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Full Discussion: Only print specific xml values that meet two criteria in python
Top Forums Shell Programming and Scripting Only print specific xml values that meet two criteria in python Post 302990125 by brianjb on Sunday 22nd of January 2017 01:09:32 PM
Old 01-22-2017
Only print specific xml values that meet two criteria in python
I have a large XML file that I want to parse, and only print one specific value if two values are met.

This is the code so far:

Code:
#!/usr/local/bin/python

   import xml.etree.ElementTree as ET
   tree = ET.parse('onedb-dhcp.xml')
   root = tree.getroot()

   # This successfully gets all items in the xml:

   print 'This successfully gets all items in the xml:\n'

   for p in root.iter('PROPERTY'):
   	print p.attrib
   print '\n----------------------------------------------------------'



This is the sample xml file:

Code:
<DATABASE NAME="test" VERSION="43-39" MD5="." SCHEMA-MD5="." INT-VERSION="43-39">
   <OBJECT><PROPERTY NAME="__type" VALUE="dhcp.lease"/><PROPERTY NAME="is_invalid_mac" VALUE="false"/><PROPERTY NAME="deferred_ttl" VALUE="300"/><PROPERTY NAME="ack_state" VALUE="renew"/><PROPERTY NAME="v6_prefix_bits" VALUE="0"/><PROPERTY NAME="is_ipv4" VALUE="true"/><PROPERTY NAME="vnode_id" VALUE="79"/><PROPERTY NAME="node_id" VALUE="79"/><PROPERTY NAME="ip_address" VALUE="10.10.1.6"/><PROPERTY NAME="dhcp_range" VALUE="10.10.1.5/10.10.1.254///0/"/><PROPERTY NAME="network_view" VALUE="0"/><PROPERTY NAME="starts" VALUE="2 2017/01/17 04:58:52"/><PROPERTY NAME="ends" VALUE="6 2017/01/21 04:58:52"/><PROPERTY NAME="tstp" VALUE="1 2017/01/23 04:58:52"/><PROPERTY NAME="tsfp" VALUE="1 2017/01/23 04:58:52"/><PROPERTY NAME="atsfp" VALUE="1 2017/01/23 04:58:52"/><PROPERTY NAME="cltt" VALUE="2 2017/01/17 04:58:52"/><PROPERTY NAME="hardware" VALUE="00:1a:4b:26:fd:85"/><PROPERTY NAME="client_hostname" VALUE="&quot;printer1&quot;"/><PROPERTY NAME="binding_state" VALUE="active"/><PROPERTY NAME="next_binding_state" VALUE="expired"/><PROPERTY NAME="variable" VALUE="vendor-class-identifier=&quot;Hewlett-Packard JetDirect&quot; ddns-fwd-name=&quot;printer1.testing.net&quot; ddns-rev-name=&quot;6.1.10.10.in-addr.arpa.&quot; ddns-txt=&quot;0015dce5883b53fa75c8d90d1312f0c054&quot; lt=&quot;04294967295&quot;"/><PROPERTY NAME="ms_server_id" VALUE="."/><PROPERTY NAME="fingerprint" VALUE="HP Printer"/><PROPERTY NAME="fingerprint_class" VALUE="Printers"/></OBJECT>
   <OBJECT><PROPERTY NAME="__type" VALUE="dhcp.lease"/><PROPERTY NAME="is_invalid_mac" VALUE="false"/><PROPERTY NAME="deferred_ttl" VALUE="300"/><PROPERTY NAME="ack_state" VALUE="from_peer"/><PROPERTY NAME="v6_prefix_bits" VALUE="0"/><PROPERTY NAME="is_ipv4" VALUE="true"/><PROPERTY NAME="vnode_id" VALUE="86"/><PROPERTY NAME="node_id" VALUE="86"/><PROPERTY NAME="ip_address" VALUE="10.10.1.44"/><PROPERTY NAME="dhcp_range" VALUE="10.10.1.5/101.10.1.254///0/"/><PROPERTY NAME="network_view" VALUE="0"/><PROPERTY NAME="starts" VALUE="2 2017/01/17 04:58:52"/><PROPERTY NAME="ends" VALUE="6 2017/01/21 04:58:52"/><PROPERTY NAME="tstp" VALUE="4 2016/06/23 19:17:54"/><PROPERTY NAME="tsfp" VALUE="1 2017/01/23 04:58:52"/><PROPERTY NAME="atsfp" VALUE="1 2017/01/23 04:58:52"/><PROPERTY NAME="cltt" VALUE="5 2016/06/17 19:17:54"/><PROPERTY NAME="hardware" VALUE="00:1a:4b:26:fd:85"/><PROPERTY NAME="client_hostname" VALUE="&quot;printer2&quot;"/><PROPERTY NAME="binding_state" VALUE="active"/><PROPERTY NAME="next_binding_state" VALUE="expired"/><PROPERTY NAME="variable" VALUE="lt=&quot;345600&quot; ddns-txt=&quot;0015dce5883b53fa75c8d90d1312f0c054&quot; ddns-rev-name=&quot;44.1.10.10.in-addr.arpa.&quot; ddns-fwd-name=&quot;printer2.testing.net&quot; vendor-class-identifier=&quot;Hewlett-Packard JetDirect&quot;"/><PROPERTY NAME="ms_server_id" VALUE="."/></OBJECT>
   </DATABASE>


When I run the above script, this is what I get printed to screen (just a sample):

Code:
{'NAME': '__type', 'VALUE': 'dhcp.lease'}
   {'NAME': 'is_invalid_mac', 'VALUE': 'false'}
   {'NAME': 'deferred_ttl', 'VALUE': '300'}
   {'NAME': 'ack_state', 'VALUE': 'renew'}
   {'NAME': 'v6_prefix_bits', 'VALUE': '0'}
   {'NAME': 'is_ipv4', 'VALUE': 'true'}
   {'NAME': 'vnode_id', 'VALUE': '79'}
   {'NAME': 'node_id', 'VALUE': '79'}
   {'NAME': 'ip_address', 'VALUE': '10.10.1.6'}


How can I set it up to only print the 'ip_address' value if '_type' = 'dhcp.lease'

I've tried this:

Code:
l = 'dhcp.lease'
   ip = 'ip_address'

   for s in root.iter('PROPERTY'):
           n = s.attrib['NAME']
           d = s.attrib['VALUE']
           if d == l:
                   print s.attrib['VALUE']

That prints out this:

Code:
Searching for specific things...

   dhcp.lease
   dhcp.lease



I think I'm close to the finish line, but need some help getting over it.

Thanks in advance!
 

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