typing improvement for ComInterface

src/tmtccmd/com/__init__.py

@@ -2,10 +2,10 @@
 """Communication module. Provides generic abstraction for communication and commonly used
 concrete implementations."""
 
-from abc import abstractmethod, ABC
-from typing import Any, List, Optional
+from __future__ import annotations
 
-from tmtccmd.tmtc.common import TelemetryListT
+from abc import abstractmethod, ABC
+from typing import Any, Optional
 
 
 class ReceptionDecodeError(Exception):
@@ -61,14 +61,14 @@ def close(self, args: Any = 0):
         """
 
     @abstractmethod
-    def send(self, data: bytes):
+    def send(self, data: bytes | bytearray):
         """Send raw data.
 
         :raises SendError: Sending failed for some reason.
         """
 
     @abstractmethod
-    def receive(self, parameters: Any = 0) -> List[bytes]:
+    def receive(self, parameters: Any = 0) -> list[bytes]:
         """Returns a list of received packets. The child class can use a separate thread to poll for
         the packets or use some other mechanism and container like a deque to store packets
         to be returned here.

src/tmtccmd/com/dummy.py

@@ -2,7 +2,9 @@
 external hardware or an extra socket
 """
 
-from typing import List, Optional
+from __future__ import annotations
+
+from typing import Optional
 
 from deprecated.sphinx import deprecated
 from spacepackets.ccsds.time import CdsShortTimestamp
@@ -133,9 +135,9 @@ def data_available(self, timeout: float = 0, parameters: any = 0):
             return True
         return False
 
-    def receive(self, parameters: any = 0) -> List[bytes]:
+    def receive(self, parameters: any = 0) -> list[bytes]:
         return self.dummy_handler.receive_reply_package()
 
-    def send(self, data: bytes):
+    def send(self, data: bytes | bytearray):
         if data is not None:
             self.dummy_handler.insert_telecommand(data)

src/tmtccmd/com/serial_cobs.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import collections
 import logging
 import threading
@@ -49,7 +50,7 @@ def close(self, args: any = None) -> None:
         self.__reception_thread.join(0.4)
         super().close_port()
 
-    def send(self, data: bytes):
+    def send(self, data: bytes | bytearray):
         encoded = bytearray([0])
         encoded.extend(cobs.encode(data))
         encoded.append(0)

src/tmtccmd/com/serial_dle.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import dataclasses
 import logging
 import threading
@@ -87,7 +88,7 @@ def close(self, args: any = None) -> None:
         self.__reception_thread.join(0.4)
         super().close_port()
 
-    def send(self, data: bytes):
+    def send(self, data: bytes | bytearray):
         encoded_data = self.__encoder.encode(source_packet=data, add_stx_etx=True)
         self.serial.write(encoded_data)
 

src/tmtccmd/com/tcp.py

@@ -1,5 +1,7 @@
 """TCP communication interface"""
 
+from __future__ import annotations
+
 import logging
 import queue
 import socket
@@ -8,7 +10,7 @@
 import threading
 import select
 from collections import deque
-from typing import Any, List, Optional, Sequence
+from typing import Any, Optional, Sequence
 
 from spacepackets.ccsds.spacepacket import parse_space_packets, PacketId
 
@@ -123,10 +125,10 @@ def close(self, args: any = None) -> None:
                 self.__connected = False
         self.__tcp_socket = None
 
-    def send(self, data: bytes):
+    def send(self, data: bytes | bytearray):
         self.__tc_queue.put(data)
 
-    def receive(self, poll_timeout: float = 0) -> List[bytes]:
+    def receive(self, poll_timeout: float = 0) -> list[bytes]:
         self.__tm_queue_to_packet_list()
         tm_packet_list = self.tm_packet_list
         self.tm_packet_list = []

src/tmtccmd/com/udp.py

@@ -1,5 +1,7 @@
 """UDP Communication Interface"""
 
+from __future__ import annotations
+
 import logging
 import select
 import socket
@@ -64,7 +66,7 @@ def close(self, args: any = None) -> None:
         if self.udp_socket is not None:
             self.udp_socket.close()
 
-    def send(self, data: bytes):
+    def send(self, data: bytes | bytearray):
         if self.udp_socket is None:
             return
         bytes_sent = self.udp_socket.sendto(data, self.send_address.to_tuple)