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Python client for FCM - Firebase Cloud Messaging (Android & iOS)

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PyFCM

Python client for FCM - Firebase Cloud Messaging (Android & iOS)

Firebase Cloud Messaging (FCM) is the new version of GCM. It inherits the reliable and scalable GCM infrastructure, plus new features. GCM users are strongly recommended to upgrade to FCM.

Using FCM, you can notify a client app that new email or other data is available to sync. You can send notifications to drive user reengagement and retention. For use cases such as instant messaging, a message can transfer a payload of up to 4KB to a client app.

For more information, visit: https://firebase.google.com/docs/cloud-messaging/

Links

Quickstart

Install using pip:

pip install pyfcm

OR

pip install git+git://github.com/olucurious/PyFCM.git

PyFCM supports Android and iOS.

Example

Send notifications using the FCMNotification class:

# Send to single device.
from pyfcm import FCMNotification

push_service = FCMNotification(api_key="<api-key>")

registration_id = "<device registration_id>"
message_title = "Uber update"
message_body = "Hi john, your customized news for today is ready"
result = push_service.notify_single_device(registration_id=registration_id, message_title=message_title, message_body=message_body)

# Send to multiple devices by passing a list of ids.
registration_ids = ["<device registration_id 1>", "<device registration_id 2>", ...]
message_title = "Uber update"
message_body = "Hope you're having fun this weekend, don't forget to check today's news"
result = push_service.notify_multiple_devices(registration_ids=registration_ids, message_title=message_title, message_body=message_body)

print result

Send a low priority message.

# The default is low_priority == False
result = push_service.notify_multiple_devices(registration_ids=registration_ids, message_body=message, low_priority=True)

Sending a message to a topic.

# Send a message to devices subscribed to a topic.
result = push_service.notify_topic_subscribers(topic_name="news", message_body=message)

# Conditional topic messaging
topic_condition = "'TopicA' in topics && ('TopicB' in topics || 'TopicC' in topics)"
result = push_service.notify_topic_subscribers(message_body=message, condition=topic_condition)
# FCM first evaluates any conditions in parentheses, and then evaluates the expression from left to right. In the above expression, a user subscribed to any single topic does not receive the message. Likewise, a user who does not subscribe to TopicA does not receive the message. These combinations do receive it:
# TopicA and TopicB
# TopicA and TopicC
# Conditions for topics support two operators per expression, and parentheses are supported.
# For more information, check: https://firebase.google.com/docs/cloud-messaging/topic-messaging

Other argument options

collapse_key (str, optional): Identifier for a group of messages
    that can be collapsed so that only the last message gets sent
    when delivery can be resumed. Defaults to `None`.
delay_while_idle (bool, optional): If `True` indicates that the
    message should not be sent until the device becomes active.
time_to_live (int, optional): How long (in seconds) the message
    should be kept in FCM storage if the device is offline. The
    maximum time to live supported is 4 weeks. Defaults to ``None``
    which uses the FCM default of 4 weeks.
low_priority (boolean, optional): Whether to send notification with
    the low priority flag. Defaults to `False`.
restricted_package_name (str, optional): Package name of the
    application where the registration IDs must match in order to
    receive the message. Defaults to `None`.
dry_run (bool, optional): If `True` no message will be sent but
    request will be tested.

Access response data.

# Response from FCM Server.
print result['multicast_id'] #Unique ID (number) identifying the multicast message.
print result['success'] #Number of messages that were processed without an error.
print result['failure'] #Number of messages that could not be processed.
print result['canonical_ids'] #Number of results that contain a canonical registration token.
print result['results'] #Array of objects representing the status of the messages processed.
#The result objects are listed in the same order as the request (i.e., for each registration ID in the request, its result is listed in the same index in the response).
#message_id: String specifying a unique ID for each successfully processed message.
#registration_id: Optional string specifying the canonical registration token for the client app that the message was processed and sent to. Sender should use this value as the registration token for future requests. Otherwise, the messages might be rejected.
#error: String specifying the error that occurred when processing the message for the recipient

License

The MIT License (MIT). Please see LICENSE.rst for more information.

Copyright (c) 2015 Emmanuel Adegbite

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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