f040b491d4
Allow using img tag in markdown and additionally allowing to specify width and height attribute for elements.
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
from gettext import gettext as _
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import bleach
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import markdown as md
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from bleach_allowlist import markdown_attrs, markdown_tags
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from jinja2 import Template, TemplateSyntaxError, UndefinedError
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from markdown.extensions.tables import TableExtension
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from cookbook.helper.mdx_attributes import MarkdownFormatExtension
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from cookbook.helper.mdx_urlize import UrlizeExtension
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class IngredientObject(object):
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amount = ""
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unit = ""
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food = ""
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note = ""
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def __init__(self, ingredient):
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if ingredient.no_amount:
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self.amount = ""
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else:
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self.amount = f"<scalable-number v-bind:number='{bleach.clean(str(ingredient.amount))}' v-bind:factor='ingredient_factor'></scalable-number>"
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if ingredient.unit:
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self.unit = bleach.clean(str(ingredient.unit))
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else:
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self.unit = ""
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self.food = bleach.clean(str(ingredient.food))
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self.note = bleach.clean(str(ingredient.note))
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def __str__(self):
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ingredient = self.amount
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if self.unit != "":
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ingredient += f' {self.unit}'
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return f'{ingredient} {self.food}'
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def render_instructions(step): # TODO deduplicate markdown cleanup code
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instructions = step.instruction
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tags = markdown_tags + [
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'pre', 'table', 'td', 'tr', 'th', 'tbody', 'style', 'thead', 'img'
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]
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parsed_md = md.markdown(
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instructions,
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extensions=[
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'markdown.extensions.fenced_code', TableExtension(),
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UrlizeExtension(), MarkdownFormatExtension()
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]
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)
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markdown_attrs['*'] = markdown_attrs['*'] + ['class', 'width', 'height']
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instructions = bleach.clean(parsed_md, tags, markdown_attrs)
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ingredients = []
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for i in step.ingredients.all():
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ingredients.append(IngredientObject(i))
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try:
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template = Template(instructions)
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instructions = template.render(ingredients=ingredients)
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except TemplateSyntaxError:
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return _('Could not parse template code.') + ' Error: Template Syntax broken'
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except UndefinedError:
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return _('Could not parse template code.') + ' Error: Undefined Error'
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return instructions
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