muffin-jinja2 0.5.0

Support Jinja2 templates for Muffin Framework

Muffin-Jinja2 – Support Jinja2 templates for Muffin Framework

Contents

• Requirements

• Installation

• Usage

  • Options

  • Tunning

• Bug tracker

• Contributing

• Contributors

• License

Requirements

• python >= 3.8

Installation

Muffin-Jinja2 should be installed using pip:

pip install muffin-jinja2

Usage

from muffin import Application
from muffin_jinja2 import Plugin as Jinja2

# Create Muffin Application
app = Application('example')

# Initialize the plugin
# As alternative: jinja2 = Jinja2(app, **options)
jinja2 = Jinja2()
jinja2.init(app, template_folders=['src/templates'])

# Use it inside your handlers
@app.route('/')
async def index(request):
    context = {'var': 42}
    return await jinja2.render('index.html', **context)

Options

Format: Name – Description (default value)

auto_reload – Auto reload changed templates (False)

cache_size – Cache templates (50)

extensions – Enable Jinja2 Extensions (None)

loader – Template loader (FileSystemLoader)

encoding – Default encoding for file loader (utf-8)

template_folders – List of template folders ([‘templates’])

You are able to provide the options when you are initiliazing the plugin:

jinja2.init(app, template_folders=['src/templates'], auto_reload=True)

Or setup it inside Muffin.Application config using the jinja2_ prefix:

JINJA2_AUTO_RELOAD = True

JINJA2_TEMPLATE_FOLDERS = ['tmpls']

Muffin.Application configuration options are case insensetive

Tunning

# Register custom context processor
# could be a function/coroutine
@jinja2.context_processor
def custom_context():
    return { 'VAR': 'VALUE' }

# Register a function into global context
@jinja2.register
def sum(a, b):
    return a + b

# Register a function with a different name
@jinja2.register('div')
def mod(a, b):
    return a // b

# Register a filter
@jinja2.filter
def test(value, a, b=None):
    return a if value else b

# Register a filter with a different name
@jinja2.filter('bool')
def boolean(value):
    return bool(value)

@app.route('/')
async def index(request):
    """ Check for user is admin. """
    local_context = {'key': 'value'}
    return await jinja2.render('index.html', **local_context)

Bug tracker

If you have any suggestions, bug reports or annoyances please report them to the issue tracker at https://github.com/klen/muffin-jinja2/issues

Contributing

Development of Muffin-Jinja2 happens at: https://github.com/klen/muffin-jinja2

Contributors

• klen (Kirill Klenov)

License

Licensed under a MIT license.