All constants are in config

src/river_annotation_tool/config.py

@@ -4,6 +4,22 @@ from pathlib import Path
 import yaml
 
 
+@dataclass
+class FilenameConfig:
+    video_in_zip: str = "left.mp4"
+    video_tmp_suffix: str = ".mp4"
+    zip_extension: str = ".zip"
+    mask: str = "mask.png"
+    metadata: str = "metadata.json"
+    frame: str = "frame.png"
+    overlay: str = "overlay.png"
+    mask_vis: str = "mask_vis.png"
+    gif_original_hires: str = "video_original_hires.gif"
+    gif_original_lowres: str = "video_original_lowres.gif"
+    gif_overlay_hires: str = "video_overlay_hires.gif"
+    gif_overlay_lowres: str = "video_overlay_lowres.gif"
+
+
 @dataclass
 class AppConfig:
     display_max: int = 480
@@ -13,6 +29,7 @@ class AppConfig:
     out_dir: str = "data/annotation_results"
     clips_file: str = "config/clips.txt"
     questions: list = field(default_factory=list)
+    filenames: FilenameConfig = field(default_factory=FilenameConfig)
 
     def get_questions(self):
         return [
@@ -23,7 +40,9 @@ class AppConfig:
                         item["key"],
                         item["label"],
                         [str(o) for o in item["options"]],
-                        str(item["default"]) if item.get("default") is not None else None,
+                        str(item["default"])
+                        if item.get("default") is not None
+                        else None,
                     )
                     for item in s["items"]
                 ],
@@ -35,4 +54,7 @@ class AppConfig:
 def load_config(path: Path) -> AppConfig:
     with open(path) as f:
         data = yaml.safe_load(f)
-    return AppConfig(**data)
+    fn_data = data.pop("filenames", {})
+    cfg = AppConfig(**data)
+    cfg.filenames = FilenameConfig(**fn_data)
+    return cfg