fix: lambda

src/epub_tts/__main__.py

@@ -28,12 +28,12 @@ import sys
 from pathlib import Path
 from argparse import ArgumentParser
 
-from . import tts_aedocw, tts_edge, tts_generic
+from . import tts_aedocw,  tts_generic
 
 backend = {
     # keys are the backend names, values are the corresponding TTS classes
     "default": tts_generic.GenericTTSBackend,
-    "edge": tts_edge.TTSEdge,
+    "edge": tts_aedocw.TTSEdge,
     # aedocw-backed implementations — these expect the corresponding
     # package "console scripts"/entrypoints to be available in the
     # environment (or an explicit backend_cmd to be provided).

src/epub_tts/tts_generic.py

@@ -60,11 +60,11 @@ class GenericTTSBackend:
         ".ogg": "ogg",
     }
     
-    _INPUT_FLAG_MAP = lambda x: [
+    _INPUT_FLAG_MAP = lambda self, is_dir, path: [
-        "--input-dir", x] if x else ["--input-file", x]
+        "--input-dir", path] if is_dir else ["--input-file", path]
     
-    _OUTPUT_FLAG_MAP = lambda x: [
+    _OUTPUT_FLAG_MAP = lambda self, is_dir, path: [
-        "--output-dir", x] if x else ["--output-file", x]
+        "--output-dir", path] if is_dir else ["--output-file", path]
 
     def __init__(self,**kwargs):
         for k,v in kwargs.items():
@@ -79,11 +79,13 @@ class GenericTTSBackend:
 
 
     def gen_input_flag(self, input_path: Path) -> str:
-        return self._INPUT_FLAG_MAP(self._normalize_path(input_path).is_dir())
+        return self._INPUT_FLAG_MAP(
+            self._normalize_path(input_path).is_dir(), input_path)
 
 
     def gen_output_flag(self, output_path: Path) -> str:
-        return self._OUTPUT_FLAG_MAP(self._normalize_path(output_path).is_dir())
+        return self._OUTPUT_FLAG_MAP(
+            self._normalize_path(output_path).is_dir(), output_path)
 
 
     def _build_command(self, input_source: PathLike, output_dest: PathLike) -> list[str]: