Source code for fusionbox.mail.mail


import re
import os.path

import yaml
import markdown

from django.template.loader import get_template
from django.template import Context
from django.contrib.sites.models import Site
from django.core.mail import EmailMultiAlternatives
from django.utils.safestring import mark_safe

from django.conf import settings

except AttributeError:

# Where should attachment locations be relative to?
# Allows you to say::
#       attachments: ['foo.pdf']
# In your email template.
        os.path.join(settings.PROJECT_PATH, '../attachments/'))

[docs]def create_markdown_mail(template, context, to=None, subject=None, from_address=settings.SERVER_EMAIL, layout=EMAIL_LAYOUT): """ Creates a message from a markdown template and returns it as an ``EmailMultiAlternatives`` object. """ if layout is None: raise ValueError('layout was not defined by settings.EMAIL_LAYOUT and none was provided') meta, raw, html = render_template(template, context, layout) # this lets the template override the caller subject = meta.get('subject', subject) if not subject: raise Exception("Template didn't give a subject and neither did you") to = meta.get('to', to) if not to: raise Exception("Template didn't give a to and neither did you") if isinstance(to, basestring): to = (to,) from_address = meta.get('from', from_address) msg = EmailMultiAlternatives(subject, raw, from_address, to) for attachment in meta.get('attachments', []): if isinstance(attachment, basestring): # filename msg.attach_file(os.path.join(EMAIL_ATTACHMENT_ROOT, attachment)) else: msg.attach(*attachment) msg.attach_alternative(html, 'text/html') return msg
[docs]def send_markdown_mail(*args, **kwargs): """ Wrapper around :func:`create_markdown_mail` that creates and sends the message in one step. """ msg = create_markdown_mail(*args, **kwargs) return msg.send()
[docs]def render_template(template, context, layout): """ With a markdown template, a context to render it in, and a layout to generate html from it, a 3-tuple of (metadata, markdown content, html content) is returned. """ t = get_template(template) if not isinstance(context, Context): context = Context(context) if 'site' not in context and 'django.contrib.sites' in settings.INSTALLED_APPS: context['site'] = Site.objects.get_current() raw = t.render(context) meta, md = extract_frontmatter(raw) context.push() context['content'] = mark_safe(markdown.markdown(md, ['extra'])) t = get_template(layout) html = t.render(context) context.pop() return (meta, md, html)
front_matter_re = re.compile('(\s*\n)?^---\n(.*)\n---$\n*', re.MULTILINE | re.DOTALL)
[docs]def extract_frontmatter(str): r""" Given a string with YAML style front matter, returns the parsed header and the rest of the string in a 2-tuple. >>> extract_frontmatter('---\nfoo: bar\n---\nbody content\n') ({'foo': 'bar'}, 'body content\n') """ matches = front_matter_re.match(str) if matches: meta = yaml.load( else: meta = {} return (meta, front_matter_re.sub('', str))