<eventsList>
<event>
<id>374648e7-0c33-403f-bec5-c580fcf9fc8b</id>
<date>2016-03-30T21:11:33.163+03:00</date>
<type>deletedPrintedItems</type>
<departmentId>3</departmentId>
<attribute>
<name>comment</name>
<value>sadasd</value>
</attribute>
<attribute>
<name>user</name>
<value>65d90cba-a421-4e4d-9d3e-14ddd6907280</value>
</attribute>
<attribute>
<name>openTime</name>
<value>Wed Mar 30 21:07:53 MSK 2016</value>
</attribute>
<attribute>
<name>tableNum</name>
<value>2</value>
</attribute>
<attribute>
<name>session</name>
<value>1.000000000</value>
</attribute>
<attribute>
<name>orderNum</name>
<value>4.000000000</value>
</attribute>
<attribute>
<name>reason</name>
<value>Со списанием</value>
</attribute>
<attribute>
<name>receiptsSum</name>
<value>0E-9</value>
</attribute>
<attribute>
<name>dishes</name>
<value>Салат Оливье</value>
</attribute>
<attribute>
<name>isBanquet</name>
<value>0E-9</value>
</attribute>
<attribute>
<name>withWriteoff</name>
<value>1.000000000</value>
</attribute>
<attribute>
<name>penalty</name>
<value>0E-9</value>
</attribute>
<attribute>
<name>rowCount</name>
<value>1.000000000</value>
</attribute>
<attribute>
<name>numGuests</name>
<value>4.000000000</value>
</attribute>
<attribute>
<name>auth</name>
<value>65d90cba-a421-4e4d-9d3e-14ddd6907280</value>
</attribute>
<attribute>
<name>orderSumAfterDiscount</name>
<value>0E-9</value>
</attribute>
<attribute>
<name>terminal</name>
<value>49c7d0ba-a469-517f-0153-61a7bcb29ccb</value>
</attribute>
<attribute>
<name>sum</name>
<value>70.000000000</value>
</attribute>
<attribute>
<name>method</name>
<value>Списание за счет заведения</value>
</attribute>
<attribute>
<name>orderId</name>
<value>e55c392f-ea8a-4c96-aecd-2bd0b6ffd2cd</value>
</attribute>
<attribute>
<name>waiter</name>
<value>5daf4283-ae8c-4a95-83e5-052fb4a33570</value>
</attribute>
</event>
<event>
<id>61d3cb56-74dd-4d20-86ae-217c37f15f01</id>
<date>2016-03-30T21:11:41.090+03:00</date>
<type>frontLogout</type>
<departmentId>3</departmentId>
<attribute>
<name>user</name>
<value>65d90cba-a421-4e4d-9d3e-14ddd6907280</value>
</attribute>
<attribute>
<name>session</name>
<value>1.000000000</value>
</attribute>
<attribute>
<name>terminal</name>
<value>49c7d0ba-a469-517f-0153-61a7bcb29ccb</value>
</attribute>
</event>
</eventsList>
from lxml import etree
tree = etree.parse('xml_iiko.xml')
nodes = tree.xpath('/eventsList/event/type')
for node in nodes:
if node.text == 'deletedPrintedItems':
>>> import lxml.etree
>>>
>>> text = """\
... <eventsList>
... <event>
... <id>374648e7-0c33-403f-bec5-c580fcf9fc8b</id>
... <date>2016-03-30T21:11:33.163+03:00</date>
... <type>deletedPrintedItems</type>
... <departmentId>3</departmentId>
... <attribute>
... <name>comment</name>
... <value>sadasd</value>
... </attribute>
... <attribute>
... <name>user</name>
... <value>65d90cba-a421-4e4d-9d3e-14ddd6907280</value>
... </attribute>
... <attribute>
... <name>openTime</name>
... <value>Wed Mar 30 21:07:53 MSK 2016</value>
... </attribute>
... <attribute>
... <name>tableNum</name>
... <value>2</value>
... </attribute>
... <attribute>
... <name>session</name>
... <value>1.000000000</value>
... </attribute>
... <attribute>
... <name>orderNum</name>
... <value>4.000000000</value>
... </attribute>
... <attribute>
... <name>reason</name>
... <value>Со списанием</value>
... </attribute>
... <attribute>
... <name>receiptsSum</name>
... <value>0E-9</value>
... </attribute>
... <attribute>
... <name>dishes</name>
... <value>Салат Оливье</value>
... </attribute>
... <attribute>
... <name>isBanquet</name>
... <value>0E-9</value>
... </attribute>
... <attribute>
... <name>withWriteoff</name>
... <value>1.000000000</value>
... </attribute>
... <attribute>
... <name>penalty</name>
... <value>0E-9</value>
... </attribute>
... <attribute>
... <name>rowCount</name>
... <value>1.000000000</value>
... </attribute>
... <attribute>
... <name>numGuests</name>
... <value>4.000000000</value>
... </attribute>
... <attribute>
... <name>auth</name>
... <value>65d90cba-a421-4e4d-9d3e-14ddd6907280</value>
... </attribute>
... <attribute>
... <name>orderSumAfterDiscount</name>
... <value>0E-9</value>
... </attribute>
... <attribute>
... <name>terminal</name>
... <value>49c7d0ba-a469-517f-0153-61a7bcb29ccb</value>
... </attribute>
... <attribute>
... <name>sum</name>
... <value>70.000000000</value>
... </attribute>
... <attribute>
... <name>method</name>
... <value>Списание за счет заведения</value>
... </attribute>
... <attribute>
... <name>orderId</name>
... <value>e55c392f-ea8a-4c96-aecd-2bd0b6ffd2cd</value>
... </attribute>
... <attribute>
... <name>waiter</name>
... <value>5daf4283-ae8c-4a95-83e5-052fb4a33570</value>
... </attribute>
... </event>
... <event>
... <id>61d3cb56-74dd-4d20-86ae-217c37f15f01</id>
... <date>2016-03-30T21:11:41.090+03:00</date>
... <type>frontLogout</type>
... <departmentId>3</departmentId>
... <attribute>
... <name>user</name>
... <value>65d90cba-a421-4e4d-9d3e-14ddd6907280</value>
... </attribute>
... <attribute>
... <name>session</name>
... <value>1.000000000</value>
... </attribute>
... <attribute>
... <name>terminal</name>
... <value>49c7d0ba-a469-517f-0153-61a7bcb29ccb</value>
... </attribute>
... </event>
... </eventsList>
... """
>>>
>>> doc = lxml.etree.fromstring(text)
>>> events = doc.xpath(r'//event/type[text() = "deletedPrintedItems"]/..')
>>>
>>> for event in events:
... comments = event.xpath(r'.//attribute/name[text() = "comment"]'
... r'/../value/text()')
... print(comments)
...
['sadasd']
>>>