feat: QQ音乐歌词功能

common/qdes.py

@@ -0,0 +1,32 @@
+# ----------------------------------------
+# - mode: python - 
+# - author: helloplhm-qwq - 
+# - name: qdes.py - 
+# - project: lx-music-api-server - 
+# - license: MIT - 
+# ----------------------------------------
+# This file is part of the "lx-music-api-server" project.
+
+from .log import log
+from . import variable
+import binascii
+import zlib
+
+logger = log('qdes')
+
+try:
+    from .natives import qdes
+    variable.qdes_lib_loaded = True
+except:
+    try:
+        import qdes
+        variable.qdes_lib_loaded = True
+    except:
+        logger.warning('QRC解密库qdes加载失败, 可能为不支持当前系统, QRC相关的逐字歌词获取将无法使用')
+
+def qdes_decrypt(qrc):
+    if variable.qdes_lib_loaded:
+        decoded = zlib.decompress(qdes.LyricDecode(binascii.unhexlify(qrc.encode('utf-8')))).decode('utf-8')
+        return decoded
+    else:
+        raise ModuleNotFoundError('qdes解密库未被加载')