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SKILL.md

Venv Manager

Provides standardized conventions and commands for managing Python virtual environments. Other skills that need Python packages should reference this skill to ensure consistent organization.

Convention

All virtual environments are stored in a standard location with consistent naming:

~/.venvs/<package-name>/

Examples:

  • ~/.venvs/gitingest/
  • ~/.venvs/myproject/

When to Use

  • Another skill needs a Python package installed
  • User wants to create a venv following standard conventions
  • User asks about venv organization or where venvs are stored

Workflow

1. Check if Venv Already Exists

Before creating, check if the venv already exists:

ls ~/.venvs/<name>/bin/python 2>/dev/null && echo "EXISTS" || echo "NOT_FOUND"

2. Create a New Venv

python3 -m venv ~/.venvs/<name>

3. Install Packages

Install one or more packages into the venv:

~/.venvs/<name>/bin/pip install <package1> <package2> ...

4. Run Commands in the Venv

To run a command using the venv's Python or installed packages:

~/.venvs/<name>/bin/<command> <args>

Or activate first (less preferred):

source ~/.venvs/<name>/bin/activate
<command> <args>
deactivate

Complete Example

Creating a venv for gitingest:

# Check if exists
ls ~/.venvs/gitingest/bin/python 2>/dev/null && echo "EXISTS" || echo "NOT_FOUND"

# Create venv (if NOT_FOUND)
python3 -m venv ~/.venvs/gitingest

# Install package
~/.venvs/gitingest/bin/pip install gitingest

# Verify installation
~/.venvs/gitingest/bin/gitingest --version

# Use it
~/.venvs/gitingest/bin/gitingest https://github.com/owner/repo -o output.txt

For Other Skills

If you're a skill that needs Python packages:

  1. Ask the user how they want to install the package
  2. If user chooses "create a venv for me", follow the conventions in this skill
  3. Use ~/.venvs/<package-name>/ as the location
  4. Run commands via ~/.venvs/<package-name>/bin/<command>

Listing Existing Venvs

To see what venvs exist:

ls -1 ~/.venvs/

Removing a Venv

To remove a venv (requires user confirmation):

rm -rf ~/.venvs/<name>

Always confirm with user before deleting.