我正在使用Reddit的PRAW收集提交内容。我希望能够对提交的文本进行切片并将其保存到一个变量中,以便与硬编码的数字进行比较,以删除每一个其标题大于其数字的提交帖子。
import praw
reddit = praw.Reddit(client_id = 'REDACTED',
client_secret = 'REDACTED',
username = 'REDACTED', password = 'REDACTED',
user_agent = 'REDACTED')
subreddit = reddit.subreddit('NumbersReddit')
new_numpost = subreddit.new(limit=10)
for submission in new_numpost :
if not submission.stickied:
print(50*'-')
print('User: {} '.format(submission.author))
print('Title: {}'.format(submission.title))
print('URL: {}'.format(submission.url))
使用上面的代码作为起点:删除粘贴的提交后,我想获取帖子标题的前两个字符(始终为2个数字,即24),并将其与硬编码进行比较数字,例如18,因此它会删除所有以数字大于18开头的帖子。
以下应为输出:
用户:Example1
标题:18年,我以前没有意识到
URL:https://www.reddit.com/r/NumbersReddit/comments/example1
用户:Example2
标题:我尝试过18次,但这是值得的
URL:https://www.reddit.com/r/NumbersReddit/comments/example2
用户:Example3
标题:18人说节食对他们来说已经足够
URL:https://www.reddit.com/r/NumbersReddit/comments/example3
更改此:
for submission in new_numpost :
if not submission.stickied:
print(50*'-')
print('User: {} '.format(submission.author))
print('Title: {}'.format(submission.title))
print('URL: {}'.format(submission.url))
为此:
for submission in new_numpost :
if not submission.stickied:
title_number = int(submission.title[:2])
if title_number < 25:
print(50*'-')
print('User: {} '.format(submission.author))
print('Title: {}'.format(submission.title))
print('URL: {}'.format(submission.url))
要获取任何字符串的前n个字符,请执行以下操作:
(假设您的标题是“ 18:您好!”)
my_title = '18: Hello!'
print(my_title[:2])
结果:
18
因此,您将在标题行上执行以下操作:print('Title: {}'.format(submission.title[:2]))
假设那里是一个字符串。
一旦有了,就可以将其转换成这样的整数(假设我们尚未对其进行切片):
title = int(title[:2])
然后,您可以与int进行所需的任何比较。
已更新以进一步阐明答案:
似乎您的full标题来自submission.title
,因此您可以基于此创建两个变量:一个名为title_number
的变量,另一个名为title
的变量,其中title_number = int(submission.title[:2])
和title = submission.title
以及您所要做的就是比较title_number
,如果它大于任何数字,则在for循环中打印title
忽略它。
例如(假设submittion.title为'18 Years,但我之前没有意识到这一点']
check_int = 17
for submission in new_numpost:
title = submission.title
title_number = int(submission.title[:2])
if title_number > check_int:
print(title)
应导致:
18 Years and I haven't realised this before
正在打印中