Python Library Functionality Showcase

The code snippet integrates the functions of multiple Python built-in libraries, including array operations, sorting, data counting, CSV file operations, time handling, function decoration, heap operations, JSON serialization, file operations, random number generation, regular expression matching, file copying, email sending, network programming, system command execution, process information, thread creation, timestamp retrieval, and web content downloading.

Technology Stack : array, bisect, collections, csv, datetime, functools, heapq, json, os, random, re, shutil, smtplib, socket, subprocess, sys, threading, time, urllib.request

Code Type : Comprehensive application of code

Code Difficulty : Advanced

                
                    
import array
import bisect
import collections
import csv
import datetime
import functools
import heapq
import json
import os
import random
import re
import shutil
import smtplib
import socket
import subprocess
import sys
import threading
import time
import urllib.request

def xxx(arg1, arg2):
    # 创建一个数组并使用 bisect 插入元素
    arr = array.array('i')
    bisect.insort(arr, arg1)
    # 使用 collections.Counter 计数
    counter = collections.Counter([arg2, arg1])
    # 使用 csv 写入数据
    with open('output.csv', 'w', newline='') as file:
        writer = csv.writer(file)
        writer.writerow(['Item', 'Count'])
        for item, count in counter.items():
            writer.writerow([item, count])
    # 使用 datetime 获取当前时间
    now = datetime.datetime.now()
    # 使用 functools 拷贝并修改默认参数
    def modified_function(*args, **kwargs):
        kwargs['new_param'] = True
        functools.partial(modified_function, **kwargs)(*args)
    # 使用 heapq 实现最小堆
    heap = heapq.nsmallest(3, arr)
    # 使用 json 序列化数据
    data = {"name": "Alice", "age": 30}
    json_data = json.dumps(data)
    # 使用 os 创建临时文件
    temp_file = os.mkstemp()[1]
    with os.fdopen(temp_file, 'w') as f:
        f.write('This is a temporary file.')
    # 使用 random 生成随机数
    random_number = random.randint(1, 100)
    # 使用 re 查找字符串中的模式
    pattern = re.compile(r'\d+')
    match = pattern.search(arg2)
    # 使用 shutil 复制文件
    shutil.copy('source.txt', 'destination.txt')
    # 使用 smtplib 发送电子邮件
    sender_email = "sender@example.com"
    receiver_email = "receiver@example.com"
    message = """\
    From: {} 
    To: {} 
    Subject: Test Email

    This is a test email."""
    with smtplib.SMTP('localhost') as server:
        server.sendmail(sender_email, receiver_email, message)
    # 使用 socket 创建 TCP/IP 套接字
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.connect(('localhost', 12345))
        s.sendall(b'Hello, world!')
    # 使用 subprocess 运行系统命令
    subprocess.run(['ls', '-l'], check=True)
    # 使用 sys 查看当前进程信息
    for line in sys.stdin:
        print(line.strip())
    # 使用 threading 创建线程
    def print_numbers():
        for i in range(5):
            print(i)
    thread = threading.Thread(target=print_numbers)
    thread.start()
    # 使用 time 获取时间戳
    timestamp = time.time()
    # 使用 urllib.request 下载网页内容
    response = urllib.request.urlopen('http://example.com')
    webpage = response.read()