A Python library for the Blink Camera system





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A Python library for the Blink Camera system (Python 3.6+)

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Disclaimer: Published under the MIT license - See LICENSE file for more details.

"Blink Wire-Free HS Home Monitoring & Alert Systems" is a trademark owned by Immedia Inc., see for more information. I am in no way affiliated with Blink, nor Immedia Inc.

Original protocol hacking by MattTW :

API calls faster than 60 seconds is not recommended as it can overwhelm Blink's servers. Please use this module responsibly.


pip install blinkpy

Installing Development Version

To install the current development version, perform the following steps.  Note that the following will create a blinkpy directory in your home area:

.. code:: bash

    $ cd ~
    $ git clone
    $ cd blinkpy
    $ rm -rf build dist
    $ python3 bdist_wheel
    $ pip3 install --upgrade dist/*.whl

If you'd like to contribute to this library, please read the `contributing instructions <>`__.

For more information on how to use this library, please `read the docs <>`__.

This library was built with the intention of allowing easy communication with Blink camera systems, specifically to support the `Blink component <>`__ in `homeassistant <>`__.

Quick Start
The simplest way to use this package from a terminal is to call ``Blink.start()`` which will prompt for your Blink username and password and then log you in.  In addition, http requests are throttled internally via use of the ``Blink.refresh_rate`` variable, which can be set at initialization and defaults to 30 seconds.

.. code:: python

    from blinkpy.blinkpy import Blink
    blink = Blink()

This flow will prompt you for your username and password.  Once entered, if you likely will need to send a 2FA key to the blink servers (this pin is sent to your email address).  When you receive this pin, enter at the prompt and the Blink library will proceed with setup.

Starting blink without a prompt
In some cases, having an interactive command-line session is not desired.  In this case, you will need to set the ``Blink.auth.no_prompt`` value to ``True``.  In addition, since you will not be prompted with a username and password, you must supply the login data to the blink authentication handler.  This is best done by instantiating your own auth handler with a dictionary containing at least your username and password.

.. code:: python

    from blinkpy.blinkpy import Blink
    from blinkpy.auth import Auth

    blink = Blink()
    # Can set no_prompt when initializing auth handler
    auth = Auth({"username": <your username>, "password": <your password>}, no_prompt=True)
    blink.auth = auth

Since you will not be prompted for any 2FA pin, you must call the ``blink.auth.send_auth_key`` function.  There are two required parameters: the ``blink`` object as well as the ``key`` you received from Blink for 2FA:

.. code:: python

    auth.send_auth_key(blink, <your key>)

Supplying credentials from file
Other use cases may involved loading credentials from a file.  This file must be ``json`` formatted and contain a minimum of ``username`` and ``password``.  A built in function in the ``blinkpy.helpers.util`` module can aid in loading this file.  Note, if ``no_prompt`` is desired, a similar flow can be followed as above.

.. code:: python

    from blinkpy.blinkpy import Blink
    from blinkpy.auth import Auth
    from blinkpy.helpers.util import json_load

    blink = Blink()
    auth = Auth(json_load("<File Location>"))
    blink.auth = auth

Saving credentials
This library also allows you to save your credentials to use in future sessions.  Saved information includes authentication tokens as well as unique ids which should allow for a more streamlined experience and limits the frequency of login requests.  This data can be saved as follows (it can then be loaded by following the instructions above for supplying credentials from a file):

.. code:: python"<File location>")

Getting cameras
Cameras are instantiated as individual ``BlinkCamera`` classes within a ``BlinkSyncModule`` instance.  All of your sync modules are stored within the ``Blink.sync`` dictionary and can be accessed using the name of the sync module as the key (this is the name of your sync module in the Blink App).

The below code will display cameras and their available attributes:

.. code:: python

    for name, camera in blink.cameras.items():
      print(name)                   # Name of the camera
      print(camera.attributes)      # Print available attributes of camera

The most recent images and videos can be accessed as a bytes-object via internal variables.  These can be updated with calls to ``Blink.refresh()`` but will only make a request if motion has been detected or other changes have been found.  This can be overridden with the ``force`` flag, but this should be used for debugging only since it overrides the internal request throttling.

.. code:: python
    camera = blink.cameras['SOME CAMERA NAME']
    blink.refresh(force=True)  # force a cache update USE WITH CAUTION
    camera.image_from_cache.raw  # bytes-like image object (jpg)
    camera.video_from_cache.raw  # bytes-like video object (mp4)

The ``blinkpy`` api also allows for saving images and videos to a file and snapping a new picture from the camera remotely:

.. code:: python

    camera = blink.cameras['SOME CAMERA NAME']
    camera.snap_picture()       # Take a new picture with the camera
    blink.refresh()             # Get new information from server

Arming Blink
Methods exist to arm/disarm the sync module, as well as enable/disable motion detection for individual cameras.  This is done as follows:

.. code:: python

    # Arm a sync module
    blink.sync["SYNC MODULE NAME"].arm = True

    # Disarm a sync module
    blink.sync["SYNC MODULE NAME"].disarm = False

    # Print arm status of a sync module - a system refresh should be performed first
    sync = blink.sync["SYNC MODULE NAME"]
    print(f"{} status: {sync.arm}")

Similar methods exist for individual cameras:

.. code:: python

   camera = blink.cameras["SOME CAMERA NAME"]

   # Enable motion detection on a camera
   camera.arm = True

   # Disable motion detection on a camera
   camera.arm = False

   # Print arm status of a sync module - a system refresh should be performed first
   print(f"{} status: {camera.arm}")

Download videos
You can also use this library to download all videos from the server.  In order to do this, you must specify a ``path``.  You may also specifiy a how far back in time to go to retrieve videos via the ``since=`` variable (a simple string such as ``"2017/09/21"`` is sufficient), as well as how many pages to traverse via the ``stop=`` variable.  Note that by default, the library will search the first ten pages which is sufficient in most use cases.  Additionally, you can specify one or more cameras via the ``camera=`` property.  This can be a single string indicating the name of the camera, or a list of camera names.  By default, it is set to the string ``'all'`` to grab videos from all cameras. If you are downloading many items, setting the ``delay`` parameter is advised in order to throttle sequential calls to the API. By default this is set to ``1`` but can be any integer representing the number of seconds to delay between calls.

Example usage, which downloads all videos recorded since July 4th, 2018 at 9:34am to the ``/home/blink`` directory with a 2s delay between calls:

.. code:: python

    blink.download_videos('/home/blink', since='2018/07/04 09:34', delay=2)

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