## Send a Single Email to a Single Recipient
import os
import json
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail, From, To, Subject, PlainTextContent, HtmlContent, SendGridException

message = Mail(from_email=From('help@twilio.com', 'Twilio SendGrid'),
               to_emails=To('ethomas@twilio.com', 'Elmer Thomas'),
               subject=Subject('Sending with SendGrid is Fun'),
               plain_text_content=PlainTextContent('and easy to do anywhere, even with Python'),
               html_content=HtmlContent('<strong>and easy to do anywhere, even with Python</strong>'))

try:
    print(json.dumps(message.get(), sort_keys=True, indent=4))
    sendgrid_client = SendGridAPIClient(api_key=os.environ.get('SENDGRID_API_KEY'))
    response = sendgrid_client.send(message=message)
    print(response.status_code)
    print(response.body)
    print(response.headers)
except SendGridException as e:
    print(e.message)

# Send a Single Email to Multiple Recipients
import os
import json
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail, From, To, Subject, PlainTextContent, HtmlContent, SendGridException

to_emails = [
    To('ethomas@twilio.com', 'Elmer SendGrid'),
    To('elmer.thomas@gmail.com', 'Elmer Thomas')
]
message = Mail(from_email=From('help@twilio.com', 'Twilio SendGrid'),
               to_emails=to_emails,
               subject=Subject('Sending with SendGrid is Fun'),
               plain_text_content=PlainTextContent('and easy to do anywhere, even with Python'),
               html_content=HtmlContent('<strong>and easy to do anywhere, even with Python</strong>'))

try:
    print(json.dumps(message.get(), sort_keys=True, indent=4))
    sendgrid_client = SendGridAPIClient(api_key=os.environ.get('SENDGRID_API_KEY'))
    response = sendgrid_client.send(message=message)
    print(response.status_code)
    print(response.body)
    print(response.headers)
except SendGridException as e:
    print(e.message)

# Send Multiple Emails to Multiple Recipients

import os
import json
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail, From, To, Subject, PlainTextContent, HtmlContent, SendGridException, Substitution
import time
import datetime

to_emails = [
    To(email='ethomas@twilio.com',
       name='Elmer Twilio',
       substitutions={
           Substitution('-name-', 'Elmer Twilio'),
           Substitution('-github-', 'http://github.com/ethomas'),
       },
       subject=Subject('Override Global Subject')),
    To(email='elmer.thomas@gmail.com',
       name='Elmer Thomas',
       substitutions={
           Substitution('-name-', 'Elmer Thomas'),
           Substitution('-github-', 'http://github.com/thinkingserious'),
       })
]
ts = time.time()
global_substitutions = Substitution('-time-', datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d %H:%M:%S'))
message = Mail(from_email=From('help@twilio.com', 'Twilio SendGrid'),
               to_emails=to_emails,
               subject=Subject('Hi -name-'),
               plain_text_content=PlainTextContent('Hello -name-, your github is -github-, email sent at -time-'),
               html_content=HtmlContent('<strong>Hello -name-, your github is <a href=\"-github-\">here</a></strong> email sent at -time-'),
               global_substitutions=global_substitutions,
               is_multiple=True)

try:
    print(json.dumps(message.get(), sort_keys=True, indent=4))
    sendgrid_client = SendGridAPIClient(api_key=os.environ.get('SENDGRID_API_KEY'))
    response = sendgrid_client.send(message=message)
    print(response.status_code)
    print(response.body)
    print(response.headers)
except SendGridException as e:
    print(e.message)

# Kitchen Sink - an example with all settings used

import os
import json
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import (
    Mail, From, To, Cc, Bcc, Subject, PlainTextContent,
    HtmlContent, SendGridException, Substitution,
    Header, CustomArg, SendAt, Content, MimeType, Attachment,
    FileName, FileContent, FileType, Disposition, ContentId,
    TemplateId, Section, ReplyTo, Category, BatchId, Asm,
    GroupId, GroupsToDisplay, IpPoolName, MailSettings,
    BccSettings, BccSettingsEmail, BypassListManagement,
    FooterSettings, FooterText, FooterHtml, SandBoxMode,
    SpamCheck, SpamThreshold, SpamUrl, TrackingSettings,
    ClickTracking, SubscriptionTracking, SubscriptionText,
    SubscriptionHtml, SubscriptionSubstitutionTag,
    OpenTracking, OpenTrackingSubstitutionTag, Ganalytics,
    UtmSource, UtmMedium, UtmTerm, UtmContent, UtmCampaign)
import time
import datetime

message = Mail()

# Define Personalizations

message.to = To('elmer+test1@sendgrid.com', 'Example User1', p=0)
message.to = [
    To('elmer+test2@sendgrid.com', 'Example User2', p=0),
    To('elmer+test3@sendgrid.com', 'Example User3', p=0)
]

message.cc = Cc('test4@example.com', 'Example User4', p=0)
message.cc = [
    Cc('test5@example.com', 'Example User5', p=0),
    Cc('test6@example.com', 'Example User6', p=0)
]

message.bcc = Bcc('test7@example.com', 'Example User7', p=0)
message.bcc = [
    Bcc('test8@example.com', 'Example User8', p=0),
    Bcc('test9@example.com', 'Example User9', p=0)
]

message.subject = Subject('Sending with SendGrid is Fun 0', p=0)

message.header = Header('X-Test1', 'Test1', p=0)
message.header = Header('X-Test2', 'Test2', p=0)
message.header = [
    Header('X-Test3', 'Test3', p=0),
    Header('X-Test4', 'Test4', p=0)
]

message.substitution = Substitution('%name1%', 'Example Name 1', p=0)
message.substitution = Substitution('%city1%', 'Example City 1', p=0)
message.substitution = [
    Substitution('%name2%', 'Example Name 2', p=0),
    Substitution('%city2%', 'Example City 2', p=0)
]

message.custom_arg = CustomArg('marketing1', 'true', p=0)
message.custom_arg = CustomArg('transactional1', 'false', p=0)
message.custom_arg = [
    CustomArg('marketing2', 'false', p=0),
    CustomArg('transactional2', 'true', p=0)
]

message.send_at = SendAt(1461775051, p=0)

message.to = To('test10@example.com', 'Example User10', p=1)
message.to = [
    To('test11@example.com', 'Example User11', p=1),
    To('test12@example.com', 'Example User12', p=1)
]

message.cc = Cc('test13@example.com', 'Example User13', p=1)
message.cc = [
    Cc('test14@example.com', 'Example User14', p=1),
    Cc('test15@example.com', 'Example User15', p=1)
]

message.bcc = Bcc('test16@example.com', 'Example User16', p=1)
message.bcc = [
    Bcc('test17@example.com', 'Example User17', p=1),
    Bcc('test18@example.com', 'Example User18', p=1)
]

message.header = Header('X-Test5', 'Test5', p=1)
message.header = Header('X-Test6', 'Test6', p=1)
message.header = [
    Header('X-Test7', 'Test7', p=1),
    Header('X-Test8', 'Test8', p=1)
]

message.substitution = Substitution('%name3%', 'Example Name 3', p=1)
message.substitution = Substitution('%city3%', 'Example City 3', p=1)
message.substitution = [
    Substitution('%name4%', 'Example Name 4', p=1),
    Substitution('%city4%', 'Example City 4', p=1)
]

message.custom_arg = CustomArg('marketing3', 'true', p=1)
message.custom_arg = CustomArg('transactional3', 'false', p=1)
message.custom_arg = [
    CustomArg('marketing4', 'false', p=1),
    CustomArg('transactional4', 'true', p=1)
]

message.send_at = SendAt(1461775052, p=1)

message.subject = Subject('Sending with SendGrid is Fun 1', p=1)

# The values below this comment are global to entire message

message.from_email = From('help@twilio.com', 'Twilio SendGrid')

message.reply_to = ReplyTo('help_reply@twilio.com', 'Twilio SendGrid Reply')

message.subject = Subject('Sending with SendGrid is Fun 2')

message.content = Content(MimeType.text, 'and easy to do anywhere, even with Python')
message.content = Content(MimeType.html, '<strong>and easy to do anywhere, even with Python</strong>')
message.content = [
    Content('text/calendar', 'Party Time!!'),
    Content('text/custom', 'Party Time 2!!')
]

message.attachment = Attachment(FileContent('base64 encoded content 1'),
                                FileType('application/pdf'),
                                FileName('balance_001.pdf'),
                                Disposition('attachment'),
                                ContentId('Content ID 1'))
message.attachment = [
    Attachment(FileContent('base64 encoded content 2'),
               FileType('image/png'),
               FileName('banner.png'),
               Disposition('inline'),
               ContentId('Content ID 2')),
    Attachment(FileContent('base64 encoded content 3'),
               FileType('image/png'),
               FileName('banner2.png'),
               Disposition('inline'),
               ContentId('Content ID 3'))
]

message.template_id = TemplateId('13b8f94f-bcae-4ec6-b752-70d6cb59f932')

message.section = Section('%section1%', 'Substitution for Section 1 Tag')
message.section = [
    Section('%section2%', 'Substitution for Section 2 Tag'),
    Section('%section3%', 'Substitution for Section 3 Tag')
]

message.header = Header('X-Test9', 'Test9')
message.header = Header('X-Test10', 'Test10')
message.header = [
    Header('X-Test11', 'Test11'),
    Header('X-Test12', 'Test12')
]

message.category = Category('Category 1')
message.category = Category('Category 2')
message.category = [
    Category('Category 1'),
    Category('Category 2')
]

message.custom_arg = CustomArg('marketing5', 'false')
message.custom_arg = CustomArg('transactional5', 'true')
message.custom_arg = [
    CustomArg('marketing6', 'true'),
    CustomArg('transactional6', 'false')
]

message.send_at = SendAt(1461775053)

message.batch_id = BatchId("HkJ5yLYULb7Rj8GKSx7u025ouWVlMgAi")

message.asm = Asm(GroupId(1), GroupsToDisplay([1,2,3,4]))

message.ip_pool_name = IpPoolName("IP Pool Name")

mail_settings = MailSettings()
mail_settings.bcc_settings = BccSettings(False, BccSettingsEmail("bcc@twilio.com"))
mail_settings.bypass_list_management = BypassListManagement(False)
mail_settings.footer_settings = FooterSettings(True, FooterText("w00t"), FooterHtml("<string>w00t!<strong>"))
mail_settings.sandbox_mode = SandBoxMode(True)
mail_settings.spam_check = SpamCheck(True, SpamThreshold(5), SpamUrl("https://example.com"))
message.mail_settings = mail_settings

tracking_settings = TrackingSettings()
tracking_settings.click_tracking = ClickTracking(True, False)
tracking_settings.open_tracking = OpenTracking(True, OpenTrackingSubstitutionTag("open_tracking"))
tracking_settings.subscription_tracking = SubscriptionTracking(
    True,
    SubscriptionText("Goodbye"),
    SubscriptionHtml("<strong>Goodbye!</strong>"),
    SubscriptionSubstitutionTag("unsubscribe"))
tracking_settings.ganalytics = Ganalytics(
    True,
    UtmSource("utm_source"),
    UtmMedium("utm_medium"),
    UtmTerm("utm_term"),
    UtmContent("utm_content"),
    UtmCampaign("utm_campaign"))
message.tracking_settings = tracking_settings

try:
    sendgrid_client = SendGridAPIClient(api_key=os.environ.get('SENDGRID_API_KEY'))
    print(json.dumps(message.get(), sort_keys=True, indent=4))
    response = sendgrid_client.send(message=message)
    print(response.status_code)
    print(response.body)
    print(response.headers)
except SendGridException as e:
    print(e.message)

## Send a Single Email to a Single Recipient with a Dynamic Template
import os
import json
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail, From, To, Subject, PlainTextContent, HtmlContent, SendGridException, DynamicTemplateData

message = Mail(from_email=From('help@twilio.com', 'Twilio SendGrid'),
               to_emails=To('ethomas@twilio.com', 'Elmer Thomas'),
               subject=Subject('Sending with SendGrid is Fun'),
               plain_text_content=PlainTextContent('and easy to do anywhere, even with Python'),
               html_content=HtmlContent('<strong>and easy to do anywhere, even with Python</strong>'))
message.dynamic_template_data = DynamicTemplateData({
    "total":"$ 239.85",
    "items":[
        {
            "text":"New Line Sneakers",
            "image":"https://marketing-image-production.s3.amazonaws.com/uploads/8dda1131320a6d978b515cc04ed479df259a458d5d45d58b6b381cae0bf9588113e80ef912f69e8c4cc1ef1a0297e8eefdb7b270064cc046b79a44e21b811802.png",
            "price":"$ 79.95"
        },
        {
            "text":"Old Line Sneakers",
            "image":"https://marketing-image-production.s3.amazonaws.com/uploads/3629f54390ead663d4eb7c53702e492de63299d7c5f7239efdc693b09b9b28c82c924225dcd8dcb65732d5ca7b7b753c5f17e056405bbd4596e4e63a96ae5018.png",
            "price":"$ 79.95"
        },
        {
            "text":"Blue Line Sneakers",
            "image":"https://marketing-image-production.s3.amazonaws.com/uploads/00731ed18eff0ad5da890d876c456c3124a4e44cb48196533e9b95fb2b959b7194c2dc7637b788341d1ff4f88d1dc88e23f7e3704726d313c57f350911dd2bd0.png",
            "price":"$ 79.95"
        }
    ],
    "receipt":True,
    "name":"Sample Name",
    "address01":"1234 Fake St.",
    "address02":"Apt. 123",
    "city":"Place",
    "state":"CO",
    "zip":"80202"
})

try:
    print(json.dumps(message.get(), sort_keys=True, indent=4))
    sendgrid_client = SendGridAPIClient(api_key=os.environ.get('SENDGRID_API_KEY'))
    response = sendgrid_client.send(message=message)
    print(response.status_code)
    print(response.body)
    print(response.headers)
except SendGridException as e:
    print(e.message)