Das deutsche Python-Forum

Code: Alles auswählen

In [1154]: doc = etree.XML('<root><tag answer="23" /></root>')

In [1155]: etree.dump(doc)
<root>
  <tag answer="23"/>
</root>

In [1156]: doc.find('tag').get('answer')
Out[1156]: '23'

In [1157]: doc.find('tag').set('answer', '42')

In [1158]: etree.dump(doc)
<root>
  <tag answer="42"/>
</root>

Code: Alles auswählen

>>> import xml.dom.minidom
>>> doc = xml.dom.minidom.parseString('<root><tag answer="23" /></root>')
>>> print doc.toprettyxml()
<?xml version="1.0" ?>
<root>
        <tag answer="23"/>
</root>

>>> print doc.getElementsByTagName('tag')[0].getAttribute('answer')
23
>>> doc.getElementsByTagName('tag')[0].setAttribute('answer', '42')
>>> print doc.toprettyxml()
<?xml version="1.0" ?>
<root>
        <tag answer="42"/>
</root>

Code: Alles auswählen

In [1172]: etree.dump(doc)
<root>
  <tag answer="23"/>
  <spam>
    <tag answer="42"/>
  </spam>
  <tag/>
  <eggs answer="parrot"/>
</root>

In [1173]: doc.xpath('//tag')
Out[1173]: [<Element tag at 9ac7874>, <Element tag at 9ac7a04>, <Element tag at 9ac7fa4>]

In [1174]: doc.xpath('//tag[@answer]')
Out[1174]: [<Element tag at 9ac7874>, <Element tag at 9ac7a04>]

In [1175]: doc.xpath('//tag[@answer=42]')
Out[1175]: [<Element tag at 9ac7a04>]

In [1176]: doc.xpath('//tag[@answer=$n]', n=42)
Out[1176]: [<Element tag at 9ac7a04>]

In [1177]: doc.xpath('//*[@answer]')
Out[1177]: [<Element tag at 9ac7874>, <Element tag at 9ac7a04>, <Element eggs at 9ac789c>]

Code: Alles auswählen

from contextlib import closing
from zipfile import ZipFile
from lxml import etree


def main():
    with closing(ZipFile('test.odt')) as odt_file:
        doc = etree.fromstring(odt_file.read('content.xml'))
    
    paragraph_node = doc.xpath('//text:p[@text:style-name="Speziell"]',
                               namespaces=doc.nsmap)[0]
    print paragraph_node.text
    
    variable_nodes = doc.xpath('//text:variable-set', namespaces=doc.nsmap)
    for variable_node in variable_nodes:
        name = variable_node.get('{%s}name' % doc.nsmap['text'])
        value = variable_node.get('{%s}value' % doc.nsmap['office'])
        print '%s = %r' % (name, value)

Code: Alles auswählen

$ python forum5.py
Und noch ein Absatz.
antwort = '23'