Adding option to specify different API for translation (#893)

Makefile

@@ -27,10 +27,14 @@ endif
 
 clean:
 ifeq ($(OS), Windows_NT)
-	del /f buzz\$(LIBWHISPER) 2> nul
-	del /f buzz\whisper_cpp.py 2> nul
-	rmdir /s /q whisper.cpp\build 2> nul
-	rmdir /s /q dist 2> nul
+	-del /f buzz\$(LIBWHISPER) 2> nul
+	-del /f buzz\whisper_cpp.py 2> nul
+	-rmdir /s /q whisper.cpp\build 2> nul
+	-rmdir /s /q dist 2> nul
+	-rm -f buzz/$(LIBWHISPER)
+	-rm -f buzz/whisper_cpp.py
+	-rm -rf whisper.cpp/build || true
+	-rm -rf dist/* || true
 else
 	rm -f buzz/$(LIBWHISPER)
 	rm -f buzz/whisper_cpp.py

buzz/translator.py

@@ -1,3 +1,4 @@
+import os
 import logging
 import queue
 
@@ -35,10 +36,16 @@ def __init__(
         self.queue = queue.Queue()
 
         settings = Settings()
-        custom_openai_base_url = settings.value(
-            key=Settings.Key.CUSTOM_OPENAI_BASE_URL, default_value=""
+        custom_openai_base_url = os.getenv(
+            "BUZZ_TRANSLATION_API_BASE_URl",
+            settings.value(
+                key=Settings.Key.CUSTOM_OPENAI_BASE_URL, default_value=""
+            )
+        )
+        openai_api_key = os.getenv(
+            "BUZZ_TRANSLATION_API_KEY",
+            get_password(Key.OPENAI_API_KEY)
         )
-        openai_api_key = get_password(Key.OPENAI_API_KEY)
         self.openai_client = OpenAI(
             api_key=openai_api_key,
             base_url=custom_openai_base_url if custom_openai_base_url else None

docs/docs/preferences.md

@@ -64,4 +64,8 @@ set SOME_OTHER_VARIABLE=some_other_value
 
 On a laptop with 16 threads setting `BUZZ_WHISPERCPP_N_THREADS=8` leads to some 15% speedup in transcription time. 
 Increasing number of threads even more will lead in slower transcription time as results from parallel threads has to be 
-combined to produce the final answer.
+combined to produce the final answer.
+
+**BUZZ_TRANSLATION_API_BASE_URl** - Base URL of OpenAI compatible API to use for translation. Available from `v1.0.2`.
+
+**BUZZ_TRANSLATION_API_KEY** - Api key of OpenAI compatible API to use for translation. Available from `v1.0.2`.