Requests-XML: XML Parsing for Humans





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Requests-XML: XML Parsing for Humans

.. image:: https://travis-ci.org/erinxocon/requests-xml.svg?branch=master :target: https://travis-ci.org/erinxocon/requests-xml .. image:: https://img.shields.io/pypi/v/requests-xml.svg?maxAge=2592000 :target: https://pypi.python.org/pypi/requests-xml/ .. image:: https://img.shields.io/pypi/l/requests-xml.svg?maxAge=2592000 :target: https://opensource.org/licenses/MIT

This library intends to make parsing XML as simple and intuitive as possible. Requests-XML is related to the amazing Requests-HTML <http://html.python-requests.org/>_ and delivers the same quality of user experience — with support for our beloved XML documents.

When using this library you automatically get:

  • XPath Selectors, for the brave at heart.
  • Simple Search/Find for the faint at heart.
  • XML to JSON conversion thanks to xmljson <https://github.com/sanand0/xmljson/>_.
  • Mocked user-agent (like a real web browser).
  • Connection–pooling and cookie persistence.
  • The Requests experience you know and love, with magical XML parsing abilities.


.. code-block:: shell

$ pipenv install requests-xml

Only Python 3.6 is supported.

Tutorial & Usage

Make a GET request to nasa.gov <https://www.nasa.gov/rss/dyn/lg_image_of_the_day.rss/>, using Requests <https://docs.python-requests.org/>:

.. code-block:: pycon

>>> from requests_xml import XMLSession
>>> session = XMLSession()

>>> r = session.get('https://www.nasa.gov/rss/dyn/lg_image_of_the_day.rss')

Grab a list of all links on the page, as–is (this only works for RSS feeds, or other feeds that happen to have link elements):

.. code-block:: pycon

>>> r.xml.links
['http://www.nasa.gov/image-feature/from-the-earth-moon-and-beyond', 'http://www.nasa.gov/image-feature/jpl/pia21974/jupiter-s-colorful-cloud-belts', 'http://www.nasa.gov/', 'http://www.nasa.gov/image-feature/portrait-of-the-expedition-54-crew-on-the-space-station', ...]

XPath is the main supported way to query an element (learn more <https://msdn.microsoft.com/en-us/library/ms256086(v=vs.110).aspx>_):

.. code-block:: pycon

item = r.xml.xpath('//item', first=True) <Element 'item' >

Grab an element's text contents:

.. code-block:: pycon

>>> print(item.text)
The Beauty of Light
The Soyuz MS-08 rocket is launched with Soyuz Commander Oleg Artemyev of Roscosmos and astronauts Ricky Arnold and Drew Feustel of NASA, March 21, 2018, to join the crew of the Space Station.
Wed, 21 Mar 2018 14:12 EDT
NASA Image of the Day

Introspect an element's attributes (learn more <https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes>_):

.. code-block:: pycon

>>> rss = r.xml.xpath('//rss', first=True)
>>> rss.attrs
{'version': '2.0', '{http://www.w3.org/XML/1998/namespace}base': 'http://www.nasa.gov/'}

Render out an element's XML (note: namespaces will be applied to sub elements when grabbed):

.. code-block:: pycon

>>> item.xml
'<item xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:media="http://search.yahoo.com/mrss/"> <title>The Beauty of Light</title>\n <link>http://www.nasa.gov/image-feature/the-beauty-of-light</link>\n <description>The Soyuz MS-08 rocket is launched with Soyuz Commander Oleg Artemyev of Roscosmos and astronauts Ricky Arnold and Drew Feustel of NASA, March 21, 2018, to join the crew of the Space Station.</description>\n <enclosure url="http://www.nasa.gov/sites/default/files/thumbnails/image/nhq201803210005.jpg" length="1267028" type="image/jpeg"/>\n <guid isPermaLink="false">http://www.nasa.gov/image-feature/the-beauty-of-light</guid>\n <pubDate>Wed, 21 Mar 2018 14:12 EDT</pubDate>\n <source url="http://www.nasa.gov/rss/dyn/lg_image_of_the_day.rss">NASA Image of the Day</source>\n</item>'

Select an element list within an element:

.. code-block:: pycon

>>> item.xpath('//enclosure')[0].attrs['url']

Search for links within an element:

.. code-block:: pycon

>>> item.links

Search for text on the page. This is useful if you wish to search out things between specific tags without using XPath:

.. code-block:: pycon

>>> r.xml.search('<title>{}</title>)
<Result ('NASA Image of the Day',) {}>

Using PyQuery we can use CSS selectors to easily grab an element, with a simple syntax for ensuring the element contains certain text. This can be used as another easy way to grab an element without an XPath:

.. code-block:: pycon

>>> light_title = r.xml.find('title', containing='The Beauty of Light')
[<Element 'title' >]

>>> light_title[0].text
'The Beauty of Light'

Note: XPath is preferred as it can allow you to get very specific with your element selection. Find is intended to be an easy way of grabbing all elements of a certain name. Find does however accept CSS selectors, and if you can get those to work with straight XML, go for it!

JSON Support

Using the great xmljson <https://github.com/sanand0/xmljson/> package, we convert the whole XML document into a JSON representation. There are six different conversion convetions available. See the about <https://github.com/sanand0/xmljson#about> for what they are. The default is badgerfish. If you wish to use a different conversion convention, pass in a string with the name of the convetion to the .json() method.

Using without Requests

You can also use this library without Requests:

.. code-block:: pycon

>>> from requests_xml import XML
>>> doc = """
        <name value="Alice"/>
        <name value="Bob"/>

>>> xml = XML(xml=doc)
>>> xml.json()
    "employees": [{
        "person": {
            "name": {
                "@value": "Alice"
    }, {
        "person": {
            "name": {
                "@value": "Bob"



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