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鍍金池/ 問答/Python/ 爬出來(lái)的數(shù)據(jù)有none,如何遍歷 TypeError: 'NoneType'

爬出來(lái)的數(shù)據(jù)有none,如何遍歷 TypeError: 'NoneType' object is not iterable

爬出來(lái)的圖片images有None,for循環(huán)提示:TypeError: 'NoneType' object is not iterable

import requests
from urllib.parse import urlencode
import os
from hashlib import md5
from multiprocessing.pool import Pool


def get_page(offset):
    params = {
        'offset': offset,
        'format': 'json',
        'keyword': '街拍',
        'autoload': 'true',
        'count': '20',
        'cur_tab': '1',
    }
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6'
    }
    url = 'http://www.toutiao.com/search_content/?' + urlencode(params)
    try:
        response = requests.get(url,headers=headers)
        if response.status_code == 200:
            return response.json()
    except requests.ConnectionError:
        return None

def get_images(json):
    if json.get('data'):
        for item in json.get('data'):
            title = item.get('title')
            images = item.get('image_list')
            print(images)
            for item in images:
                print(item)
            
json=get_page(0)
get_images(json)
     

打印了data是以下內(nèi)容

[{'cell_type': 51, 'id_str': '1914010784', 'tokens': ['街拍'], 'id': 1914010784, 'key_info': {}, 'display': {'results': [{'img_url': 'https://p3.pstatp.com/w320/31c600009c0969c4b980', 'original_page_url': 'http://www.toutiao.com/a6446609483727667470', 'img': 'https://p3.pstatp.com/w640/31c600009c0969c4b980', 'id': '31c600009c0969c4b980', 'width': 606, 'original_image_url': '', 'text': '路人街拍, 韻味十足的少婦和清純可愛的妹子你更喜歡哪個(gè)?', 'height': 883, 'score': 37.766384, 'page_url': 'https://stock.tuchong.com/toutiao/search?trigger_all=1&term=%E8%A1%97%E6%8B%8D&search_from=toutiaosearch&search_id=98D7A24E2C85D96E31B8417B70495AD7&from_img_id=31c600009c0969c4b980'}, {'img_url': 'https://p3.pstatp.com/w320/2eda00018e9157324339', 'original_page_url': 'http://www.toutiao.com/a6443565467521368322', 'img': 'https://p3.pstatp.com/w640/2eda00018e9157324339', 'id': '2eda00018e9157324339', 'width': 639, 'original_image_url': '', 'text': '街拍美女:藍(lán)色緊身包臀裙的微胖美女', 'height': 929, 'score': 53.446358, 'page_url': 'https://stock.tuchong.com/toutiao/search?trigger_all=1&term=%E8%A1%97%E6%8B%8D&search_from=toutiaosearch&search_id=98D7A24E2C85D96E31B8417B70495AD7&from_img_id=2eda00018e9157324339'}, {'img_url': 'https://p3.pstatp.com/w320/243800026fcf510fc0b7', 'original_page_url': 'http://www.toutiao.com/a6428929553491034369', 'img': 'https://p3.pstatp.com/w640/243800026fcf510fc0b7', 'id': '243800026fcf510fc0b7', 'width': 460, 'original_image_url': '', 'text': '時(shí)尚辣媽黑色緊身褲,帶著太陽(yáng)帽頂著烈日出來(lái)運(yùn)動(dòng),這身裝扮秒殺眾多路人', 'height': 736, 'score': 38.223293, 'page_url': 'https://stock.tuchong.com/toutiao/search?trigger_all=1&term=%E8%A1%97%E6%8B%8D&search_from=toutiaosearch&search_id=98D7A24E2C85D96E31B8417B70495AD7&from_img_id=243800026fcf510fc0b7'}, {'img_url': 'https://p3.pstatp.com/w320/31e90003b9e4ffcca0e4', 'original_page_url': 'http://www.toutiao.com/a6451333778619056397', 'img': 'https://p3.pstatp.com/w640/31e90003b9e4ffcca0e4', 'id': '31e90003b9e4ffcca0e4', 'width': 640, 'original_image_url': '', 'text': '異常豐滿的辣媽,把上衣?lián)蔚脻M滿的,看似不休閑的褲子同樣緊緊的。', 'height': 960, 'score': 37.172398, 'page_url': 'https://stock.tuchong.com/toutiao/search?trigger_all=1&term=%E8%A1%97%E6%8B%8D&search_from=toutiaosearch&search_id=98D7A24E2C85D96E31B8417B70495AD7&from_img_id=31e90003b9e4ffcca0e4'}, {'img_url': 'https://p3.pstatp.com/w320/31c400047c99b09f277a', 'original_page_url': 'http://www.toutiao.com/a6447248503286268173', 'img': 'https://p3.pstatp.com/w640/31c400047c99b09f277a', 'id': '31c400047c99b09f277a', 'width': 658, 'original_image_url': '', 'text': '給人奪目惹眼的視覺打擊感,兩種色彩恰好很搭,穿上顯示出春日的生動(dòng)。提拔時(shí)髦感,存眷每個(gè)細(xì)節(jié),重要是不挑人穿,手感順滑,質(zhì)量也是挺好的一款,隨便復(fù)雜更有特性,奇妙的諱飾腰部贅肉。', 'height': 987, 'score': 54.14379, 'page_url': 'https://stock.tuchong.com/toutiao/search?trigger_all=1&term=%E8%A1%97%E6%8B%8D&search_from=toutiaosearch&search_id=98D7A24E2C85D96E31B8417B70495AD7&from_img_id=31c400047c99b09f277a'}], 'status': 1, 'queryLabelID': -1, 'search_url': 'https://stock.tuchong.com/toutiao/search?trigger_all=1&term=%E8%A1%97%E6%8B%8D&search_from=toutiaosearch&search_id=98D7A24E2C85D96E31B8417B70495AD7', 'total_count': 657770, 'term': '街拍', 'message': '', 'title': '路人街拍, 韻味十足的少婦和清純可愛的妹子你更喜歡哪個(gè)? 街拍美女:藍(lán)色緊身包臀裙的微胖美女 時(shí)尚辣媽黑色緊身褲,帶著太陽(yáng)帽頂著烈日出來(lái)運(yùn)動(dòng),這身裝扮秒殺眾多路人 異常豐滿的辣媽,把上衣?lián)蔚脻M滿的,看似不休閑的褲子同樣緊緊的。 給人奪目惹眼的視覺打擊感,兩種色彩恰好很搭,穿上顯示出春日的生動(dòng)。提拔時(shí)髦感,存眷每個(gè)細(xì)節(jié),重要是不挑人穿,手感順滑,質(zhì)量也是挺好的一款,隨便復(fù)雜更有特性,奇妙的諱飾腰部贅肉。', 'queryLabel': ''}, 'ala_src': 'image'}, {'image_url': '//p1.pstatp.com/large/pgc-image/1521893890229b2ad3ac79c', 'item_source_url': '/group/6536484602645578248/', 'tag': 'news_fashion', 'comment_count': 10, 'abstract': '中西風(fēng)格的搭配感覺長(zhǎng)度合適,剪裁立體且不拖沓2.很有質(zhì)感的斗篷式套裝+短裙,氣質(zhì)滿分的小仙女姐姐3。', 'id': '6536484602645578248', 'open_url': 'sslocal://detail?aggr_type=0&article_type=0&gd_ext_json=%7B%22city%22%3A%22%22%2C%22log_pb%22%3A%7B%22impr_id%22%3A%22201803251057441720180250358476B7%22%7D%2C%22query%22%3A%22%E8%A1%97%E6%8B%8D%22%2C%22search_result_id%22%3A6536484602645578248%2C%22source%22%3A%22%E6%B5%B7%E7%8E%B2%E6%97%B6%E5%B0%9A%22%7D&gd_label=click_search&group_flags=0&groupid=6536484602645578248&item_id=6536484602645578248', 'media_avatar_url': '//p3.pstatp.com/medium/382f0005b0e7dbc47d8d', 'media_url': 'http://toutiao.com/m1562530317664257/', 'comments_count': 10, 'large_mode': False, 'create_time': '1521900494', 'keyword': '街拍', 'image_list': [{'url': '//p3.pstatp.com/list/pgc-image/1521893890229b2ad3ac79c'}, {'url': '//p1.pstatp.com/list/pgc-image/152189389023665d640dafa'}, {'url': '//p3.pstatp.com/list/pgc-image/1521893890161230ab4b089'}], 'has_gallery': False, 'article_url': 'http://toutiao.com/group/6536484602645578248/', 'source_url': '/group/6536484602645578248/', 'has_video': False, 'user_id': 58444595361, 'group_id': '6536484602645578248', 'item_id': '6536484602645578248', 'single_mode': True, 'media_name': '海玲時(shí)尚', 'user_auth_info': {}, 'more_mode': True, 'datetime': '2018-03-24 22:08:14', 'highlight': {'source': [], 'title': [[2, 2]], 'abstract': []}, 'behot_time': '1521900494', 'media_creator_id': 58444595361, 'title': '成都街拍, 黑色衛(wèi)衣搭配同色系運(yùn)動(dòng)褲, 簡(jiǎn)約又大方!', 'share_url': 'http://toutiao.com/group/6536484602645578248/', 'middle_mode': False, 'tag_id': 6536484602645578248, 'seo_url': '/group/6536484602645578248/', 'has_image': True, 'source': '海玲時(shí)尚', 'show_play_effective_count': 0}, {'merge_user': [{'user_type': '1', 'user_auth_info': {'auth_type': '0', 'auth_info': '街拍達(dá)人'}, 'id': '6685177416', 'is_pgc': 1, 'create_time': '1465346690', 'verify_content': '街拍達(dá)人', 'user_verified': '0', 'avatar_url': 'http://p3.pstatp.com/medium/6cb000fd8de5eec5814', 'gender': '1', 'verified_content': '', 'highlight': {'name': [[7, 2]]}, 'user_decoration': {}, 'description': '人像捉影 人文紀(jì)實(shí) 旅游風(fēng)光 頂級(jí)原創(chuàng)街拍', 'name': '皇城根五爺原創(chuàng)街拍', 'media_id': '6682998606', 'source_url': 'http://www.toutiao.com/c/user/6685177416/', 'screen_name': '皇城根五爺原創(chuàng)街拍', 'user_id': '6685177416', 'follow_count': 25166}, {'user_type': '1', 'user_auth_info': {'auth_type': '0', 'auth_info': '街拍達(dá)人'}, 'id': '60826430229', 'is_pgc': 1, 'create_time': '1495799568', 'verify_content': '街拍達(dá)人', 'user_verified': '0', 'avatar_url': 'http://p3.pstatp.com/medium/289c0010c0a05c536d4b', 'gender': '1', 'verified_content': '', 'highlight': {'name': [[2, 2]]}, 'user_decoration': {}, 'description': '重慶/首爾 路人街拍 分享你生活中的時(shí)尚', 'name': '小五街拍', 'media_id': '1570735468682241', 'source_url': 'http://www.toutiao.com/c/user/60826430229/', 'screen_name': '小五街拍', 'user_id': '60826430229', 'follow_count': 2378}, {'user_type': '1', 'user_auth_info': {'auth_type': '0', 'auth_info': '搞笑自媒體'}, 'id': '5826291222', 'is_pgc': 1, 'create_time': '1450370560', 'verify_content': '搞笑自媒體', 'user_verified': '0', 'avatar_url': 'http://p1.pstatp.com/medium/10687/2312895944', 'gender': '0', 'verified_content': '', 'highlight': {'name': [[2, 2]]}, 'user_decoration': {}, 'description': '暴走街拍主要以采訪高顏值對(duì)象為主,風(fēng)格青春向上,話題有趣貼近生活。', 'name': '暴走街拍', 'media_id': '5826291222', 'source_url': 'http://www.toutiao.com/c/user/5826291222/', 'screen_name': '暴走街拍', 'user_id': '5826291222', 'follow_count': 78507}, {'user_type': '1', 'id': '51668981019', 'is_pgc': 1, 'gender': '2', 'create_time': '1476770441', 'user_verified': '0', 'avatar_url': 'http://p1.pstatp.com/medium/71a20001c348a1691b83', 'screen_name': '街拍路人甲', 'verified_content': '', 'highlight': {'name': [[0, 2]]}, 'user_decoration': {}, 'description': '本職記者,偏愛街拍,和更多路人甲結(jié)緣', 'name': '街拍路人甲', 'source_url': 'http://www.toutiao.com/c/user/51668981019/', 'media_id': '51669088033', 'user_id': '51668981019', 'follow_count': 23892}, {'user_type': '1', 'id': '50018626654', 'is_pgc': 1, 'gender': '0', 'create_time': '1470016231', 'user_verified': '0', 'avatar_url': 'http://p3.pstatp.com/medium/97e0016cb071b0c0037', 'screen_name': '街拍美女', 'verified_content': '', 'highlight': {'name': [[0, 2]]}, 'user_decoration': {}, 'description': '愛街拍,展現(xiàn)時(shí)尚自然美!', 'name': '街拍美女', 'source_url': 'http://www.toutiao.com/c/user/50018626654/', 'media_id': '50015024950', 'user_id': '50018626654', 'follow_count': 27465}, {'user_type': '1', 'id': '20355086918', 'is_pgc': 1, 'gender': '1', 'create_time': '1472286452', 'user_verified': '0', 'avatar_url': 'http://p3.pstatp.com/medium/e5800033c20c4063fb9', 'screen_name': '龍哥街拍', 'verified_content': '', 'highlight': {'name': [[2, 2]]}, 'user_decoration': {}, 'description': '愛美之心,人皆有之!', 'name': '龍哥街拍', 'source_url': 'http://www.toutiao.com/c/user/20355086918/', 'media_id': '50887697693', 'user_id': '20355086918', 'follow_count': 45328}, {'user_type': '1', 'id': '6681524201', 'is_pgc': 1, 'gender': '1', 'create_time': '1465286486', 'user_verified': '0', 'avatar_url': 'http://p3.pstatp.com/medium/d29001188d400c269d9', 'screen_name': '街拍美眉', 'verified_content': '', 'highlight': {'name': [[0, 2]]}, 'no_display_pgc_icon': '0', 'user_decoration': {}, 'description': '分享街上的時(shí)尚美女寫真', 'name': '街拍美眉', 'source_url': 'http://www.toutiao.com/c/user/6681524201/', 'media_id': '50979590712', 'user_id': '6681524201', 'follow_count': 15316}, {'user_type': '1', 'id': '71172384643', 'is_pgc': 1, 'gender': '1', 'create_time': '1507083238', 'user_verified': '0', 'avatar_url': 'http://p3.pstatp.com/medium/3e5d0000ccca9f91e2ea', 'screen_name': '小趙街拍', 'verified_content': '', 'highlight': {'name': [[2, 2]]}, 'user_decoration': {}, 'description': '最美好的街拍,拍最美的城市', 'name': '小趙街拍', 'source_url': 'http://www.toutiao.com/c/user/71172384643/', 'media_id': '1580291430716430', 'user_id': '71172384643', 'follow_count': 141469}, {'user_type': '1', 'user_auth_info': {'auth_type': '0', 'other_auth': {'pgc': '頭條號(hào)時(shí)尚原創(chuàng)作者'}, 'auth_info': '頭條號(hào)時(shí)尚原創(chuàng)作者'}, 'id': '6203908847', 'is_pgc': 1, 'create_time': '1459130707', 'verify_content': '頭條號(hào)時(shí)尚原創(chuàng)作者', 'user_verified': '0', 'avatar_url': 'http://p3.pstatp.com/medium/2b7002107206ebc4a7e', 'gender': '0', 'verified_content': '', 'highlight': {'name': [[2, 2]]}, 'user_decoration': {}, 'description': '大帥比和小美膩の聚集地。', 'name': '粵B街拍', 'media_id': '6212033896', 'source_url': 'http://www.toutiao.com/c/user/6203908847/', 'screen_name': '粵B街拍', 'user_id': '6203908847', 'follow_count': 125807}], 'cell_type': 58, 'id': '6203908847', 'keyword': '街拍'}, {'image_url': '//p3.pstatp.com/large/36450008698f1cde9f5f', 'item_source_url': '/group/6455485530577568269/', 'tag': 'news_photography', 'comment_count': 4, 'abstract': '', 'id': '6455485530577568269', 'open_url': 'sslocal://detail?aggr_type=0&article_type=0&gd_ext_json=%7B%22city%22%3A%22%22%2C%22log_pb%22%3A%7B%22impr_id%22%3A%22201803251057441720180250358476B7%22%7D%2C%22query%22%3A%22%E8%A1%97%E6%8B%8D%22%2C%22search_result_id%22%3A6455485530577568269%2C%22source%22%3A%22%E6%9D%A5%E6%AD%A4%E8%B4%AD%22%7D&gd_label=click_search&group_flags=0&groupid=6455485530577568269&item_id=6455485530577568269', 'media_avatar_url': '//p1.pstatp.com/medium/1dcb0002c2f00cc08624', 'media_url': 'http://toutiao.com/m1565749045004289/', 'comments_count': 4, 'large_mode': False, 'create_time': '1503095546', 'keyword': '街拍', 'image_list': [{'url': '//p9.pstatp.com/list/36450008698f1cde9f5f'}, {'url': '//p3.pstatp.com/list/36410008693b5c278101'}, {'url': '//p3.pstatp.com/list/364200086f1626c28f49'}], 'has_gallery': False, 'article_url': 'http://toutiao.com/group/6455485530577568269/', 'source_url': '/group/6455485530577568269/', 'has_video': False, 'user_id': 59478914781, 'group_id': '6455485530577568269', 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回答
編輯回答
夢(mèng)一場(chǎng)

可以使用默認(rèn)值,如果取不到就是空l(shuí)ist,不會(huì)進(jìn)入循環(huán)

images = item.get('image_list', [])
2018年5月17日 04:03
編輯回答
離夢(mèng)

打印一下data,這個(gè)值可能不是可枚舉的,無(wú)法用for...in

2018年5月11日 07:45