XML (Extensible Markup Language) is a markup language used to store data. It is a very useful data storage format because it defines a set of rules that allow us to store data in a format that is both machine-readable and human-readable. It is often used for data storage. It is a markup language like HTML because they have the same structure. XML does not offer certain tags, but you can define your own tags and create your own markup language. Data stored in an XML document can easily be retrieved and analysed. That is why it is usually used for web servers. XML is a case sensitive language.
Python comes with many built-in modules and functions for special tasks. It has many integrated data storage and management structures. The dictionary is one of the very useful embedded data structures used to store data in the format of key value pairs. We can easily convert XML data into a Python dictionary. Python provides the xmlodict module to perform XML-related tasks. This article is about the conversion from XML to Python dictionary.
Installation of the xmltodict module
Before you start converting XML to dictionary, you must first install the xmltodict module. xmltodict can easily be installed with the Python index package (pip). Run the following command to install the xmltodict module with pip:
If you are using pip3, run the following command to install the xmltodict module:
Installing the module in your system takes a few minutes.
After a successful installation you will receive the message xmltodict successfully installed.
If you are using a Debian-based system, run the following command to install the xmltodict module
install sudo apt python-xmltodict
The command above is for Python2. Run the following command for the Python3 version:
install sudo apt python3-xmltodict
Converting XMLtodictionary
Now we want to convert the XML dictionary to a Python dictionary. To do this, we first need to import the xmltodict module into our Python script. xmltodict.parse() is a built-in function that converts XML into a Python dictionary.
# import module xmltodict
import xmltodict
# define string xml
xml_data =
FA18-RSE-012
Kamran
Kamran
Kamran
[email protected]
4
MSSE
ASPMI
ASQA
ASPM
Semantic Web
# Convert xml to dictionary
my_dict = xmltodict.parse(xml_data)
# Define the type of the object to convert
print (type(The type is : , my_dict))
Get off.
In the output you can see that the XML has been successfully converted to a dictionary.
Now let’s approach the data with the dictionary keys. The names of the labels are keys, and the data in the labels are the actual value.
# import module xmltodict
import xmltodict
# define string xml
xml_data =
FA18-RSE-012
Kamran
Sattar
Awaisi
[email protected]
4
MSSE
ASPMI
ASQA
ASPM
Semantic Web
# xml convert to dictionary
my_dict = xmltodict.parse(xml_data)
# Define the type of the object to convert
print(The type exists : type(my_dict))
#Last name of student
print(my_dict[‘students’][‘id’])
#Last name of student
print(my_dict[‘students’][‘name’])
# First name of student
print(my_dict[‘students’][‘name’])
#Processing of the average student
print(my_dict[‘students’][‘name’][‘middleName’])
#Processing of the name of the last student
print(my_dict[‘students’][‘name’][‘lastName’])
#Access to the EapplicationStudent mail
print(my_dict[‘students’] [email])
#Access to student semester
print(my_dict[‘students’] [semester’])
#Print processing
(my_dict[‘students’] [class’])
#Print processing
(my_dict[‘students’] [students’] [sub3′]).
Get off.
The output data shows that the key access is successful.
Converting XMLto a dictionary withfiles
XML data is usually stored in files. XML files are created with the .xml extension. Now open the XML file, convert the data to a Python dictionary, and open the values using the keys.
It’s our student’s .xml file.
Now we want to write our Python script to open the file and convert the XML data into a Python dictionary.
# import module
xmltodict
import # open xml file in read mode
with open(student.xml,r) as xml_obj:
# close xml data in Python dictionary
my_dict = xmltodict.parse(xml_obj.read())
# close file
xml_obj.close()
# process
print(my_dict [students] [name])
# process
print(my_dict [students] [email])
# process value
print(my_dict[‘students’][‘class’])
# print processing
(my_dict[‘students’][‘semester’])
# print processing
(my_dict[‘students’][‘courses’][‘sub1’]).
Get off.
Conclusion
XML is a widely used data storage format. Usually used for data exchange between web servers and software applications. XML data can be converted to a Python dictionary using the xmltodict module. This article explains how to install the xmltodict module and convert XML into a dictionary using a few examples.
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