old_contents: # Copyright 2019 Google LLC
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """Helpers for sending mail."""
  from builtins import str
  from sendgrid import SendGridAPIClient
  from sendgrid.helpers.mail import Mail
  
  from config import db_config
  from metrics import logs
  
  
  def send(to_email, subject, html_content):
    """Send email."""
    sendgrid_api_key = db_config.get_value('sendgrid_api_key')
    if not sendgrid_api_key:
      logs.log_warn('Skipping email as SendGrid API key is not set in config.')
      return
  
    from_email = db_config.get_value('sendgrid_sender')
    if not from_email:
      logs.log_warn('Skipping email as SendGrid sender is not set in config.')
      return
  
    message = Mail(
        from_email=str(from_email),
        to_emails=str(to_email),
        subject=subject,
        html_content=str(html_content))
    try:
      sg = SendGridAPIClient(sendgrid_api_key)
      response = sg.send(message)
      logs.log(
          'Sent email to %s.' % to_email,
          status_code=response.status_code,
          body=response.body,
          headers=response.headers)
    except Exception:
      logs.log_error('Failed to send email to %s.' % to_email)
  
new_contents: # Copyright 2019 Google LLC
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """Helpers for sending mail."""
  from builtins import str
  from sendgrid import SendGridAPIClient
  from sendgrid.helpers.mail import From
  from sendgrid.helpers.mail import HtmlContent
  from sendgrid.helpers.mail import Mail
  from sendgrid.helpers.mail import To
  
  from config import db_config
  from metrics import logs
  
  
  def send(to_email, subject, html_content):
    """Send email."""
    sendgrid_api_key = db_config.get_value('sendgrid_api_key')
    if not sendgrid_api_key:
      logs.log_warn('Skipping email as SendGrid API key is not set in config.')
      return
  
    from_email = db_config.get_value('sendgrid_sender')
    if not from_email:
      logs.log_warn('Skipping email as SendGrid sender is not set in config.')
      return
  
    message = Mail(
        from_email=From(str(from_email)),
        to_emails=To(str(to_email)),
        subject=subject,
        html_content=HtmlContent(str(html_content)))
    try:
      sg = SendGridAPIClient(sendgrid_api_key)
      response = sg.send(message)
      logs.log(
          'Sent email to %s.' % to_email,
          status_code=response.status_code,
          body=response.body,
          headers=response.headers)
    except Exception:
      logs.log_error('Failed to send email to %s.' % to_email)
  
subject: Use correct sendgrid types when sending email. (#1028)