如何解决python3 tkinter figcanvastkagg破坏可用内存失败内存泄漏
我用figcanvastkagg生成了100个画布图形,然后销毁了所有图形。似乎无法像初始状态一样释放所有内存(请参见上面的链接)。
import tkinter as tk
from tkinter import filedialog
from matplotlib.backends.backend_tkagg import (figureCanvasTkAgg,NavigationToolbar2Tk)
from matplotlib.figure import figure
import matplotlib.pyplot as plt
from data import dataprocess
import os
import psutil
import gc
root = tk.Tk()
root.geometry('1500x800')
process = psutil.Process(os.getpid())
print("Ini",process.memory_info().RSS)
for i in range(100):
f = figure(figsize=(5,5),dpi=100)
a = f.add_subplot(111)
a.plot([1,2,3,4,5,6,7,8],[5,1,8,9,5])
a.set_title("fig" + str(i))
canvas = figureCanvasTkAgg(f,master = root)
canvas.draw()
canvas.get_tk_widget().grid(row=i,column=0)
process = psutil.Process(os.getpid())
print("plot",process.memory_info().RSS)
for label in root.grid_slaves():
label.destroy()
gc.collect()
process = psutil.Process(os.getpid())
print("destroy all plot",process.memory_info().RSS)
root.mainloop()
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