def send_via_msgraphapi()

in output/mail.py [0:0]
51 lines of code
9 McCabe index (conditional complexity)

    def send_via_msgraphapi(self, transport, mail, embedded_images, config):
        if 'client_id' not in transport:
            raise NotConfiguredException(
                'No client_id for MS Graph API configured!')
        if 'client_secret' not in transport:
            raise NotConfiguredException(
                'No client_secret for MS Graph API configured!')
        if 'tenant_id' not in transport:
            raise NotConfiguredException(
                'No tenant_id for MS Graph API configured!')

        token = self._fetch_ms_access_token(transport['client_id'],
                                            transport['client_secret'],
                                            transport['tenant_id'])
        url = 'https://graph.microsoft.com/v1.0/users/%s/sendMail' % urllib.parse.quote_plus(
            mail['mail_from'])
        recipients = []
        for addr in mail['mail_to'].split(','):
            recipient = {"emailAddress": {"address": addr.strip()}}
            recipients.append(recipient)

        content = mail['text_body']
        contentType = 'text'
        if 'html_body' in mail and mail['html_body'] != '':
            content = mail['html_body']
            contentType = 'html'

        message = {
            'message': {
                'subject': mail['mail_subject'],
                'body': {
                    'contentType': contentType,
                    'content': content
                },
                'toRecipients': recipients
            }
        }
        headers = {
            'User-agent': self._get_user_agent(),
            'Content-type': 'application/json',
            'Authorization': 'Bearer %s' % token
        }
        messageJSON = json.dumps(message, default=lambda o: o.__dict__)
        messageJSON = messageJSON.replace('\\\\n', '\\n')
        self.logger.debug('Sending email through MS Graph API.')
        response = requests.post(url, headers=headers, data=messageJSON)
        if response.status_code >= 200 and response.status_code <= 299:
            return True
        self.logger.error('Failed to send via MS Graph API.',
                          extra={
                              'status_code': response.status_code,
                              'response': response.text
                          })
        return False