jinja2-humanize-extension – how to implement these into code?

Solution

app = Flask(__name__)
app.jinja_options['extensions'] = ['jinja2_humanize_extension.HumanizeExtension']

>>> app = Flask(__name__)
>>> app.jinja_options
{}

>>> app.jinja_options['extensions'] = ['jinja2_humanize_extension.HumanizeExtension']

>>> app.jinja_options
{'extensions': ['jinja2_humanize_extension.HumanizeExtension']}

>>> from flask import render_template_string
>>> with app.app_context(): 
...  print( render_template_string('''{{300000|humanize_naturalsize()}}''', asd='abc'))
... 
300.0 kB