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GETTING STARTED WITH BUMBLE

Prerequisites

You need Python 3.9 or above. Visit the Python site for instructions on how to install Python for your platform. Throughout the documentation, when shell commands are shown, it is assumed that you can invoke Python as

$ python

If invoking python is different on your platform (it may be python3 for example, or just py or py.exe), adjust accordingly.

You may be simply using Bumble as a module for your own application or as a dependency to your own module, or you may be working on modifying or contributing to the Bumble module or example code itself.

Using Bumble As A Python Module

Installing

You may choose to install the Bumble module from an online package repository, with a package manager, or from source.

!!! tip "Python Virtual Environments" When you install Bumble, you have the option to install it as part of your default python environment, or in a virtual environment, such as a venv, pyenv or conda environment. See the Python Environments page page for details.

Install From Source

Install with pip. Run in a command shell in the directory where you downloaded the source distribution

$ python -m pip install -e .

Install from GitHub

You can install directly from GitHub without first downloading the repo.

Install the latest commit from the main branch with pip:

$ python -m pip install git+https://github.com/google/bumble.git

You can specify a specific tag.

Install tag v0.0.1 with pip:

$ python -m pip install git+https://github.com/google/bumble.git@v0.0.1

You can also specify a specific commit.

Install commit 27c0551 with pip:

$ python -m pip install git+https://github.com/google/bumble.git@27c0551

Working On The Bumble Code

When you work on the Bumble code itself, and run some of the tests or example apps, or import the module in your own code, you typically either install the package from source in "development mode" as described above, or you may choose to skip the install phase.

If you plan on contributing to the project, please read the contributing section.

Without Installing

If you prefer not to install the package (even in development mode), you can load the module directly from its location in the project. A simple way to do that is to set your PYTHONPATH to point to the root project directory, where the bumble subdirectory is located. You may set PYTHONPATH globally, or locally with each command line execution (on Unix-like systems).

Example with a global PYTHONPATH, from a unix shell, when the working directory is the root directory of the project.

$ export PYTHONPATH=.
$ python apps/console.py serial:/dev/tty.usbmodem0006839912171

or running an example, with the working directory set to the examples subdirectory

$ cd examples
$ export PYTHONPATH=..
$ python run_scanner.py usb:0

Or course, export PYTHONPATH only needs to be invoked once, not before each app/script execution.

Setting PYTHONPATH locally with each command would look something like:

$ PYTHONPATH=. python examples/run_advertiser.py examples/device1.json serial:/dev/tty.usbmodem0006839912171

Where To Go Next

Once you've installed or downloaded Bumble, you can either start using some of the Bundled apps and tools, or look at the examples to get a feel for how to use the APIs, and start writing your own applications.

Depending on the use case you're interested in exploring, you may need to use a physical Bluetooth controller, like a USB dongle or a board with a Bluetooth radio. Visit the Hardware page for more information on using a physical radio, and/or the Transports page for more details on interfacing with either hardware modules or virtual controllers over various transports.