepath:
                 try:
                     file_size = format_size(filepath.stat().st_size)

src/tagstudio/qt/widgets/preview/preview_thumb.py

@@ -242,11 +242,12 @@ def _display_fallback_image(self, filepath: Path, ext: str) -> dict[str, int]:
             self.devicePixelRatio(),
             update_on_ratio_change=True,
         )
-        return self._update_image(filepath, ext)
+        return self._update_image(filepath)
 
-    def _update_image(self, filepath: Path, ext: str) -> dict[str, int]:
+    def _update_image(self, filepath: Path) -> dict[str, int]:
         """Update the static image preview from a filepath."""
         stats: dict[str, int] = {}
+        ext = filepath.suffix.lower()
         self.switch_preview("image")
 
         image: Image.Image | None = None
@@ -380,8 +381,9 @@ def _update_media(self, filepath: Path, type: MediaType) -> dict[str, int]:
         stats["duration"] = self.media_player.player.duration() * 1000
         return stats
 
-    def update_preview(self, filepath: Path, ext: str) -> dict[str, int]:
+    def update_preview(self, filepath: Path) -> dict[str, int]:
         """Render a single file preview."""
+        ext = filepath.suffix.lower()
         stats: dict[str, int] = {}
 
         # Video
@@ -394,7 +396,7 @@ def update_preview(self, filepath: Path, ext: str) -> dict[str, int]:
         elif MediaCategories.is_ext_in_category(
             ext, MediaCategories.AUDIO_TYPES, mime_fallback=True
         ):
-            self._update_image(filepath, ext)
+            self._update_image(filepath)
             stats = self._update_media(filepath, MediaType.AUDIO)
             self.thumb_renderer.render(
                 time.time(),
@@ -413,7 +415,7 @@ def update_preview(self, filepath: Path, ext: str) -> dict[str, int]:
         # Other Types (Including Images)
         else:
             # TODO: Get thumb renderer to return this stuff to pass on
-            stats = self._update_image(filepath, ext)
+            stats = self._update_image(filepath)
 
             self.thumb_renderer.render(
                 time.time(),

src/tagstudio/qt/widgets/preview_panel.py

@@ -145,11 +145,10 @@ def update_widgets(self, update_preview: bool = True) -> bool:
                 entry: Entry = self.lib.get_entry(self.driver.selected[0])
                 entry_id = self.driver.selected[0]
                 filepath: Path = self.lib.library_dir / entry.path
-                ext: str = filepath.suffix.lower()
 
                 if update_preview:
-                    stats: dict = self.thumb.update_preview(filepath, ext)
-                    self.file_attrs.update_stats(filepath, ext, stats)
+                    stats: dict = self.thumb.update_preview(filepath)
+                    self.file_attrs.update_stats(filepath, stats)
                 self.file_attrs.update_date_label(filepath)
                 self.fields.update_from_entry(entry_id)
                 self.update_add_tag_button(entry_id)

src/tagstudio/qt/widgets/thumb_renderer.py

@@ -89,7 +89,7 @@ class ThumbRenderer(QObject):
 
     rm: ResourceManager = ResourceManager()
     cache: CacheManager = CacheManager()
-    updated = Signal(float, QPixmap, QSize, Path, str)
+    updated = Signal(float, QPixmap, QSize, Path)
     updated_ratio = Signal(float)
 
     cached_img_res: int = 256  # TODO: Pull this from config
@@ -1300,15 +1300,13 @@ def fetch_cached_image(folder: Path):
                     math.ceil(image.size[1] / pixel_ratio),
                 ),
                 filepath,
-                filepath.suffix.lower(),
             )
         else:
             self.updated.emit(
                 timestamp,
                 QPixmap(),
                 QSize(*base_size),
                 filepath,
-                filepath.suffix.lower(),
             )
 
     def _render(