IPython Failing to Run Code

Question

I was trying out this Python code from a training website in IPython:

from bs4 import BeautifulSoup

import requests

url = raw_input("www.google.com")

r  = requests.get("http://" +url)

data = r.text

soup = BeautifulSoup(data)

for link in soup.find_all('a'):
    print(link.get('href'))

and found that it ran fine on the first try. I've now tried simply restarting the kernel, opening a new notebook, and generally returning the settings to how they were when I first ran the program with no luck. Why might IPython be failing to run the code and giving no response at all (as though I haven't clicked anything)?

Jack · Accepted Answer · 2014-08-27 20:11:06Z

1

Seems like raw_input is not supported by IPython. So it's probably just hanging there. If you change:

url = raw_input("www.google.com")

to

url = "www.google.com"

it should work.

answered Aug 27, 2014 at 20:11

Jack

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3 Comments

Max Power Over a year ago

When I try that I get an 'invalid syntax' error. I'm also skeptical because it did work the first time for some reason with the bracket syntax. Thanks though!

Jack Over a year ago

@MaxPower So you're saying on your first successful run it actually prompted you for input? The first argument to raw_input is the prompt text. So "www.google.com" doesn't really make much sense there. Something like "Enter URL for link extraction:" would make more sense.

Max Power Over a year ago

You're right. I was completely misreading the code. That was pretty silly.

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