creation du package
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252
cpu_monitor_native.py
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252
cpu_monitor_native.py
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#!/usr/bin/env python3
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# Lancement: python cpu_monitor_native.py
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# Intégrable dans GNOME via /etc/xdg/autostart/resource-monitor.desktop
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from collections import deque
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import time
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from gi.repository import Gtk, GLib
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import psutil
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from matplotlib.figure import Figure
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from matplotlib.backends.backend_gtk4agg import FigureCanvasGTK4Agg as FigureCanvas
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MAX_POINTS = 60
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UPDATE_INTERVAL = 1000 # ms
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class Tracker:
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def __init__(self):
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self.cpu_data = deque(maxlen=MAX_POINTS)
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self.ram_data = deque(maxlen=MAX_POINTS)
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self.disk_data = deque(maxlen=MAX_POINTS)
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self.disk_read_data = deque(maxlen=MAX_POINTS)
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self.disk_write_data = deque(maxlen=MAX_POINTS)
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self.net_sent_data = deque(maxlen=MAX_POINTS)
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self.net_recv_data = deque(maxlen=MAX_POINTS)
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self._last_cpu = None
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self._last_net_sent = None
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self._last_net_recv = None
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self._last_disk_read = None
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self._last_disk_write = None
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self.time_data = deque(maxlen=MAX_POINTS)
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self.time_data.append(time.time())
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def _rate(self, curr, last):
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delta = curr - last
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return max(int(delta / 2.0), 0)
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def update(self):
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cpu = psutil.cpu_percent(interval=None)
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ram = psutil.virtual_memory().percent
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disk = psutil.disk_usage('/').percent
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self._last_cpu = cpu
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t = time.time()
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self.time_data.append(t)
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self.cpu_data.append(cpu)
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self.ram_data.append(ram)
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self.disk_data.append(disk)
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d_io = psutil.disk_io_counters()
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if d_io is not None:
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d_read = d_io.read_bytes
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d_write = d_io.write_bytes
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if self._last_disk_read is not None:
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self.disk_read_data.append(self._rate(d_read, self._last_disk_read))
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self.disk_write_data.append(self._rate(d_write, self._last_disk_write))
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self._last_disk_read = d_read
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self._last_disk_write = d_write
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net = psutil.net_io_counters()
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sent = net.bytes_sent
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recv = net.bytes_recv
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if self._last_net_sent is not None:
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self.net_sent_data.append(self._rate(sent, self._last_net_sent))
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self.net_recv_data.append(self._rate(recv, self._last_net_recv))
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self._last_net_sent = sent
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self._last_net_recv = recv
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def get_latest(self):
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if self._last_cpu is None:
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self.update()
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return self._last_cpu, self.ram_data[-1]
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def get_disk(self):
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if not self.disk_data:
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return 0
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return self.disk_data[-1]
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def get_net_rates(self):
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if not self.net_sent_data or not self.net_recv_data:
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return 0, 0
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return self.net_sent_data[-1], self.net_recv_data[-1]
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class MonitorWindow(Gtk.ApplicationWindow):
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def __init__(self, app):
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super().__init__(application=app, title="Resource Monitor")
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self.set_default_size(1100, 360)
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self.set_icon_name("org.gnome.SystemMonitor")
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self.tracker = Tracker()
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self._running = True
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# Dark palette
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self.DARK_BG = "#1e1e2e"
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self.DARK_SURFACE = "#313244"
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self.DARK_BORDER = "#45475a"
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self.TEXT = "#cdd6f4"
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self.TEXT_DIM = "#a6adc8"
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self.CPU_COLOR = "#f38ba8"
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self.RAM_COLOR = "#a6e3a1"
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self.DISK_COLOR = "#cba6f7"
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self.NET_UP_COLOR = "#fab387"
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self.NET_DOWN_COLOR = "#89b4fa"
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self.ALPHA_40 = 0.4
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box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
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self.add(box)
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# --- Top bar with values ---
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header = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0)
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header.set_css_classes(["sourcing-frame"])
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header.get_style_context().add_class("card")
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header.add_to_css_styleclass("monitor-header")
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self.cpu_label = Gtk.Label()
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self.cpu_label.set_css_classes(["stat-label"])
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header.append(self.cpu_label)
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self.ram_label = Gtk.Label()
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self.ram_label.set_css_classes(["stat-label"])
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header.append(self.ram_label)
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self.disk_label = Gtk.Label()
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self.disk_label.set_css_classes(["stat-label"])
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header.append(self.disk_label)
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self.net_label = Gtk.Label()
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self.net_label.set_css_classes(["stat-label"])
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header.append(self.net_label)
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box.append(header)
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# --- Plots ---
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fig = Figure(figsize=(13, 3.2), facecolor=self.DARK_BG)
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fig.set_tight_layout({"pad": 8})
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axes = []
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titles = ["CPU %", "RAM %", "Disk %", "Réseau (B/s)"]
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for i, title in enumerate(titles):
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ax = fig.add_subplot(1, 4, i + 1)
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ax.set_facecolor(self.DARK_BG)
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ax.set_title(title, color=self.TEXT, fontsize=11, fontweight="medium")
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ax.set_ylim(0, 100)
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ax.set_ylabel("%" if i < 3 else "B/s", color=self.TEXT_DIM, fontsize=9)
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ax.tick_params(colors=self.TEXT_DIM)
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ax.spines["bottom"].set_color(self.DARK_BORDER)
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ax.spines["top"].set_color(self.DARK_BORDER)
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ax.spines["left"].set_color(self.DARK_BORDER)
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ax.spines["right"].set_color(self.DARK_BORDER)
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axes.append(ax)
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self.cpu_line, = axes[0].plot([], [], color=self.CPU_COLOR, linewidth=1.5)
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self.ram_line, = axes[1].plot([], [], color=self.RAM_COLOR, linewidth=1.5)
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self.disk_line, = axes[2].plot([], [], color=self.DISK_COLOR, linewidth=1.5)
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self.net_up_line, = axes[3].plot([], [], color=self.NET_UP_COLOR, linewidth=1.5, label="↑")
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self.net_down_line, = axes[3].plot([], [], color=self.NET_DOWN_COLOR, linewidth=1.5, label="↓")
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for ax in axes[:3]:
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ax.axhline(y=80, color=ax.get_lines()[0].get_color(), linestyle="--", alpha=self.ALPHA_40)
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canvas = FigureCanvas(fig)
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canvas.set_css_classes(["plot-canvas"])
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box.append(canvas)
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# --- Footer ---
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footer = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0)
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footer.set_valign(Gtk.Align.END)
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footer.get_style_context().add_class("linked")
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self.status_label = Gtk.Label(label="Monitoring...")
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self.status_label.set_css_classes(["dim-label"])
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footer.append(self.status_label)
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self.stop_btn = Gtk.Button(label="Arrêter")
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self.stop_btn.set_css_classes(["destructive-action"])
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self.stop_btn.connect("clicked", lambda *_: self._stop())
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footer.append(self.stop_btn)
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box.append(footer)
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self.fig = fig
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self.axes = axes
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self.canvas = canvas
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GLib.timeout_add(UPDATE_INTERVAL, self._refresh)
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def _update_plot(self):
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cpu_arr = list(self.tracker.cpu_data)
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ram_arr = list(self.tracker.ram_data)
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disk_arr = list(self.tracker.disk_data)
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sent_arr = list(self.tracker.net_sent_data)
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recv_arr = list(self.tracker.net_recv_data)
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self.cpu_line.set_data(range(len(cpu_arr)), cpu_arr)
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self.ram_line.set_data(range(len(ram_arr)), ram_arr)
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self.disk_line.set_data(range(len(disk_arr)), disk_arr)
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self.net_up_line.set_data(range(len(sent_arr)), sent_arr)
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self.net_down_line.set_data(range(len(recv_arr)), recv_arr)
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for i, ax in enumerate(self.axes[:3]):
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ax.set_xlim(0, MAX_POINTS)
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max_net = max(max(sent_arr) if sent_arr else 0, max(recv_arr) if recv_arr else 0)
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self.axes[3].set_xlim(0, MAX_POINTS)
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if max_net > 0:
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self.axes[3].set_ylim(0, max_net * 1.2)
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self.fig.canvas.draw()
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def _refresh(self):
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if not self._running:
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return GLib.SOURCE_REMOVE
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self.tracker.update()
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cpu, ram = self.tracker.get_latest()
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disk = self.tracker.get_disk()
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send_rate, recv_rate = self.tracker.get_net_rates()
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self.cpu_label.set_label(f"CPU: {cpu:5.1f}%")
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self.ram_label.set_label(f"RAM: {ram:5.1f}%")
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self.disk_label.set_label(f"Disk: {disk:5.1f}%")
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mb_up = send_rate / (1024 * 1024)
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mb_dn = recv_rate / (1024 * 1024)
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self.net_label.set_label(f"Net: ↑{mb_up:.2f} ↓{mb_dn:.2f} MB/s")
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self._update_plot()
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return GLib.SOURCE_CONTINUE
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def _stop(self, *_):
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self._running = False
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self.status_label.set_label("Arrêté.")
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self.stop_btn.set_sensitive(False)
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class MonitorApplication(Gtk.Application):
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def __init__(self):
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super().__init__(application_id="com.local.resource-monitor")
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def do_activate(self):
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win = MonitorWindow(self)
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win.present()
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def main():
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app = MonitorApplication()
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app.run()
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if __name__ == "__main__":
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main()
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