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Support Jinja2 templates for Muffin Framework

Project description

Muffin-Jinja2 – Support Jinja2 templates for Muffin Framework

Tests Status PYPI Version

Requirements

  • python >= 3.7

Installation

Muffin-Jinja2 should be installed using pip:

pip install muffin-jinja2

Usage

import muffin
import muffin_jinja2

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

# Initialize the plugin
# As alternative: jinja2 = Jinja2(app, **options)
jinja2 = muffin_jinja2.Plugin()
jinja2.setup(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

Name Default value Description
auto_reload False Auto reload changed templates
cache_size 50 Cache templates
extensions None Enable Jinja2 Extensions (None | list)
loader FileSystemLoader Template loader
encoding utf-8 Default encoding for file loader
template_folders ['templates'] List of template folders

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 for example:

JINJA2_AUTO_RELOAD = True

JINJA2_TEMPLATE_FOLDERS = ['tmpls']

Muffin.Application configuration options are case insensitive

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.

Project details


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