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https://github.com/delfick/python-dict2xml

Very random, limited python script to convert a python dictionary into an xml file
https://github.com/delfick/python-dict2xml

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Very random, limited python script to convert a python dictionary into an xml file

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README 

        
dict2xml

========



Super Simple utility to convert a python dictionary into an xml string



Installation

------------



Install using pip::



  > python -m pip install dict2xml



example

-------



.. code-block:: python



  from dict2xml import dict2xml



  data = {

    'a': 1,

    'b': [2, 3],

    'c': {

      'd': [

        {'p': 9},

        {'o': 10}

      ],

      'e': 7

    }

  }



  print dict2xml(data, wrap="all", indent="  ")



Output

------



.. code-block:: xml



  

    1

    2

    3

    

      

        
9


      

      

        10

      

      7

    

  



methods

-------



``dict2xml.dict2xml(data, *args, **kwargs)``

    Equivalent to:



    .. code-block:: python



        dict2xml.Converter(*args, **kwargs).build(data)



``dict2xml.Converter(wrap="", indent="  ", newlines=True)``

    Knows how to convert a dictionary into an xml string



    * wrap: Wraps the entire tree in this tag

    * indent: Amount to prefix each line for each level of nesting

    * newlines: Whether or not to use newlines



``dict2xml.Converter.build(data, iterables_repeat_wrap=True, closed_tags_for=None, data_sorter=None)``

    Instance method on Converter that takes in the data and creates the xml string



    * iterables_repeat_wrap - when false the key the array is in will be repeated

    * closed_tags_for - an array of values that will produce self closing tags

    * data_sorter - an object as explained below for sorting keys in maps



``dict2xml.DataSorter``

    An object used to determine the sorting of keys for a map of data.



    By default an ``OrderedDict`` object will not have it's keys sorted, but any

    other type of mapping will.



    It can be made so even ``OrderedDict`` will get sorted by passing in

    ``data_sorter=DataSorter.always()``.



    Or it can be made so that keys are produced from the sorting determined by

    the mapping with ``data_sorter=DataSorter.never()``.



    .. note:: When this library was first created python did not have deterministic

       sorting for normal dictionaries which is why default everything gets sorted but

       ``OrderedDict`` do not.



    To create custom sorting logic requires an object that has a single ``keys_from``

    method on it that accepts a map of data and returns a list of strings, where only

    the keys that appear in the list will go into the output and those keys must exist

    in the original mapping.



Self closing tags

-----------------



To produce self closing tags (like ````) then the ``build`` method must

be given a list of values under ``closed_tags_for``. For example, if you want

``None`` to produce a closing tag then:



.. code-block:: python



    example = {

        "item1": None,

        "item2": {"string1": "", "string2": None},

        "item3": "special",

    }



    result = Converter("").build(example, closed_tags_for=[None])

    assert result == dedent("""

        

        

            

            

        

        special

    """).strip())



Here only ``string2`` gets a self closing tag because it has data of ``None``,

which has been designated as special.



If you want to dynamically work out which tags should be self closing then you

may provide an object that implements ``__eq__`` and do your logic there.



Limitations

-----------



* No attributes on elements

* Currently no explicit way to hook into how to cope with your custom data

* Currently no way to insert an xml declaration line



Changelog

---------



1.7.5 - 13 February 2024

    * Introduced the ``data_sorter`` option



1.7.4 - 16 January 2024

    * Make the tests compatible with pytest8



1.7.3 - 25 Feb 2023

    * This version has no changes to the installed code.

    * This release converts to hatch for packaging and adds a wheel to the

      package on pypi.

    * CI will now run against python 3.11 as well



1.7.2 - 18 Oct 2022

    * This version has no changes to the installed code.

    * This release adds the tests to the source distribution put onto pypi.



1.7.1 - 16 Feb 2022

    * Adding an option to have self closing tags when the value for that

      tag equals certain values



1.7.0 - 16 April, 2020

    * Use collections.abc to avoid deprecation warning. Thanks @mangin.

    * This library no longer supports Python2 and is only supported for

      Python3.6+. Note that the library should still work in Python3.5 as I

      have not used f-strings, but the framework I use for the tests is only 3.6+.



1.6.1 - August 27, 2019

    * Include readme and LICENSE in the package



1.6 - April 27, 2018

    * No code changes

    * changed the licence to MIT

    * Added more metadata to pypi

    * Enabled travis ci

    * Updated the tests slightly



1.5

    * No changelog was kept before this point.



Development

-----------



To enter a virtualenv with dict2xml and dev requirements installed run::



    > source run.sh activate



Tests may be run with::



    > ./test.sh 



Or::



    > ./run.sh tox



Linting and formatting is via::



    > ./format

    > ./lint



Python Black will work on the tests as long as ``NOSE_OF_YETI_BLACK_COMPAT=true``

and the correct version of black is available. This is true if your editor

is opened in the same terminal session after sourcing run.sh or if

you make sure that environment variable is set and the editor is using the

virtualenv made by running or sourcing ``run.sh`` (``tools/venv/.python``)