Redirect stderr to null during psutil's import.

On some systems /proc might be unavailable and psutil would freak out
printing several exceptions to stderr but strangely not raising the
exceptions for upper scope to handle

app/classes/minecraft/bedrock_ping.py

@@ -1,7 +1,12 @@
+from contextlib import redirect_stderr
 import os
 import socket
 import time
-import psutil
+
+from app.classes.shared.null_writer import NullWriter
+
+with redirect_stderr(NullWriter()):
+    import psutil
 
 
 class BedrockPing:

app/classes/minecraft/stats.py

@@ -1,16 +1,20 @@
 from __future__ import annotations
+from contextlib import redirect_stderr
 import json
 import logging
 import datetime
 import base64
 import typing as t
-import psutil
 
+from app.classes.shared.null_writer import NullWriter
 from app.classes.minecraft.mc_ping import ping
 from app.classes.models.management import HostStats
 from app.classes.models.servers import HelperServers
 from app.classes.shared.helpers import Helpers
 
+with redirect_stderr(NullWriter()):
+    import psutil
+
 if t.TYPE_CHECKING:
     from app.classes.shared.main_controller import Controller
 

app/classes/shared/helpers.py

@@ -16,15 +16,18 @@ import pathlib
 import ctypes
 from datetime import datetime
 from socket import gethostname
-from contextlib import suppress
+from contextlib import redirect_stderr, suppress
-import psutil
 
+from app.classes.shared.null_writer import NullWriter
 from app.classes.shared.console import Console
 from app.classes.shared.installer import installer
 from app.classes.shared.file_helpers import FileHelpers
 from app.classes.shared.translation import Translation
 from app.classes.web.websocket_helper import WebSocketHelper
 
+with redirect_stderr(NullWriter()):
+    import psutil
+
 logger = logging.getLogger(__name__)
 
 try:

app/classes/shared/null_writer.py

@@ -0,0 +1,10 @@
+import logging
+import os
+
+logger = logging.getLogger(__name__)
+
+
+class NullWriter:
+    def write(self, data):
+        if os.environ["CRAFTY_LOG_NULLWRITER"] == "true":
+            logger.debug(data)

app/classes/shared/server.py

@@ -1,3 +1,4 @@
+from contextlib import redirect_stderr
 import os
 import re
 import time
@@ -8,8 +9,6 @@ import logging.config
 import subprocess
 import html
 import tempfile
-import psutil
-from psutil import NoSuchProcess
 
 # TZLocal is set as a hidden import on win pipeline
 from tzlocal import get_localzone
@@ -25,6 +24,11 @@ from app.classes.models.server_permissions import PermissionsServers
 from app.classes.shared.console import Console
 from app.classes.shared.helpers import Helpers
 from app.classes.shared.file_helpers import FileHelpers
+from app.classes.shared.null_writer import NullWriter
+
+with redirect_stderr(NullWriter()):
+    import psutil
+    from psutil import NoSuchProcess
 
 logger = logging.getLogger(__name__)