擅长:python、mysql、java
<p>因为您最终打算使用<code>pandas</code>,所以您所需要的只是将数据流到您的脚本中并过滤所需的行。最简单的方法是在流模式下使用<code>requests</code>模块,然后将远程数据视为文件流,即:</p>
<pre><code>import requests
url = "https://www.ebi.ac.uk/ena/data/view/FO203355&display=text"
with requests.get(url, stream=True) as r: # open a streaming request
for line in r: # iterate over the stream line by line
if line[:2] == "FT": # check if a line begins with `FT`
print(line) # or do whatever you want with the line
</code></pre>
<p>如果只想保存数据,可以将过滤后的行转发到文件输出流:</p>
<pre><code>import requests
url = "https://www.ebi.ac.uk/ena/data/view/FO203355&display=text"
with requests.get(url, stream=True) as r, open("output.dat", "w") as f:
for line in r: # iterate over the stream line by line
if line[:2] == "FT": # check if a line begins with `FT`
f.write(line) # write the line to output.dat
</code></pre>
<p>您可能希望创建数据帧并直接将行解析到其中,但这取决于您希望如何解析数据,所以这是我留给您的练习</p>