Portable Mamba

A portable Miniforge installation script that creates isolated Python environments without modifying system settings.

Features

Portable: No system installation or registry changes
Multiple Environments: One installation can manage multiple environments
Requirements Support: Automatic package installation from requirements.txt
Flexible Python Versions: Specify any Python version
Clean: Minimal console output

Usage

Basic Usage

# Create default environment (Python 3.9)
.\portable.ps1

Advanced Usage

# Create specific environment
.\portable.ps1 -EnvName myproject -PythonVersion 3.11

# With requirements file
.\portable.ps1 -EnvName webapp -PythonVersion 3.10 -RequirementsFile requirements.txt

# Force recreate existing environment
.\portable.ps1 -EnvName dataanalysis -Force

# Create environment with custom requirements
.\portable.ps1 -EnvName mlproject -PythonVersion 3.8 -RequirementsFile ml-requirements.txt

Parameters

Parameter	Type	Default	Description
`-EnvName`	string	"default"	Name of the environment
`-PythonVersion`	string	"3.9"	Python version to install
`-RequirementsFile`	string	""	Path to requirements.txt file
`-Force`	switch	false	Force recreation of existing environment

Examples

Data Science Environment

.\portable.ps1 -EnvName datascience -PythonVersion 3.11 -RequirementsFile data-science.txt

Web Development Environment

.\portable.ps1 -EnvName webdev -PythonVersion 3.10 -RequirementsFile web-requirements.txt

Machine Learning Environment

.\portable.ps1 -EnvName ml -PythonVersion 3.9 -RequirementsFile ml-requirements.txt

File Structure

After running the script, you'll have:

Miniforge-Portable/
├── miniforge.exe
├── portable.ps1
├── mamba/                    # Miniforge installation
│   ├── conda.exe
│   ├── Scripts/
│   └── envs/                 # Environments directory
│       ├── default/
│       ├── myproject/
│       └── webapp/
└── requirements.txt          # Your requirements file

Requirements File Format

Create a requirements.txt file with your Python packages:

numpy==1.24.3
pandas==2.0.3
matplotlib==3.7.1
requests==2.31.0

Notes

The script creates environments in mamba/envs/ directory
Each environment is completely isolated
No system Python or conda installation required
Works on any Windows system with PowerShell
Environments persist between script runs