Implement receive queue and UI shutdown handling in app state

contact/__main__.py

@@ -15,6 +15,7 @@ import curses
 import io
 import logging
 import os
+import queue
 import subprocess
 import sys
 import threading
@@ -54,6 +55,8 @@ logging.basicConfig(
 )
 
 app_state.lock = threading.Lock()
+app_state.rx_queue = queue.SimpleQueue()
+app_state.ui_shutdown = False
 
 
 # ------------------------------------------------------------------------------
@@ -149,11 +152,10 @@ def start() -> None:
         sys.exit(0)
 
     try:
+        app_state.ui_shutdown = False
         curses.wrapper(main)
-        interface_state.interface.close()
     except KeyboardInterrupt:
         logging.info("User exited with Ctrl+C")
-        interface_state.interface.close()
         sys.exit(0)
     except Exception as e:
         logging.critical("Fatal error", exc_info=True)
@@ -164,6 +166,13 @@ def start() -> None:
         print("Fatal error:", e)
         traceback.print_exc()
         sys.exit(1)
+    finally:
+        app_state.ui_shutdown = True
+        try:
+            if interface_state.interface is not None:
+                interface_state.interface.close()
+        except Exception:
+            logging.exception("Error while closing interface")
 
 
 if __name__ == "__main__":

contact/message_handlers/rx_handler.py

@@ -2,30 +2,36 @@ import logging
 import os
 import platform
 import shutil
-import time
 import subprocess
 import threading
-from typing import Any, Dict, Optional
- # Debounce notification sounds so a burst of queued messages only plays once.
+import time
+from typing import Any, Dict
+
+import contact.ui.default_config as config
+from contact.utilities.db_handler import (
+    get_name_from_database,
+    maybe_store_nodeinfo_in_db,
+    save_message_to_db,
+    update_node_info_in_db,
+)
+from contact.utilities.singleton import app_state, interface_state, menu_state, ui_state
+from contact.utilities.utils import add_new_message, refresh_node_list
+
+# Debounce notification sounds so a burst of queued messages only plays once.
 _SOUND_DEBOUNCE_SECONDS = 0.8
-_sound_timer: Optional[threading.Timer] = None
+_sound_timer: threading.Timer | None = None
 _sound_timer_lock = threading.Lock()
 _last_sound_request = 0.0
 
 
 def schedule_notification_sound(delay: float = _SOUND_DEBOUNCE_SECONDS) -> None:
-    """Schedule a notification sound after a short quiet period.
-
-    If more messages arrive before the delay elapses, the timer is reset.
-    This prevents playing a sound for each message when a backlog flushes.
-    """
+    """Schedule a notification sound after a short quiet period."""
     global _sound_timer, _last_sound_request
 
     now = time.monotonic()
     with _sound_timer_lock:
         _last_sound_request = now
 
-        # Cancel any previously scheduled sound.
         if _sound_timer is not None:
             try:
                 _sound_timer.cancel()
@@ -34,7 +40,6 @@ def schedule_notification_sound(delay: float = _SOUND_DEBOUNCE_SECONDS) -> None:
             _sound_timer = None
 
         def _fire(expected_request_time: float) -> None:
-            # Only play if nothing newer has been scheduled.
             with _sound_timer_lock:
                 if expected_request_time != _last_sound_request:
                     return
@@ -43,42 +48,20 @@ def schedule_notification_sound(delay: float = _SOUND_DEBOUNCE_SECONDS) -> None:
         _sound_timer = threading.Timer(delay, _fire, args=(now,))
         _sound_timer.daemon = True
         _sound_timer.start()
-from contact.utilities.utils import (
-    refresh_node_list,
-    add_new_message,
-)
-from contact.ui.contact_ui import (
-    draw_packetlog_win,
-    draw_node_list,
-    draw_messages_window,
-    draw_channel_list,
-    add_notification,
-)
-from contact.utilities.db_handler import (
-    save_message_to_db,
-    maybe_store_nodeinfo_in_db,
-    get_name_from_database,
-    update_node_info_in_db,
-)
-import contact.ui.default_config as config
-
-from contact.utilities.singleton import ui_state, interface_state, app_state, menu_state
 
 
-def play_sound():
+def play_sound() -> None:
     try:
         system = platform.system()
         sound_path = None
         executable = None
 
-        if system == "Darwin":  # macOS
+        if system == "Darwin":
             sound_path = "/System/Library/Sounds/Ping.aiff"
             executable = "afplay"
-
         elif system == "Linux":
             ogg_path = "/usr/share/sounds/freedesktop/stereo/complete.oga"
-            wav_path = "/usr/share/sounds/alsa/Front_Center.wav"  # common fallback
-
+            wav_path = "/usr/share/sounds/alsa/Front_Center.wav"
             if shutil.which("paplay") and os.path.exists(ogg_path):
                 executable = "paplay"
                 sound_path = ogg_path
@@ -95,102 +78,127 @@ def play_sound():
             cmd = [executable, sound_path]
             if executable == "ffplay":
                 cmd = [executable, "-nodisp", "-autoexit", sound_path]
-
             subprocess.run(cmd, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-            return
+    except subprocess.CalledProcessError as exc:
+        logging.error("Sound playback failed: %s", exc)
+    except Exception as exc:
+        logging.error("Unexpected error while playing sound: %s", exc)
 
-    except subprocess.CalledProcessError as e:
-        logging.error(f"Sound playback failed: {e}")
-    except Exception as e:
-        logging.error(f"Unexpected error: {e}")
+
+def _decode_message_payload(payload: Any) -> str:
+    if isinstance(payload, bytes):
+        return payload.decode("utf-8", errors="replace")
+    if isinstance(payload, str):
+        return payload
+    return str(payload)
+
+
+def process_receive_event(packet: Dict[str, Any]) -> None:
+    """Process a queued packet on the UI thread and perform all UI updates."""
+    # Local import prevents module-level circular import.
+    from contact.ui.contact_ui import (
+        add_notification,
+        draw_channel_list,
+        draw_messages_window,
+        draw_node_list,
+        draw_packetlog_win,
+    )
+
+    # Update packet log
+    ui_state.packet_buffer.append(packet)
+    if len(ui_state.packet_buffer) > 20:
+        ui_state.packet_buffer = ui_state.packet_buffer[-20:]
+
+    if ui_state.display_log:
+        draw_packetlog_win()
+        if ui_state.current_window == 4:
+            menu_state.need_redraw = True
+
+    decoded = packet.get("decoded")
+    if not isinstance(decoded, dict):
+        return
+
+    changed = refresh_node_list()
+    if changed:
+        draw_node_list()
+
+    portnum = decoded.get("portnum")
+    if portnum == "NODEINFO_APP":
+        user = decoded.get("user")
+        if isinstance(user, dict) and "longName" in user:
+            maybe_store_nodeinfo_in_db(packet)
+        return
+
+    if portnum != "TEXT_MESSAGE_APP":
+        return
+
+    hop_start = packet.get("hopStart", 0)
+    hop_limit = packet.get("hopLimit", 0)
+    hops = hop_start - hop_limit
+
+    if config.notification_sound == "True":
+        schedule_notification_sound()
+
+    message_string = _decode_message_payload(decoded.get("payload"))
+
+    if not ui_state.channel_list:
+        return
+
+    refresh_channels = False
+    refresh_messages = False
+
+    channel_number = packet.get("channel", 0)
+    if not isinstance(channel_number, int):
+        channel_number = 0
+    if channel_number < 0:
+        channel_number = 0
+
+    packet_from = packet.get("from")
+    if packet.get("to") == interface_state.myNodeNum and packet_from is not None:
+        if packet_from not in ui_state.channel_list:
+            ui_state.channel_list.append(packet_from)
+            if packet_from not in ui_state.all_messages:
+                ui_state.all_messages[packet_from] = []
+            update_node_info_in_db(packet_from, chat_archived=False)
+            refresh_channels = True
+        channel_number = ui_state.channel_list.index(packet_from)
+
+    if channel_number >= len(ui_state.channel_list):
+        channel_number = 0
+
+    channel_id = ui_state.channel_list[channel_number]
+
+    if ui_state.selected_channel >= len(ui_state.channel_list):
+        ui_state.selected_channel = 0
+
+    if channel_id != ui_state.channel_list[ui_state.selected_channel]:
+        add_notification(channel_number)
+        refresh_channels = True
+    else:
+        refresh_messages = True
+
+    if packet_from is None:
+        logging.debug("Skipping TEXT_MESSAGE_APP packet with missing 'from' field")
+        return
+
+    message_from_string = get_name_from_database(packet_from, type="short") + ":"
+    add_new_message(channel_id, f"{config.message_prefix} [{hops}] {message_from_string} ", message_string)
+
+    if refresh_channels:
+        draw_channel_list()
+    if refresh_messages:
+        draw_messages_window(True)
+
+    save_message_to_db(channel_id, packet_from, message_string)
 
 
 def on_receive(packet: Dict[str, Any], interface: Any) -> None:
-    """
-    Handles an incoming packet from a Meshtastic interface.
-
-    Args:
-        packet: The received Meshtastic packet as a dictionary.
-        interface: The Meshtastic interface instance that received the packet.
-    """
-    with app_state.lock:
-        # Update packet log
-        ui_state.packet_buffer.append(packet)
-        if len(ui_state.packet_buffer) > 20:
-            # Trim buffer to 20 packets
-            ui_state.packet_buffer = ui_state.packet_buffer[-20:]
-
-        if ui_state.display_log:
-            draw_packetlog_win()
-
-            if ui_state.current_window == 4:
-                menu_state.need_redraw = True
-        try:
-            if "decoded" not in packet:
-                return
-
-            # Assume any incoming packet could update the last seen time for a node
-            changed = refresh_node_list()
-            if changed:
-                draw_node_list()
-
-            if packet["decoded"]["portnum"] == "NODEINFO_APP":
-                if "user" in packet["decoded"] and "longName" in packet["decoded"]["user"]:
-                    maybe_store_nodeinfo_in_db(packet)
-
-            elif packet["decoded"]["portnum"] == "TEXT_MESSAGE_APP":
-                hop_start = packet.get('hopStart', 0)
-                hop_limit = packet.get('hopLimit', 0)
-
-                hops = hop_start - hop_limit
-
-
-                if config.notification_sound == "True":
-                    schedule_notification_sound()
-
-                message_bytes = packet["decoded"]["payload"]
-                message_string = message_bytes.decode("utf-8")
-
-                refresh_channels = False
-                refresh_messages = False
-
-                if packet.get("channel"):
-                    channel_number = packet["channel"]
-                else:
-                    channel_number = 0
-
-                if packet["to"] == interface_state.myNodeNum:
-                    if packet["from"] in ui_state.channel_list:
-                        pass
-                    else:
-                        ui_state.channel_list.append(packet["from"])
-                        if packet["from"] not in ui_state.all_messages:
-                            ui_state.all_messages[packet["from"]] = []
-                        update_node_info_in_db(packet["from"], chat_archived=False)
-                        refresh_channels = True
-
-                    channel_number = ui_state.channel_list.index(packet["from"])
-
-                channel_id = ui_state.channel_list[channel_number]
-
-                if channel_id != ui_state.channel_list[ui_state.selected_channel]:
-                    add_notification(channel_number)
-                    refresh_channels = True
-                else:
-                    refresh_messages = True
-
-                # Add received message to the messages list
-                message_from_id = packet["from"]
-                message_from_string = get_name_from_database(message_from_id, type="short") + ":"
-
-                add_new_message(channel_id, f"{config.message_prefix} [{hops}] {message_from_string} ", message_string)
-
-                if refresh_channels:
-                    draw_channel_list()
-                if refresh_messages:
-                    draw_messages_window(True)
-
-                save_message_to_db(channel_id, message_from_id, message_string)
-
-        except KeyError as e:
-            logging.error(f"Error processing packet: {e}")
+    """Enqueue packet to be processed on the main curses thread."""
+    if app_state.ui_shutdown:
+        return
+    if not isinstance(packet, dict):
+        return
+    try:
+        app_state.rx_queue.put(packet)
+    except Exception:
+        logging.exception("Failed to enqueue packet for UI processing")

contact/ui/contact_ui.py

@@ -1,9 +1,11 @@
 import curses
 import logging
+from queue import Empty
 import time
 import traceback
 from typing import Union
 
+from contact.message_handlers.rx_handler import process_receive_event
 from contact.utilities.utils import get_channels, get_readable_duration, get_time_ago, refresh_node_list
 from contact.settings import settings_menu
 from contact.message_handlers.tx_handler import send_message, send_traceroute
@@ -14,12 +16,11 @@ from contact.utilities.input_handlers import get_list_input
 from contact.utilities.i18n import t
 import contact.ui.default_config as config
 import contact.ui.dialog
-from contact.ui.nav_utils import draw_main_arrows, fit_text, get_msg_window_lines, move_main_highlight, wrap_text
-from contact.utilities.singleton import ui_state, interface_state, menu_state
+from contact.ui.nav_utils import move_main_highlight, draw_main_arrows, get_msg_window_lines, wrap_text
+from contact.utilities.singleton import ui_state, interface_state, menu_state, app_state
 
 
 MIN_COL = 1  # "effectively zero" without breaking curses
-RESIZE_DEBOUNCE_MS = 250
 root_win = None
 
 
@@ -162,22 +163,22 @@ def handle_resize(stdscr: curses.window, firstrun: bool) -> None:
         pass
 
 
-def drain_resize_events(input_win: curses.window) -> Union[str, int, None]:
-    """Wait for resize events to settle and preserve one queued non-resize key."""
-    input_win.timeout(RESIZE_DEBOUNCE_MS)
-    try:
-        while True:
-            try:
-                next_char = input_win.get_wch()
-            except curses.error:
-                return None
+def drain_receive_queue(max_events: int = 200) -> None:
+    processed = 0
+    while processed < max_events:
+        try:
+            packet = app_state.rx_queue.get(block=False)
+        except Empty:
+            return
+        except Exception:
+            logging.exception("Error while draining receive queue")
+            return
 
-            if next_char == curses.KEY_RESIZE:
-                continue
-
-            return next_char
-    finally:
-        input_win.timeout(-1)
+        try:
+            process_receive_event(packet)
+        except Exception:
+            logging.exception("Error while processing receive event")
+        processed += 1
 
 
 def main_ui(stdscr: curses.window) -> None:
@@ -187,20 +188,20 @@ def main_ui(stdscr: curses.window) -> None:
 
     root_win = stdscr
     input_text = ""
-    queued_char = None
     stdscr.keypad(True)
     get_channels()
     handle_resize(stdscr, True)
+    entry_win.timeout(75)
 
     while True:
+        drain_receive_queue()
         draw_text_field(entry_win, f"Message: {(input_text or '')[-(stdscr.getmaxyx()[1] - 10):]}", get_color("input"))
 
         # Get user input from entry window
-        if queued_char is None:
+        try:
             char = entry_win.get_wch()
-        else:
-            char = queued_char
-            queued_char = None
+        except curses.error:
+            continue
 
         # draw_debug(f"Keypress: {char}")
 
@@ -248,9 +249,8 @@ def main_ui(stdscr: curses.window) -> None:
 
         elif char == curses.KEY_RESIZE:
             input_text = ""
-            queued_char = drain_resize_events(entry_win)
             handle_resize(stdscr, False)
-            continue
+            entry_win.timeout(75)
 
         elif char == chr(4):  # Ctrl + D to delete current channel or node
             handle_ctrl_d()
@@ -828,7 +828,9 @@ def draw_channel_list() -> None:
         notification = " " + config.notification_symbol if idx in ui_state.notifications else ""
 
         # Truncate the channel name if it's too long to fit in the window
-        truncated_channel = fit_text(f"{channel}{notification}", win_width - 3, suffix="-")
+        truncated_channel = (
+            (channel[: win_width - 5] + "-" if len(channel) > win_width - 5 else channel) + notification
+        ).ljust(win_width - 3)
 
         color = get_color("channel_list")
         if idx == ui_state.selected_channel:
@@ -934,7 +936,8 @@ def draw_node_list() -> None:
         snr_str = f"  ■  SNR: {node['snr']}dB" if node.get("hopsAway") == 0 and "snr" in node else ""
 
         # Future node name custom formatting possible
-        node_str = fit_text(f"{status_icon} {node_name}", box_width - 2)
+        node_str = f"{status_icon} {node_name}"
+        node_str = node_str.ljust(box_width - 4)[: box_width - 2]
         color = "node_list"
         if "isFavorite" in node and node["isFavorite"]:
             color = "node_favorite"
@@ -1063,16 +1066,9 @@ def draw_packetlog_win() -> None:
             span += column
 
         # Add headers
-        headers = " ".join(
-            [
-                fit_text("From", columns[0]),
-                fit_text("To", columns[1]),
-                fit_text("Port", columns[2]),
-                fit_text("Payload", max(1, width - span - 3)),
-            ]
-        )
+        headers = f"{'From':<{columns[0]}} {'To':<{columns[1]}} {'Port':<{columns[2]}} {'Payload':<{width-span}}"
         packetlog_win.addstr(
-            1, 1, fit_text(headers, width - 2), get_color("log_header", underline=True)
+            1, 1, headers[: width - 2], get_color("log_header", underline=True)
         )  # Truncate headers if they exceed window width
 
         for i, packet in enumerate(reversed(ui_state.packet_buffer)):
@@ -1080,22 +1076,22 @@ def draw_packetlog_win() -> None:
                 break
 
             # Format each field
-            from_id = fit_text(get_name_from_database(packet["from"], "short"), columns[0])
+            from_id = get_name_from_database(packet["from"], "short").ljust(columns[0])
             to_id = (
-                fit_text("BROADCAST", columns[1])
+                "BROADCAST".ljust(columns[1])
                 if str(packet["to"]) == "4294967295"
-                else fit_text(get_name_from_database(packet["to"], "short"), columns[1])
+                else get_name_from_database(packet["to"], "short").ljust(columns[1])
             )
             if "decoded" in packet:
-                port = fit_text(str(packet["decoded"].get("portnum", "")), columns[2])
+                port = str(packet["decoded"].get("portnum", "")).ljust(columns[2])
                 parsed_payload = parse_protobuf(packet)
             else:
-                port = fit_text("NO KEY", columns[2])
+                port = "NO KEY".ljust(columns[2])
                 parsed_payload = "NO KEY"
 
             # Combine and truncate if necessary
             logString = f"{from_id} {to_id} {port} {parsed_payload}"
-            logString = fit_text(logString, width - 3)
+            logString = logString[: width - 3]
 
             # Add to the window
             packetlog_win.addstr(i + 2, 1, logString, get_color("log"))

contact/ui/control_ui.py

@@ -56,13 +56,6 @@ config_folder = os.path.abspath(config.node_configs_file_path)
 # Load translations
 field_mapping, help_text = parse_ini_file(translation_file)
 
-def _is_repeated_field(field_desc) -> bool:
-    """Return True if the protobuf field is repeated. 
-       Protobuf 6.31.0 and later use an is_repeated property, while older versions compare against the label field.
-       """
-    if hasattr(field_desc, "is_repeated"):
-        return bool(field_desc.is_repeated)
-    return field_desc.label == field_desc.LABEL_REPEATED
 
 def reload_translations() -> None:
     global translation_file, field_mapping, help_text
@@ -571,7 +564,7 @@ def settings_menu(stdscr: object, interface: object) -> None:
                         new_value = new_value == "True" or new_value is True
                     menu_state.start_index.pop()
 
-                elif _is_repeated_field(field):  # Handle repeated field - Not currently used
+                elif field.label == field.LABEL_REPEATED:  # Handle repeated field - Not currently used
                     new_value = get_repeated_input(current_value)
                     new_value = current_value if new_value is None else new_value.split(", ")
                     menu_state.start_index.pop()

contact/ui/nav_utils.py

@@ -1,17 +1,13 @@
 import curses
 import re
-import unicodedata
-from typing import Any, Optional, List, Dict
-
-from wcwidth import wcwidth, wcswidth
+from unicodedata import east_asian_width
 
 from contact.ui.colors import get_color
 from contact.utilities.i18n import t
 from contact.utilities.control_utils import transform_menu_path
+from typing import Any, Optional, List, Dict
 from contact.utilities.singleton import interface_state, ui_state
 
-ZWJ = "\u200d"
-
 
 def get_node_color(node_index: int, reverse: bool = False):
     node_num = ui_state.node_list[node_index]
@@ -332,111 +328,7 @@ def get_wrapped_help_text(
 
 
 def text_width(text: str) -> int:
-    width = wcswidth(text)
-    if width >= 0:
-        return width
-    return sum(max(wcwidth(char), 0) for char in text)
-
-
-def _is_regional_indicator(char: str) -> bool:
-    codepoint = ord(char)
-    return 0x1F1E6 <= codepoint <= 0x1F1FF
-
-
-def _is_emoji_modifier(char: str) -> bool:
-    codepoint = ord(char)
-    return 0x1F3FB <= codepoint <= 0x1F3FF
-
-
-def _is_display_modifier(char: str) -> bool:
-    return unicodedata.category(char) in {"Mn", "Mc", "Me"} or _is_emoji_modifier(char)
-
-
-def iter_display_units(text: str) -> List[str]:
-    """Split text into display units so emoji sequences stay intact."""
-    units: List[str] = []
-    index = 0
-
-    while index < len(text):
-        unit = text[index]
-        index += 1
-
-        if _is_regional_indicator(unit) and index < len(text) and _is_regional_indicator(text[index]):
-            unit += text[index]
-            index += 1
-
-        while index < len(text) and _is_display_modifier(text[index]):
-            unit += text[index]
-            index += 1
-
-        while index < len(text) and text[index] == ZWJ and index + 1 < len(text):
-            unit += text[index]
-            index += 1
-            unit += text[index]
-            index += 1
-
-            while index < len(text) and _is_display_modifier(text[index]):
-                unit += text[index]
-                index += 1
-
-        units.append(unit)
-
-    return units
-
-
-def slice_text_to_width(text: str, max_width: int) -> str:
-    """Return the longest prefix that fits within max_width terminal cells."""
-    if max_width <= 0:
-        return ""
-
-    chunk = ""
-    for unit in iter_display_units(text):
-        candidate = chunk + unit
-        if text_width(candidate) > max_width:
-            break
-        chunk = candidate
-
-    return chunk
-
-
-def fit_text(text: str, width: int, suffix: str = "") -> str:
-    """Trim and pad text so its terminal display width fits exactly."""
-    if width <= 0:
-        return ""
-
-    if text_width(text) > width:
-        suffix = slice_text_to_width(suffix, width)
-        available = max(0, width - text_width(suffix))
-        text = slice_text_to_width(text, available).rstrip() + suffix
-
-    padding = max(0, width - text_width(text))
-    return text + (" " * padding)
-
-
-def split_text_to_width(text: str, max_width: int) -> List[str]:
-    """Split text into chunks that each fit within max_width terminal cells."""
-    if max_width <= 0:
-        return [""]
-
-    chunks: List[str] = []
-    chunk = ""
-
-    for unit in iter_display_units(text):
-        candidate = chunk + unit
-        if chunk and text_width(candidate) > max_width:
-            chunks.append(chunk)
-            chunk = unit
-        else:
-            chunk = candidate
-
-        if text_width(chunk) > max_width:
-            chunks.append(slice_text_to_width(chunk, max_width))
-            chunk = ""
-
-    if chunk:
-        chunks.append(chunk)
-
-    return chunks or [""]
+    return sum(2 if east_asian_width(c) in "FW" else 1 for c in text)
 
 
 def wrap_text(text: str, wrap_width: int) -> List[str]:
@@ -454,18 +346,24 @@ def wrap_text(text: str, wrap_width: int) -> List[str]:
     wrap_width -= margin
 
     for word in words:
-        word_chunks = split_text_to_width(word, wrap_width) if text_width(word) > wrap_width else [word]
+        word_length = text_width(word)
 
-        for chunk in word_chunks:
-            chunk_length = text_width(chunk)
-
-            if line_length + chunk_length > wrap_width and chunk.strip():
+        if word_length > wrap_width:  # Break long words
+            if line_buffer:
                 wrapped_lines.append(line_buffer.strip())
                 line_buffer = ""
                 line_length = 0
+            for i in range(0, word_length, wrap_width):
+                wrapped_lines.append(word[i : i + wrap_width])
+            continue
 
-            line_buffer += chunk
-            line_length += chunk_length
+        if line_length + word_length > wrap_width and word.strip():
+            wrapped_lines.append(line_buffer.strip())
+            line_buffer = ""
+            line_length = 0
+
+        line_buffer += word
+        line_length += word_length
 
     if line_buffer:
         wrapped_lines.append(line_buffer.strip())

contact/ui/ui_state.py

@@ -1,3 +1,4 @@
+from queue import SimpleQueue
 from typing import Any, Union, List, Dict
 from dataclasses import dataclass, field
 
@@ -44,3 +45,5 @@ class InterfaceState:
 @dataclass
 class AppState:
     lock: Any = None
+    rx_queue: SimpleQueue = field(default_factory=SimpleQueue)
+    ui_shutdown: bool = False

contact/utilities/config_io.py

@@ -9,17 +9,6 @@ from meshtastic.util import camel_to_snake, snake_to_camel, fromStr
 # defs are from meshtastic/python/main
 
 
-def _is_repeated_field(field_desc) -> bool:
-    """Return True if the protobuf field is repeated.
-
-    Protobuf 6.31.0+ exposes `is_repeated`, while older versions require
-    checking `label == LABEL_REPEATED`.
-    """
-    if hasattr(field_desc, "is_repeated"):
-        return bool(field_desc.is_repeated)
-    return field_desc.label == field_desc.LABEL_REPEATED
-
-
 def traverseConfig(config_root, config, interface_config) -> bool:
     """Iterate through current config level preferences and either traverse deeper if preference is a dict or set preference"""
     snake_name = camel_to_snake(config_root)
@@ -100,7 +89,7 @@ def setPref(config, comp_name, raw_val) -> bool:
             return False
 
     # repeating fields need to be handled with append, not setattr
-    if not _is_repeated_field(pref):
+    if pref.label != pref.LABEL_REPEATED:
         try:
             if config_type.message_type is not None:
                 config_values = getattr(config_part, config_type.name)

contact/utilities/telemetry_beautifier.py

@@ -68,19 +68,19 @@ def get_chunks(data):
                 # Leave it string as last resort
                 value = value
 
-        # Python 3.9-compatible alternative to match/case.
-        if key == "uptime_seconds":
+        match key:
             # convert seconds to hours, for our sanity
-            value = round(value / 60 / 60, 1)
-        elif key in ("longitude_i", "latitude_i"):
+            case "uptime_seconds":
+                value = round(value / 60 / 60, 1)
             # Convert position to degrees (humanize), as per Meshtastic protobuf comment for this telemetry
             # truncate to 6th digit after floating point, which would be still accurate
-            value = round(value * 1e-7, 6)
-        elif key == "wind_direction":
+            case "longitude_i" | "latitude_i":
+                value = round(value * 1e-7, 6)
             # Convert wind direction from degrees to abbreviation
-            value = humanize_wind_direction(value)
-        elif key == "time":
-            value = datetime.datetime.fromtimestamp(int(value)).strftime("%d.%m.%Y %H:%m")
+            case "wind_direction":
+                value = humanize_wind_direction(value)
+            case "time":
+                value = datetime.datetime.fromtimestamp(int(value)).strftime("%d.%m.%Y %H:%m")
 
         if key in sensors:
             parsed+= f"{sensors[key.strip()]['icon']}{value}{sensors[key]['unit']}  "

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "contact"
-version = "1.4.20"
+version = "1.4.14"
 description = "This Python curses client for Meshtastic is a terminal-based client designed to manage device settings, enable mesh chat communication, and handle configuration backups and restores."
 authors = [
     {name = "Ben Lipsey",email = "ben@pdxlocations.com"}
@@ -9,8 +9,7 @@ license = "GPL-3.0-only"
 readme = "README.md"
 requires-python = ">=3.9,<3.15"
 dependencies = [
-    "meshtastic (>=2.7.5,<3.0.0)",
-    "wcwidth (>=0.2.13,<1.0.0)"
+    "meshtastic (>=2.7.5,<3.0.0)"
 ]
 
 [project.urls]

requirements.txt

@@ -1,2 +1 @@
 meshtastic
-wcwidth>=0.2.13,<1.0.0