User guide and documentation

What can you do with the Python SDK?

You can use the Python SDK to search for the device.
You can use the Python SDK to connect and record data from the earbud.
You can download the data to your local machine.

Prerequisites

Python 3.10, if you already have another python version installed and you do not want to create a virtual environment to run the SDK, then you have to install Python 3.10 and set it as your default Python.
- The packages are already listed in the conda.yml and Pipfile. You can install what you need by using these commands:
  - Use Conda which will create an environment and configure your python version to the correct one with the following command:
```
conda env create -f conda.yml
```
  or
  - Use Pipenv which will create your virtual environment imanually using the following command.
```
pipenv install
```

Quick installation guide

Create a new repository or folder
Open the terminal in the same folder location or direct to that location within an already open terminal. For Windows you can use command prompt or Anaconda prompt, and Mac OS you can use the terminal or Anaconda prompt.
First activate the virtual environment if you have created one by using the following command, this command must always be run before using the python SDK:
```
conda activate idun_env
```
or
```
pipenv shell
```
After the environment is activated, install the Python SDK using the following command:
- With a conda environment use the following command:
```
pip install idun-guardian-client
```
or
- With a pipenv environment use the following command:
```
pipenv install idun-guardian-client
```
After installing the package, make sure that the dependencies are correctly installed by running the following command and inspecting the packages installed in the terminal output:
```
pip list
```

How to use the Python SDK

Below you will find examples of how to use the python SDK, we recommend that you create a new file for each example and run the code in the terminal.

Example 1: Search for the device

Create a new file inside the folder where you created your environment and name it search.py
Open the terminal in the folder and activate your virtual environment using the steps from the Quick installation guide.
Open the search.py file and copy the code from step 1 below.
Activate the virtual environment only if you have not already done so by using:
```
conda activate idun_env
```
or
```
pipenv shell
```
Run the following command in the terminal to run the code after you have activate the enviroment:
```
python search.py
```

Recommendation of steps to follow which is eleborated further below.

Search for the device
Check the battery level
Check the impedance
Record data from the earbud
Download the data from the cloud using the recording ID

1. Search the earbud manually

To see if the earbud is in range and available, you need to run the following command in your python shell or in your python script:

python search_device.py

Follow the steps in the terminal to search for the earbud with the name IGEB

If there are more than one IGEB device in the area, you will be asked to select the device you want to connect to connect to, a list such as below will pop up in the terminal:

For Windows:

----- Available devices -----

Index | Name | Address
----------------------------
0     | IGEB | XX:XX:XX:XX:XX:XX
1     | IGEB | XX:XX:XX:XX:XX:XX
2     | IGEB | XX:XX:XX:XX:XX:XX
----------------------------

For Mac OS:

----- Available devices -----
Index | Name | UUID
----------------------------
0    | IGEB | XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
1    | IGEB | XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
2    | IGEB | XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
----------------------------

Enter the index number of the device you want to connect to.

2. Check battery level

To read out the battery level, you need to run the following command in your python shell or in your python script:

python check_battery.py

3. Check impedance values

To read out the impedance values, you need to run the following command in your python shell or in your python script:

python check_impedance.py

4. Start a recording

To start a recording with a pre-defined timer (e.g. 100), you need to run the following command in your python shell or in your python script:

python record_data.py

To stop the recording, either wait for the timer to run out or:
- With Mac OS enter the cancellation command in the terminal running the script, this would be Ctrl+. or Ctrl+C
- With Windows enter the cancellation command in the terminal running the script, this would be Ctrl+C or Ctrl+Shift+C

4. Get all recorded info

To download the data, you need to first get the list of all your recordings and choose the one you would like to download
Run the following command in your python shell or in your python script:

python get_info_all.py

5. Get recording info

To find info about a specific recording, you need to run the following command in your python shell or in your python script:

python get_info_single.py

5. Download recording

To download the data insert the device ID along with the recording ID and run the following command in your python shell or in your python script

python download_data.py

6. Controlled recording

You can also run a controlled recording by using the following command in your python shell or in your python script

python main_record.py

Notes on line noise

If you are using the SDK in the USA or any other country where the line noise is at 60Hz, you need to change the line noise frequency in the main_record.py file by setting the flag such as:

MAINS_FREQUENCY_60Hz = True

Adding meta data to recording

6. Post New Metadata for a Recording

This example illustrates how to use create_metadata.py to post new metadata for a specific recording. This script will create a new metadata entry, and this metadata will be linked to a returned metadata ID.

python create_metadata.py

7. Create Markers for a Recording

This example demonstrates how to use the create_markers.py script to add new markers to an existing metadata ID. The script creates new marker entries, which will be added to the specified metadata. Note: Before running this script, you should have already created metadata for the recording using create_metadata.py.

python create_markers.py

7. Create Markers and Meta data for a Recording

This example shows you how to use a Python script to post both new metadata and markers for a specific recording. The script will create a new metadata entry along with markers, and this metadata will be associated with a returned metadata ID. Before running this script, make sure you have set up the recording for which you are creating metadata and markers.

python create_metadata_and_markers.py

8. List meta data for a recording and metadata ID

This example demonstrates how to retrieve metadata associated with a specific recording. It fetches the metadata based on the metadata ID and the recording ID. Before running this script, ensure you have already posted metadata for the recording.

python get_metadata_by_id.py

9. List all markers for a recording and metadata ID

This example demonstrates how to add new markers to an existing metadata ID. The new markers will be associated with a given recording and metadata ID. To execute this script, make sure you have already created metadata using the create_metadata.py example.

python get_markers_by_id.py

10. List all meta data for a recording

This example demonstrates how to list all metadata entries associated with a specific recording. You can specify the number of entries to be returned in one request (LIMIT) and, if needed, where to start fetching new metadata (CURSOR).

python list_all_metadata.py

Stopping a recording that was stopped incorrectly

If you have stopped a recording incorrectly, you can use the following command to stop the recording correctly:

python stop_recording.py

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