豆瓣音乐

豆瓣音乐.py

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+import requests
+from lxml import etree
+import re
+import pymongo
+import time
+
+client = pymongo.MongoClient('localhost', 27017)
+mydb = client['mydb']
+musictop = mydb['musictop']
+
+headers = {
+    'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36'
+}
+
+def get_url_music(url):
+    html = requests.get(url,headers=headers)
+    selector = etree.HTML(html.text)
+    music_hrefs = selector.xpath('//a[@class="nbg"]/@href')
+    i=1
+    for music_href in music_hrefs:
+        get_music_info(music_href,i)
+        i=i+1
+
+def get_music_info(url,i):
+    html = requests.get(url,headers=headers)
+    selector = etree.HTML(html.text)
+    name = selector.xpath('//*[@id="wrapper"]/h1/span/text()')[0]
+    # author = selector.xpath('//*[@id="info"]/span[1]/span/a/text()')
+    author = re.findall('表演者:.*?>(.*?)</a>',html.text,re.S)[0]
+    styles = re.findall('<span class="pl">流派:</span>&nbsp;(.*?)<br />',html.text,re.S)
+    if len(styles) == 0:
+        style = '未知'
+    else:
+        style = styles[0].strip()
+    time = re.findall('发行时间:</span>&nbsp;(.*?)<br />',html.text,re.S)[0].strip()
+    publishers = re.findall('<span class="pl">出版者:</span>&nbsp;(.*?)<br />',html.text,re.S)
+    if len(publishers) == 0:
+        publisher = '未知'
+    else:
+        publisher = publishers[0].strip()
+    score = selector.xpath('//*[@id="interest_sectl"]/div/div[2]/strong/text()')[0]
+    print(name,author,style,time,publisher,score)
+    info = {
+        'id':i,
+        'name':name,
+        'author':author,
+        'style':style,
+        'time':time,
+        'publisher':publisher,
+        'score':score
+    }
+    musictop.insert_one(info)
+
+if __name__ == '__main__':
+    urls = ['https://music.douban.com/top250?start={}'.format(str(i)) for i in range(0,250,25)]
+
+    for url in urls:
+        get_url_music(url)
+        time.sleep(2)