爬取新浪微博（搜索含关键词微博及其评论）

import csv
import requests
import json
import re
import jieba
import matplotlib.pyplot as plt
from wordcloud import WordCloud,ImageColorGenerator
import PIL.Image as Image

search=input('请输入关键词:')
url='https://m.weibo.cn/api/container/getIndex?type=all&queryVal={}&featurecode=20000320&luicode=10000011&lfid=106003type%3D1&title={}&containerid=100103type%3D1%26q%3D{}'.format(search,search,search)

def cookie():
    with open('cookie.txt','r') as f:
        cookies={}
        for line in f.read().split(';'):
            name,value=line.strip().split('=',1)
            cookies[name]=value 
        return cookies

headers = {
    'User-Agent': r'xxxxxxxxxxxxxx'
                    r'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
    'Referer': 'https://m.weibo.cn',
    'Connection': 'keep-alive'
    }

results=[]

#抓取微博
i=1
b=[1]
weibo=0
while True:
    if len(b)==0:
        break
    else:
        url_1=url+'&page='+str(i)
        print(url_1)
        r =requests.get(url_1,headers=headers,cookies=cookie()).text
        a=json.loads(r)
        b=a['data']['cards']
        i+=1
        for j in range(len(b)):
            bb=b[j]
            try:
                for c in bb['card_group']:
                    try:
                        d=c['mblog']
                        if d['isLongText']==False:
                            text=d['text']
                            pattern =re.compile(u"[\u4e00-\u9fa5]+")
                            text=re.findall(pattern,text)
                        else:
                            text=d['longText']['longTextContent']
                        results.append(text)
                        weibo+=1
                    except:
                        continue
            except:
                continue

print('共抓取{}条记录'.format(weibo))

pl=[]
for url_2 in links:
    r =requests.get(url_2,headers=headers,cookies=cookie()).text
    a=json.loads(r)
    try:
        num=a['data']['total_number']
        j=0
        for i in range(num//10+1):
            url_3=url_2+'&page='+str(i+1)
            r =requests.get(url_3,headers=headers,cookies=cookie()).text
            a=json.loads(r)
            b=a['data']
            try:
                c=b['hot_data']
                for i in range(len(c)):
                    d=c[i]['text']
                    pattern =re.compile(u"[\u4e00-\u9fa5]+")
                    d=re.findall(pattern,d)
                    j+=1
                    pl.append(d)
                    print(d)
            except:
                c=b['data']
                for i in range(len(c)):
                    d=c[i]['text']
                    pattern =re.compile(u"[\u4e00-\u9fa5]+")
                    d=re.findall(pattern,d)
                    j+=1
                    pl.append(d)
                    print(d)
        print('%s条评论'%j)
    except:
        print('无评论')

def word_cloud(results,search):
    siglist=[]
    for ii in results:
        try:
            signature=ii.strip().replace('http:t.cn','').replace('的','').replace('地','').replace('了','').replace('是','').replace('在','').replace('/','').replace('emoji','')
            rep=re.compile('1f\d+\w*|[<>/=]')
            signature=rep.sub('',signature)
            siglist.append(signature)
        except:
            for jj in ii:
                signature=jj.strip().replace('http:t.cn','').replace('的','').replace('地','').replace('了','').replace('是','').replace('在','').replace('/','').replace('emoji','')
                rep=re.compile('1f\d+\w*|[<>/=]')
                signature=rep.sub('',signature)
                siglist.append(signature)
    text=''.join(siglist)

    wordlist=jieba.cut(text,cut_all=True)
    word_space_split=" ".join(wordlist)

    coloring=np.array(Image.open("1.jpg"))
    my_wordcloud=WordCloud(background_color='white',width=2400,height=2400,max_words=2000,
                           mask=coloring,max_font_size=60,
                           random_state=42,scale=2,
                           font_path="simfang.ttf").generate(
                               word_space_split)
    image_colors=ImageColorGenerator(coloring)
    plt.imshow(my_wordcloud.recolor(color_func=image_colors))
    plt.imshow(my_wordcloud)
    plt.axis('off')
    plt.show
    my_wordcloud.to_file('{}.png'.format(search))

word_cloud(pl,results)
word_cloud(pl,search)

这里我爬取了有关“母亲节”的微博，并生成词云