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#!/usr/bin/env python
import argparse
import asyncore
import smtpd
import time
import os


SMTPD_MAIN_CLASSES = [
    smtpd.DebuggingServer.__name__,

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import urlparse
import httplib
from copy import copy
try:
    from cStringIO import StringIO
except:
    from StringIO import StringIO
from django import forms
from django.core.files import File
from django.core.files.temp import NamedTemporaryFile

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import sys
from copy import copy

_map = {':': u'\u0416', "'": u'\u044d', '"': u'\u042d', '{': u'\u0425', '[': u'\u0445', '.': u'\u044e', ']': u'\u044a', ',': u'\u0431', '^': ',', 'a': u'\u0444', '&': '.', 'c': u'\u0441', 'b': u'\u0438', 'e': u'\u0443', 'd': u'\u0432', 'g': u'\u043f', 'f': u'\u0430', 'i': u'\u0448', 'h': u'\u0440', 'k': u'\u043b', 'j': u'\u043e', 'm': '\xd1\x8c', 'l': u'\u0434', 'o': u'\u0449', 'n': u'\u0442', 'q': u'\u0439', 'p': u'\u0437', 's': u'\u044b', 'r': u'\u043a', 'u': u'\u0433', 't': u'\u0435', 'w': u'\u0446', 'v': u'\u043c', 'y': u'\u043d', 'x': u'\u0447', ';': u'\u0436', 'z': u'\u044f', '}': u'\u042a', '<': u'\u0411', '>': u'\u042e'}

letters_map = copy(_map)
letters_map.update(dict([(k.upper(), v.upper()) for k, v in _map.iteritems() if k.upper() != k and not k in letters_map]))
letters_map.update(dict([(k, v) for v, k in _map.iteritems() if not k in letters_map]))
letters_map.update(dict([(k.upper(), v.upper()) for v, k in _map.iteritems() if k.upper() != k and not k in letters_

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from datetime import datetime, date, timedelta


class date_range(object):

    def __init__(self, since, until, step=timedelta(days=1)):
        assert isinstance(since, (datetime, date))
        assert isinstance(until, (datetime, date))
        assert isinstance(step, timedelta)

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@celery_app.task(bind=True, default_retry_delay=10 * 60)
def send_mail_task(self, recipients, subject, template, context):
    message = render_template(f'{template}.txt', context)
    html_message = render_template(f'{template}.html', context)
    try:
        send_mail(
            subject=subject,
            message=message,
            from_email=settings.DEFAULT_FROM_EMAIL,
            recipient_list=recipients,

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def view(request):
    find_job = find_best_service_provider_for_user.delay(request.user.pk)

    # do other stuff

    calculations_results = find_job.get().join()

    # process calculations_results and send response

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from datetime import datetime


send_mail_task.apply_async(
    (('noreply@example.com', ), 'Celery cookbook test', 'test', {}),
    countdown=15 * 60
)

send_mail_task.apply_async(
    (('noreply@example.com', ), 'Celery cookbook test', 'test', {}),

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send_mail_task.delay(('noreply@example.com', ), 'Celery cookbook test', 'test', {})

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CELERY_TASK_ROUTES = {
    'myproject.apps.mail.tasks.send_mail_task': {'queue': 'mail', },
}

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celery -A myproject worker -l info -Q celery
celery -A myproject worker -l info -Q mail