TandoorRecipes/cookbook/helper/template_helper.py
2021-01-10 13:57:51 +01:00

60 lines
1.6 KiB
Python

import bleach
import markdown as md
from bleach_whitelist import markdown_attrs, markdown_tags
from cookbook.helper.mdx_attributes import MarkdownFormatExtension
from cookbook.helper.mdx_urlize import UrlizeExtension
from jinja2 import Template, TemplateSyntaxError
class IngredientObject(object):
amount = ""
unit = ""
food = ""
note = ""
def __init__(self, ingredient):
if ingredient.no_amount:
self.amount = ""
else:
self.amount = f'[[calculateAmount({ingredient.amount})]]'
if ingredient.unit:
self.unit = ingredient.unit
else:
self.unit = ""
self.food = ingredient.food
self.note = ingredient.note
def __str__(self):
ingredient = self.amount
if self.unit != "":
ingredient += f' {self.unit}'
return f'{ingredient} {self.food}'
def render_instructions(step): # TODO deduplicate markdown cleanup code
ingredients = []
for i in step.ingredients.all():
ingredients.append(IngredientObject(i))
try:
template = Template(step.instruction)
instructions = template.render(ingredients=ingredients)
except TemplateSyntaxError:
instructions = step.instruction
tags = markdown_tags + [
'pre', 'table', 'td', 'tr', 'th', 'tbody', 'style', 'thead'
]
parsed_md = md.markdown(
instructions,
extensions=[
'markdown.extensions.fenced_code', 'tables',
UrlizeExtension(), MarkdownFormatExtension()
]
)
markdown_attrs['*'] = markdown_attrs['*'] + ['class']
return bleach.clean(parsed_md, tags, markdown_attrs)