Creating and Manipulating XML

XML_Processing/DOM_module.py

@@ -1,6 +1,4 @@
 import xml.dom.minidom
-import os
-
 
 domtree = xml.dom.minidom.parse("XML_Processing\group.xml")
 group = domtree.documentElement
@@ -12,7 +10,8 @@
     if person.hasAttribute("id"):
         print("ID: %s" % person.getAttribute("id"))
 
-    name = person.getElementsByTagName ("name")[0]
+    name = person.getElementsByTagName("name")[0]
     age = person.getElementsByTagName("age")[0]
     weight = person.getElementsByTagName("weight")[0]
     height = person.getElementsByTagName("height")[0]
+

XML_Processing/creating_elements.py

@@ -0,0 +1,30 @@
+import xml.dom.minidom
+
+domtree = xml.dom.minidom.parse("XML_Processing\group.xml")
+group = domtree.documentElement
+
+# Creating new elements
+newperson = domtree.createElement("person")
+newperson.setAttribute("id", "6")
+
+name = domtree.createElement("name")
+name.appendChild(domtree.createTextNode("Paul Smith"))
+
+age = domtree.createElement("age")
+age.appendChild(domtree.createTextNode("45"))
+
+weight = domtree.createElement("weight")
+weight.appendChild(domtree.createTextNode("78"))
+
+height = domtree.createElement("height")
+height.appendChild(domtree.createTextNode("178"))
+
+newperson.appendChild(name)
+newperson.appendChild(age)
+newperson.appendChild(weight)
+newperson.appendChild(height)
+
+group.appendChild(newperson)
+
+domtree.writexml(open("XML_Processing\group.xml", "w"))
+

XML_Processing/group.xml

@@ -1,33 +0,0 @@
-<?xml version='1.0'?> <!--Indicates the version of XML-->
-<group>
-    <person id="1">
-        <name>Jonh Smith</name>
-        <age>20</age>
-        <weight>80</weight>
-        <height>188</height>
-    </person>
-    <person id="2">
-        <name>Mike Davis</name>
-        <age>45</age>
-        <weight>82</weight>
-        <height>185</height>
-    </person>
-    <person id="3">
-        <name>Anna Johnson</name>
-        <age>33</age>
-        <weight>67</weight>
-        <height>167</height>
-    </person>
-    <person id="4">
-        <name>Bob Smith</name>
-        <age>60</age>
-        <weight>70</weight>
-        <height>174</height>
-    </person>
-    <person id="5">
-        <name>Sarah Pitt</name>
-        <age>12</age>
-        <weight>50</weight>
-        <height>152</height>
-    </person>
-</group>

XML_Processing/manipulating_files.py

@@ -0,0 +1,14 @@
+import xml.dom.minidom
+
+domtree = xml.dom.minidom.parse("XML_Processing\group.xml")
+group = domtree.documentElement
+
+# Manipulating files
+persons = group.getElementsByTagName("person")
+# We adress the index zero persons[0] for the first element.
+persons[0].getElementsByTagName("name")[0].childNodes[0].nodeValue = "New Name"
+
+# We can also change the attributes by using the function setAttribute.
+persons[0].setAttribute("id", "1")
+
+domtree.writexml(open("XML_Processing\group.xml", "w"))

XML_test/gfg.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" ?>
+<root>
+	<product name="Geeks for Geeks"/>
+</root>

XML_test/xml_file_test.py

@@ -0,0 +1,27 @@
+from xml.dom import minidom
+import os
+
+# We firt create a minidom document.
+root = minidom.Document()
+
+# Names the main element 'root' of the dom.
+xml = root.createElement('root')
+# We insert it on the file.
+root.appendChild(xml)
+
+# Creates the secondary element 'product'.
+productChild = root.createElement('product')
+# We add an attribute to it called 'name'.
+productChild.setAttribute('name', 'Geeks for Geeks')
+# We insert it on the secondary element.
+xml.appendChild(productChild)
+
+
+xml_str = root.toprettyxml(indent="\t")
+
+# Name of the xml file.
+save_path_file = "gfg.xml"
+
+# Creates the actual file on the current path.
+with open("XML_test\gfg.xml", "w") as f:
+    f.write(xml_str)