### Build and Configure Development Environment

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Install requirements and build native modules for development.

```bash
pip3 install -U -r requirements.txt
```

```bash
python setup.py build_ext --inplace
export PYTHONPATH=`cwd`
```

```bash
python setup.py build_ext --inplace
set PYTHONPATH=%cd%
```

--------------------------------

### Install pyjoulescope via PyPI

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Install the package using pip.

```bash
pip3 install -U joulescope
```

--------------------------------

### Install pyjoulescope from Source

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Install developer dependencies or the package itself from the local directory.

```bash
pip3 install -U -e .[dev]
```

```bash
pip3 install -U .
```

--------------------------------

### Install Python and Dependencies on macOS

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Use Homebrew to install Python and libusb.

```bash
$ brew install python3 libusb
$ python3 -VV
```

--------------------------------

### Manage Virtual Environments

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Commands to install virtualenv, create environments, and activate them on different platforms.

```bash
pip3 install -U virtualenv
```

```bash
virtualenv ~/venv/joulescope
```

```bash
source ~/venv/joulescope/bin/activate
```

```bash
virtualenv c:\venv\joulescope
source c:\venv\joulescope\Scripts\activate
```

--------------------------------

### Install Python and Dependencies on Linux

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Install Python development headers and libusb using the system package manager.

```bash
$ sudo apt install python3-dev python3-pip libusb-1.0-0
$ python3 -VV
```

--------------------------------

### Verify Python Installation on Windows

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Check the installed Python version using the command prompt.

```bash
> python -VV
Python 3.13.0 (tags/v3.13.0:60403a5, Oct  7 2024, 09:38:07) [MSC v.1941 64 bit (AMD64)]
```

--------------------------------

### Install pyjoulescope with Trusted Host

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Bypass SSL certificate verification if corporate IT policies block PyPI.

```bash
pip3 install --trusted-host pypi.org --trusted-host files.pythonhosted.org -U joulescope
```

--------------------------------

### Display CLI help

Source: https://joulescope.readthedocs.io/en/latest/user/quickstart.html

List all available commands for the joulescope CLI tool.

```bash
joulescope help
```

--------------------------------

### Capture data via CLI

Source: https://joulescope.readthedocs.io/en/latest/user/quickstart.html

Use the command-line tool to capture a contiguous 1.0 second duration of data to a file.

```bash
joulescope capture --contiguous 1.0 mycapture.jls
```

--------------------------------

### Configure Linux udev Rules

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Grant user permissions to access Joulescope hardware.

```bash
$ wget https://raw.githubusercontent.com/jetperch/pyjoulescope/master/99-joulescope.rules
$ sudo cp 99-joulescope.rules /etc/udev/rules.d/
$ sudo udevadm control --reload-rules
```

--------------------------------

### Read and average data in Python

Source: https://joulescope.readthedocs.io/en/latest/user/quickstart.html

Open the instrument, read 0.25 seconds of data, and calculate the mean current and voltage.

```python
import joulescope
import numpy as np
with joulescope.scan_require_one(config='auto') as js:
    data = js.read(contiguous_duration=0.25)
current, voltage = np.mean(data, axis=0)
print(f'{current} A, {voltage} V')
```

--------------------------------

### Clone pyjoulescope Repository

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Download the source code from GitHub.

```bash
git clone https://github.com/jetperch/pyjoulescope.git
```

--------------------------------

### Download pyjoulescope Source Archives

Source: https://joulescope.readthedocs.io/en/latest/user/install.html

Download the source code as a tarball or ZIP file.

```bash
curl -Ol https://github.com/jetperch/pyjoulescope/tarball/master
```

```bash
https://github.com/jetperch/pyjoulescope/archive/master.zip
```

--------------------------------

### Run package via Python module

Source: https://joulescope.readthedocs.io/en/latest/user/quickstart.html

Execute the joulescope package directly using the Python interpreter, useful when running from source.

```bash
python3 -m joulescope --help
```

--------------------------------

### Capture and Analyze Joulescope Data

Source: https://joulescope.readthedocs.io/en/latest/index.html

This snippet captures 0.1 seconds of data from a Joulescope and calculates the average current and voltage. Ensure the Joulescope is connected and recognized by the system.

```python
import joulescope
import numpy as np
with joulescope.scan_require_one(config='auto') as js:
    data = js.read(contiguous_duration=0.1)
current, voltage = np.mean(data, axis=0, dtype=np.float64)
print(f'{current} A, {voltage} V')
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.