python门户网站文件爬取并显示

广西南宁政府门面网站

import requests
import os
import io
import numpy as np
from concurrent.futures import ThreadPoolExecutor
from bs4 import BeautifulSoup
import time
import pdfplumber
import pandas as pd
from docx import Document
import docx
import win32com.client as win32
import zipfile
import xlrd
headers=[
    {'user-agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36'},
    {'user-agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 Edg/116.0.1938.76'}
]
temp=''
with open('D:/t.txt','r',encoding='utf-8') as f:
    temp=f.read()
contents=[]
def get_pdf_content(url,title):
    response = requests.get(url)
    pdf_content = io.BytesIO(response.content)
    with open(f'D:/{title}', 'wb') as f:
        f.write(pdf_content.read())
    print(f'D:/{title}')
    if 'D:/308 南宁市卫生和计划生育委员会2018年部门预算及"三公"经费预算/308南宁市卫生和计划生育委员会及所属单位2018年部门预算及"三公"经费预算公开.pdf'==f'D:/{title}':
        return ''
    texts=[]
    with pdfplumber.open(f'D:/{title}') as pdf:
        for page in pdf.pages:
            text = page.extract_text()#提取文本
            texts.append(text)
    return ' '.join(texts)
def doc_to_docx(title):
    word = win32.Dispatch("Word.Application")
    doc = word.Documents.Open('D:\\'+title)
    doc.SaveAs('D:\\'+title+'x')
    doc.Close()
    word.Quit()
def get_doc_content(url,title):
    response = requests.get(url)
    pdf_content = io.BytesIO(response.content)
    with open(f'D:/{title}', 'wb') as f:
        f.write(pdf_content.read())
    print(f'D:/{title}')
    #doc_to_docx(title)
    texts=[]
    if f'D:/{title}'=='D:/市工信委2017年部门预算及"三公"经费公开.docx' or 'D:/2017年部门预算公开-政府办公厅.docx'==f'D:/{title}' or 'D:/政务办2017年部门预算及"三公"经费公开 (1).doc'==f'D:/{title}' or 'D:/南宁市茅桥地区人民检察院2018年部门预算及"三公"经费预算.doc'==f'D:/{title}' or 'D:/017  南宁市审计局2018年部门预算及"三公"经费预算.doc'==f'D:/{title}' or 'D:/南宁市人大常委会办公厅2018年部门预算及"三公"经费预算 (1).doc'==f'D:/{title}' or 'D:/2017年市民宗委预算公开 (1).doc'==f'D:/{title}' or 'D:/预算 名词解释.docx'==f'D:/{title}' or 'D:/南宁市编办2017年部门预算公开名词解释.docx'==f'D:/{title}' or 'D:/南宁市编办2016年决算收支增减变化情况说明.docx'==f'D:/{title}':
        return ''
    app = win32.DispatchEx("Word.Application")
    doc = app.Documents.Open(f'D:/{title}')
    content = doc.Content.Text
    app.Quit()
    return content
def get_xls_content(url,title):
    response = requests.get(url)
    pdf_content = io.BytesIO(response.content)
    with open(f'D:/{title}', 'wb') as f:
        f.write(pdf_content.read())
    print(f'D:/{title}')
    try:  
        # 尝试打开文件  
        with open(f'D:/{title}', 'rb') as file:
            pass
    except Exception as e:  
        return ''
    if f'D:/{title}'=='D:/附件---市发展改革委2018年预算公开附件.xlsx' or f'D:/{title}'=='D:/2017预算公开附件-市人大.xls' or 'D:/南宁市科协2020年部门预算公开附件.xlsx'==f'D:/{title}' or 'D:/宣传部2017年预算公开附件0309.xlsx'==f'D:/{title}':
        return ''
    if title.split('.')[-1]=='xls':
        df = pd.read_excel(f'D:/{title}',engine='xlrd')
    elif title.split('.')[-1]=='xlsx':
        df = pd.read_excel(f'D:/{title}',engine='openpyxl')
    else:
        return ''
    return df.to_string(index=False)
def solve_file(file_type,file_url,title):
    content=''
    if file_type=='pdf':
        content=get_pdf_content(file_url,title)
    elif file_type=='doc' or file_type=='docx':
        content=get_doc_content(file_url,title)
    elif file_type=='xls' or file_type=='xlsx' or file_type=='XLS':
        content=get_xls_content(file_url,title)
    return content
def unzip_file(save_file,unzip_dir_path):
# 打开压缩包
    file_name=[]
    with zipfile.ZipFile(save_file, 'r') as zip_file:
        # 获取所有文件列表
        for zip_info in zip_file.infolist():
            

            # 如果是文件，先将文件名从gbk编码转换为utf-8编码
            # print(type(zip_info.filename.encode('cp437').decode('gbk').encode('utf-8')))
            zip_info.filename = zip_info.filename.encode('cp437').decode('gbk')
            # 解压文件
            zip_file.extract(zip_info, unzip_dir_path)
            file_name.append(zip_info.filename)
        return file_name
def get_file(url,base,year,date):
    time.sleep(10)
    r=requests.get(url,headers=np.random.choice(headers))#利用request的get函数连接到网址
    if r.status_code!=200:
        print('connect error!')
        r=requests.get(url,headers=np.random.choice(headers))
        if r.status_code!=200:
            return
    r.encoding='utf-8'
    soup = BeautifulSoup(r.text, 'html.parser')  
    hrefs=soup.find('div',class_='downfile').find_all('a')

    for href in hrefs:
        file_url=base+href['href']
        file_type=file_url.split('.')[-1]#获取文件类型
        print(file_type)
        title=href.text
        if '.' not in title:
            title+='.'+file_type
        t=solve_file(file_type,file_url,title)
        if t!='':
            content=[]
            content.append(year)
            content.append(date)
            content.append('广西')
            content.append('南宁市')
            content.append(title)
            content.append(t)
            content.append('预算公开')
            content.append(file_url)
            contents.append(content)
            print(content)
        elif file_type=='zip':
            response = requests.get(file_url)
            with open(f'D:/{title}', 'wb') as f:
                f.write(response.content)
            print(f'D:/{title}')
            if 'D:/17年预算信息公开.zip'==f'D:/{title}' or 'D:/卫计委2017年部门预算公开.zip'==f'D:/{title}':
                continue
            file_name=unzip_file(f'D:/{title}','D:/')
            for name in file_name:
                path='D:/'+name
                zip_file_type=path.split('.')[-1]
                t=temp
                if zip_file_type=='xls' or zip_file_type=='xlsx' or zip_file_type=='doc' or zip_file_type=='XLS':
                    pass
                else:
                    t=solve_file(zip_file_type,'https://www.nanning.gov.cn/zwgk/fdzdgknr/czxx/sbjyjs/sbjbmys/2017bmys/P020171030399005252620.doc',name)
                
                content=[]
                content.append(year)
                content.append(date)
                content.append('广西')
                content.append('南宁市')
                content.append(path.split('/')[-1])
                
                content.append(t)
                content.append('预算公开')
                content.append(file_url)
                contents.append(content)
                print(content)
            continue
        elif file_type=='rar':
            continue
        
def get_url(urls,year):#每年的总页面
    time.sleep(10)
    r=requests.get(urls,headers=np.random.choice(headers))
    if r.status_code!=200:
        print('connect error!')
        r=requests.get(url,headers=np.random.choice(headers))
        if r.status_code!=200:
            return
    r.encoding='utf-8'
    soup = BeautifulSoup(r.text, 'html.parser')  
    hrefs=soup.find('div',class_='nav1Cont').find_all('li')
    for href in hrefs:
        date=href.find('span',class_='time').text
        href=href.find('a')
        base=href['href']
        url=base_urls+base
        title=href.text.strip()
        net_type=url.split('.')[-1]
        if net_type=='pdf':
            content=[]
            content.append(year)
            content.append(date)
            content.append('广西')
            content.append('南宁市')
            content.append(title)
            t=get_pdf_content(url,title+'.pdf')
            if t.strip()=='':
                t=temp
            content.append(t)
            content.append('预算公开')
            content.append(url)
            contents.append(content)
            print(content)
            continue
        get_file(url,base_urls,year,date)

for year in range(2018,2023):
    base_urls=f'https://www.nanning.gov.cn/zwgk/fdzdgknr/czxx/sbjyjs/sbjbmys/{year}bmys/'
    
    get_url(base_urls,year)
    for i in range(1,7):
        url=f'https://www.nanning.gov.cn/zwgk/fdzdgknr/czxx/sbjyjs/sbjbmys/{year}bmys/index_{i}.html'
        r=requests.get(url)
        if r.status_code!=200:
            break
        get_url(url,year)
    
df=pd.DataFrame(contents,columns=['年份','发布日期','省份','城市','标题','文本','类型','下载链接'])
df.to_excel('D:/广西-南宁-部门预算2017.xlsx',index=False)

爬取网页附件，根据文件类型分类处理，显示文件内容并制成表格