Data commit

Task/XML-XPath/Python/xml-xpath-1.py

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+# Python has basic xml parsing built in
+
+from xml.dom import minidom
+
+xmlfile = file("test3.xml") # load xml document from file
+xmldoc = minidom.parse(xmlfile).documentElement # parse from file stream or...
+xmldoc = minidom.parseString("<inventory title="OmniCorp Store #45x10^3">...</inventory>").documentElement # alternatively, parse a string
+	
+#  1st Task: Retrieve the first "item" element
+i = xmldoc.getElementsByTagName("item") # get a list of all "item" tags
+firstItemElement = i[0] # get the first element
+
+# 2nd task: Perform an action on each "price" element (print it out)
+for j in xmldoc.getElementsByTagName("price"): # get a list of all "price" tags
+	print j.childNodes[0].data # XML Element . TextNode . data of textnode
+
+# 3rd Task: Get an array of all the "name" elements
+namesArray = xmldoc.getElementsByTagName("name")

Task/XML-XPath/Python/xml-xpath-2.py

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+import xml.etree.ElementTree as ET
+
+xml = open('inventory.xml').read()
+doc = ET.fromstring(xml)
+
+doc = ET.parse('inventory.xml')  # or load it directly
+
+# Note, ElementTree's root is the top level element. So you need ".//" to really start searching from top
+
+# Return first Item
+item1 = doc.find("section/item")  # or ".//item"
+
+# Print each price
+for p in doc.findall("section/item/price"):  # or ".//price"
+    print "{0:0.2f}".format(float(p.text))  # could raise exception on missing text or invalid float() conversion
+
+# list of names
+names = doc.findall("section/item/name")  # or ".//name"

Task/XML-XPath/Python/xml-xpath-3.py

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+from lxml import etree
+
+xml = open('inventory.xml').read()
+doc = etree.fromstring(xml)
+
+doc = etree.parse('inventory.xml')  # or load it directly
+
+# Return first item
+item1 = doc.xpath("//section[1]/item[1]")
+
+# Print each price
+for p in doc.xpath("//price"):
+    print "{0:0.2f}".format(float(p.text))  # could raise exception on missing text or invalid float() conversion
+
+names = doc.xpath("//name")  # list of names