Refactor default parameters for initialization

modules/translation/deepl_api.py

@@ -83,7 +83,7 @@ DEEPL_AVAILABLE_SOURCE_LANGS = {
 
 class DeepLAPI:
     def __init__(self,
-                 output_dir: str
+                 output_dir: str = os.path.join("outputs", "translations")
                  ):
         self.api_interval = 1
         self.max_text_batch_size = 50

modules/translation/nllb_inference.py

@@ -7,8 +7,8 @@ from modules.translation.translation_base import TranslationBase
 
 class NLLBInference(TranslationBase):
     def __init__(self,
-                 model_dir: str,
-                 output_dir: str
+                 model_dir: str = os.path.join("models", "NLLB"),
+                 output_dir: str = os.path.join("outputs", "translations")
                  ):
         super().__init__(
             model_dir=model_dir,

modules/translation/translation_base.py

@@ -11,8 +11,9 @@ from modules.utils.subtitle_manager import *
 
 class TranslationBase(ABC):
     def __init__(self,
-                 model_dir: str,
-                 output_dir: str):
+                 model_dir: str = os.path.join("models", "NLLB"),
+                 output_dir: str = os.path.join("outputs", "translations")
+                 ):
         super().__init__()
         self.model = None
         self.model_dir = model_dir