Lære Attributter og Indhold af Flere Elementer | Arbejde med Elementattributter i Beautiful Soup

Alle metoderne, der blev gennemgået i det foregående kapitel, kan anvendes på elementer med et specifikt tag, det vil sige på resultatet af .find_all()-metoden. Da .find_all() dog returnerer en liste, skal du tilgå attributter og metoder for hvert element separat. Brug en for-løkke til dette formål. For eksempel kan du hente alle attributter for alle <div>-elementer.


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# Importing libraries
from bs4 import BeautifulSoup
from urllib.request import urlopen

# Reading web page
url = "https://codefinity-content-media.s3.eu-west-1.amazonaws.com/18a4e428-1a0f-44c2-a8ad-244cd9c7985e/jesus.html"
page = urlopen(url)
html = page.read().decode("utf-8")

# Reading HTML with BeautifulSoup
soup = BeautifulSoup(html, "html.parser")
for div in soup.find_all("div"):
  print(div.attrs)

Den samme tilgang fungerer til at udtrække tekst. For eksempel kan du hente al tekst fra hvert <p>-element.


              12345678910111213
            
# Importing libraries
from bs4 import BeautifulSoup
from urllib.request import urlopen

# Reading web page
url = "https://codefinity-content-media.s3.eu-west-1.amazonaws.com/18a4e428-1a0f-44c2-a8ad-244cd9c7985e/jesus.html"
page = urlopen(url)
html = page.read().decode("utf-8")

# Reading HTML with BeautifulSoup
soup = BeautifulSoup(html, "html.parser")
for p in soup.find_all("p"):
  print(p.get_text())

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Sektion 3. Kapitel 3

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Suggested prompts:

Can you explain how the `.attrs` attribute works in BeautifulSoup?

What other tags can I use with `.find_all()` besides `<div>` and `<p>`?

How can I filter elements by class or id using BeautifulSoup?

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              12345678910111213
            
# Importing libraries
from bs4 import BeautifulSoup
from urllib.request import urlopen

# Reading web page
url = "https://codefinity-content-media.s3.eu-west-1.amazonaws.com/18a4e428-1a0f-44c2-a8ad-244cd9c7985e/jesus.html"
page = urlopen(url)
html = page.read().decode("utf-8")

# Reading HTML with BeautifulSoup
soup = BeautifulSoup(html, "html.parser")
for div in soup.find_all("div"):
  print(div.attrs)

Den samme tilgang fungerer til at udtrække tekst. For eksempel kan du hente al tekst fra hvert <p>-element.


              12345678910111213
            
# Importing libraries
from bs4 import BeautifulSoup
from urllib.request import urlopen

# Reading web page
url = "https://codefinity-content-media.s3.eu-west-1.amazonaws.com/18a4e428-1a0f-44c2-a8ad-244cd9c7985e/jesus.html"
page = urlopen(url)
html = page.read().decode("utf-8")

# Reading HTML with BeautifulSoup
soup = BeautifulSoup(html, "html.parser")
for p in soup.find_all("p"):
  print(p.get_text())

Var alt klart?

Tak for dine kommentarer!

Sektion 3. Kapitel 3