"""The SendGrid API Client.

def __init__(

self,

apikey=None,

api_key=None,

impersonate_subuser=None,

host='https://api.sendgrid.com',

**opts): # TODO: remove **opts for 6.x release

"""

from . import __version__

if opts:

warnings.warn(

'Unsupported argument(s) provided: {}'.format(list(opts.keys())),

DeprecationWarning)

self.apikey = apikey or api_key or os.environ.get('SENDGRID_API_KEY')

self.impersonate_subuser = impersonate_subuser

self.host = host

self.useragent = 'sendgrid/{};python'.format(__version__)

self.version = __version__

self.client = python_http_client.Client(host=self.host,

request_headers=self._default_headers,

version=3)

@property

def _default_headers(self):

headers = {

"Authorization": 'Bearer {}'.format(self.apikey),

"User-agent": self.useragent,

"Accept": 'application/json'

}

if self.impersonate_subuser:

headers['On-Behalf-Of'] = self.impersonate_subuser

return headers

def reset_request_headers(self):

self.client.request_headers = self._default_headers

@property

def api_key(self):

"""

return self.apikey

@api_key.setter

def api_key(self, value):

self.apikey = value

def send(self, message):

response = self.client.mail.send.post(request_body=message.get())