Fünf interessante Python-Skripte

import numpy as np
import matplotlib.pyplot as plt
from PIL import Image
import os.path

img_path = "E:\test.jpg"
img = Image.open(img_path)


img = np.asarray(img)
flat = img.flatten()


def get_histogram(image, bins):

histogram = np.zeros(bins)

for pixel in image:
histogram[pixel] += 1

return histogram


hist = get_histogram(flat, 256)


cs = np.cumsum(hist)


nj = (cs - cs.min()) * 255
N = cs.max() - cs.min()


cs = nj / N


cs = cs.astype('uint8')


img_new = cs[flat]


img_new = np.reshape(img_new, img.shape)


fig = plt.figure()
fig.set_figheight(15)
fig.set_figwidth(15)


fig.add_subplot(1, 2, 1)
plt.imshow(img, cmap='gray')
plt.title("Image 'Before' Contrast Adjustment")


fig.add_subplot(1, 2, 2)
plt.imshow(img_new, cmap='gray')
plt.title("Image 'After' Contrast Adjustment")
filename = os.path.basename(img_path)


plt.show()

import os
import zipfile
from random import randrange


def zip_dir(path, zip_handler):
for root, dirs, files in os.walk(path):
for file in files:
zip_handler.write(os.path.join(root, file))


if __name__ == '__main__':
to_zip = input("""
Enter the name of the folder you want to zip
(N.B.: The folder name should not contain blank spaces)
>
""")
to_zip = to_zip.strip() + "/"
zip_file_name = f'zip{randrange(0,10000)}.zip'
zip_file = zipfile.ZipFile(zip_file_name, 'w', zipfile.ZIP_DEFLATED)
zip_dir(to_zip, zip_file)
zip_file.close()
print(f'File Saved as {zip_file_name}')

import tkinter as tk

root = tk.Tk()
root.title("Standard Calculator")
root.resizable(0, 0)


e = tk.Entry(root,
 width=35,
 bg='#f0ffff',
 fg='black',
 borderwidth=5,
 justify='right',
 font='Calibri 15')
e.grid(row=0, column=0, columnspan=3, padx=12, pady=12)


def buttonClick(num):
temp = e.get(
)
e.delete(0, tk.END)
e.insert(0, temp + num)


def buttonClear():
e.delete(0, tk.END)