我如何能够从下面的 xml 源中提取与“main.mp3”挂载点相关的源 IP
我当前的代码获得列表中的第一个，恰好是用于 listen.mp3 挂载点，但是我希望提取绑定到特定的挂载点
提取源IP的代码：
SERVER = 'http://localhost:8382/admin/stats.xml'
authinfo = urllib2.HTTPPasswordMgrWithDefaultRealm()
authinfo.add_password(None, SERVER, 'xxxxxx', 'xxxxxxx')
page = 'http://localhost:8382/admin/stats.xml'
handler = urllib2.HTTPBasicAuthHandler(authinfo)
myopener = urllib2.build_opener(handler)
opened = urllib2.install_opener(myopener)
output = urllib2.urlopen(page)
soup = BeautifulSoup(output.read(), "lxml")
print "source ip: ",soup.select('source_ip')[0].text
链接的xml来源：
<icestats> <admin>[email protected]</admin> <client_connections>580473</client_connections> <clients>32</clients> <connections>1217611</connections> <file_connections>220</file_connections> <host>localhost</host> <listener_connections>374451</listener_connections> <listeners>29</listeners> <location>Australia</location> <server_id>Icecast 2.4.2</server_id> <server_start>Thu, 15 Feb 2018 21:17:23 +1100</server_start> <server_start_iso8601>2018-02-15T21:17:23+1100</server_start_iso8601> <source_client_connections>99</source_client_connections> <source_relay_connections>0</source_relay_connections> <source_total_connections>99</source_total_connections> <sources>2</sources> <stats>0</stats> <stats_connections>0</stats_connections> <source mount="/listen.mp3"> <audio_info>channels=2;samplerate=44100;bitrate=64</audio_info> <channels>2</channels> <genre>Islamic Talk</genre> <listener_peak>52</listener_peak> <listeners>29</listeners> <listenurl>http://localhost:8382/listen.mp3</listenurl> <max_listeners>unlimited</max_listeners> <public>1</public> <samplerate>44100</samplerate> <server_description>Qkradio Station Australia</server_description> <server_name>listen.mp3</server_name> <server_type>audio/mpeg</server_type> <slow_listeners>220</slow_listeners> <source_ip>127.0.0.1</source_ip> <stream_start>Mon, 19 Feb 2018 23:08:01 +1100</stream_start> <stream_start_iso8601>2018-02-19T23:08:01+1100</stream_start_iso8601> <title>ibtihal.mp3 - 1</title> <total_bytes_read>634036021</total_bytes_read> <total_bytes_sent>13637049457</total_bytes_sent> <user_agent>Liquidsoap/1.3.3 (Unix; OCaml 4.02.3)</user_agent> </source> <source mount="/main.mp3"> <audio_info>bitrate=170</audio_info> <bitrate>170</bitrate> <genre>Islam</genre> <listener_peak>2</listener_peak> <listeners>1</listeners> <listenurl>http://localhost:8382/main.mp3</listenurl> <max_listeners>unlimited</max_listeners> <public>1</public> <server_description>Quran Kareem Radio</server_description> <server_name>Quran Kareem Radio</server_name> <server_type>audio/mpeg</server_type> <server_url>http://qkradio.com.au</server_url> <slow_listeners>1</slow_listeners> <source_ip>60.241.175.9</source_ip> <stream_start>Tue, 20 Feb 2018 00:56:23 +1100</stream_start> <stream_start_iso8601>2018-02-20T00:56:23+1100</stream_start_iso8601> <total_bytes_read>582030204</total_bytes_read> <total_bytes_sent>588819584</total_bytes_sent> <user_agent>instreamer</user_agent> </source> </icestats>
您可以选择容器“源”标签并在每个标签上收集“源IP”标签，因此每个 IP 都将与安装点相关。
soup = BeautifulSoup(xml, "lxml")
for mount in soup.select('source[mount]'):
print "mount point: ", mount['mount']
print "source ip: ", mount.select_one('source_ip').text
或者您可以创建一个字典并按挂载点选择 IP，例如，
data = {
mount['mount']: mount.select_one('source_ip').text
for mount in soup.select('source[mount]')
}
print data['/listen.mp3']
如果您只想从特定点选择 IP，只需选择该节点上的“source_ip”标签。
ip = soup.select_one('source[mount=/main.mp3] source_ip').text
print "source ip:", ip
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我来说两句