🏠🤖 Python API for TP-Link smarthome products
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python-kasa

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python-kasa is a Python library to control TPLink's smart home devices (plugs, wall switches, power strips, and bulbs).

This is a voluntary, community-driven effort and is not affiliated, sponsored, or endorsed by TPLink.

Contributions in any form (adding missing features, reporting issues, fixing or triaging existing ones, improving the documentation, or device donations) are more than welcome!


Getting started

You can install the most recent release using pip:

pip install python-kasa

If you are using cpython, it is recommended to install with [speedups] to enable orjson (faster json support):

pip install python-kasa[speedups]

With [speedups], the protocol overhead is roughly an order of magnitude lower (benchmarks available in devtools).

Alternatively, you can clone this repository and use poetry to install the development version:

git clone https://github.com/python-kasa/python-kasa.git
cd python-kasa/
poetry install

If you have not yet provisioned your device, you can do so using the cli tool.

Discovering devices

Running kasa discover will send discovery packets to the default broadcast address (255.255.255.255) to discover supported devices. If your system has multiple network interfaces, you can specify the broadcast address using the --target option.

The discover command will automatically execute the state command on all the discovered devices:

$ kasa discover
Discovering devices on 255.255.255.255 for 3 seconds

== Bulb McBulby - KL130(EU) ==
        Host: 192.168.xx.xx
        Port: 9999
        Device state: True
        == Generic information ==
        Time:         2023-12-05 14:33:23 (tz: {'index': 6, 'err_code': 0}
        Hardware:     1.0
        Software:     1.8.8 Build 190613 Rel.123436
        MAC (rssi):   1c:3b:f3:xx:xx:xx (-56)
        Location:     {'latitude': None, 'longitude': None}

        == Device specific information ==
        Brightness: 16
        Is dimmable: True
        Color temperature: 2500
        Valid temperature range: ColorTempRange(min=2500, max=9000)
        HSV: HSV(hue=0, saturation=0, value=16)
        Presets:
                index=0 brightness=50 hue=0 saturation=0 color_temp=2500 custom=None id=None mode=None
                index=1 brightness=100 hue=299 saturation=95 color_temp=0 custom=None id=None mode=None
                index=2 brightness=100 hue=120 saturation=75 color_temp=0 custom=None id=None mode=None
                index=3 brightness=100 hue=240 saturation=75 color_temp=0 custom=None id=None mode=None

        == Current State ==
        <EmeterStatus power=2.4 voltage=None current=None total=None>

        == Modules ==
        + <Module Schedule (smartlife.iot.common.schedule) for 192.168.xx.xx>
        + <Module Usage (smartlife.iot.common.schedule) for 192.168.xx.xx>
        + <Module Antitheft (smartlife.iot.common.anti_theft) for 192.168.xx.xx>
        + <Module Time (smartlife.iot.common.timesetting) for 192.168.xx.xx>
        + <Module Emeter (smartlife.iot.common.emeter) for 192.168.xx.xx>
        - <Module Countdown (countdown) for 192.168.xx.xx>
        + <Module Cloud (smartlife.iot.common.cloud) for 192.168.xx.xx>

If your device requires authentication to control it, you need to pass the credentials using --username and --password options.

Basic functionalities

All devices support a variety of common commands, including:

  • state which returns state information
  • on and off for turning the device on or off
  • emeter (where applicable) to return energy consumption information
  • sysinfo to return raw system information

The syntax to control device is kasa --host <ip address> <command>. Use kasa --help (or consult the documentation) to get a list of all available commands and options. Some examples of available options include JSON output (--json), defining timeouts (--timeout and --discovery-timeout).

Each individual command may also have additional options, which are shown when called with the --help option. For example, --transition on bulbs requests a smooth state change, while --name and --index are used on power strips to select the socket to act on:

$ kasa on --help

Usage: kasa on [OPTIONS]

  Turn the device on.

Options:
  --index INTEGER
  --name TEXT
  --transition INTEGER
  --help                Show this message and exit.

Bulbs

Common commands for bulbs and light strips include:

  • brightness to control the brightness
  • hsv to control the colors
  • temperature to control the color temperatures

When executed without parameters, these commands will report the current state.

Some devices support --transition option to perform a smooth state change. For example, the following turns the light to 30% brightness over a period of five seconds:

$ kasa --host <addr> brightness --transition 5000 30

See --help for additional options and the documentation for more details about supported features and limitations.

Power strips

Each individual socket can be controlled separately by passing --index or --name to the command. If neither option is defined, the commands act on the whole power strip.

For example:

$ kasa --host <addr> off  # turns off all sockets
$ kasa --host <addr> off --name 'Socket1'  # turns off socket named 'Socket1'

See --help for additional options and the documentation for more details about supported features and limitations.

Energy meter

Running kasa emeter command will return the current consumption. Possible options include --year and --month for retrieving historical state, and reseting the counters can be done with --erase.

$ kasa emeter
== Emeter ==
Current state: {'total': 133.105, 'power': 108.223577, 'current': 0.54463, 'voltage': 225.296283}

Library usage

If you want to use this library in your own project, a good starting point is to check the documentation on discovering devices. You can find several code examples in the API documentation of each of the implementation base classes, check out the documentation for the base class shared by all supported devices.

The library design and module structure is described in a separate page.

The device type specific documentation can be found in their separate pages:

Contributing

Contributions are very welcome! To simplify the process, we are leveraging automated checks and tests for contributions.

Setting up development environment

To get started, simply clone this repository and initialize the development environment. We are using poetry for dependency management, so after cloning the repository simply execute poetry install which will install all necessary packages and create a virtual environment for you.

Code-style checks

We use several tools to automatically check all contributions. The simplest way to verify that everything is formatted properly before creating a pull request, consider activating the pre-commit hooks by executing pre-commit install. This will make sure that the checks are passing when you do a commit.

You can also execute the checks by running either tox -e lint to only do the linting checks, or tox to also execute the tests.

Running tests

You can run tests on the library by executing pytest in the source directory. This will run the tests against contributed example responses, but you can also execute the tests against a real device:

$ pytest --ip <address>

Note that this will perform state changes on the device.

Analyzing network captures

The simplest way to add support for a new device or to improve existing ones is to capture traffic between the mobile app and the device. After capturing the traffic, you can either use the softScheck's wireshark dissector or the parse_pcap.py script contained inside the devtools directory. Note, that this works currently only on kasa-branded devices which use port 9999 for communications.

Supported devices

In principle, most kasa-branded devices that are locally controllable using the official Kasa mobile app work with this library.

The following lists the devices that have been manually verified to work. If your device is unlisted but working, please open a pull request to update the list and add a fixture file (use python -m devtools.dump_devinfo to generate one).

Plugs

Power Strips

  • EP40
  • HS300
  • KP303
  • KP200 (in wall)
  • KP400
  • KP405 (dimmer)

Wall switches

  • ES20M
  • HS200
  • HS210
  • HS220
  • KS200M (partial support, no motion, no daylight detection)
  • KS220M (partial support, no motion, no daylight detection)
  • KS230

Bulbs

  • LB100
  • LB110
  • LB120
  • LB130
  • LB230
  • KL50
  • KL60
  • KL110
  • KL120
  • KL125
  • KL130
  • KL135

Light strips

  • KL400L5
  • KL420L5
  • KL430

Tapo branded devices

The library has recently added a limited supported for devices that carry Tapo branding.

At the moment, the following devices have been confirmed to work:

Plugs

  • Tapo P110
  • Tapo P135 (dimming not yet supported)

Bulbs

  • Tapo L510B
  • Tapo L530E

Light strips

  • Tapo L900-5
  • Tapo L900-10
  • Tapo L920-5

Newer Kasa branded devices

Some newer hardware versions of Kasa branded devices are now using the same protocol as Tapo branded devices. Support for these devices is currently limited as per TAPO branded devices:

  • Kasa EP25 (plug) hw_version 2.6
  • Kasa KP125M (plug)
  • Kasa KS205 (Wifi/Matter Wall Switch)
  • Kasa KS225 (Wifi/Matter Wall Dimmer Switch)

If your device is unlisted but working, please open a pull request to update the list and add a fixture file (use python -m devtools.dump_devinfo to generate one).

Resources

Developer Resources

Library Users

This library has recently added a limited supported for devices that carry Tapo branding. That support is currently limited to the cli. The package kasa.tapo is in flux and if you use it directly you should expect it could break in future releases until this statement is removed.

Other TAPO libraries are: