<p>继续评论:</p>
<pre><code>from bs4 import BeautifulSoup
import requests
import datetime
def quotenotify():
timestamp = datetime.datetime.now().strftime("%b %d")
res = requests.get('https://www.brainyquote.com/quote_of_the_day')
soup = BeautifulSoup(res.text, 'lxml')
image_quote = soup.find('img', {'class': 'p-qotd bqPhotoDefault bqPhotoDefaultFw img-responsive delayedPhotoLoad'})['alt']
with open("quotes.log", "w+") as f:
if image_quote not in f.read():
f.write("%s"%timestamp+"\t"+"%s"% image_quote + "\n")
quotenotify()
</code></pre>
<p>编辑:</p>
<p>因为使用模式<code>w+</code>会截断文件,所以我建议使用pathlib:</p>
<pre><code>from bs4 import BeautifulSoup
import requests
import datetime
from pathlib import Path
def quotenotify():
timestamp = datetime.datetime.now().strftime("%b %d")
res = requests.get('https://www.brainyquote.com/quote_of_the_day')
soup = BeautifulSoup(res.text, 'lxml')
image_quote = timestamp + "\t" + soup.find('img', {'class': 'p-qotd bqPhotoDefault bqPhotoDefaultFw img-responsive delayedPhotoLoad'})['alt']
with open("quotes3.log", "a+") as f:
contents = [Path("quotes3.log").read_text()]
print(contents)
print(image_quote)
if image_quote not in contents:
f.write("%s" % timestamp + "\t" + "%s" % image_quote + "\n")
quotenotify()
</code></pre>