Rewrite

librespot/structure.py

@@ -0,0 +1,72 @@
+from __future__ import annotations
+import typing
+
+if typing.TYPE_CHECKING:
+    from librespot.audio import AbsChunkedInputStream
+    from librespot.audio.format import SuperAudioFormat
+    from librespot.crypto import Packet
+    from librespot.mercury import MercuryClient
+    from librespot.proto import Metadata_pb2 as Metadata
+
+
+class AudioDecrypt:
+    def decrypt_chunk(self, chunk_index: int, buffer: bytes):
+        raise NotImplementedError
+
+    def decrypt_time_ms(self):
+        raise NotImplementedError
+
+
+class AudioQualityPicker:
+    def get_file(self, files: typing.List[Metadata.AudioFile]) -> Metadata.AudioFile:
+        raise NotImplementedError
+
+
+class Closeable:
+    def close(self) -> None:
+        raise NotImplementedError
+
+
+class GeneralAudioStream:
+    def stream(self) -> AbsChunkedInputStream:
+        raise NotImplementedError
+
+    def codec(self) -> SuperAudioFormat:
+        raise NotImplementedError
+
+    def describe(self) -> str:
+        raise NotImplementedError
+
+    def decrypt_time_ms(self) -> int:
+        raise NotImplementedError
+
+
+class GeneralWritableStream:
+    def write_chunk(self, buffer: bytearray, chunk_index: int, cached: bool):
+        raise NotImplementedError
+
+
+class HaltListener:
+    def stream_read_halted(self, chunk: int, _time: int) -> None:
+        raise NotImplementedError
+
+    def stream_read_resumed(self, chunk: int, _time: int) -> None:
+        raise NotImplementedError
+
+
+class NoopAudioDecrypt(AudioDecrypt):
+    def decrypt_chunk(self, chunk_index: int, buffer: bytes):
+        raise NotImplementedError
+
+    def decrypt_time_ms(self):
+        return 0
+
+
+class PacketsReceiver:
+    def dispatch(self, packet: Packet):
+        raise NotImplementedError
+
+
+class SubListener:
+    def event(self, resp: MercuryClient.Response) -> None:
+        raise NotImplementedError