URL이 끝나지 않을 때 imgur에서 이미지를 검색하는 데이 코드의 일부를 사용했습니다. .png/.jpg와 같은 이미지 확장명. 그러나 나는이 오류가 나타납니다. 살펴보고 수정 제안하십시오 :image_url = soup.select ('. 이미지 a') [0] [ 'href'] IndexError : 인덱스가 범위를 벗어남
import datetime
import praw
import re
import urllib
import requests
from bs4 import BeautifulSoup
sub = 'dog'
imgurUrlPattern = re.compile(r'(http://i.imgur.com/(.*))(\?.*)?')
r = praw.Reddit(user_agent = "download all images from a subreddit",
user_site = "lamiastella")
already_done = []
#checkWords = ['i.imgur.com', 'jpg', 'png',]
check_words = ['jpg', 'png']
subreddit = r.get_subreddit(sub)
for submission in subreddit.get_hot(limit=10000):
is_image = any(string in submission.url for string in check_words)
print '[LOG] Getting url: ' + submission.url
if submission.id not in already_done and is_image:
if submission.url.endswith('/'):
modified_url = submission.url[:len(submission.url)-1]
try:
urllib.urlretrieve(modified_url, '/home/jalal/computer_vision/image_retrieval/images/' + datetime.datetime.now().strftime('%y-%m-%d-%s') + modified_url[-4:])
except IOError:
pass
else:
try:
urllib.urlretrieve(submission.url, '/home/jalal/computer_vision/image_retrieval/images/' + datetime.datetime.now().strftime('%y-%m-%d-%s') + submission.url[-4:])
except IOError:
pass
already_done.append(submission.id)
print '[LOG] Done Getting ' + submission.url
print('{0}: {1}'.format('submission id is', submission.id))
elif 'http://imgur.com/' in submission.url:
# This is an Imgur page with a single image.
html_source = requests.get(submission.url).text # download the image's page
soup = BeautifulSoup(html_source, "lxml")
image_url = soup.select('.image a')[0]['href']
if image_url.startswith('//'):
# if no schema is supplied in the url, prepend 'http:' to it
image_url = 'http:' + image_url
image_id = image_url[image_url.rfind('/') + 1:image_url.rfind('.')]
urllib.urlretrieve(image_url, '/home/jalal/computer_vision/image_retrieval/images/' + datetime.datetime.now().strftime('%y-%m-%d-%s') + image_url[-4:])
오류는 다음과 같습니다
[LOG] Getting url: http://imgur.com/a/yOLjm
Traceback (most recent call last):
File "download_images.py", line 43, in <module>
image_url = soup.select('.image a')[0]['href']
IndexError: list index out of range
사용'인쇄가 필요합니다 (수프 .select ('. image a'))'- 아마도 빈 목록을 얻게되어 [0] 요소를 얻을 수 없습니다. – furas
당신이'.image img'와'src' - soup.select ('. image img') [0] [ 'src']' – furas