Python cutting string results in error

Question

I am trying to cut my string from "<em class=\"txt\">" to </em">.

type = line[line.find("<em class=\"txt\">")+16:line.find(line.find("</em>"),line.find("<em class=\"txt\">"))]

And this is error:

TypeError: Can't convert 'int' object to str implicitly

I sure there's something wrong with adding int in this code. But why it want to convert int to str? I want to add int to result of line.find() so also to int. It should work properly.

Generally I want to achieve this:

Input:

<em class="txt">blablabla</em>

Output:

blablabla

Perhaps you should be using an XML/HTML parser...

MattDMo
– MattDMo

2015-04-13 19:39:39 +00:00
Commented Apr 13, 2015 at 19:39 — MattDMo
– MattDMo, Commented Apr 13, 2015 at 19:39
@MattDMo It's not necessary in this project.

karlosos
– karlosos

2015-04-13 19:40:58 +00:00
Commented Apr 13, 2015 at 19:40 — karlosos
– karlosos, Commented Apr 13, 2015 at 19:40

Scott Hunter · Accepted Answer · 2015-04-13 19:44:00Z

1

Your first argument to the line.find after the : is the result of calling line.find(), which yields the int that the error is complaining about.

answered Apr 13, 2015 at 19:44

Scott Hunter

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1 Comment

karlosos Over a year ago

Yeah! Thank you. That was pretty obvious.

Avinash Raj · Accepted Answer · 2015-04-13 19:46:19Z

1

You could use Beautiful Soup parser.

>>> from bs4 import BeautifulSoup
>>> s = '<em class="txt">blablabla</em>'
>>> soup = BeautifulSoup(s)
>>> soup.select('em.txt')[0].text
'blablabla'

edited Apr 13, 2015 at 19:46

answered Apr 13, 2015 at 19:41

Avinash Raj

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