A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
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  1. Changelog
  2. =========
  3. v0.6
  4. ----
  5. Unreleased
  6. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.5.4...develop>`__):
  7. - Added support for Python 3.8.
  8. - Dropped support for end-of-life Python 3.4.
  9. - Updated Wikicode.matches() to recognize underscores as being equivalent
  10. to spaces. (`#216 <https://github.com/earwig/mwparserfromhell/issues/216>`_)
  11. - Fixed a rare parsing bug involving deeply nested style tags.
  12. (`#224 <https://github.com/earwig/mwparserfromhell/issues/224>`_)
  13. v0.5.4
  14. ------
  15. `Released May 15, 2019 <https://github.com/earwig/mwparserfromhell/tree/v0.5.4>`_
  16. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.5.3...v0.5.4>`__):
  17. - Fixed an unlikely crash in the C tokenizer when interrupted while parsing
  18. a heading.
  19. v0.5.3
  20. ------
  21. `Released March 30, 2019 <https://github.com/earwig/mwparserfromhell/tree/v0.5.3>`_
  22. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.5.2...v0.5.3>`__):
  23. - Fixed manual construction of Node objects, previously unsupported.
  24. (`#214 <https://github.com/earwig/mwparserfromhell/issues/214>`_)
  25. - Fixed :class:`.Wikicode` transformation methods (:meth:`.Wikicode.replace`,
  26. :meth:`.Wikicode.remove`, etc.) when passed an empty section as an argument.
  27. (`#212 <https://github.com/earwig/mwparserfromhell/issues/212>`_)
  28. - Fixed the parser getting stuck inside malformed tables.
  29. (`#206 <https://github.com/earwig/mwparserfromhell/issues/206>`_)
  30. v0.5.2
  31. ------
  32. `Released November 1, 2018 <https://github.com/earwig/mwparserfromhell/tree/v0.5.2>`_
  33. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.5.1...v0.5.2>`__):
  34. - Dropped support for end-of-life Python versions 2.6, 3.2, 3.3.
  35. (`#199 <https://github.com/earwig/mwparserfromhell/issues/199>`_,
  36. `#204 <https://github.com/earwig/mwparserfromhell/pull/204>`_)
  37. - Fixed signals getting stuck inside the C tokenizer until parsing finishes,
  38. in pathological cases.
  39. (`#206 <https://github.com/earwig/mwparserfromhell/issues/206>`_)
  40. - Fixed `<wbr>` not being considered a single-only tag.
  41. (`#200 <https://github.com/earwig/mwparserfromhell/pull/200>`_)
  42. - Fixed a C tokenizer crash on Python 3.7 when compiled with assertions.
  43. (`#208 <https://github.com/earwig/mwparserfromhell/issues/208>`_)
  44. - Cleaned up some minor documentation issues.
  45. (`#207 <https://github.com/earwig/mwparserfromhell/pull/207>`_)
  46. v0.5.1
  47. ------
  48. `Released March 3, 2018 <https://github.com/earwig/mwparserfromhell/tree/v0.5.1>`_
  49. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.5...v0.5.1>`__):
  50. - Improved behavior when adding parameters to templates (via
  51. :meth:`.Template.add`) with poorly formatted whitespace conventions.
  52. (`#185 <https://github.com/earwig/mwparserfromhell/issues/185>`_)
  53. - Fixed the parser getting stuck in deeply nested HTML tags with unclosed,
  54. quoted attributes.
  55. (`#190 <https://github.com/earwig/mwparserfromhell/issues/190>`_)
  56. v0.5
  57. ----
  58. `Released June 23, 2017 <https://github.com/earwig/mwparserfromhell/tree/v0.5>`_
  59. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.4.4...v0.5>`__):
  60. - Added :meth:`.Wikicode.contains` to determine whether a :class:`.Node` or
  61. :class:`.Wikicode` object is contained within another :class:`.Wikicode`
  62. object.
  63. - Added :meth:`.Wikicode.get_ancestors` and :meth:`.Wikicode.get_parent` to
  64. find all ancestors and the direct parent of a :class:`.Node`, respectively.
  65. - Fixed a long-standing performance issue with deeply nested, invalid syntax
  66. (`issue #42 <https://github.com/earwig/mwparserfromhell/issues/42>`_). The
  67. parser should be much faster on certain complex pages. The "max cycle"
  68. restriction has also been removed, so some situations where templates at the
  69. end of a page were being skipped are now resolved.
  70. - Made :meth:`Template.remove(keep_field=True) <.Template.remove>` behave more
  71. reasonably when the parameter is already empty.
  72. - Added the *keep_template_params* argument to :meth:`.Wikicode.strip_code`.
  73. If *True*, then template parameters will be preserved in the output.
  74. - :class:`.Wikicode` objects can now be pickled properly (fixed infinite
  75. recursion error on incompletely-constructed :class:`.StringMixIn`
  76. subclasses).
  77. - Fixed :meth:`.Wikicode.matches`\ 's behavior on iterables besides lists and
  78. tuples.
  79. - Fixed ``len()`` sometimes raising ``ValueError`` on empty node lists.
  80. - Fixed a rare parsing bug involving self-closing tags inside the attributes of
  81. unpaired tags.
  82. - Fixed release script after changes to PyPI.
  83. v0.4.4
  84. ------
  85. `Released December 30, 2016 <https://github.com/earwig/mwparserfromhell/tree/v0.4.4>`_
  86. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.4.3...v0.4.4>`__):
  87. - Added support for Python 3.6.
  88. - Fixed parsing bugs involving:
  89. - wikitables nested in templates;
  90. - wikitable error recovery when unable to recurse;
  91. - templates nested in template parameters before other parameters.
  92. - Fixed parsing file-like objects.
  93. - Made builds deterministic.
  94. - Documented caveats.
  95. v0.4.3
  96. ------
  97. `Released October 29, 2015 <https://github.com/earwig/mwparserfromhell/tree/v0.4.3>`_
  98. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.4.2...v0.4.3>`__):
  99. - Added Windows binaries for Python 3.5.
  100. - Fixed edge cases involving wikilinks inside of external links and vice versa.
  101. - Fixed a C tokenizer crash when a keyboard interrupt happens while parsing.
  102. v0.4.2
  103. ------
  104. `Released July 30, 2015 <https://github.com/earwig/mwparserfromhell/tree/v0.4.2>`__
  105. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.4.1...v0.4.2>`__):
  106. - Fixed setup script not including header files in releases.
  107. - Fixed Windows binary uploads.
  108. v0.4.1
  109. ------
  110. `Released July 30, 2015 <https://github.com/earwig/mwparserfromhell/tree/v0.4.1>`__
  111. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.4...v0.4.1>`__):
  112. - The process for building Windows binaries has been fixed, and these should be
  113. distributed along with new releases. Windows users can now take advantage of
  114. C speedups without having a compiler of their own.
  115. - Added support for Python 3.5.
  116. - ``<`` and ``>`` are now disallowed in wikilink titles and template names.
  117. This includes when denoting tags, but not comments.
  118. - Fixed the behavior of *preserve_spacing* in :meth:`.Template.add` and
  119. *keep_field* in :meth:`.Template.remove` on parameters with hidden keys.
  120. - Removed :meth:`._ListProxy.detach`. :class:`.SmartList`\ s now use weak
  121. references and their children are garbage-collected properly.
  122. - Fixed parser bugs involving:
  123. - templates with completely blank names;
  124. - templates with newlines and comments.
  125. - Heavy refactoring and fixes to the C tokenizer, including:
  126. - corrected a design flaw in text handling, allowing for substantial speed
  127. improvements when parsing long strings of plain text;
  128. - implemented new Python 3.3
  129. `PEP 393 <https://www.python.org/dev/peps/pep-0393/>`_ Unicode APIs.
  130. - Fixed various bugs in :class:`.SmartList`, including one that was causing
  131. memory issues on 64-bit builds of Python 2 on Windows.
  132. - Fixed some bugs in the release scripts.
  133. v0.4
  134. ----
  135. `Released May 23, 2015 <https://github.com/earwig/mwparserfromhell/tree/v0.4>`_
  136. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.3.3...v0.4>`__):
  137. - The parser now falls back on pure Python mode if C extensions cannot be
  138. built. This fixes an issue that prevented some Windows users from installing
  139. the parser.
  140. - Added support for parsing wikicode tables (patches by David Winegar).
  141. - Added a script to test for memory leaks in :file:`scripts/memtest.py`.
  142. - Added a script to do releases in :file:`scripts/release.sh`.
  143. - *skip_style_tags* can now be passed to :func:`mwparserfromhell.parse()
  144. <.parse_anything>` (previously, only :meth:`.Parser.parse` allowed it).
  145. - The *recursive* argument to :class:`Wikicode's <.Wikicode>` :meth:`.filter`
  146. methods now accepts a third option, ``RECURSE_OTHERS``, which recurses over
  147. all children except instances of *forcetype* (for example,
  148. ``code.filter_templates(code.RECURSE_OTHERS)`` returns all un-nested
  149. templates).
  150. - The parser now understands HTML tag attributes quoted with single quotes.
  151. When setting a tag attribute's value, quotes will be added if necessary. As
  152. part of this, :class:`.Attribute`\ 's :attr:`~.Attribute.quoted` attribute
  153. has been changed to :attr:`~.Attribute.quotes`, and is now either a string or
  154. ``None``.
  155. - Calling :meth:`.Template.remove` with a :class:`.Parameter` object that is
  156. not part of the template now raises :exc:`ValueError` instead of doing
  157. nothing.
  158. - :class:`.Parameter`\ s with non-integer keys can no longer be created with
  159. *showkey=False*, nor have the value of this attribute be set to *False*
  160. later.
  161. - :meth:`._ListProxy.destroy` has been changed to :meth:`._ListProxy.detach`,
  162. and now works in a more useful way.
  163. - If something goes wrong while parsing, :exc:`.ParserError` will now be
  164. raised. Previously, the parser would produce an unclear :exc:`.BadRoute`
  165. exception or allow an incorrect node tree to be build.
  166. - Fixed parser bugs involving:
  167. - nested tags;
  168. - comments in template names;
  169. - tags inside of ``<nowiki>`` tags.
  170. - Added tests to ensure that parsed trees convert back to wikicode without
  171. unintentional modifications.
  172. - Added support for a :envvar:`NOWEB` environment variable, which disables a
  173. unit test that makes a web call.
  174. - Test coverage has been improved, and some minor related bugs have been fixed.
  175. - Updated and fixed some documentation.
  176. v0.3.3
  177. ------
  178. `Released April 22, 2014 <https://github.com/earwig/mwparserfromhell/tree/v0.3.3>`_
  179. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.3.2...v0.3.3>`__):
  180. - Added support for Python 2.6 and 3.4.
  181. - :meth:`.Template.has` is now passed *ignore_empty=False* by default
  182. instead of *True*. This fixes a bug when adding parameters to templates with
  183. empty fields, **and is a breaking change if you rely on the default
  184. behavior.**
  185. - The *matches* argument of :class:`Wikicode's <.Wikicode>` :meth:`.filter`
  186. methods now accepts a function (taking one argument, a :class:`.Node`, and
  187. returning a bool) in addition to a regex.
  188. - Re-added *flat* argument to :meth:`.Wikicode.get_sections`, fixed the order
  189. in which it returns sections, and made it faster.
  190. - :meth:`.Wikicode.matches` now accepts a tuple or list of
  191. strings/:class:`.Wikicode` objects instead of just a single string or
  192. :class:`.Wikicode`.
  193. - Given the frequency of issues with the (admittedly insufficient) tag parser,
  194. there's a temporary *skip_style_tags* argument to :meth:`~.Parser.parse` that
  195. ignores ``''`` and ``'''`` until these issues are corrected.
  196. - Fixed a parser bug involving nested wikilinks and external links.
  197. - C code cleanup and speed improvements.
  198. v0.3.2
  199. ------
  200. `Released September 1, 2013 <https://github.com/earwig/mwparserfromhell/tree/v0.3.2>`_
  201. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.3.1...v0.3.2>`__):
  202. - Added support for Python 3.2 (along with current support for 3.3 and 2.7).
  203. - Renamed :meth:`.Template.remove`\ 's first argument from *name* to *param*,
  204. which now accepts :class:`.Parameter` objects in addition to parameter name
  205. strings.
  206. v0.3.1
  207. ------
  208. `Released August 29, 2013 <https://github.com/earwig/mwparserfromhell/tree/v0.3.1>`_
  209. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.3...v0.3.1>`__):
  210. - Fixed a parser bug involving URLs nested inside other markup.
  211. - Fixed some typos.
  212. v0.3
  213. ----
  214. `Released August 24, 2013 <https://github.com/earwig/mwparserfromhell/tree/v0.3>`_
  215. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.2...v0.3>`__):
  216. - Added complete support for HTML :class:`Tags <.Tag>`, including forms like
  217. ``<ref>foo</ref>``, ``<ref name="bar"/>``, and wiki-markup tags like bold
  218. (``'''``), italics (``''``), and lists (``*``, ``#``, ``;`` and ``:``).
  219. - Added support for :class:`.ExternalLink`\ s (``http://example.com/`` and
  220. ``[http://example.com/ Example]``).
  221. - :class:`Wikicode's <.Wikicode>` :meth:`.filter` methods are now passed
  222. *recursive=True* by default instead of *False*. **This is a breaking change
  223. if you rely on any filter() methods being non-recursive by default.**
  224. - Added a :meth:`.matches` method to :class:`.Wikicode` for page/template name
  225. comparisons.
  226. - The *obj* param of :meth:`.Wikicode.insert_before`, :meth:`.insert_after`,
  227. :meth:`~.Wikicode.replace`, and :meth:`~.Wikicode.remove` now accepts
  228. :class:`.Wikicode` objects and strings representing parts of wikitext,
  229. instead of just nodes. These methods also make all possible substitutions
  230. instead of just one.
  231. - Renamed :meth:`.Template.has_param` to :meth:`~.Template.has` for consistency
  232. with :class:`.Template`\ 's other methods; :meth:`.has_param` is now an
  233. alias.
  234. - The C tokenizer extension now works on Python 3 in addition to Python 2.7.
  235. - Various bugfixes, internal changes, and cleanup.
  236. v0.2
  237. ----
  238. `Released June 20, 2013 <https://github.com/earwig/mwparserfromhell/tree/v0.2>`_
  239. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.1.1...v0.2>`__):
  240. - The parser now fully supports Python 3 in addition to Python 2.7.
  241. - Added a C tokenizer extension that is significantly faster than its Python
  242. equivalent. It is enabled by default (if available) and can be toggled by
  243. setting :attr:`mwparserfromhell.parser.use_c` to a boolean value.
  244. - Added a complete set of unit tests covering parsing and wikicode
  245. manipulation.
  246. - Renamed :meth:`.filter_links` to :meth:`.filter_wikilinks` (applies to
  247. :meth:`.ifilter` as well).
  248. - Added filter methods for :class:`Arguments <.Argument>`,
  249. :class:`Comments <.Comment>`, :class:`Headings <.Heading>`, and
  250. :class:`HTMLEntities <.HTMLEntity>`.
  251. - Added *before* param to :meth:`.Template.add`; renamed *force_nonconformity*
  252. to *preserve_spacing*.
  253. - Added *include_lead* param to :meth:`.Wikicode.get_sections`.
  254. - Removed *flat* param from :meth:`.get_sections`.
  255. - Removed *force_no_field* param from :meth:`.Template.remove`.
  256. - Added support for Travis CI.
  257. - Added note about Windows build issue in the README.
  258. - The tokenizer will limit itself to a realistic recursion depth to prevent
  259. errors and unreasonably long parse times.
  260. - Fixed how some nodes' attribute setters handle input.
  261. - Fixed multiple bugs in the tokenizer's handling of invalid markup.
  262. - Fixed bugs in the implementation of :class:`.SmartList` and
  263. :class:`.StringMixIn`.
  264. - Fixed some broken example code in the README; other copyedits.
  265. - Other bugfixes and code cleanup.
  266. v0.1.1
  267. ------
  268. `Released September 21, 2012 <https://github.com/earwig/mwparserfromhell/tree/v0.1.1>`_
  269. (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.1...v0.1.1>`__):
  270. - Added support for :class:`Comments <.Comment>` (``<!-- foo -->``) and
  271. :class:`Wikilinks <.Wikilink>` (``[[foo]]``).
  272. - Added corresponding :meth:`.ifilter_links` and :meth:`.filter_links` methods
  273. to :class:`.Wikicode`.
  274. - Fixed a bug when parsing incomplete templates.
  275. - Fixed :meth:`.strip_code` to affect the contents of headings.
  276. - Various copyedits in documentation and comments.
  277. v0.1
  278. ----
  279. `Released August 23, 2012 <https://github.com/earwig/mwparserfromhell/tree/v0.1>`_:
  280. - Initial release.