The notch slider trajectory calculation code encapsulation

Recommended first reading: crawler: Slipper captcha cracking

# -*- coding: utf-8 -*-

# Author: Mulberry ICE
# Email: [email protected]
# Blog: iicey.github.io
# JueJin: juejin.im/user/5c64dce8e51d45013c40742c
import os
import sys

import cv2
import requests


class CalcSlideDistance:

    @staticmethod
    def find_pic(target, template):
        target_rgb = cv2.imread(target)
        target_gray = cv2.cvtColor(target_rgb, cv2.COLOR_BGR2GRAY)
        template_rgb = cv2.imread(template, 0)
        res = cv2.matchTemplate(target_gray, template_rgb, cv2.TM_CCOEFF_NORMED)
        value = cv2.minMaxLoc(res)
        returnvalue[2:][0][0], value[2:][1][0] @staticmethod def generate_tracks(distance): Distance += 20 v = 0 t = 0.2 forward_tracks = [] current = 0 mid = distance * 3/5# Deceleration threshold
        while current < distance:
            if current < mid:
                a = 2  The acceleration is +2
            else:
                a = -3  Acceleration minus 3S = v * t + 0.5 * a * (t ** 2) v = v + a * t += s forward_tracks. -2, -2, -2, -2, -1, -1, -1]return forward_tracks, back_tracks

    def calc_result(self, username, target_url, template_url):
        template_path = os.path.join(os.getcwd(), 'img', f'slide_1_{username}.png')
        target_path = os.path.join(os.getcwd(), 'img', f'slide_2_{username}.png')
        Keep the slider image as background
        target = requests.get(url=target_url).content
        with open(target_path, 'wb') as f_tar:
            f_tar.write(target)
        template = requests.get(url=template_url).content
        with open(template_path, 'wb') as f_tem:
            f_tem.write(template)

        value_1, value_2 = self.find_pic(target_path, template_path)  # Calculate the gap distance
        forward_tracks, back_tracks = self.generate_tracks(value_2)  # Acceleration trajectory, deceleration trajectory
        os.remove(target_path), os.remove(template_path)  # Remove slider image
        return forward_tracks, back_tracks

if __name__ == '__main__':
    calc_slide_distance = CalcSlideDistance()
    calc_slide_distance.calc_result("Define slider image name"."Url of big picture"."Url of the thumbnail")
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