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<p>我试图在网页上抓取一个网页,在这样做的同时,我希望提取一些特定的信息,比如位置名称、纬度、经度和电影名称。然而,当跨多个网页提取这些信息时,我不确定前面的三个值属于哪部电影</p>
<p>我想了一种克服这个问题的方法,在每部电影的前三个值之后创建一个空字符串,当它到达一个空字符串时,我可以将这些值拆分为每部电影的列表</p>
<p>尽管我在尝试正确处理空字符串时遇到了困难,但以下是我所做的:</p>
<pre><code>test = ['https://www.latlong.net/location/10-things-i-hate-about-you-locations-250',
'https://www.latlong.net/location/12-angry-men-locations-818',
'https://www.latlong.net/location/12-monkeys-locations-501']
for i in range(0, len(test), 1):
r = requests.get(test[i])
testone = {'location name':[],'film':[]}
soup = BeautifulSoup(r.content, 'lxml')
for th in soup.select("td"):
testone['location name'].append(th.text.strip())
testone['location name'].append('')
for h in soup.select_one("h3"):
testone['film'].append(h)
</code></pre>
<p>但是,这似乎会在每个值后面附加一个空字符串:</p>
<pre><code>'location name': ["1117 Broadway (Gil's Music Shop)",
'',
'47.252495',
'',
'-122.439644',
'',
"2715 North Junett St (Kat and Bianca's House)",
'',
'47.272591',
'',
'-122.474480', ....
</code></pre>
<p>我的期望:</p>
<pre><code>
'location name': ["1117 Broadway (Gil's Music Shop)",
'47.252495',
'-122.439644',
"2715 North Junett St (Kat and Bianca's House)",
'47.272591',
'-122.474480',
'Aurora Bridge',
'47.646713',
'-122.347435',
'Buckaroo Tavern (closed)',
'47.657841',
'-122.350327',
'Century Ballroom',
'47.615028',
'-122.319855',
'Fremont Place Books (closed)',
'47.650452',
'-122.350510',
'Fremont Troll',
'47.651093',
'-122.347435',
'Gas Works Park',
'47.645561',
'-122.334496',
'Kerry Park',
'47.629402',
'-122.360008',
'Kingdome',
'47.595993',
'-122.333649',
'Paramount Theatre',
'47.613235',
'-122.331451',
'Seattle',
'47.601871',
'-122.341248',
'Stadium High School',
'47.265991',
'-122.448570',
'Tacoma',
'47.250828',
'-122.449135',
'',
'New York City',
'40.742298',
'-73.982559',
'New York County Courthouse',
'40.714310',
'-74.001930',
'', ................],
'film': ['10 Things I Hate About You Locations Map','12 Angry Men Locations Map'...]}
</code></pre>