[+] update oom_firefox

1. add l keybinding
    to change in realtime cgroup max memory limit;
  2. make sure keybindings are not working
    when a dialog is opened;
  3. make sure the app correctly handles Ctrl+C;
  4. improve logging format, include a timestamp
    and line locatin;

python/meson.build

@@ -5,7 +5,7 @@ project(
 	).stdout().strip('\n'),
 # 	'online.fxreader.uv',
 # 	['c', 'cpp'],
-	version: '0.1.5.44',
+	version: '0.1.5.54',
 # 	default_options: [
 # 		'cpp_std=c++23',
 # 		# 'prefer_static=true',

python/online/fxreader/pr34/oom_firefox.py

@@ -13,8 +13,9 @@ import re
 import sys
 
 from prompt_toolkit.application import Application
-from prompt_toolkit.key_binding import KeyBindings
+from prompt_toolkit.key_binding import KeyBindings, ConditionalKeyBindings
 from prompt_toolkit.layout import Layout, HSplit, FloatContainer, Float
+from prompt_toolkit.filters import Condition
 from prompt_toolkit.layout.containers import Window
 from prompt_toolkit.layout.controls import FormattedTextControl
 from prompt_toolkit.widgets import TextArea, Frame, Dialog, Button, Label
@@ -23,6 +24,7 @@ from prompt_toolkit.styles import Style
 from typing import (
 	TypedDict,
 	Any,
+	Optional,
 )
 from collections import OrderedDict
 
@@ -34,7 +36,7 @@ __created__ = '2025-11-21'
 # — Helper for cgroup / slice matching —
 
 
-def get_cgroup_path(pid):
+def get_cgroup_path(pid: int) -> Optional[str]:
 	try:
 		with open(f'/proc/{pid}/cgroup', 'r') as f:
 			for line in f:
@@ -264,6 +266,12 @@ def main():
 
 	logging.basicConfig(
 		level=logging.INFO,
+		format=(
+			'%(asctime)s '
+			'%(levelname)-8s '
+			'%(filename)s:%(lineno)d '
+			'%(funcName)s  –  %(message)s'
+		),
 		handlers=[
 			logging.handlers.RotatingFileHandler(
 				pathlib.Path('~/.cache/oom_firefox/log').expanduser(),
@@ -348,8 +356,8 @@ def main():
 						pass
 			# app.exit()
 
-	# signal.signal(signal.SIGINT, lambda s, f: terminate())
+	signal.signal(signal.SIGINT, lambda s, f: terminate())
-	# signal.signal(signal.SIGTERM, lambda s, f: terminate())
+	signal.signal(signal.SIGTERM, lambda s, f: terminate())
 
 	def refresh_body():
 		nonlocal firefox_proc
@@ -397,8 +405,12 @@ def main():
 
 		def on_ok():
 			txt = ta.text
-			for m in re.finditer(r'\((\d+)\)', txt):
+			for m in re.finditer(r'\((\d+)[^\)\d]*\)', txt):
 				low_priority_pids.add(int(m.group(1)))
+			for m in re.finditer(r'^\s*(\d+)\s*$', txt):
+				low_priority_pids.add(int(m.group(1)))
+			for m in re.finditer(r'^\s*-(\d+)\s*$', txt):
+				low_priority_pids.remove(int(m.group(1)))
 			close_dialog()
 			refresh_body()
 
@@ -420,6 +432,63 @@ def main():
 		root_floats.append(f)
 		app.layout.focus(ta)
 
+	def change_max_mb(max_mb: int) -> None:
+		for cmd in (
+			[
+				'systemctl',
+				'--user',
+				'set-property',
+				'%s.scope' % args.unit_name,
+				'MemoryHigh=%dM' % max_mb,
+			],
+			[
+				'systemctl',
+				'--user',
+				'set-property',
+				'%s.scope' % args.unit_name,
+				'MemoryMax=%dM' % (max_mb * 1.1),
+			],
+		):
+			logger.info(dict(cmd=cmd))
+
+			subprocess.check_call(cmd)
+
+		args.max_mb = max_mb
+
+	def open_limit_dialog():
+		ta = TextArea(text='', multiline=True, scrollbar=True)
+
+		def on_ok():
+			txt = ta.text
+			m = re.compile(r'^\s*(\d+)\s*$').match(txt)
+
+			a: str = 234234
+			if m:
+				change_max_mb(int(m[1]))
+
+				close_dialog()
+				refresh_body()
+			else:
+				logger.error('invalid input %s' % txt)
+
+		def on_cancel():
+			close_dialog()
+
+		dialog = Dialog(
+			title='Enter maximum memory threshold in MB',
+			body=ta,
+			buttons=[
+				Button(text='OK', handler=on_ok),
+				Button(text='Cancel', handler=on_cancel),
+			],
+			width=60,
+			modal=True,
+		)
+		f = Float(content=dialog, left=2, top=2)
+		dialog_float[0] = f
+		root_floats.append(f)
+		app.layout.focus(ta)
+
 	def open_message(title, message):
 		def on_close():
 			close_dialog()
@@ -445,6 +514,11 @@ def main():
 
 	kb = KeyBindings()
 
+	gkb = ConditionalKeyBindings(
+		key_bindings=kb,
+		filter=Condition(lambda: dialog_float[0] is None),
+	)
+
 	@kb.add('q')
 	def _(event):
 		terminate()
@@ -453,9 +527,18 @@ def main():
 	def _(event):
 		open_pid_dialog()
 
+	@kb.add('l')
+	def _(event):
+		open_limit_dialog()
+
+	HELP_TEXT = 'm=add PIDs, l=change limit, s=settings, a=about, q=quit'
+
 	@kb.add('h')
 	def _(event):
-		open_message('Help', 'Keys: m=add PIDs, s=settings, a=about, q=quit')
+		open_message(
+			'Help',
+			'Keys: %s' % HELP_TEXT,
+		)
 
 	@kb.add('s')
 	def _(event):
@@ -479,7 +562,7 @@ def main():
 				Window(
 					height=1,
 					content=FormattedTextControl(
-						'q=quit, m=PID, h=help, s=setting, a=about'
+						HELP_TEXT,
 					),
 				),
 			]
@@ -498,7 +581,7 @@ def main():
 
 	app = Application(
 		layout=Layout(root),
-		key_bindings=kb,
+		key_bindings=gkb,
 		style=style,
 		full_screen=True,
 		refresh_interval=args.interval,
@@ -531,7 +614,7 @@ def main():
 
 	# refresh_body()
 	app.run(
-		handle_sigint=True
+		# handle_sigint=True
 	)  # from prompt‑toolkit API :contentReference[oaicite:0]{index=0}
 
 	t.join()

python/pyproject.toml

@@ -144,6 +144,7 @@ include = [
     #'../../../../../follow_the_leader/logic/payments.py',
     #'../../../../../follow_the_leader/logic/paypal.py',
     'online/fxreader/pr34/commands_typed/**/*.py',
+    #'online/fxreader/pr34/oom_firefox.py',
 ]
 # stubPath = '../mypy-stubs'
 extraPaths = [