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python-apns

A library for interacting with APNs using HTTP/2 and token based authentication.

Installation

pip install gobiko.apns

Usage

Create a client:

from gobiko.apns import APNsClient

client = APNsClient(
    team_id=TEAM_ID,
    bundle_id=BUNDLE_ID,
    auth_key_id=APNS_KEY_ID,
    auth_key_filepath=APNS_KEY_FILEPATH,
    use_sandbox=True
)

Alternatively, you can create a client with the contents of the auth key file directly:

client = APNsClient(
    team_id=TEAM_ID,
    bundle_id=BUNDLE_ID,
    auth_key_id=APNS_KEY_ID,
    auth_key=APNS_KEY,
    use_sandbox=True
)

If you run into any problems deserializing the key, try wrapping it to 64 lines:

client = APNsClient(
    team_id=TEAM_ID,
    bundle_id=BUNDLE_ID,
    auth_key_id=APNS_KEY_ID,
    auth_key=APNS_KEY,
    use_sandbox=True,
    wrap_key=True
)

In Python 2.x environments, you may need to force the communication protocol to 'h2':

client = APNsClient(
    team_id=TEAM_ID,
    bundle_id=BUNDLE_ID,
    auth_key_id=APNS_KEY_ID,
    auth_key=APNS_KEY,
    use_sandbox=True,
    force_proto='h2'
)

Now you can send a message to a device by specifying its registration ID:

client.send_message(
    registration_id,
    "All your base are belong to us."
)

Or you can send bulk messages to a list of devices:

client.send_bulk_message(
    [registration_id_1, registration_id_2],
    "You have no chance to survive, make your time."
)

Payload

Additional APNs payload values can be passed as kwargs:

client.send_message(
    registration_id,
    "All your base are belong to us.",
    badge=None,
    sound=None,
    category=None,
    content_available=False,
    action_loc_key=None,
    loc_key=None,
    loc_args=[],
    extra={},
    identifier=None,
    expiration=None,
    priority=10,
    topic=None
)

Pruning

The legacy binary interface APNs provided an endpoint to check whether a registration ID had become inactive. Now the service returns a BadDeviceToken error when you attempt to deliver an alert to an inactive registration ID. If you need to prune inactive IDs from a database you can handle the BadDeviceToken exception to do so:

from gobiko.apns.exceptions import BadDeviceToken

try:
    client.send_message(OLD_REGISTRATION_ID, "Message to an invalid registration ID.")
except BadDeviceToken:
    # Handle invalid ID here
    pass

Same approach if sending by bulk:

from gobiko.apns.exceptions import PartialBulkMessage

try:
    client.send_bulk_message([registration_id1, registration_id2], "Message")
except PartialBulkMessage as e:
    # Handle list of invalid IDs using e.bad_registration_ids
    pass

Documentation

  • More information on APNs and an explanation of the above can be found in this blog post.
  • Apple documentation for APNs can be found here.

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A library for interacting with APNs using HTTP/2 and token-based authentication.

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