Created
July 25, 2018 12:50
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Recorrido eficiente de un documento XML con Python. OrtizOL.
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from xml.etree.ElementTree import iterparse | |
def recorrer_leer(archivo, ruta): | |
partes_ruta = ruta.split('/') | |
documento = iterparse(archivo, ('start', 'end')) | |
# Omite el elemento raíz: | |
next(documento) | |
etiquetas = [] | |
elementos = [] | |
for evento, elemento in documento: | |
if evento == 'start': | |
etiquetas.append(elemento.tag) | |
elementos.append(elemento) | |
elif evento == 'end': | |
if etiquetas == partes_ruta: | |
yield elemento | |
elementos[-2].remove(elemento) | |
try: | |
etiquetas.pop() | |
elementos.pop() | |
except IndexError: | |
pass | |
for elmt in recorrer_leer('potholes.xml', 'row/row'): | |
print(elmt[1].text) |
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