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  1. # Obtener String vacio '' al buscar en xpath /text() cuando el nodo está vacío
  2. #   https://es.stackoverflow.com/q/76492/127
  3.  
  4. from lxml import html
  5.  
  6. cadena = '''
  7.             <body>
  8.                 <td><span>$3,480.00</span></td>
  9.                 <td><span>Ingreso</span></td>
  10.                 <td><span>Vigente</span></td>
  11.                 <td><span></span></td>
  12.                 <td><span>Otro</span></td>
  13.             </body>
  14.          '''
  15. doc   = html.fromstring(cadena)
  16.  
  17.  
  18. datos = [x.xpath('string()') for x in doc.xpath('//td/span')]
  19.  
  20. print(datos)
Success #stdin #stdout 0.04s 96448KB
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Standard input is empty
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['$3,480.00', 'Ingreso', 'Vigente', '', 'Otro']
https://ideone.com/icL6QZ
Obtener String vacio '' al buscar en xpath /text() cuando el nodo está vacío
https://es.stackoverflow.com/q/76492/12
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
secret

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