thirdparty/google_appengine/google/appengine/api/mail.py
author Sverre Rabbelier <srabbelier@gmail.com>
Sat, 06 Dec 2008 16:52:21 +0000
changeset 686 df109be0567c
parent 297 35211afcd563
child 2273 e4cb9c53db3e
permissions -rwxr-xr-x
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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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"""Sends email on behalf of application.
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Provides functions for application developers to provide email services
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for their applications.  Also provides a few utility methods.
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"""
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from email import MIMEBase
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from email import MIMEMultipart
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from email import MIMEText
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import mimetypes
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import types
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from google.appengine.api import api_base_pb
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from google.appengine.api import apiproxy_stub_map
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from google.appengine.api import mail_service_pb
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from google.appengine.api import users
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from google.appengine.api.mail_errors import *
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from google.appengine.runtime import apiproxy_errors
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ERROR_MAP = {
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  mail_service_pb.MailServiceError.BAD_REQUEST:
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    BadRequestError,
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  mail_service_pb.MailServiceError.UNAUTHORIZED_SENDER:
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    InvalidSenderError,
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  mail_service_pb.MailServiceError.INVALID_ATTACHMENT_TYPE:
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    InvalidAttachmentTypeError,
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}
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EXTENSION_WHITELIST = set([
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  'bmp',
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  'css',
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  'csv',
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  'gif',
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  'html', 'htm',
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  'jpeg', 'jpg', 'jpe',
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  'pdf',
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  'png',
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  'rss',
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  'text', 'txt', 'asc', 'diff', 'pot',
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  'tiff', 'tif',
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  'wbmp',
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])
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def invalid_email_reason(email_address, field):
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  """Determine reason why email is invalid
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  Args:
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    email_address: Email to check.
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  Returns:
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    String indicating invalid email reason if there is one,
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    else None.
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  """
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  if email_address is None:
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    return 'None email address for %s.' % field
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  if isinstance(email_address, users.User):
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    email_address = email_address.email()
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  if not isinstance(email_address, types.StringTypes):
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    return 'Invalid email address type for %s.' % field
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  stripped_address = email_address.strip()
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  if not stripped_address:
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    return 'Empty email address for %s.' % field
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  return None
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InvalidEmailReason = invalid_email_reason
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def is_email_valid(email_address):
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  """Determine if email is invalid.
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  Args:
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    email_address: Email to check.
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  Returns:
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    True if email is valid, else False.
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  """
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  return invalid_email_reason(email_address, '') is None
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IsEmailValid = is_email_valid
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def check_email_valid(email_address, field):
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  """Check that email is valid
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  Args:
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    email_address: Email to check.
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  Raises:
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    InvalidEmailError if email_address is invalid.
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  """
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  reason = invalid_email_reason(email_address, field)
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  if reason is not None:
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    raise InvalidEmailError(reason)
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CheckEmailValid = check_email_valid
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def _email_check_and_list(emails, field):
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  """Generate a list of emails.
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  Args:
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    emails: Single email or list of emails.
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  Returns:
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    Sequence of email addresses.
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  Raises:
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    InvalidEmailError if any email addresses are invalid.
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  """
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  if isinstance(emails, types.StringTypes):
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    check_email_valid(value)
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  else:
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    for address in iter(emails):
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      check_email_valid(address, field)
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def _email_sequence(emails):
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  """Forces email to be sequenceable type.
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  Iterable values are returned as is.  This function really just wraps the case
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  where there is a single email string.
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  Args:
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    emails: Emails (or email) to coerce to sequence.
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  Returns:
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    Single tuple with email in it if only one email string provided,
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    else returns emails as is.
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  """
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  if isinstance(emails, types.StringTypes):
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    return emails,
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  return emails
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def _attachment_sequence(attachments):
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  """Forces attachments to be sequenceable type.
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  Iterable values are returned as is.  This function really just wraps the case
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  where there is a single attachment.
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  Args:
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    attachments: Attachments (or attachment) to coerce to sequence.
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  Returns:
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    Single tuple with attachment tuple in it if only one attachment provided,
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    else returns attachments as is.
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  """
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  if len(attachments) == 2 and isinstance(attachments[0], types.StringTypes):
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    return attachments,
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  return attachments
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def send_mail(sender,
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              to,
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              subject,
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              body,
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              make_sync_call=apiproxy_stub_map.MakeSyncCall,
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              **kw):
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  """Sends mail on behalf of application.
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  Args:
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    sender: Sender email address as appears in the 'from' email line.
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    to: List of 'to' addresses or a single address.
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    subject: Message subject string.
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    body: Body of type text/plain.
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    make_sync_call: Function used to make sync call to API proxy.
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    kw: Keyword arguments compatible with EmailMessage keyword based
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      constructor.
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  Raises:
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    InvalidEmailError when invalid email address provided.
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  """
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  kw['sender'] = sender
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  kw['to'] = to
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  kw['subject'] = subject
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  kw['body'] = body
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  message = EmailMessage(**kw)
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  message.send(make_sync_call)
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SendMail = send_mail
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def send_mail_to_admins(sender,
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                        subject,
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                        body,
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                        make_sync_call=apiproxy_stub_map.MakeSyncCall,
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                        **kw):
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  """Sends mail to admins on behalf of application.
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  Args:
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    sender: Sender email address as appears in the 'from' email line.
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    subject: Message subject string.
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    body: Body of type text/plain.
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    make_sync_call: Function used to make sync call to API proxy.
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    kw: Keyword arguments compatible with EmailMessage keyword based
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      constructor.
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  Raises:
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    InvalidEmailError when invalid email address provided.
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  """
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  kw['sender'] = sender
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  kw['subject'] = subject
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  kw['body'] = body
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  message = AdminEmailMessage(**kw)
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  message.send(make_sync_call)
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SendMailToAdmins = send_mail_to_admins
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def mail_message_to_mime_message(protocol_message):
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  """Generate a MIMEMultitype message from protocol buffer.
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  Generates a complete MIME multi-part email object from a MailMessage
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  protocol buffer.  The body fields are sent as individual alternatives
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  if they are both present, otherwise, only one body part is sent.
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  Multiple entry email fields such as 'To', 'Cc' and 'Bcc' are converted
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  to a list of comma separated email addresses.
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  Args:
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    message: Message PB to convert to MIMEMultitype.
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  Returns:
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    MIMEMultitype representing the provided MailMessage.
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  """
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  parts = []
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  if protocol_message.has_textbody():
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    parts.append(MIMEText.MIMEText(protocol_message.textbody()))
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  if protocol_message.has_htmlbody():
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    parts.append(MIMEText.MIMEText(protocol_message.htmlbody(),
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                                   _subtype='html'))
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  if len(parts) == 1:
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    payload = parts
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  else:
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    payload = [MIMEMultipart.MIMEMultipart('alternative', _subparts=parts)]
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  result = MIMEMultipart.MIMEMultipart(_subparts=payload)
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  for attachment in protocol_message.attachment_list():
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    mime_type, encoding = mimetypes.guess_type(attachment.filename())
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    assert mime_type is not None
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    maintype, subtype = mime_type.split('/')
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    mime_attachment = MIMEBase.MIMEBase(maintype, subtype)
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    mime_attachment.add_header('Content-Disposition',
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                               'attachment',
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                               filename=attachment.filename())
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    mime_attachment.set_charset(encoding)
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    mime_attachment.set_payload(attachment.data())
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    result.attach(mime_attachment)
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  if protocol_message.to_size():
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    result['To'] = ', '.join(protocol_message.to_list())
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  if protocol_message.cc_size():
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    result['Cc'] = ', '.join(protocol_message.cc_list())
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  if protocol_message.bcc_size():
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    result['Bcc'] = ', '.join(protocol_message.bcc_list())
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  result['From'] = protocol_message.sender()
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  result['ReplyTo'] = protocol_message.replyto()
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  result['Subject'] = protocol_message.subject()
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  return result
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MailMessageToMIMEMessage = mail_message_to_mime_message
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149
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def _to_str(value):
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  """Helper function to make sure unicode values converted to utf-8
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  Args:
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    value: str or unicode to convert to utf-8.
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  Returns:
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    UTF-8 encoded str of value, otherwise value unchanged.
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  """
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  if isinstance(value, unicode):
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    return value.encode('utf-8')
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  return value
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109
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class _EmailMessageBase(object):
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  """Base class for email API service objects.
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  Subclasses must define a class variable called _API_CALL with the name
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  of its underlying mail sending API call.
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  """
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  PROPERTIES = set([
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    'sender',
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    'reply_to',
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    'subject',
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    'body',
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    'html',
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    'attachments',
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  ])
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  def __init__(self, **kw):
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    """Initialize Email message.
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    Creates new MailMessage protocol buffer and initializes it with any
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    keyword arguments.
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    Args:
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      kw: List of keyword properties as defined by PROPERTIES.
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    """
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    self.initialize(**kw)
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  def initialize(self, **kw):
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    """Keyword initialization.
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   336
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    Used to set all fields of the email message using keyword arguments.
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   338
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    Args:
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      kw: List of keyword properties as defined by PROPERTIES.
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    """
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   342
    for name, value in kw.iteritems():
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      setattr(self, name, value)
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  def Initialize(self, **kw):
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    self.initialize(**kw)
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  def check_initialized(self):
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    """Check if EmailMessage is properly initialized.
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   350
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    Test used to determine if EmailMessage meets basic requirements
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   352
    for being used with the mail API.  This means that the following
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   353
    fields must be set or have at least one value in the case of
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   354
    multi value fields:
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   355
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      - Subject must be set.
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      - A recipient must be specified.
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      - Must contain a body.
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   359
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   360
    This check does not include determining if the sender is actually
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   361
    authorized to send email for the application.
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   362
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   363
    Raises:
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   364
      Appropriate exception for initialization failure.
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   365
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   366
        InvalidAttachmentTypeError: Use of incorrect attachment type.
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   367
        MissingRecipientsError:     No recipients specified in to, cc or bcc.
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   368
        MissingSenderError:         No sender specified.
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        MissingSubjectError:        Subject is not specified.
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   370
        MissingBodyError:           No body specified.
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   371
    """
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   372
    if not hasattr(self, 'sender'):
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   373
      raise MissingSenderError()
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   374
    if not hasattr(self, 'subject'):
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   375
      raise MissingSubjectError()
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   376
    if not hasattr(self, 'body') and not hasattr(self, 'html'):
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   377
      raise MissingBodyError()
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   378
    if hasattr(self, 'attachments'):
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   379
      for filename, data in _attachment_sequence(self.attachments):
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   380
        split_filename = filename.split('.')
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   381
        if len(split_filename) < 2:
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   382
          raise InvalidAttachmentTypeError()
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diff changeset
   383
        if split_filename[-1] not in EXTENSION_WHITELIST:
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   384
          raise InvalidAttachmentTypeError()
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diff changeset
   385
        mime_type, encoding = mimetypes.guess_type(filename)
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diff changeset
   386
        if mime_type is None:
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diff changeset
   387
          raise InvalidAttachmentTypeError()
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diff changeset
   388
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   389
  def CheckInitialized(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   390
    self.check_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   391
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   392
  def is_initialized(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   393
    """Determine if EmailMessage is properly initialized.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   394
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   395
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   396
      True if message is properly initializes, otherwise False.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   397
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   398
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   399
      self.check_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   400
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   401
    except Error:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   402
      return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   403
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   404
  def IsInitialized(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   405
    return self.is_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   406
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   407
  def ToProto(self):
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   408
    """Convert mail message to protocol message.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   409
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   410
    Unicode strings are converted to UTF-8 for all fields.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   411
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   412
    This method is overriden by EmailMessage to support the sender fields.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   413
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   414
    Returns:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   415
      MailMessage protocol version of mail message.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   416
    """
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   417
    self.check_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   418
    message = mail_service_pb.MailMessage()
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   419
    message.set_sender(_to_str(self.sender))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   420
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   421
    if hasattr(self, 'reply_to'):
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   422
      message.set_replyto(_to_str(self.reply_to))
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   423
    message.set_subject(_to_str(self.subject))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   424
    if hasattr(self, 'body'):
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   425
      message.set_textbody(_to_str(self.body))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   426
    if hasattr(self, 'html'):
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   427
      message.set_htmlbody(_to_str(self.html))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   428
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   429
    if hasattr(self, 'attachments'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   430
      for file_name, data in _attachment_sequence(self.attachments):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   431
        attachment = message.add_attachment()
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   432
        attachment.set_filename(_to_str(file_name))
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   433
        attachment.set_data(_to_str(data))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   434
    return message
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   435
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   436
  def to_mime_message(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   437
    """Generate a MIMEMultitype message from EmailMessage.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   438
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   439
    Calls MailMessageToMessage after converting self to protocol
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   440
    buffer.  Protocol buffer is better at handing corner cases
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   441
    than EmailMessage class.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   442
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   443
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   444
      MIMEMultitype representing the provided MailMessage.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   445
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   446
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   447
      Appropriate exception for initialization failure.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   448
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   449
      InvalidAttachmentTypeError: Use of incorrect attachment type.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   450
      MissingSenderError:         No sender specified.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   451
      MissingSubjectError:        Subject is not specified.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   452
      MissingBodyError:           No body specified.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   453
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   454
    return mail_message_to_mime_message(self.ToProto())
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   455
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   456
  def ToMIMEMessage(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   457
    return self.to_mime_message()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   458
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   459
  def send(self, make_sync_call=apiproxy_stub_map.MakeSyncCall):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   460
    """Send email message.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   461
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   462
    Send properly initialized email message via email API.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   463
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   464
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   465
      make_sync_call: Method which will make synchronous call to api proxy.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   466
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   467
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   468
      Errors defined in this file above.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   469
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   470
    message = self.ToProto()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   471
    response = api_base_pb.VoidProto()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   472
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   473
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   474
      make_sync_call('mail', self._API_CALL, message, response)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   475
    except apiproxy_errors.ApplicationError, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   476
      if e.application_error in ERROR_MAP:
297
35211afcd563 Load /Users/solydzajs/Downloads/google_appengine/ into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents: 149
diff changeset
   477
        raise ERROR_MAP[e.application_error](e.error_detail)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   478
      raise e
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   479
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   480
  def Send(self, *args, **kwds):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   481
    self.send(*args, **kwds)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   482
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   483
  def _check_attachment(self, attachment):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   484
    file_name, data = attachment
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   485
    if not (isinstance(file_name, types.StringTypes) or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   486
            isinstance(data, types.StringTypes)):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   487
      raise TypeError()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   488
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   489
  def _check_attachments(self, attachments):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   490
    """Checks values going to attachment field.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   491
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   492
    Mainly used to check type safety of the values.  Each value of the list
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   493
    must be a pair of the form (file_name, data), and both values a string
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   494
    type.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   495
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   496
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   497
      attachments: Collection of attachment tuples.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   498
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   499
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   500
      TypeError if values are not string type.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   501
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   502
    if len(attachments) == 2 and isinstance(attachments[0], types.StringTypes):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   503
      self._check_attachment(attachments)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   504
    else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   505
      for attachment in attachments:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   506
        self._check_attachment(attachment)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   507
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   508
  def __setattr__(self, attr, value):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   509
    """Property setting access control.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   510
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   511
    Controls write access to email fields.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   512
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   513
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   514
      attr: Attribute to access.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   515
      value: New value for field.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   516
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   517
    if attr in ['sender', 'reply_to']:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   518
      check_email_valid(value, attr)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   519
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   520
    if not value:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   521
      raise ValueError('May not set empty value for \'%s\'' % attr)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   522
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   523
    if attr not in self.PROPERTIES:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   524
      raise AttributeError('\'EmailMessage\' has no attribute \'%s\'' % attr)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   525
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   526
    if attr == 'attachments':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   527
      self._check_attachments(value)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   528
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   529
    super(_EmailMessageBase, self).__setattr__(attr, value)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   530
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   531
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   532
class EmailMessage(_EmailMessageBase):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   533
  """Main interface to email API service.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   534
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   535
  This class is used to programmatically build an email message to send via
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   536
  the Mail API.  The usage is to construct an instance, populate its fields
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   537
  and call Send().
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   538
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   539
  Example Usage:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   540
    An EmailMessage can be built completely by the constructor.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   541
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   542
      EmailMessage(sender='sender@nowhere.com',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   543
                   to='recipient@nowhere.com',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   544
                   subject='a subject',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   545
                   body='This is an email to you').Send()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   546
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   547
    It might be desirable for an application to build an email in different
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   548
    places throughout the code.  For this, EmailMessage is mutable.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   549
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   550
      message = EmailMessage()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   551
      message.sender = 'sender@nowhere.com'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   552
      message.to = ['recipient1@nowhere.com', 'recipient2@nowhere.com']
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   553
      message.subject = 'a subject'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   554
      message.body = 'This is an email to you')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   555
      message.check_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   556
      message.send()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   557
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   558
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   559
  _API_CALL = 'Send'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   560
  PROPERTIES = _EmailMessageBase.PROPERTIES
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   561
  PROPERTIES.update(('to', 'cc', 'bcc'))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   562
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   563
  def check_initialized(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   564
    """Provide additional checks to ensure recipients have been specified.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   565
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   566
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   567
      MissingRecipientError when no recipients specified in to, cc or bcc.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   568
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   569
    if (not hasattr(self, 'to') and
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   570
        not hasattr(self, 'cc') and
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   571
        not hasattr(self, 'bcc')):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   572
      raise MissingRecipientsError()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   573
    super(EmailMessage, self).check_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   574
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   575
  def CheckInitialized(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   576
    self.check_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   577
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   578
  def ToProto(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   579
    """Does addition conversion of recipient fields to protocol buffer.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   580
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   581
    Returns:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   582
      MailMessage protocol version of mail message including sender fields.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   583
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   584
    message = super(EmailMessage, self).ToProto()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   585
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   586
    for attribute, adder in (('to', message.add_to),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   587
                             ('cc', message.add_cc),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   588
                             ('bcc', message.add_bcc)):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   589
      if hasattr(self, attribute):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   590
        for address in _email_sequence(getattr(self, attribute)):
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
   591
          adder(_to_str(address))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   592
    return message
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   593
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   594
  def __setattr__(self, attr, value):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   595
    """Provides additional checks on recipient fields."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   596
    if attr in ['to', 'cc', 'bcc']:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   597
      if isinstance(value, types.StringTypes):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   598
        check_email_valid(value, attr)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   599
      else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   600
        _email_check_and_list(value, attr)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   601
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   602
    super(EmailMessage, self).__setattr__(attr, value)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   603
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   604
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   605
class AdminEmailMessage(_EmailMessageBase):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   606
  """Interface to sending email messages to all admins via the amil API.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   607
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   608
  This class is used to programmatically build an admin email message to send
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   609
  via the Mail API.  The usage is to construct an instance, populate its fields
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   610
  and call Send().
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   611
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   612
  Unlike the normal email message, addresses in the recipient fields are
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   613
  ignored and not used for sending.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   614
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   615
  Example Usage:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   616
    An AdminEmailMessage can be built completely by the constructor.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   617
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   618
      AdminEmailMessage(sender='sender@nowhere.com',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   619
                        subject='a subject',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   620
                        body='This is an email to you').Send()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   621
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   622
    It might be desirable for an application to build an admin email in
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   623
    different places throughout the code.  For this, AdminEmailMessage is
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   624
    mutable.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   625
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   626
      message = AdminEmailMessage()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   627
      message.sender = 'sender@nowhere.com'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   628
      message.subject = 'a subject'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   629
      message.body = 'This is an email to you')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   630
      message.check_initialized()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   631
      message.send()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   632
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   633
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   634
  _API_CALL = 'SendToAdmins'