SendGrid Python Library
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README.rst

SendGrid-Python

This library allows you to quickly and easily send emails through SendGrid using Python.

https://travis-ci.org/sendgrid/sendgrid-python.svg?branch=master

Warning

If you upgrade to version 1.2.x, the add_to method behaves differently. In the past this method defaulted to using the SMTPAPI header. Now you must explicitly call the smtpapi.add_to method. More on the SMTPAPI section.

Announcements

For users of our Web API v3 endpoints, we have begun integrating v3 endpoints into this library. As part of this process we have implemented a test automation tool, TOX. We are also updating and enhancing the core library code.

In no particular order, we have implemented a few of the v3 endpoints already and would appreciate your feedback.

Thank you for your continued support!

Install

pip install sendgrid
# or
easy_install sendgrid

Example

import sendgrid

sg = sendgrid.SendGridClient('YOUR_SENDGRID_API_KEY')

message = sendgrid.Mail()
message.add_to('John Doe <john@email.com>')
message.set_subject('Example')
message.set_html('Body')
message.set_text('Body')
message.set_from('Doe John <doe@email.com>')
status, msg = sg.send(message)

#or

message = sendgrid.Mail(to='john@email.com', subject='Example', html='Body', text='Body', from_email='doe@email.com')
status, msg = sg.send(message)

Error handling

By default, .send method returns a tuple (http_status_code, message), however you can pass raise_errors=True to SendGridClient constructor, then .send method will raise SendGridClientError for 4xx errors, and SendGridServerError for 5xx errors.

from sendgrid import SendGridError, SendGridClientError, SendGridServerError

sg = sendgrid.SendGridClient(username, password, raise_errors=True)

try:
    sg.send(message)
except SendGridClientError:
    ...
except SendGridServerError:
    ...

This behavior is going to be default from version 2.0.0. You are encouraged to set raise_errors to True for forwards compatibility.

SendGridError is a base-class for all SendGrid-related exceptions.

Usage

To begin using this library create a new instance of SendGridClient with your SendGrid credentials or a SendGrid API Key. API Key is the preferred method. API Keys are in beta. To configure API keys, visit https://app.sendgrid.com/settings/api_keys.

sg = sendgrid.SendGridClient('sendgrid_username', 'sendgrid_password')
# or
sg = sendgrid.SendGridClient('sendgrid_apikey')

Methods

There are multiple ways to add recipients:

add_to

message = sendgrid.Mail()
message.add_to('example@email.com')
# or
message.add_to('Example Dude <example@email.com>')
# or
message.add_to(['Example Dude <example@email.com>', 'john@email.com'])

add_to_name

message = sendgrid.Mail()
message.add_to('example@email.com')
message.add_to_name('Example Dude')

add_cc

message = sendgrid.Mail()
message.add_cc('example@email.com')
message.add_cc(['example@email.com', 'john@email.com'])

add_bcc

message = sendgrid.Mail()
message.add_bcc('example@email.com')
# or
message.add_bcc(['Example Dude <example@email.com>', 'john@email.com'])

set_from

message = sendgrid.Mail()
message.set_from('example@email.com')

set_from_name

message = sendgrid.Mail()
message.set_from('example@email.com')
message.set_from_name('Example Dude')

set_replyto

message.sendgrid.Mail()
message.set_replyto('example@email.com')

set_subject

message = sendgrid.Mail()
message.set_subject('Example')

set_text

message = sendgrid.Mail()
message.set_text('Body')

set_html

message = sendgrid.Mail()
message.set_html('<html><body>Stuff, you know?</body></html>')

set_date

message = sendgrid.Mail()
message.set_date('Wed, 17 Dec 2014 19:21:16 +0000')

set_headers

message = sendgrid.Mail()
message.set_headers({'X-Sent-Using': 'SendGrid-API', 'X-Transport': 'web'});

Set File Attachments

There are multiple ways to work with attachments:

add_attachment

message = sendgrid.Mail()
message.add_attachment('stuff.txt', './stuff.txt')
# or
message.add_attachment('stuff.txt', open('./stuff.txt', 'rb'))

add_attachment_stream

message = sendgrid.Mail()
message.add_attachment_stream('filename', 'somerandomcontentyouwant')
# strings, unicode, or BytesIO streams

add_content_id

message = sendgrid.Mail()
message.add_attachment('image.png', open('./image.png', 'rb'))
message.add_content_id('image.png', 'ID_IN_HTML')
message.set_html('<html><body>TEXT BEFORE IMAGE<img src="cid:ID_IN_HTML"></img>AFTER IMAGE</body></html>')

WEB API v3

APIKeys

List all API Keys belonging to the authenticated user.

client = sendgrid.SendGridAPIClient('SENDGRID_API_KEY')
status, msg = client.apikeys.get()

Generate a new API Key for the authenticated user

client = sendgrid.SendGridAPIClient(os.environ.get('SENDGRID_API_KEY'))
name = "My Amazing API Key"
status, msg = client.apikeys.post(name)

Revoke an existing API Key

client = sendgrid.SendGridAPIClient(os.environ.get('SENDGRID_API_KEY'))
status, msg = client.apikeys.delete(api_key_id)

Update the name of an existing API Key

client = sendgrid.SendGridAPIClient(os.environ.get('SENDGRID_API_KEY'))
name = "My NEW API Key 3000"
status, msg = client.apikeys.patch(api_key_id, name)

Suppression Management

Unsubscribe Manager gives your recipients more control over the types of emails they want to receive by letting them opt out of messages from a certain type of email.

Unsubscribe Groups

Retrieve all suppression groups associated with the user.

client = sendgrid.SendGridAPIClient('SENDGRID_API_KEY')
status, msg = client.asm_groups.get()

Get a single record.

status, msg = client.asm_groups.get(record_id)

Create a new suppression group.

status, msg = client.asm_groups.post(name, description, is_default)

Suppressions

Suppressions are email addresses that can be added to groups to prevent certain types of emails from being delivered to those addresses.

Add recipient addresses to the suppressions list for a given group.

client = sendgrid.SendGridAPIClient('SENDGRID_API_KEY')
group_id = <group_id_number> # If no group_id_number, the emails will be added to the global suppression group
emails = ['example@example.com', 'example@example.com']
status, msg = client.asm_suppressions.post(group_id, emails)

Get suppressed addresses for a given group.

status, msg = client.asm_suppressions.get(<group_id>)

Delete a recipient email from the suppressions list for a group.

status, msg = client.asm_suppressions.delete(<group_id>,<email_address>)

Global Suppressions

Global Suppressions are email addresses that will not receive any emails.

Check if a given email is on the global suppression list.

client = sendgrid.SendGridAPIClient('SENDGRID_API_KEY')
email = ['example@example.com']
status, msg = client.asm_global_suppressions.get(email)

Get a list of all SendGrid globally unsubscribed emails.

Add an email to the global suppression list.

Delete an email from the global suppression list.

Global Stats

Global Stats provide all of your user’s email statistics for a given date range.

SendGrid's X-SMTPAPI

If you wish to use the X-SMTPAPI on your own app, you can use the SMTPAPI Python library.

There are implementations for setter methods too.

Example

sg = sendgrid.SendGridClient('SENDGRID_API_KEY')
message = sendgrid.Mail()
message.add_substitution(':first_name', 'John')
message.smtpapi.add_to('John <example@example.com>')
message.set_subject('Testing from the Python library using the SMTPAPI')
message.set_html('<b>:first_name, this was a successful test of using the SMTPAPI library!</b>')
message.set_text(':name, this was a successful test of using the SMTPAPI library!')
message.set_from('Jane <example@example.com>')
sg.send(message)

Recipients

message = sendgrid.Mail()
message.smtpapi.add_to('example@email.com')

Substitution

message = sendgrid.Mail()
message.smtpapi.add_substitution('key', 'value')

add_substitution

message = sendgrid.Mail()
message.add_substitution('key', 'value')

set_substitutions

message = sendgrid.Mail()
message.set_substitutions({'key1': ['value1', 'value2'], 'key2': ['value3', 'value4']})

Section

message = sendgrid.Mail()
message.smtpapi.add_section('section', 'value')

add_section

message = sendgrid.Mail()
message.add_section('section', 'value')

set_sections

message = sendgrid.Mail()
message.set_sections({'section1': 'value1', 'section2': 'value2'})

Category

message = sendgrid.Mail()
message.smtpapi.add_category('category')

add_category

message = sendgrid.Mail()
message.add_category('category')

set_categories

message = sendgrid.Mail()
message.set_categories(['category1', 'category2'])

Unique Arguments

message = sendgrid.Mail()
message.smtpapi.add_unique_arg('key', 'value')

add_unique_arg

message = sendgrid.Mail()
message.add_unique_arg('key', 'value')

set_unique_args

message = sendgrid.Mail()
message.set_unique_args({'key1': 'value1', 'key2': 'value2'})

Filter

message = sendgrid.Mail()
message.smtpapi.add_filter('filter', 'setting', 'value')

add_filter

message = sendgrid.Mail()
message.add_filter('filter', 'setting', 'value')

ASM Group

message = sendgrid.Mail()
message.smtpapi.set_asm_group_id(value)

set_asm_group_id

message = sendgrid.Mail()
message.set_asm_group_id(value)

Using Templates from the Template Engine

message.add_filter('templates', 'enable', '1')
message.add_filter('templates', 'template_id', 'TEMPLATE-ALPHA-NUMERIC-ID')
message.add_substitution('key', 'value')

Tests

Prerequisites:

  • Mac OS X Prerequisite:
xcode-select --install
  • Install pyenv and tox
brew update
brew install pyenv
pip install tox
  • Add eval "$(pyenv init -)" to your profile after installing tox, you only need to do this once.
pyenv install 2.6.9
pyenv install 2.7.8
pyenv install 3.2.6
pyenv install 3.3.6
pyenv install 3.4.3
pyenv install 3.5.0

Run the tests:

virtualenv venv
source venv/bin/activate #or . ./activate.sh
python setup.py install
pyenv local 3.5.0 3.4.3 3.3.6 3.2.6 2.7.8 2.6.9
pyenv rehash
tox

Deploying

  • Confirm tests pass
  • Bump the version in sendgrid/version.py
  • Update CHANGELOG.md
  • Confirm tests pass
  • Commit Version bump vX.X.X
  • python setup.py sdist bdist_wininst upload
  • Push changes to GitHub
  • Release tag on GitHub vX.X.X