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Reflection Journal #18: The new begining of Beymax
Beymax has put a new begining of writing Flask applications for me. It has many features that I would like to use because I built it. But I think it would be better if this can be used by students so they can observe and learn from it. I tried to keep the code as simple as possible but I can’t promise it will continue to be like this because as time goes on, there will many things need to be added resulting in complicated code base. I took a look at Flask code base, personally, I think it’s quite hard to read it because basically the developers put everthing in one file. And one file has around 4000 lines!
The command line
I presented this project to many of my friends and they absolutely love it. It has many things that Flask does not have and also it has a similar way of writing code. It took me 2 days to figure out the best method to create custom commands. Here is the result:
from .command import Command
from ..http.server import Server
class Core_command(Command):
command_prefix = 'run'
description = 'Run the server'
keys = '?port'
def construct(cls):
cls.register()
def handle(self, args):
Server.run(args.port)
To use this just simply run beymax run. By extending the class command, we can easily create any command line a lot easier. No need click, other any other libraries. Use args if you want to retrieve the input from the command line. When you run pip install beymax, the beymax keyword will be setup automatically.
Template engine (bx)
Next one is the template engine. It has similar structure to Jinja2, a Flask’s template engine. Any suspicious characters will be escaped automatically. Here is a few example:
html = """
<h1>Hello !</h1>
"""
template = Template(html, name="Jack").render()
# or
template = Template(html).render(name="Jack")
If statement:
<div> {% if condition > 1 %} <h1>Hello</h1> {% endif %}</div>
Loop:
<div> {% foreach users as user %}
<li>{{user}}</li>
{% endfor %}
<div>
Beymax also provides a way to write your own Validation Rules by extend the class as well!
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