Remove Literal type hint (Need py >= 3.8)

[python-musicpd.git] / musicpd.py

diff --git a/musicpd.py b/musicpd.py
index 61b8b6ffeebc01167d1c47bb83c9c86020b5c3d7..e779355ae24bf9fa00a49729e055e2ba0dee2f3f 100644 (file)
--- a/musicpd.py
+++ b/musicpd.py
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2012-2022  kaliko <kaliko@azylum.org>
+# SPDX-FileCopyrightText: 2012-2023  kaliko <kaliko@azylum.org>
 # SPDX-FileCopyrightText: 2021       Wonko der Verständige <wonko@hanstool.org>
 # SPDX-FileCopyrightText: 2019       Naglis Jonaitis <naglis@mailbox.org>
 # SPDX-FileCopyrightText: 2019       Bart Van Loon <bbb@bbbart.be>
@@ -13,7 +13,7 @@ import os
 from functools import wraps
 # Type hint for python <= 3.8
 from typing import Any, Dict, List, Tuple
-from typing import Literal, Optional, Union
+from typing import Optional, Union
 
 HELLO_PREFIX = "OK MPD "
 ERROR_PREFIX = "ACK "
@@ -155,6 +155,8 @@ class MPDClient:
         #: Current connection timeout value, defaults to
         #: :py:obj:`CONNECTION_TIMEOUT` or env. var. ``MPD_TIMEOUT`` if provided
         self.mpd_timeout: Union[None,int] = None
+        #: Protocol version as exposed by the server
+        self.mpd_version: str = ''
         self._reset()
         self._commands = {
             # Status Commands
@@ -416,7 +418,7 @@ class MPDClient:
             amount -= len(result)
         return bytes(chunk)
 
-    def _read_line(self, binary: Literal[True,False] = False):
+    def _read_line(self, binary: bool = False):
         if binary:
             line = self._rbfile.readline().decode('utf-8')
         else:
@@ -437,7 +439,7 @@ class MPDClient:
             return None
         return line
 
-    def _read_pair(self, separator: str, binary: Literal[True,False] = False):
+    def _read_pair(self, separator: str, binary: bool = False):
         line = self._read_line(binary=binary)
         if line is None:
             return None
@@ -446,7 +448,7 @@ class MPDClient:
             raise ProtocolError(f"Could not parse pair: '{line}'")
         return pair
 
-    def _read_pairs(self, separator=": ", binary: Literal[True,False] =False):
+    def _read_pairs(self, separator=": ", binary: bool =False):
         pair = self._read_pair(separator, binary=binary)
         while pair:
             yield pair
@@ -589,7 +591,7 @@ class MPDClient:
         self.mpd_version = line[len(HELLO_PREFIX):].strip()
 
     def _reset(self):
-        self.mpd_version = None
+        self.mpd_version = ''
         self._iterating = False
         self._pending = []
         self._command_list = None