Showcasing work for the lazy. Built on Flask, YAML, Markdown and directories.
Project description
Easel
Showcasing work for the lazy. Built on Flask, YAML, Markdown and directories.
Installation
Create an environment
Create a project directory and a venv directory within:
$ mkdir my-easel
$ cd my-easel
$ python3 -m venv venv
Activate the environment
Before you work on your project, activate the corresponding environment:
$ source venv/bin/activate
Your shell prompt will change to show the name of the activated environment.
Install Easel
Within the activated environment, use the following command to install Easel:
$ pip install easel
Easel is now installed.
A Lazy Site
Create a site
Create a site directory and a site.yaml
file:
$ mkdir my-site
$ cd my-site
$ touch site.yaml
Add the following to the site.yaml
file:
# my-easel/my-site/site.yaml
title: my-easel
favicon:
year: 2020
name: My Name
page:
width:
colors:
accent-base:
accent-light:
menu:
width:
align:
header:
label: my-easel
image:
path:
width:
height:
items:
- type: link-page
label: my-page
links-to: my-page
Every site requires a site.yaml
in the site's root directory. It's used to configure general site attributes namely the menu. Note that none of the items require a value, however all the items must be present. For example, menu:items
can be an empty list, Easel will render no menu in this case. However if menu:items
is missing a ConfigError
will be thrown.
Note that under menu:items
we have a single item with the attribute links-to
set to my-page
. This is a path relative to the pages
directory referring to the directory my-page
we will be making shortly. Note that links-to
always requires a path relative to the pages
directory.
Our Easel directory should now look like this:
my-easel
├── my-site
│ └── site.yaml
└── venv
Create a page
Create a page directory and a page.yaml
file:
$ mkdir my-page
$ cd my-page
$ touch page.yaml
Add the following to the page.yaml
file:
# my-easel/my-site/my-page/page.yaml
# Lazy Page
# Specify this page is the 'landing' page.
is-landing: true
# Page type.
type: lazy
# Lazy Page options.
options:
show-captions: true
Each page directory must contain a page.yaml
file. In the same way that site.yaml
configures the site, page.yaml
configures the page. For this page we will do the laziest thing possible, create a Lazy
page. This particular type of page auto populates its contents from the contents of its respective folder sorted alphabetically by the absolute path of each item.
Our Easel directory should now look like this:
my-easel
├── my-site
│ ├── site.yaml
│ └── pages
│ └── my-page
│ └── page.yaml
└── venv
Now make sure to add some content: images, videos etc to the my-page
directory:
my-easel
├── my-site
│ ├── site.yaml
│ └── pages
│ └── my-page
│ ├── page.yaml
│ ├── image-01.jpg
│ ├── image-02.jpg
│ ├── video.mp4
│ └── ...
└── venv
A Minimal Application
A minimal Easel application looks something like this:
from easel import Easel
easel = Easel("my-site")
if __name__ == "__main__":
easel.run()
Note that my-site
refers to the directory my-site
. We're providing a relative path here, telling Easel that our site directory is in the same directory as our application.
Now save it as run.py
in your my-easel
directory next to your my-site
directory.
Finally, our Easel directory should look like this:
my-easel
├── run.py
├── my-site
│ ├── site.yaml
│ └── pages
│ ├── my-page
│ │ ├── page.yaml
│ │ ├── image-001.jpg
│ │ ├── image-002.jpg
│ │ └── ...
│ └── ...
└── venv
To run the application simply run the script.
$ python run.py
* Running on http://127.0.0.1:5000/
So what did that code do?
- First we imported the Easel class. An instance of this class will hold our Flask application.
- Next we create an instance of this class. The first argument is the path to the directory containing your site along with its config files, pages and contents.
- Finally we place
easel.run()
in a guard statement so we can run a local development server when we directly run our script.
This launches a very simple builtin server, which is good enough for testing but probably not what you want to use in production. For deployment options see Flask Deployment Options.
Now head over to http://127.0.0.1:5000/, and you should see your beautiful work greeting.
API
Custom Types
# Import Easel's Page, Menu and Content factories.
from easel.site.pages import page_factory
from easel.site.menus import menu_factory
from easel.site.contents import content_factory
# Import your custom types.
from .custom import CustomPage, CustomMenu, CustomContent
# Register your custom types.
page_factory.register_page_type("custom-page", CustomPage)
menu_factory.register_menu_type("custom-menu", CustomMenu)
content_factory.register_content_type("custom-content", CustomContent)
Custom Assets (templates & static files)
easel = Easel(
site="my-site",
custom_assets="my-custom-assets",
)
The assets directory must follow the following structure.
my-custom-assets
│
├── templates
│ ├── page.jinja2
│ └── ...
│
└── static
├── css
├── js
├── fonts
└── images
Additionally it must contain a page.jinja2
template in the templates
directory. This is the entry-point for rendering pages. See easel.main.views.render_page
and easel.main.views.page_landing
.
Links / Resources
- Releases: https://pypi.org/project/easel/
- Flask documentation: https://github.com/pallets/flask
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