from xml.etree.elementtree import elementtree
from xml.etree.elementtree import element
from xml.etree.elementtree import subelement
from xml.etree.elementtree import dump
from xml.etree.elementtree import comment
from xml.etree.elementtree import tostring
'''<?xml version="1.0"?>
potato smasher
smash potatoes like never before.
'''## writing the content to xml document
book = elementtree()
purchaseorder = element('purchaseorder')
book._setroot(purchaseorder)
subelement(purchaseorder, 'account', )
item = element("item", )
print item.items() # [('sku', '33-993933'), ('qty', '4')]
print item.attrib #
print item.get('sku') # 33-993933
subelement(item, 'name').text = "potato smasher"
subelement(item, 'description').text = "smash potatoes like never before."
#book.write('book.xml',"utf-8")
#print tostring(purchaseorder)
#import sys
#book.write(sys.stdout)
#dump(book)
## displaying the content of the xml document
print purchaseorder.find('account')
print purchaseorder.find('account').get('refnum')
print purchaseorder.findall('account')[0].get('refnum')
print purchaseorder.find('item/name')
print purchaseorder.find('item/name').text
## how to use elementtree([element,] [file])
## 1. from standard xml element, it becomes root element
print elementtree(item).getroot().find('name').text
## 2. from xml file
print elementtree(file='book.xml').getroot().find('item/description').text
## create an iterator
for element in purchaseorder.getiterator():
print element.tag
## get pretty look
def indent(elem, level=0):
i = "\n" + level*" "
if len(elem):
if not elem.text or not elem.text.strip():
elem.text = i + " "
for e in elem:
indent(e, level+1)
if not e.tail or not e.tail.strip():
e.tail = i
if level and (not elem.tail or not elem.tail.strip()):
elem.tail = i
return elem
if __name__=="__main__":
dump(indent(purchaseorder))
book.write('book.xml',"utf-8")
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