尝试仅获取每个表行中的第一个href

时间:2019-07-16 22:47:13

标签: python web-scraping beautifulsoup

我正在尝试仅捕获HTML表中每一行的第一个href。在汤对象上使用find_all不起作用,因为有多个表,所以我使用了soup.select()来仅隔离该表并从那里开始工作,但它似乎不起作用。

尝试仅在汤对象上使用find_all,尝试使用find()循环遍历表行,但它说它返回'NoneType'。

我希望能够存储以[/players/a/abrinal01.html、"/players/a/acyqu01.html等]开头的列表


url = 'https://www.basketball-reference.com/leagues/NBA_2019_per_game.html'
res = requests.get(url)
res.raise_for_status()

soup = bs4.BeautifulSoup(res.text, 'html.parser')
table = soup.find("table", { "id" : "per_game_stats" })

2 个答案:

答案 0 :(得分:1)

您可以通过将外部div包装器的解析与id中的all_per_game_stats锚定来访问所需数据:

import requests
from bs4 import BeautifulSoup as soup
d = soup(requests.get('https://www.basketball-reference.com/leagues/NBA_2019_per_game.html').text, 'html.parser')
data = [b.td.a['href'] for b in d.find('div', {'id':'all_per_game_stats'}).table.find_all('tr') if b.td]

输出:

['/players/a/abrinal01.html', '/players/a/acyqu01.html', '/players/a/adamsja01.html', '/players/a/adamsst01.html', '/players/a/adebaba01.html', '/players/a/adelde01.html', '/players/a/akoonde01.html', '/players/a/aldrila01.html', '/players/a/alkinra01.html', '/players/a/allengr01.html', '/players/a/allenja01.html', '/players/a/allenka01.html', '/players/a/aminual01.html', '/players/a/anderju01.html', '/players/a/anderky01.html', '/players/a/anderry01.html', '/players/a/anderry01.html', '/players/a/anderry01.html', '/players/a/anigbik01.html', '/players/a/antetgi01.html', '/players/a/antetko01.html', '/players/a/anthoca01.html', '/players/a/anunoog01.html', '/players/a/arcidry01.html', '/players/a/arizatr01.html', '/players/a/arizatr01.html', '/players/a/arizatr01.html', '/players/a/augusdj01.html', '/players/a/aytonde01.html', '/players/b/bacondw01.html', '/players/b/baglema01.html', '/players/b/bakerro01.html', '/players/b/bakerro01.html', '/players/b/bakerro01.html', '/players/b/baldwwa01.html', '/players/b/balllo01.html', '/players/b/bambamo01.html', '/players/b/bareajo01.html', '/players/b/barneha02.html', '/players/b/barneha02.html', '/players/b/barneha02.html', '/players/b/bartowi01.html', '/players/b/bateske01.html', '/players/b/batumni01.html', '/players/b/bayleje01.html', '/players/b/baynear01.html', '/players/b/bazemke01.html', '/players/b/bealbr01.html', '/players/b/beaslma01.html', '/players/b/beaslmi01.html', '/players/b/belinma01.html', '/players/b/belljo01.html', '/players/b/bembrde01.html', '/players/b/bendedr01.html', '/players/b/bertada02.html', '/players/b/bertada01.html', '/players/b/beverpa01.html', '/players/b/birchkh01.html', '/players/b/biyombi01.html', '/players/b/bjeline01.html', '/players/b/blakean01.html', '/players/b/bledser01.html', '/players/b/blossja01.html', '/players/b/bogdabo01.html', '/players/b/bogdabo02.html', '/players/b/bogutan01.html', '/players/b/boldejo01.html', '/players/b/bongais01.html', '/players/b/bookede01.html', '/players/b/bouchch01.html', '/players/b/bradlav01.html', '/players/b/bradlav01.html', '/players/b/bradlav01.html', '/players/b/bradlto01.html', '/players/b/breweco01.html', '/players/b/breweco01.html', '/players/b/breweco01.html', '/players/b/bridgmi01.html', '/players/b/bridgmi02.html', '/players/b/briscis01.html', '/players/b/broekry01.html', '/players/b/brogdma01.html', '/players/b/brookdi01.html', '/players/b/brookma01.html', '/players/b/brownbr01.html', '/players/b/brownja02.html', '/players/b/brownlo01.html', '/players/b/brownst02.html', '/players/b/browntr01.html', '/players/b/brunsja01.html', '/players/b/bryanth01.html', '/players/b/bullore01.html', '/players/b/bullore01.html', '/players/b/bullore01.html', '/players/b/burketr01.html', '/players/b/burketr01.html', '/players/b/burketr01.html', '/players/b/burksal01.html', '/players/b/burksal01.html', '/players/b/burksal01.html', '/players/b/burksal01.html', '/players/b/burtode02.html', '/players/b/butleji01.html', '/players/b/butleji01.html', '/players/b/butleji01.html', '/players/c/cabocbr01.html', '/players/c/caldejo01.html', '/players/c/caldwke01.html', '/players/c/canaais01.html', '/players/c/canaais01.html', '/players/c/canaais01.html', '/players/c/canaais01.html', '/players/c/capelca01.html', '/players/c/carrode01.html', '/players/c/carteje01.html', '/players/c/cartevi01.html', '/players/c/cartewe01.html', '/players/c/cartemi01.html', '/players/c/cartemi01.html', '/players/c/cartemi01.html', '/players/c/carusal01.html', '/players/c/casspom01.html', '/players/c/caulewi01.html', '/players/c/caupatr01.html', '/players/c/cavanty01.html', '/players/c/chandty01.html', '/players/c/chandty01.html', '/players/c/chandty01.html', '/players/c/chandwi01.html', '/players/c/chandwi01.html', '/players/c/chandwi01.html', '/players/c/chealjo01.html', '/players/c/chiozch01.html', '/players/c/chrisma01.html', '/players/c/chrisma01.html', '/players/c/chrisma01.html', '/players/c/clarkga01.html', '/players/c/clarkia01.html', '/players/c/clarkjo01.html', '/players/c/collijo01.html', '/players/c/colliza01.html', '/players/c/collida01.html', '/players/c/colsobo01.html', '/players/c/conlemi01.html', '/players/c/connapa01.html', '/players/c/cookqu01.html', '/players/c/couside01.html', '/players/c/covinro01.html', '/players/c/covinro01.html', '/players/c/covinro01.html', '/players/c/crabbal01.html', '/players/c/craigto01.html', '/players/c/crawfja01.html', '/players/c/creekmi01.html', '/players/c/creekmi01.html', '/players/c/creekmi01.html', '/players/c/crowdja01.html', '/players/c/cunnida01.html', '/players/c/curryse01.html', '/players/c/curryst01.html', '/players/d/danietr01.html', '/players/d/davisan02.html', '/players/d/davisde01.html', '/players/d/davised01.html', '/players/d/davisty01.html', '/players/d/dedmode01.html', '/players/d/dekkesa01.html', '/players/d/dekkesa01.html', '/players/d/dekkesa01.html', '/players/d/delgaan01.html', '/players/d/dellama01.html', '/players/d/dellama01.html', '/players/d/dellama01.html', '/players/d/denglu01.html', '/players/d/derozde01.html', '/players/d/derrima01.html', '/players/d/diallch01.html', '/players/d/diallha01.html', '/players/d/dienggo01.html', '/players/d/dinwisp01.html', '/players/d/divindo01.html', '/players/d/doncilu01.html', '/players/d/dorsety01.html', '/players/d/dorsety01.html', '/players/d/dorsety01.html', '/players/d/dotsoda01.html', '/players/d/doziepj01.html', '/players/d/dragigo01.html', '/players/d/drumman01.html', '/players/d/dudleja01.html', '/players/d/dunnkr01.html', '/players/d/duranke01.html', '/players/d/duvaltr01.html', '/players/e/edwarvi01.html', '/players/e/ellenhe01.html', '/players/e/ellenhe01.html', '/players/e/ellenhe01.html', '/players/e/ellinwa01.html', '/players/e/ellinwa01.html', '/players/e/ellinwa01.html', '/players/e/embiijo01.html', '/players/e/ennisja01.html', '/players/e/ennisja01.html', '/players/e/ennisja01.html', '/players/e/eubandr01.html', '/players/e/evansja02.html', '/players/e/evansja01.html', '/players/e/evansja01.html', '/players/e/evansja01.html', '/players/e/evansty01.html', '/players/e/exumda01.html', '/players/f/farieke01.html', '/players/f/farieke01.html', '/players/f/farieke01.html', '/players/f/favorde01.html', '/players/f/feliccr01.html', '/players/f/feltora01.html', '/players/f/fergute01.html', '/players/f/ferreyo01.html', '/players/f/finnedo01.html', '/players/f/forbebr01.html', '/players/f/fournev01.html', '/players/f/foxde01.html', '/players/f/frazime01.html', '/players/f/fraziti01.html', '/players/f/fraziti01.html', '/players/f/fraziti01.html', '/players/f/fredeji01.html', '/players/f/fryech01.html', '/players/f/fultzma01.html', '/players/g/gallida01.html', '/players/g/gallola01.html', '/players/g/garrebi01.html', '/players/g/gasolma01.html', '/players/g/gasolma01.html', '/players/g/gasolma01.html', '/players/g/gasolpa01.html', '/players/g/gasolpa01.html', 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答案 1 :(得分:0)

我将使用集合理解来删除重复项,而且我认为nth-of-type选择合适的列会更清晰。使用bs4 4.7.1

import requests
from bs4 import BeautifulSoup as bs
soup = bs(requests.get('https://www.basketball-reference.com/leagues/NBA_2019_per_game.html').text, 'html.parser')
links = {i['href'] for i in soup.select('#per_game_stats td:nth-of-type(1) a')}
print(links)

您还可以使用以下CSS选择器:

[csk] > a