Added task ready notification emails, minor fixes in the send_email utility.

from django.utils import timezone

from django.contrib.auth import authenticate, login, logout

from django.contrib.auth.models import User, Group

from django.conf import settings

from rest_framework.response import Response

from rest_framework import status, serializers, viewsets

from rest_framework.views import APIView

from .utils import format_exception

from .utils import format_exception, send_email

from .models import Profile, Task, TaskStatuses

# Setup logging

                task.ip     = task_ip

                task.port   = int(task_port)

                task.save()

                # Notify the user that the task called back home

                logger.info('Sending task ready mail notification to "{}"'.format(task.user.email))

                mail_subject = 'Your Task "{}" is up and running'.format(task.container.name)

                mail_text = 'Hello,\n\nyour Task "{}" on {} is up and running: {}/tasks/?uuid={}\n\nThe Rosetta notifications bot.'.format(task.container.name, task.computing, settings.DJANGO_PUBLIC_HTTP_HOST, task.uuid)

                try:

                    send_email(to=task.user.email, subject=mail_subject, text=mail_text)

                except Exception as e:

                    logger.error('Cannot send task ready email: "{}"'.format(e))

                return HttpResponse('OK')

        subject = subject

        content = Content('text/plain', text)

        mail = Mail(from_email, subject, to_email, content)

        try:

            response = sg.client.mail.send.post(request_body=mail.get())

        logger.debug(response)

            #logger.debug(response.status_code)

            #logger.debug(response.body)

            #logger.debug(response.headers)

        except Exception as e:

            logger.error(e)

        #logger.debug(response)

def format_exception(e, debug=False):