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−#!/usr/bin/env python
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−#
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−# Copyright 2007 Google Inc.
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−#
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−# Licensed under the Apache License, Version 2.0 (the "License");
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−# you may not use this file except in compliance with the License.
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−# You may obtain a copy of the License at
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−#
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−#     http://www.apache.org/licenses/LICENSE-2.0
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−#
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−# Unless required by applicable law or agreed to in writing, software
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−#
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−
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−"""Exceptions raised my mail API."""
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−
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−
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−class Error(Exception):
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−  """Base Mail error type."""
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−
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−class BadRequestError(Error):
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−  """Email is not valid."""
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−
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−class InvalidSenderError(Error):
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−  """Sender is not a permitted to send mail for this application."""
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−
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−class InvalidEmailError(Error):
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−  """Bad email set on an email field."""
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−
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−class InvalidAttachmentTypeError(Error):
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−  """Invalid file type for attachments.  We don't send viruses!"""
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−
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−class MissingRecipientsError(Error):
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−  """No recipients specified in message."""
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−
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−class MissingSenderError(Error):
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−  """No sender specified in message."""
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−
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−class MissingSubjectError(Error):
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−  """Subject not specified in message."""
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−
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−class MissingBodyError(Error):
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−  """No body specified in message."""