Python Html相关用法

from html.parser import HTMLParser

class HeadingParser(HTMLParser):
    inHeading=False
    def handle_starttag(self,tag,attrs):
        if tag=="h1":
            self.inHeading=True
            print("Found a Heading 1")
    def handle_data(self,data):
        if  self.inHeading:
            print(data)
    def handle_endtag(self,tag):
        if tag=="h1":
            self.inHeading=False
hParser=HeadingParser()
file=open("headings.html","r",encoding='utf-8')
html=file.read()
file.close()
hParser.feed(html)