Config refactor part 2

config.py

@@ -39,46 +39,4 @@ MATRIX_ROOM = at(['matrix', 'room_id']) or "!channel_id:example.org"
 
 SERVER_IP = os.getenv('SERVER_ADDRESS') or 'unknown ip'
 
-# Matrix users who are allowed to run OP commands in Minecraft through Matrix
+MATRIX_ADMINS = at(['matrix', 'mc-admins']) or []
-MC_ADMINS = [
-    "@bramvdnheuvel:nltrix.net",                # Bram on Matrix  (example, feel free to remove)
-    "@_discord_625632515314548736:t2bot.io"     # Bram on Discord (example, feel free to remove)
-    # Your username on Matrix
-]
-if os.getenv('MATRIX_ADMINS') is not None:
-    MC_ADMINS = os.getenv('MATRIX_ADMINS').split(',')
-
-make_bool = lambda os_value, default_value : default_value if not os_value else (
-    False if os_value.lower() == 'false' else True
-)
-
-SERVER_SETTINGS = {
-    'level-name': os.getenv('WORLD') or 'world',
-    
-    # Server settings
-    'port'          : 25565 if os.getenv('PORT') == None else int(os.getenv('PORT')),
-    'query.port'    : 25565 if os.getenv('PORT') == None else int(os.getenv('PORT')),
-    'max-players'   : 7 if os.getenv('MAX_PLAYERS') == None else int(os.getenv('MAX_PLAYERS')),
-    
-    # Server temperature  >:3
-    'view-distance'         : 10 if os.getenv('RENDER_DISTANCE') == None else int(os.getenv('RENDER_DISTANCE')),
-    'enable-command-block'  : make_bool(os.getenv('COMMAND_BLOCKS'), True),
-    
-    # Environment
-    'allow-nether'      : make_bool(os.getenv('NETHER'),    True),
-    'spawn-npcs'        : make_bool(os.getenv('NPCS'),      True),
-    'spawn-animals'     : make_bool(os.getenv('ANIMALS'),   True),
-    'spawn-monsters'    : make_bool(os.getenv('MONSTERS'),  True),
-    
-    # Gamemode
-    'pvp'       : make_bool(os.getenv('PVP'),       True),
-    'gamemode'  : os.getenv('GAMEMODE') or 'survival',
-    'difficulty': os.getenv('DIFFICULTY') or 'medium',
-    'hardcore'  : make_bool(os.getenv('HARDCORE'),  False),
-    
-    # Grief protection
-    'online-mode'       : make_bool(os.getenv('VERIFY_ACCOUNTS'),   True),
-    'white-list'        : make_bool(os.getenv('WHITELIST'),         True),
-    'enforce-whitelist' : make_bool(os.getenv('WHITELIST'),         True),
-    'spawn-protection'  : 16 if os.getenv('SPAWN_PROTECTION') == None else os.getenv('SPAWN_PROTECTION'),
-}

config.yaml

@@ -1,3 +1,12 @@
+config:
+  # How much memory the Minecraft server is allowed to take up
+  # Number in megabytes. Defaults to 1024. (= 1 GB)
+  ram: 1024
+
+  # File location of the server jar.
+  # To be downloaded at: https://www.minecraft.net/en-us/download/server
+  server_jar: server.jar
+
 # Matrix bridge configurations
 matrix:
   # Homeserver URL
@@ -14,14 +23,16 @@ matrix:
   server_address: unknown ip
 
   # List of Matrix users that can send commands to the bridge.
-  # When a message starts with a slash, (/) the bridge will interpret it as a
+  # When a message starts with an exclamation mark, (!) the bridge will
-  # Minecraft command and will put that as a command into the console.
+  # interpret it as a Minecraft command and will put that as a command
+  # into the console.
   mc-admins:
     - "@bram:matrix.directory"
     # - "@alice:example.org"
     # - 
 
   # When users have bridged from other platforms, you can indicate accordingly.
+  # When multiple RegEx strings apply, all are included.
   alternative_platforms:
     Discord:
       match: "@_?discord_\d+:.+"

main.py

@@ -20,11 +20,6 @@ async def message_callback(room: MatrixRoom, event: RoomMessageText) -> None:
     if int(event.server_timestamp) < STARTUP_TIME:
         return
 
-    # Determine platform
-    platform = 'Matrix'
-    if re.fullmatch(r"@_discord_\d+:t2bot\.io", event.sender):
-        platform = 'Discord'
-
     # Determine how to display username
     name = room.users[event.sender].display_name
     for user in room.users:
@@ -35,11 +30,7 @@ async def message_callback(room: MatrixRoom, event: RoomMessageText) -> None:
             name = room.users[event.sender].disambiguated_name
             break
 
-    mc_wrapper.reply_to_mc(
+    mc_wrapper.reply_to_mc(event.body, name, event.sender)
-        event.body, name,
-        admin=(event.sender in config.MC_ADMINS),
-        platform=platform
-    )
 client.add_event_callback(message_callback, RoomMessageText)
 
 
@@ -47,7 +38,7 @@ async def activate_client() -> None:
     print(await client.login(config.MATRIX_PASSWORD))
 
     await client.room_send(
-        room_id=config.MC_CHANNEL,
+        room_id=config.MATRIX_ROOM,
         message_type="m.room.message",
         content = {
             "msgtype": "m.text",
@@ -60,8 +51,11 @@ async def activate_client() -> None:
 
 async def start():
     await asyncio.gather(
+        # Start the Matrix client
         activate_client(),
-        mc_wrapper.start(client, config.MC_CHANNEL)
+
+        # Start the Minecraft subprocess
+        mc_wrapper.start(client, config.MATRIX_ROOM)
     )
 
 asyncio.run(start())

mc_wrapper.py

@@ -14,6 +14,9 @@ p = Popen(sys.argv[1:],
 nbsr = NBSR(p.stdout)
 
 async def start(client, mc_channel):
+    """
+        Start reading from the Minecraft subprocess.
+    """
     await asyncio.sleep(3)
     
     while True:
@@ -49,6 +52,12 @@ async def start(client, mc_channel):
 server_live = False
 
 def process_message(sentence : str) -> Union[str, None]:
+    """
+        Process a message that is sent to stdout in the Minecraft terminal.
+
+        If this function deems it relevant, it returns a string that can be
+        sent to Matrix.
+    """
     global server_live
 
     if (match := re.fullmatch(
@@ -83,7 +92,8 @@ def process_message(sentence : str) -> Union[str, None]:
         sentence)):
         username, = match.groups()
         return username + " left the Minecraft server", (
-            "<strong>" + username + " left the Minecraft server</strong>")
+            "<strong>" + username + " left the Minecraft server</strong>"
+        )
     
     if (match := re.fullmatch(
         r"\[[\d:]+\] \[Server thread\/INFO\]: <([A-Za-z0-9_]{3,16})> (.+)", 
@@ -101,24 +111,39 @@ def process_message(sentence : str) -> Union[str, None]:
 
     return None, None    
 
-def reply_to_mc(message : str, author : str, 
+def reply_to_mc(message : str, display_name : str, sender : str):
-                admin : bool = False, platform : str = 'Matrix'):
     """
         Send something back to the Minecraft terminal.
     """
-    if admin and message.startswith('!'):
+    if sender in config.MATRIX_ADMINS and message.startswith('!'):
         p.stdin.write((message[1:] + "\r\n").encode())
     else:
-        msg = [
-            "",
-            dict(text="M", color="red"),
-            dict(text="D", color="aqua") if platform == 'Discord' else None,
-            dict(text=f" <{author}> {message}")
-        ]
         p.stdin.write(
-            ("execute as @a run tellraw @s " + json.dumps([m for m in msg if m is not None]) + "\r\n").encode()
+            ("execute as @a run tellraw @s " + format(sender, display_name, message) + "\r\n").encode()
         )
     p.stdin.flush()
 
+def format(sender : str, display_name : str, message : str) -> str:
+    """
+        Create a string used to format the user's message.
+    """
+    start = [ "", dict(text="M", color="red" ) ]
+    end   = [ dict(text=f" <{display_name}> {message}") ]
+
+    options = config.at(['matrix', 'alternative_platforms']) or {}
+
+    for platform, details in options.items():
+        try:
+            regex = details['match']
+            text  = details['text']
+            color = details['color']
+        except KeyError:
+            print("WARNING: Platform `" + platform + "` is missing some configurations.")
+        else:
+            if re.fullmatch(regex, sender):
+                start.append(dict(text=text, color=color))
+    
+    return json.dumps(start + end)
+
 if __name__ == '__main__':
     asyncio.run(start())