# apas/athena

Elegant, minimalist, simple static blog generator written in Python
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# athena

athena is an elegant, minimalist, simple static blog generator written in Python. It is based on Flask, Pandoc, and Tufte CSS.

You can browse the live demo here.

## Why athena?

Because it is the simplest, yet aesthetically pure, static blog generator with paramount focus on the reading experience. As a WordPress user since 2007, I think it's time for a change. Other static blog generators are too feature heavy and bloated. athena just works.

### Tufte CSS

Edward Tufte’s style is known for its simplicity, extensive use of sidenotes, tight integration of graphics with text, and carefully chosen typography. More about ET.

## Install

Dependencies: Python 3, pandoc, pandoc-citeproc, pandoc-crossref, pandoc-sidenote.

1. git clone https://github.com/apas/athena.git
2. python3 install.py

The install script will check for Python 3 and Pandoc dependencies, create and activate an appropriate virtual environment, install the pip dependencies, and finally prompt you to customize athena with a blog title and author, a description for the home page and sidebar, and a footer caption like:

==> Customizing athena. . .
Enter title: Athena
Enter sidebar description: A brief description for each post with a navigation bar.
Enter footer: Footer


Upon a successful installation, the script generates a config.py file which contains the values you've entered when prompted and are shared between the Python backend and the Jinja template engine.

## Usage

### Running athena

1. python athena.py

athena will start a Flask server at 127.0.0.1:5000.

### Building static HTML

1. python athena.py build

A new build/ directory will be created (it's automatically ignored by git.) For subsequent builds, athena rebuilds only the updated files, rather than the entire codebase.

For deploying athena to a remote server read the relevant section below.

### Post structure

athena supports two types of Markdown-to-HTML content: posts and pages. posts are normal blog posts and pages are auxiliary to the blog pages such as About or Contact. Both are read from the pages/ directory and are subsequently built to static HTML files. The difference between a post and a page is one YAML key.

Posts

---
title: Title of the post
date: 2016-03-12
description: A short description of the post.
...


Posts are accessible in the following endpoint: /posts/<name-of-post>

Pages

---
title: Title of the page
date: 2017-11-14
ispage: yes
...


Pages are accessible in the following endpoint: /<name-of-page>

For both posts and pages: title and date values are extracted for the index loop and the post's permalink; the ispage value is filtered in the backend in order to produce a list of posts and a list of pages for the nav and side bars, as well as the Atom feed. Both author and description values are used in the post's HTML meta tags and are optional. The name of the Markdown file for either a post or a page can by anything and is its URL path.

For instance:
about.md with ispage: yes will be available at /about
random.md without ispage at all will be available at /posts/random

### Tufte CSS-specific elements

athena uses the beautiful Tufte CSS layout. Markdown is automatically rendered to proper HTML and corresponding Tufte rules.

I highlight all relevant syntax in the elements file. However, a brief summary of the most frequent elements is provided below.

Image

![Hackers and painters; by Pieter Bruegel.]( {{
url_for('static', filename='img/bruegel.jpg') }}){#fig:bruegel}


A relevant directory to host and serve from all your image assets is static/img. The image caption is used as the image's margin note.

Side note (Numbered footnote in the right margin)

Etiam ut arcu nec massa bibendum lobortis ac eu justo. Proin sit amet
sagittis est. [^note]

[^note]: A note.


Margin note (Unnumbered footnote in the right margin)

They're not doing research per se, though if in the course of
trying to make good things they discover some new technique, so much the
better. [^mn]

[^mn]:
{-} This is a margin note. Notice there isn't a number preceding
the note.


Code

You can write inline code by enclosing text in single backticks. Alternatively, for blocks use three backticks. athena supports code highlighting via Pygmentize.

 {.python}
# a code block with syntax highlighting
def hello():
print "world"



Table

When including a table element align the first column to the left for maximum Tufte enjoyment.

| Tables   |      Are      |  Cool |
|:---------|---------------|-------|
| col 1 is |  left-aligned |  Foo  |
: A demo table. {#tbl:demo}


Bib citations

Simply create a .bib file in the /pages directory for each post that cites one or more references and populate it accordingly. At build time, athena creates a new all.bib index out of all .bib files. Then, simply reference your citation as you normally would:

At one end you have people who are really mathematicians, but call
what they're doing computer science so they can get
DARPA grants. [@clark1988design]


For posts with citations, athena automatically appends the relevant bibliography at the end of the post under a References header element.

Math

You can write inline math by enclosing text in single dollar signs. Alternatively, for blocks use double dollar signs and a space. Math is rendered via MathML.

See [@eq:euler].

$$e^{i\pi} - 1 = 0$$ {#eq:euler}


Cross-references

You might have observed that for image, table, and math references athena also relies on {#fig:xxx} and [@fig:xxx] (tbl and eq respectively) elements. These are optional and are used by pandoc-crossref to automatically generate numbered captions and references in the generated text. For the complete cross-reference documentation please visit the pandoc-crossref repository.

### Atom feed

athena generates an Atom feed at the /feed.atom endpoint.

### Try as you write

Simply run athena as documented above. This allows you to test everything locally before building to static HTML, committing, and deploying to your remote server. If you're using Sublime Text I recommend installing the LiveReload plugin for Safari or Google Chrome.

### Deploying athena

athena works out of the box with any server capable of serving HTML content. If you do not want to pay for or own a server you can use GitHub Pages. It's where the cool kids hang out nowadays, anyway.

If you're using your own hosting solution you know what to do now. Happy blogging!

For GitHub pages you can init a new git repo from within the /build directory since athena's ignoring it and push from there.