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* Optimize away a `len` call in InlineProcessorOleh Prypin2020-12-211-1/+2
| | | | | | - just get the length once at the beginning. The gains are tiny but when the total number of calls to these is in the hundreds of thousands, it makes a sizeable difference.
* Use simplified regex for html placeholders (#1086)Waylan Limberg2020-12-081-2/+14
| | | Co-authored-by: Reilly Raab <raabrp@gmail.com>
* Properly parse unclosed tags in code spansWaylan Limberg2020-11-232-0/+52
| | | | | | | * fix unclosed pi in code span * fix unclosed dec in code span * fix unclosed tag in code span Closes #1066.
* Properly parse processing instructions in md_in_htmlWaylan Limberg2020-11-191-4/+1
| | | | | | | Empty tags do not have a `mardkown` attribute set on them. Therefore, there is no need to check the mdstack to determine behavior. If we are in any md_in_html state (regardless of block, span, etc) the behavior is the same. Fixes #1070.
* Properly parse code spans in md_in_html (#1069)Waylan Limberg2020-11-182-15/+22
| | | | | | | | | | This reverts part of 2766698 and re-implements handling of tails in the same manner as the core. Also, ensure line_offset doesn't raise an error on bad input (see #1066) and properly handle script tags in code spans (same as in the core). Fixes #1068.
* Bump version to 3.3.33.3.3Waylan Limberg2020-10-251-1/+1
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* Fix issues related to hr tagsIsaac Muse2020-10-242-6/+48
| | | | | | | | | | | Ensure that start/end tag handler does not include tags in the previous paragraph. Provide special handling for tags like hr that never have content. Use sets for block tag lists as they are much faster when comparing if an item is in the list. Fixes #1053.
* Avoid catastrophic backtracking in `hr` regexWaylan Limberg2020-10-241-5/+4
| | | | Fixes #1055.
* Ensure when tag text is None that it is converted to empty stringIsaac Muse2020-10-211-0/+2
| | | Fixes #1049
* Unify all block-level tags. (#1048)Waylan Limberg2020-10-203-32/+29
| | | | | | Use the list of tags defined in the core by the md_in_html extension. This ensures that the lists do not diverge and allows users and/or extensions to expand the list in the core and have that change affect the extension. Fixes #1047.
* Bump version to 3.3.23.3.2Waylan Limberg2020-10-191-1/+1
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* Properly parse inline HTML in md_in_htmlIsaac Muse2020-10-191-5/+31
| | | Fixes #1040 and fixes #1045.
* Account for Etree Elements in HTML StashWaylan Limberg2020-10-142-1/+17
| | | | | | | | | | | | | | | | By calling str on all stash elements we ensure they don't raise an error. Worse case, soemthing like `<Element 'div' at 0x000001B2DAE94900>` gets inserted into the output. However, with the override in the md_in_html extension, we actually serialize and reinsert the original HTML. Worse case, an HTML block which should be parsed as Markdown gets skipped by the extension (`<div markdown="block"></div>` gets inserting into the output). The tricky part is testing as there should be no known cases where this ever occurs. Therefore, we forefully pass an etree Element directly to the method in the test. That said, as #1040 is unresolved at this point, I have tested locally with a real existing case and it works well. Related to #1040.
* Bump version to 3.3.13.3.1Waylan Limberg2020-10-121-1/+1
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* Correctly parse raw `script` and `style` tags. (#1038)Waylan Limberg2020-10-121-0/+70
| | | | | | | * Ensure unclosed script tags are parsed correctly by providing a workaround for https://bugs.python.org/issue41989. * Avoid cdata_mode outside of HTML blocks, such as in inline code spans. Fixes #1036.
* Some test tweaks.Waylan Limberg2020-10-081-2/+5
| | | | | | | | | | * Pygments specific tests now only run when the pygments version installed matches the expected version. That version is defined in an environment variable (PYGMENTS_VERSION) in the 'pygments' tox env (see #1030). * When the Python lib tidylib is installed but the underlying c lib is not, the relevant tests are now skipped rather than fail. This matches the behavior when the Python lib is not installed. The tox envs are now useful on systems which don't have the c lib installed.
* Ensure consistent handling of classes by fenced_code and codehilite (#1033)Waylan Limberg2020-10-081-8/+7
| | | | | | | * All non-language classes should always be assigned to the pre tag. * The language identifying class should never be included with the general list of classes. Fixes #1032
* Bump version to 3.3.3.3Waylan Limberg2020-10-061-1/+1
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* Support unicode ids in toc (#970)Antoine2020-10-011-4/+9
| | | A second function, `slugify_unicode` was added rather than changing the existing function so as to maintain backward compatibility. While an `encoding` parameter was added to the `slugify` function, we can't expect existing third party functions to accept a third parameter. Therefore, the two parameter API was preserved with this change.
* Refactor HTML Parser (#803)Waylan Limberg2020-09-227-470/+583
| | | | | | | | | | The HTML parser has been completely replaced. The new HTML parser is built on Python's html.parser.HTMLParser, which alleviates various bugs and simplifies maintenance of the code. The md_in_html extension has been rebuilt on the new HTML Parser, which drastically simplifies it. Note that raw HTML elements with a markdown attribute defined are now converted to ElementTree Elements and are rendered by the serializer. Various bugs have been fixed. Link reference parsing, abbreviation reference parsing and footnote reference parsing has all been moved from preprocessors to blockprocessors, which allows them to be nested within other block level elements. Specifically, this change was necessary to maintain the current behavior in the rebuilt md_in_html extension. A few random edge-case bugs (see the included tests) were resolved in the process. Closes #595, closes #780, closes #830 and closes #1012.
* Fix complex scenarios with definition, ordered, and unordered lists (#1007)Isaac Muse2020-07-271-3/+5
| | | Fixes #918.
* Fix complex scenarios with lists and admonitions (#1006)Isaac Muse2020-07-261-5/+75
| | | | | Add better logic to admonitions to account for more complex list cases Fixes #1004
* Fix HR which follows strong em.Waylan Limberg2020-07-011-1/+1
| | | | Fixes #897.
* Support short reference image links.Waylan Limberg2020-07-011-0/+11
| | | | Fixes #894.
* Add suport for attr_lists in table headers.Waylan Limberg2020-06-301-1/+1
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* Tune attr list regexWaylan Limberg2020-06-301-8/+6
| | | | | | | | | | | Ignore empty braces. Braces must contain at least one non-whitepsace character to be recognized as an attr list. Attr lists for table cells must be at the end of the cell content and must be seperated from the content by at least one space. This appears to be a breaking change. However, it is consistent with the behavior elsewhere. Fixes #898.
* Fix unescaping of HTML characters <> in CodeHilite. (#990)Rohitt Vashishtha2020-06-291-1/+3
| | | | | | | | | | | Previously, we'd unescape both `&amp;gt;` and `&gt;` to the same string because we were running the &amp; => & replacement first. By changing the order of this replacement, we now convert: `&amp;gt; &gt;` => `&gt; >` as expected. Fixes #988.
* Limit depth of blockquotes using Python's recursion limit. (#991)Waylan Limberg2020-06-293-2/+47
| | | | | | | | | | | | | | | | | If the Python stack comes within 100 frames of the recursion limit, then the nesting limit of blockquotes is met. Any remaining text, including angle brackets, are simply wrapped in a paragraph. To increasing the nesting depth, increase Python's recursion limit. However, be aware that each level of recursion will likely result in multiple frames being added to the Python stack. Therefore, the recursion depth and nesting depth are not one-to-one. Performance is an concern here. However, the current solution seems like a reasonable compromise. It doesn't slow things down too much, but also avoids Markdown input resulting in an error. This is mostly only a concern with contrived input anyway. For the average Markdown document, this will likely never be an issue. Fixes #799.
* Refactor fenced_code & codehilite options (#816)Waylan Limberg2020-06-233-94/+201
| | | | | | | | | | | | | | | | | | | | * Add `language-` prefix to output when syntax highlighting is disabled for both codehilite and fenced_code extensions. * Add `lang_prefix` config option to customize the prefix. * Add a 'pygments' env to tox which runs the tests with Pygments installed. Pygments is locked to a specific version in the env. * Updated codehilite to accept any Pygments options. * Refactor fenced code attributes. - ID attr is defined on `pre` tag. - Add support for attr_list extension, which allows setting arbitrary attributes. - When syntax highlighting is enabled, any pygments options can be defined per block in the attr list. - For backward compatibility, continue to support `hi_lines` outside of an attr_list. That is the only attr other than lang which is allowed without the brackets (`{}`) of an attr list. Note that if the brackets exist, then everything, including lang and hl_lines, must be within them. * Resolves #775. Resolves #334. Addresses #652.
* Fix issues with complex emphasisfacelessuser2020-06-222-3/+3
| | | | | Resolves issue that can occur with complex emphasis combinations. Fixes #979
* Bump version to 3.3.dev0.Waylan Limberg2020-06-171-1/+1
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* Fix exception cause in core.pyRam Rachum2020-06-121-2/+2
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* Flake8 cleanup.Waylan Limberg2020-05-143-6/+6
| | | | | The latest version of flake8 added some new tests. This cleans up after them.
* Bump version to 3.2.23.2.2Waylan Limberg2020-05-081-1/+1
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* Avoid importing packaging or pkg_resources for version validation (#948)Ran Benita2020-04-271-17/+11
| | | | | | | | | | | | | | Importing the `pkg_resources` module has high memory and startup time cost. A recent change in 102e01c already avoided it for loading extensions, but it's still used for validating that __version__ is correctly formatted. It is possible to avoid it by installing the `packaging` package, but that adds a dependency for something quite trivial. Instead, remove the validation and add tests which check the output is as expected. Since `setuptools` is no longer required at runtime, remove it from `install_required`.
* Correctly report if an extension raises a `TypeError`.Charles Merriam2020-04-192-10/+13
| | | Also Raise a `KeyError` when attempting to delete a nonexistent key from the extension registry.
* Load entry_points once using importlib.metadata.Waylan Limberg2020-04-182-5/+10
| | | | This should be more performant. Fixes #942.
* TOC fix for AtomicString handling (#934)Isaac Muse2020-04-061-2/+15
| | | Fixes #931.
* Revert: Use simplified regex for html placeholdersfacelessuser2020-04-051-1/+1
| | | | | Not sure how tests didn't get run on this, but it was completely breaking all tests. This reverts the change.
* Use simplified regex for html placeholdersReilly Raab2020-03-301-1/+1
| | | | `util` already provides the regex we need for all placeholders, and we're doing extra work parsing for the explicit union of all of them. In documents with ~30000 placeholders, I get a ~5x speedup with this change.
* Fixed typos in extensions/codehilite.pyGaurav Kondhare2020-03-221-10/+10
| | | | | | | | | | | | Fixed spellings : 1. shebang 2. identification Added 'the' before 'said' Fixed vertical line column size to 79 Fixed failing tests : Removed trailing spaces
* Fix simple typo: wihtout -> withoutTim Gates2020-02-211-1/+1
| | | | Closes #913
* Bump version to 3.2.13.2.1Waylan Limberg2020-02-121-1/+1
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* Fix escaping of HTML special chars (<, >, &) in `.toc_tokens`Jim Porter2020-02-121-2/+3
| | | | Fixes #906.
* Bump version to 3.2.1.dev0.Waylan Limberg2020-02-081-1/+1
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* Bump version to 3.2.0.3.2Waylan Limberg2020-02-061-1/+1
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* Simplify xml.etree.ElementTree loading (#902)Dmitry Shachnev2020-02-0314-77/+64
| | | | | | | | cElementTree is a deprecated alias for ElementTree since Python 3.3. Also drop the recommendation to import etree from markdown.util, and deprecate markdown.util.etree.
* Don't emit stashed HTML tag placeholders in `.toc_tokens` (#901)Jim Porter2020-01-311-4/+9
| | | | | | Note: this slightly changes existing behavior in that raw HTML tags are no longer included in the HTML `.toc`. However, the fact that that worked before was an oversight. The intention was always to strip all markup. Resolves #899.
* Add permalink_title option (#886)Waylan Limberg2019-11-261-1/+6
| | | | | Addes a new `permalink_title` option to the TOC extension, which allows the title attribute of a permalink to be set to something other than the default English string "Permanent link". Fixes #781.
* Add anchorlink_class and permalink_class options to TOCWaylan Limberg2019-11-261-3/+11
| | | | | | | | | Two new configuration options have been added to the toc extension: `anchorlink_class` and `permalink_class` which allows class(es) to be assigned to the `anchorlink` and `permalink` HTML respectively. This allows using icon fonts from CSS for the links. Therefore, an empty string passed to `permalink` now generates an empty `permalink`. Previously no `permalink` would have been generated. Based on #776.
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