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An extended commonmark compliant parser, with bridges to docutils & sphinx.

Reason this release was yanked:

no sphinx pinning

Project description

MyST-Parser

CI Status Coverage Documentation Status Code style: black PyPI

An extended commonmark compliant parser, with bridges to docutils & sphinx.

Usage

pip install myst-parser[sphinx]

Or for package development:

git clone https://github.com/ExecutableBookProject/MyST-Parser
cd MyST-Parser
git checkout master
pip install -e .[sphinx,code_style,testing,rtd]

To use the MyST parser in Sphinx, simply add: extensions = ["myst_parser"] to your conf.py.

Parsed Token Classes

For more information, also see the CommonMark Spec.

Block Tokens

  • FrontMatter: A YAML block at the start of the document enclosed by ---
  • HTMLBlock: Any valid HTML (rendered in HTML output only)
  • LineComment: % this is a comment
  • BlockCode: indented text (4 spaces)
  • Heading: # Heading (levels 1-6)
  • SetextHeading: underlined header
  • Quote: > this is a quote
  • CodeFence: enclosed in 3 or more backticks. If it starts with a {name}, then treated as directive.
  • ThematicBreak: ---
  • List: bullet points or enumerated.
  • Table: Standard markdown table styles.
  • Footnote: A substitution for an inline link (e.g. [key][name]), which can have a reference target (no spaces), and an optional title (in "), e.g. [key]: https://www.google.com "a title"
  • Paragraph: General inline text

Span (Inline) Tokens

  • Role: `{name}`interpreted text`
  • Math: $a=1$ or $$a=1$$
  • HTMLSpan: any valid HTML (rendered in HTML output only)
  • EscapeSequence: \*
  • AutoLink: <http://www.google.com>
  • Target: (target)= (precedes element to target, e.g. header)
  • InlineCode: `a=1`
  • LineBreak: Soft or hard (ends with spaces or \)
  • Image: ![alt](src "title")
  • Link: [text](target "title") or [text][key] (key from Footnote)
  • Strong: **strong**
  • Emphasis: *emphasis*
  • RawText

Contributing

Code Style

Code style is tested using flake8, with the configuration set in .flake8, and code formatted with black.

Installing with myst-parser[code_style] makes the pre-commit package available, which will ensure this style is met before commits are submitted, by reformatting the code and testing for lint errors. It can be setup by:

>> cd MyST-Parser
>> pre-commit install

Optionally you can run black and flake8 separately:

>> black .
>> flake8 .

Editors like VS Code also have automatic code reformat utilities, which can adhere to this standard.

Pull Requests

To contribute, make Pull Requests to the master branch (this is the default branch). A PR can consist of one or multiple commits. Before you open a PR, make sure to clean up your commit history and create the commits that you think best divide up the total work as outlined above (use git rebase and git commit --amend). Ensure all commit messages clearly summarise the changes in the header and the problem that this commit is solving in the body.

Merging pull requests: There are three ways of 'merging' pull requests on GitHub:

  • Squash and merge: take all commits, squash them into a single one and put it on top of the base branch. Choose this for pull requests that address a single issue and are well represented by a single commit. Make sure to clean the commit message (title & body)
  • Rebase and merge: take all commits and 'recreate' them on top of the base branch. All commits will be recreated with new hashes. Choose this for pull requests that require more than a single commit. Examples: PRs that contain multiple commits with individually significant changes; PRs that have commits from different authors (squashing commits would remove attribution)
  • Merge with merge commit: put all commits as they are on the base branch, with a merge commit on top Choose for collaborative PRs with many commits. Here, the merge commit provides actual benefits.

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