refactor: lazy load credentials for testing

lrx_cli/authenticators/musixmatch.py

@@ -15,8 +15,8 @@ from ..cache import CacheEngine
 from ..config import (
     HTTP_TIMEOUT,
     MUSIXMATCH_TOKEN_URL,
-    MUSIXMATCH_USERTOKEN,
     MUSIXMATCH_COOLDOWN_MS,
+    credentials,
 )
 
 _MXM_HEADERS = {"Cookie": "x-mxm-token-guid="}
@@ -105,8 +105,8 @@ class MusixmatchAuthenticator(BaseAuthenticator):
 
     async def _get_token(self) -> Optional[str]:
         """Return a valid token: env var > memory > DB > fresh fetch."""
-        if MUSIXMATCH_USERTOKEN:
-            return MUSIXMATCH_USERTOKEN
+        if credentials.MUSIXMATCH_USERTOKEN:
+            return credentials.MUSIXMATCH_USERTOKEN
 
         if self._cached_token:
             return self._cached_token

lrx_cli/authenticators/qqmusic.py

@@ -7,7 +7,7 @@ Description: QQ Music API authenticator - currently only a proxy
 from typing import Optional
 
 from .base import BaseAuthenticator
-from ..config import QQ_MUSIC_API_URL
+from ..config import credentials
 
 
 class QQMusicAuthenticator(BaseAuthenticator):
@@ -19,7 +19,7 @@ class QQMusicAuthenticator(BaseAuthenticator):
         return "qqmusic"
 
     def is_configured(self) -> bool:
-        return bool(QQ_MUSIC_API_URL)
+        return bool(credentials.QQ_MUSIC_API_URL)
 
     async def authenticate(self) -> Optional[str]:
-        return QQ_MUSIC_API_URL
+        return credentials.QQ_MUSIC_API_URL

lrx_cli/authenticators/spotify.py

@@ -18,9 +18,9 @@ from ..config import (
     HTTP_TIMEOUT,
     SPOTIFY_SERVER_TIME_URL,
     SPOTIFY_SECRET_URL,
-    SPOTIFY_SP_DC,
     SPOTIFY_TOKEN_URL,
     UA_BROWSER,
+    credentials,
 )
 
 _SPOTIFY_BASE_HEADERS = {
@@ -43,7 +43,7 @@ class SpotifyAuthenticator(BaseAuthenticator):
         return "spotify"
 
     def is_configured(self) -> bool:
-        return bool(SPOTIFY_SP_DC)
+        return bool(credentials.SPOTIFY_SP_DC)
 
     @staticmethod
     def _generate_totp(server_time_s: int, secret: str) -> str:
@@ -133,14 +133,16 @@ class SpotifyAuthenticator(BaseAuthenticator):
         if db_token and time.time() < self._token_expires_at - 30:
             return db_token
 
-        if not SPOTIFY_SP_DC:
-            logger.error("Spotify: SPOTIFY_SP_DC env var not set — cannot authenticate")
+        if not credentials.SPOTIFY_SP_DC:
+            logger.error(
+                "Spotify: settings.SPOTIFY_SP_DC env var not set — cannot authenticate"
+            )
             return None
 
         headers = {
             "User-Agent": UA_BROWSER,
             "Accept": "*/*",
-            "Cookie": f"sp_dc={SPOTIFY_SP_DC}",
+            "Cookie": f"sp_dc={credentials.SPOTIFY_SP_DC}",
             **_SPOTIFY_BASE_HEADERS,
         }