ripple-dev-portal

The Ripple Developer Portal is the authoritative source for Ripple documentation, including the rippled server, RippleAPI, the Ripple Data API, and other Ripple open-source software.

Repository Layout

The HTML pages in this portal are generated from the markdown files in the content/ folder. Always edit the markdown files, not the HTML files.

The tool/ folder contains a tool, called Dactyl, for generating the HTML files in the top level. The dactyl_build.py script uses the templates and the a YAML config file to generate HTML output. The dactyl_link_checker.py script checks the generated HTML content for broken links. The dactyl_style_checker.py script (experimental) checks the content for style guide violations.

In general, Dactyl assumes you are running it with tool/ as the current working directory, and the included config uses the top level of this repository as the output directory.

Dactyl Setup

Dactyl uses Python 3 and a number of modules. First, make sure you have Python 3 installed in your local operating system, then use PIP to install the dependencies:

pip3 install -r tool/packages.txt

Building

The default configuration is dactyl-config.yml. You can specify an alternate config file with the -c or --config parameter:

./dactyl_build.py -c alt-config.yml ./dactyl_link_checker.py -c alt-config.yml

This script does the following:

Chooses a target based on the commandline -t parameter. If not specified, uses the first target listed in the config file. If building for PDF, add the --pdf your_output_file.pdf parameter (The output filename must end in .pdf!)
Reads the list of pages from the config.
For all pages that have a filename as the md parameter in the config, it reads the file from the configured content_path and "preprocesses" any Jinja2 Templating Language statements in those files. The markdown files can use this opportunity to include other files, or include or exclude content based on the target and pages parameters.
For all pages that have a URL as the md parameter, it fetches the file via HTTP(S). No pre-processing occurs on such contents.
For all the retrieved and preprocessed markdown files, it parses them using Python's markdown library, with extras enabled to approximate GitHub-flavored markdown.
For each page, it parses the template configured for the page using Jinja2, falling back to the default_template (or pdf_template). If it produced HTML from a Markdown source, it passes that HTML as the content parameter to the template. It also passes in several other arguments from the config file, including definition of the current page as the currentpage parameter.
It applies several post-processing steps on the generated HTML. Additional filters can be configured as plugins to run on a per-page or per-target basis. Dactyl always performs link substitution by target.
If building for PDF: It outputs the resulting HTML files to the configured temporary_files_path, using filenames specified in the html parameter of each page in the config file. It also copies the template_static_path and content_static_path folders to the temporary folder. Then it runs Prince to generate a PDF. It writes the generated PDF to the out_path.
Otherwise: It outputs the resulting HTML files to the out_path. This does not generate a working copy of the site unless the necessary static files are also available at the out_path. (This is true by default, since the default output directory is the top level of the repository.) You can have it copy the configured template_static_path (containing files referenced by the templates) and the content_static_path (containing files referenced by the content) to the output directory using the --copy_static or -s parameter.

Githubify Mode

Alternate usage: -g produces a GitHub-flavored Markdown version of a single file. This parameter takes one argument, which should be a markdown file in the content_path. The tool uses Jinja2 to "preprocess" the file, as above, but stops after assembling GitHub-flavored Markdown and writes the output to the same filename in the out_path.

Note: The tool never erases files from the out_path or the temporary_files_path. You may want to do that yourself, especially if you remove files from your config or rename them.

Multiple Targets

You can define multiple targets in the config file with arbitrary key-value parameters. The two parameters that the tool cares about by default are name (used to identify the target on the commandline and in the pages section of the config) and filters (which lists filter plugins to apply, if provided).

By default, the tool builds the first target in the list. Every page in the pages array is included in every target unless the page definition includes an explicit list of targets to build. (Each member in the list should be the name of a target.)

The tool can perform automatic substitution of links in the resulting HTML (or Markdown, when using githubify). For each parameter in the page definition that matches the name of a target, it replaces links to the html file with the contents of the target-name-parameter. Anchors from the original link carry over. This allows you to link to other pages using the filenames from the local version of the site, but replace them with different links for a live site. (As seen in the default configuration, Ripple.com has very different URLs for many pages.)

Filters

Dactyl can apply various filters on document content, which is useful for handling compatibility with alternate Markdown flavors, among other things. The filters option, at the target or page level of the config, should contain an array of filters to apply. (Filters at the target level apply to all pages in that target; filters at the page level apply to that page only.) Each filter is implemented by a Python script in the Dactyl directory named filter_{filter_name}.py, based on the {filter_name} specified in the config.

Filters can apply at any or all of three steps: Raw markdown, raw HTML, or BeautifulSoup, as follows:

Raw markdown filters implement a filter_markdown(md) function, which inputs and outputs a string of markdown text.

Raw HTML filters implement a filter_html(html) function, which inputs and outputs a string of HTML text.

BeautifulSoup filters implement a filter_soup(soup) method, which takes a BeautifulSoup4 representation of the parsed HTML content as input. Because the input is passed by reference, the function modifies the soup in place instead of returning it.

Dactyl comes with the following filters:

remove_doctoc - Remove DOCTOC-generated tables of contents
multicode_tabs - Un-comment <div class="multicode"> and </div> tags
standardize_header_ids - Modify the id fields of generated header (<h#>) elements to use dashes instead of underscores. (This is for compatibility with previously-used doc tools.)
buttonize - Adds the button class to links whose text ends in >
markdown_in_divs - Automatically add the markdown="1" element to <div> elements so that their contents get parsed as Markdown. (No longer used by the Dev Portal, but useful for compatibility with Markdown flavors that do this automatically.)

Contributing

The Developer Portal welcomes outside contributions, especially to the documentation contents. If you have any corrections, improvements, or expansions of the portal, please contribute pull requests to the master branch.

Contributions become copyright Ripple and are provided under the MIT LICENSE.

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