trycourier 6.0.0b1

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This is the official Python package for sending notifications with the Courier REST API.

Installation

Install from PyPI

pip install trycourier
# or 
poetry add trycourier

Python 3.7 or later is required.

Usage

Use the Courier class to access all of our endpoints.

import os
import courier

from courier.client import Courier

client = Courier(
  authorization_token="YOUR_TOKENY" # Defaults to COURIER_AUTH_TOKEN
)

response = client.send(
  message=courier.ContentMessage(
    to=courier.UserRecipient(
      email="[e-mail]",
      data={
        name: "Marty",
      }
    ),
    content=courier.ElementalContentSugar(
      title="Back to the Future",
      body="Oh my {{name}}, we need 1.21 Gigawatts!",
    ),
    routing=courier.Routing(
      method=courier.RoutingMethod.ALL,
      channels=["email"]
    )
  )
)

print(response)

Async Client

The SDK also exports an asynchronous client, AsyncCourier.

import os
import courier
import asyncio

from courier.client import AsyncCourier

client = AsyncCourier(
  authorization_token="YOUR_TOKEN" # Defaults to COURIER_AUTH_TOKEN
)

async def main() -> None: 
  response = await client.send(
    message=courier.ContentMessage(
      to=courier.UserRecipient(
        email="[e-mail]",
        data={
          name: "Marty",
        }
      ),
      content=courier.ElementalContentSugar(
        title="Back to the Future",
        body="Oh my {{name}}, we need 1.21 Gigawatts!",
      ),
      routing=courier.Routing(
        method=courier.RoutingMethod.ALL,
        channels=["email"]
      )
    )
  )

asyncio.run(main())

Timeouts

By default, the client is configured to have a timeout of 60 seconds. You can customize this value at client instantiation.

from courier.client import Courier

client = Courier(
  authorization_token="YOUR_TOKEN",
  timeout=30
)

Handling Exceptions

All exceptions thrown by the SDK will sublcass courier.ApiError.

import courier

from courier.core import ApiError

try:
  courier.send(...)
except APIError as e:  
  # handle any api related error

Idempotency Keys

For POST methods, you can supply an idempotencyKey in the config parameter to ensure the idempotency of the API Call. We recommend that you use a V4 UUID for the key. Keys are eligible to be removed from the system after they're at least 24 hours old, and a new request is generated if a key is reused after the original has been removed. For more info, see Idempotent Requests in the Courier documentation.

import courier

courier.send(
  message={...}, 
  idempotency_key"YOUR_KEY", 
  idempotency_expiration="YOUR_EXPIRATION")

Additional Usage Examples

Send Template Message

import courier

from courier import Courier

client = Courier(
  authorization_token="YOUR_TOKEN")

response = client.send(
    message=courier.TemplateMessage(
      template="my-template",
      to=courier.UserRecipient(email="[e-mail]")
    )
)
print(response.message_id)

UTM Metadata with Message

import courier

from courier import Courier

client = Courier(
  authorization_token="YOUR_TOKEN")

response = client.send(
    message=courier.ContentMessage(
      content=courier.ElementalContent(
        version='2020-01-01',
        elements=[
          courier.ElementalNode_Action(
            content="ELEMENTAL",
            href="courier.com",
            style="button",
            align="center"
          )
        ]
      ),
      to=courier.UserRecipient(email="[e-mail]"),
      routing=courier.Routing(
        method=courier.RoutingMethod.SINGLE,
        channels=["email"]
      ),
      metadata=courier.MessageMetadata(
        utm=courier.Utm(source="python")
      )
    )
)
print(response.request_id)

Advanced

Overriding HTTP Client

You can override the httpx client to customize it for your use case. Some common usecases include support for proxies and transports.

import httpx
from courier.client import Courier

client = Courier(
    http_client=httpx.Client(
        proxies="http://my.test.proxy.example.com",
        transport=httpx.HTTPTransport(local_address="0.0.0.0"),
    ),
)

Contributing

While we value open-source contributions to this SDK, this library is generated programmatically. Additions made directly to this library would have to be moved over to our generation code, otherwise they would be overwritten upon the next generated release. Feel free to open a PR as a proof of concept, but know that we will not be able to merge it as-is. We suggest opening an issue first to discuss with us!

On the other hand, contributions to the README are always very welcome!

License

MIT License

Author

Courier ([e-mail])