ajout GUI

cpu_monitor_gui.py

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+#!/usr/bin/env python3
+# Lancement: python cpu_monitor_gui.py
+
+import tkinter as tk
+from tkinter import ttk
+from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2Tk
+from matplotlib.figure import Figure
+from collections import deque
+import time
+
+import psutil
+
+MAX_POINTS = 60
+UPDATE_INTERVAL = 1000  # ms
+
+
+class CPUTracker:
+    def __init__(self):
+        self.cpu_data = deque(maxlen=MAX_POINTS)
+        self.ram_data = deque(maxlen=MAX_POINTS)
+        self.time_data = deque(maxlen=MAX_POINTS)
+        self._last_cpu = None
+        now = time.time()
+        self.time_data.append(now)
+
+    def update(self):
+        cpu = psutil.cpu_percent(interval=None)
+        ram = psutil.virtual_memory().percent
+        self._last_cpu = cpu
+        t = time.time()
+
+        self.cpu_data.append(cpu)
+        self.ram_data.append(ram)
+        self.time_data.append(t)
+
+    def get_latest(self):
+        if self._last_cpu is None:
+            self.update()
+        return self._last_cpu, self.ram_data[-1]
+
+
+class App:
+    def __init__(self, root):
+        self.root = root
+        self.root.title("CPU / RAM Monitor")
+
+        self.tracker = CPUTracker()
+
+        # --- Header card ---
+        card_bg = "#23272f"
+        card_fg = "#ffffff"
+        accent = "#4fc3f7"
+
+        header_frame = ttk.Frame(root)
+        header_frame.pack(fill=tk.X, padx=10, pady=(10, 0))
+
+        self.cpu_label = ttk.Label(
+            header_frame,
+            text=f"CPU: --%",
+            font=("Segoe UI", 20, "bold"),
+            foreground=accent,
+        )
+        self.cpu_label.pack(side=tk.LEFT, padx=20)
+
+        self.ram_label = ttk.Label(
+            header_frame,
+            text=f"RAM: --%",
+            font=("Segoe UI", 20, "bold"),
+            foreground="#81c784",
+        )
+        self.ram_label.pack(side=tk.LEFT, padx=20)
+
+        # --- Plot ---
+        fig = Figure(figsize=(8, 3), facecolor=card_bg)
+        ax_cpu = fig.add_subplot(1, 2, 1, facecolor=card_bg)
+        ax_ram = fig.add_subplot(1, 2, 2, facecolor=card_bg)
+
+        ax_cpu.set_title("CPU %", color=card_fg, fontsize=11)
+        ax_ram.set_title("RAM %", color=card_fg, fontsize=11)
+        ax_cpu.set_ylim(0, 100)
+        ax_ram.set_ylim(0, 100)
+        ax_cpu.set_ylabel("%")
+        ax_ram.set_ylabel("%")
+        ax_cpu.tick_params(colors="#aaa")
+        ax_ram.tick_params(colors="#aaa")
+        for label in ax_cpu.get_yticklabels():
+            label.set_color("#aaa")
+        for line in ax_cpu.spines.values():
+            line.set_color("#3a3f4a")
+        for line in ax_ram.spines.values():
+            line.set_color("#3a3f4a")
+
+        self.cpu_line, = ax_cpu.plot(
+            [], [], color="#ef5350", linewidth=1.5, marker="", markerfacecolor="#ef5350"
+        )
+        self.ram_line, = ax_ram.plot(
+            [], [], color="#66bb6a", linewidth=1.5, marker="", markerfacecolor="#66bb6a"
+        )
+
+        ax_cpu.axhline(y=80, color="#ef5350", linestyle="--", alpha=0.4)
+        ax_ram.axhline(y=80, color="#66bb6a", linestyle="--", alpha=0.4)
+        ax_cpu.text(0.02, 0.02, "80%", fontsize=8, color="#ef5350", alpha=0.6, transform=ax_cpu.transAxes)
+
+        self.fig = fig
+        self.ax_cpu = ax_cpu
+        self.ax_ram = ax_ram
+
+        canvas = FigureCanvasTkAgg(fig, master=root)
+        canvas.draw()
+        canvas.get_tk_widget().pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
+
+        toolbar = NavigationToolbar2Tk(canvas, root)
+        toolbar.update()
+
+        # --- Footer status ---
+        status_frame = ttk.Frame(root)
+        status_frame.pack(fill=tk.X, padx=10, pady=(0, 10))
+
+        self.status_label = ttk.Label(
+            status_frame,
+            text="Monitoring...",
+            font=("Segoe UI", 9),
+            foreground="#888",
+        )
+        self.status_label.pack(side=tk.LEFT)
+
+        stop_btn = ttk.Button(
+            status_frame,
+            text="Stop",
+            command=self._stop,
+            width=10,
+        )
+        stop_btn.pack(side=tk.RIGHT, padx=(10, 0))
+
+        self._running = True
+        self._refresh()
+
+    def _refresh(self):
+        if not self._running:
+            return
+        self.tracker.update()
+        cpu, ram = self.tracker.get_latest()
+        self.cpu_label.config(text=f"CPU: {cpu:5.1f}%")
+        self.ram_label.config(text=f"RAM: {ram:5.1f}%")
+
+        ax = self.ax_cpu
+        cpu_arr = list(self.tracker.cpu_data)
+        ram_arr = list(self.tracker.ram_data)
+        self.cpu_line.set_data(range(len(cpu_arr)), cpu_arr)
+        self.ram_line.set_data(range(len(ram_arr)), ram_arr)
+
+        ax.set_xlim(0, MAX_POINTS)
+        self.ax_ram.set_xlim(0, MAX_POINTS)
+
+        self.fig.canvas.draw_idle()
+        self.root.after(UPDATE_INTERVAL, self._refresh)
+
+    def _stop(self):
+        self._running = False
+        self.status_label.config(text="Stopped.")
+
+
+def main():
+    root = tk.Tk()
+    app = App(root)
+    root.mainloop()
+
+
+if __name__ == "__main__":
+    main()