XML/XPath: Difference between revisions

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@@ Line 1,437: / Line 1,437: @@
 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")
+# Return first Item
-# Note, ElementTree's simple XPath does not support //foo or /foo/bar syntax.
+item1 = doc.find("section/item")  # or ".//item"
 # Print each price
-for p in doc.findall("section/item/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
-names = doc.findall("section/item/name")  # list of names</lang>
+# list of names
+names = doc.findall("section/item/name")  # or ".//name"</lang>
 Or, you can install the <tt>lxml</tt> package and get full XPath support
 <lang python>