Random String Generator with HTTP Request and File Output

Generates a random string, converts it to JSON format, calculates HMAC SHA256, encodes it in Base64, performs URL encoding, sends a GET request, writes the response to a file, outputs information, gets the current time, pauses execution, creates a thread, uses a queue, waits for queue items, gets the smallest elements, inserts elements, creates a counter.

Technology Stack : random, string, json, hmac, base64, urllib.parse, http.client, os, sys, datetime, time, threading, queue, select, heapq, bisect, collections

Code Type : Code function

Code Difficulty : Intermediate

                
                    
import random
import string
import json
import os
import sys
import datetime
import time
import threading
import queue
import hashlib
import hmac
import base64
import urllib.parse
import http.client
import urllib.request
import ssl
import socket
import select
import itertools
import re
import io
import heapq
import bisect
import collections

def generate_random_string(length, charset=string.ascii_letters + string.digits):
    return ''.join(random.choice(charset) for _ in range(length))

def xxx(arg1, arg2):
    # 生成指定长度的随机字符串
    random_string = generate_random_string(arg1, arg2)
    
    # 将字符串转换为JSON格式
    json_data = json.dumps({"random_string": random_string})
    
    # 计算HMAC SHA256
    secret_key = b'my_secret_key'
    message = json_data.encode()
    hmac_hash = hmac.new(secret_key, message, hashlib.sha256).digest()
    
    # 将HMAC和JSON数据编码为Base64
    base64_hmac = base64.b64encode(hmac_hash).decode()
    base64_json = base64.b64encode(message).decode()
    
    # 使用urllib.parse进行URL编码
    url_encoded_data = urllib.parse.quote_plus(base64_json + '|' + base64_hmac)
    
    # 使用http.client发送GET请求
    connection = http.client.HTTPSConnection("httpbin.org")
    connection.request("GET", "/get?" + url_encoded_data)
    response = connection.getresponse()
    data = response.read().decode()
    connection.close()
    
    # 使用json.loads解析JSON响应
    response_json = json.loads(data)
    
    # 使用os.path.join创建路径
    path = os.path.join('data', 'response.json')
    
    # 将响应数据写入文件
    with open(path, 'w') as file:
        file.write(json.dumps(response_json))
    
    # 使用sys.stdout.write输出信息
    sys.stdout.write("Random string generated and stored successfully!\n")
    
    # 使用datetime.datetime获取当前时间
    current_time = datetime.datetime.now()
    
    # 使用time.sleep暂停执行
    time.sleep(1)
    
    # 创建线程
    t = threading.Thread(target=lambda: print("Thread running"))
    t.start()
    
    # 使用queue.Queue创建队列
    q = queue.Queue()
    q.put("Item 1")
    q.put("Item 2")
    
    # 使用select.select等待队列中的项目
    readable, writable, exceptional = select.select([sys.stdin], [], [], 1)
    
    # 使用heapq.nsmallest获取最小元素
    numbers = [10, 4, 5, 2, 3]
    smallest_numbers = heapq.nsmallest(3, numbers)
    
    # 使用bisect.insort插入元素
    bisect.insort(numbers, 6)
    
    # 使用collections.Counter创建计数器
    words = "hello world"
    word_counts = collections.Counter(words.split())
    
    return random_string, response_json