使用reddit PRAW为每个帖子打印评论时出错：我做错了什么？

编程问答 2022-08-11

问题描述

我正在使用Pandas尝试在subreddit中为每个帖子打印评论。我正在使用PRAW文档以及以下代码，

submission = reddit.submission(id=tmp_id)
            submission.comments.replace_more(limit=None)
            for comment in submission.comments.list():
                 print(comment.body)

尝试执行此操作。下面是我的完整代码。该程序为每个帖子打印“评论检索错误”。有人可以帮助指导我在这里做错什么吗？谢谢！

import requests
import json
import pandas as pd
import praw
from prawcore.exceptions import ResponseException
import time
import csv

first_epoch = 1577836799 
last_epoch = 1577836800 

# Read my keys
with open("keys") as f:
    keys = json.load(f)

# Initialize reddit API
reddit = praw.Reddit(client_id=keys['client_id'],client_secret=keys['client_secret'],user_agent=keys['user_agent'])

def getPushshiftData(after,before):
    url = 'https://api.pushshift.io/reddit/submission/search/?sort_type=created_utc&sort=asc&subreddit=SpotifyPlaylists&after='+ str(after) +"&before"+str(before)+"&size=1000"
    print(url)
    r = requests.get(url)
    data = json.loads(r.text)
    return data['data']

timestamps = list()
post_ids = list()
title = list()
post_title = list()
full_link = list()
description = list()

after = first_epoch

while int(after) < last_epoch:
    data = getPushshiftData(after,last_epoch)
    for post in data:

        try: 
            tmp_time = post['created_utc']
            timestamps.append(tmp_time)

            
        except (KeyError,IndexError):
            timestamps.append("error")

        try:
            tmp_id = post['id']
            post_ids.append(tmp_id)
            print(tmp_id)
            

        except (KeyError,IndexError):
            post_ids.append("error")
            
     
        try:
            submission = reddit.submission(id=tmp_id)
            submission.comments.replace_more(limit=None)
            for comment in submission.comments.list():
                 print(comment.body)
        except:
            print("error in comment retrieval")


            


        after = timestamps[-1]
        print([str(len(post_ids)) + " posts collected so far."])
        time.sleep(0.1)

解决方法

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