Change directory structure (move ./nopaque/* to ./)

app/email.py

@@ -0,0 +1,18 @@
+from flask import current_app, render_template
+from flask_mail import Message
+from . import mail
+from .decorators import background
+
+
+def create_message(recipient, subject, template, **kwargs):
+    msg = Message('{} {}'.format(current_app.config['NOPAQUE_MAIL_SUBJECT_PREFIX'], subject), recipients=[recipient])  # noqa
+    msg.body = render_template('{}.txt.j2'.format(template), **kwargs)
+    msg.html = render_template('{}.html.j2'.format(template), **kwargs)
+    return msg
+
+
+@background
+def send(msg, *args, **kwargs):
+    app = kwargs['app']
+    with app.app_context():
+        mail.send(msg)