A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
Você não pode selecionar mais de 25 tópicos Os tópicos devem começar com uma letra ou um número, podem incluir traços ('-') e podem ter até 35 caracteres.
 
 
 
 
Ben Kurtovic 287bf71158 Condense code. 11 anos atrás
docs release/0.3 11 anos atrás
mwparserfromhell Condense code. 11 anos atrás
tests Include tests for bracketed links too. 11 anos atrás
.gitignore Add .dll to .gitignore for builds on Windows. 11 anos atrás
.travis.yml Fix README. 11 anos atrás
CHANGELOG release/0.3 11 anos atrás
LICENSE Update copyright notices for 2013. 11 anos atrás
README.rst Bump version to 0.4.dev; also update README and setup.py. 11 anos atrás
setup.py Bump version to 0.4.dev; also update README and setup.py. 11 anos atrás

README.rst

mwparserfromhell
================

.. image:: https://travis-ci.org/earwig/mwparserfromhell.png?branch=develop
:alt: Build Status
:target: http://travis-ci.org/earwig/mwparserfromhell

**mwparserfromhell** (the *MediaWiki Parser from Hell*) is a Python package
that provides an easy-to-use and outrageously powerful parser for MediaWiki_
wikicode. It supports Python 2 and Python 3.

Developed by Earwig_ with contributions from `Σ`_, Legoktm_, and others.
Full documentation is available on ReadTheDocs_. Development occurs on GitHub_.

Installation
------------

The easiest way to install the parser is through the `Python Package Index`_,
so you can install the latest release with ``pip install mwparserfromhell``
(`get pip`_). Alternatively, get the latest development version::

git clone https://github.com/earwig/mwparserfromhell.git
cd mwparserfromhell
python setup.py install

If you get ``error: Unable to find vcvarsall.bat`` while installing, this is
because Windows can't find the compiler for C extensions. Consult this
`StackOverflow question`_ for help. You can also set ``ext_modules`` in
``setup.py`` to an empty list to prevent the extension from building.

You can run the comprehensive unit testing suite with
``python setup.py test -q``.

Usage
-----

Normal usage is rather straightforward (where ``text`` is page text)::

>>> import mwparserfromhell
>>> wikicode = mwparserfromhell.parse(text)

``wikicode`` is a ``mwparserfromhell.Wikicode`` object, which acts like an
ordinary ``unicode`` object (or ``str`` in Python 3) with some extra methods.
For example::

>>> text = "I has a template! {{foo|bar|baz|eggs=spam}} See it?"
>>> wikicode = mwparserfromhell.parse(text)
>>> print wikicode
I has a template! {{foo|bar|baz|eggs=spam}} See it?
>>> templates = wikicode.filter_templates()
>>> print templates
['{{foo|bar|baz|eggs=spam}}']
>>> template = templates[0]
>>> print template.name
foo
>>> print template.params
['bar', 'baz', 'eggs=spam']
>>> print template.get(1).value
bar
>>> print template.get("eggs").value
spam

Since nodes can contain other nodes, getting nested templates is trivial::

>>> text = "{{foo|{{bar}}={{baz|{{spam}}}}}}"
>>> mwparserfromhell.parse(text).filter_templates()
['{{foo|{{bar}}={{baz|{{spam}}}}}}', '{{bar}}', '{{baz|{{spam}}}}', '{{spam}}']

You can also pass ``recursive=False`` to ``filter_templates()`` and explore
templates manually. This is possible because nodes can contain additional
``Wikicode`` objects::

>>> code = mwparserfromhell.parse("{{foo|this {{includes a|template}}}}")
>>> print code.filter_templates(recursive=False)
['{{foo|this {{includes a|template}}}}']
>>> foo = code.filter_templates(recursive=False)[0]
>>> print foo.get(1).value
this {{includes a|template}}
>>> print foo.get(1).value.filter_templates()[0]
{{includes a|template}}
>>> print foo.get(1).value.filter_templates()[0].get(1).value
template

Templates can be easily modified to add, remove, or alter params. ``Wikicode``
objects can be treated like lists, with ``append()``, ``insert()``,
``remove()``, ``replace()``, and more. They also have a ``matches()`` method
for comparing page or template names, which takes care of capitalization and
whitespace::

>>> text = "{{cleanup}} '''Foo''' is a [[bar]]. {{uncategorized}}"
>>> code = mwparserfromhell.parse(text)
>>> for template in code.filter_templates():
... if template.name.matches("Cleanup") and not template.has("date"):
... template.add("date", "July 2012")
...
>>> print code
{{cleanup|date=July 2012}} '''Foo''' is a [[bar]]. {{uncategorized}}
>>> code.replace("{{uncategorized}}", "{{bar-stub}}")
>>> print code
{{cleanup|date=July 2012}} '''Foo''' is a [[bar]]. {{bar-stub}}
>>> print code.filter_templates()
['{{cleanup|date=July 2012}}', '{{bar-stub}}']

You can then convert ``code`` back into a regular ``unicode`` object (for
saving the page!) by calling ``unicode()`` on it::

>>> text = unicode(code)
>>> print text
{{cleanup|date=July 2012}} '''Foo''' is a [[bar]]. {{bar-stub}}
>>> text == code
True

Likewise, use ``str(code)`` in Python 3.

Integration
-----------

``mwparserfromhell`` is used by and originally developed for EarwigBot_;
``Page`` objects have a ``parse`` method that essentially calls
``mwparserfromhell.parse()`` on ``page.get()``.

If you're using Pywikipedia_, your code might look like this::

import mwparserfromhell
import wikipedia as pywikibot
def parse(title):
site = pywikibot.getSite()
page = pywikibot.Page(site, title)
text = page.get()
return mwparserfromhell.parse(text)

If you're not using a library, you can parse templates in any page using the
following code (via the API_)::

import json
import urllib
import mwparserfromhell
API_URL = "http://en.wikipedia.org/w/api.php"
def parse(title):
data = {"action": "query", "prop": "revisions", "rvlimit": 1,
"rvprop": "content", "format": "json", "titles": title}
raw = urllib.urlopen(API_URL, urllib.urlencode(data)).read()
res = json.loads(raw)
text = res["query"]["pages"].values()[0]["revisions"][0]["*"]
return mwparserfromhell.parse(text)

.. _MediaWiki: http://mediawiki.org
.. _ReadTheDocs: http://mwparserfromhell.readthedocs.org
.. _Earwig: http://en.wikipedia.org/wiki/User:The_Earwig
.. _Σ: http://en.wikipedia.org/wiki/User:%CE%A3
.. _Legoktm: http://en.wikipedia.org/wiki/User:Legoktm
.. _GitHub: https://github.com/earwig/mwparserfromhell
.. _Python Package Index: http://pypi.python.org
.. _StackOverflow question: http://stackoverflow.com/questions/2817869/error-unable-to-find-vcvarsall-bat
.. _get pip: http://pypi.python.org/pypi/pip
.. _EarwigBot: https://github.com/earwig/earwigbot
.. _Pywikipedia: https://www.mediawiki.org/wiki/Manual:Pywikipediabot
.. _API: http://mediawiki.org/wiki/API