cameron.stream
[READ-ONLY] Mirror of https://github.com/just-cameron/pyron. less hateful pip management
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Cameron Pfiffer
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(Nov 6, 2024, 12:56 PM -0800)
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README.md
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README.md
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# pyron
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Simple pip management
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```
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```
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Manage virtual python environments with ease.
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Creates and activates a `.pyron` virtual environment in your current directory.
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## Features
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- Automatically creates or activates a `.pyron` virtual environment
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- Works in both bash and zsh
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- Performs Python version checks
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- Updates pip to latest version on environment creation
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- Provides clear feedback and error messages
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## Usage
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## Installation
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### Option 1: Manual Installation
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1. Download the script:
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```bash
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mkdir -p ~/.local/bin
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curl -o ~/.local/bin/pyron.sh https://raw.githubusercontent.com/YOUR_USERNAME/pyron/main/pyron.sh
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```
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2. Add to your shell configuration:
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For zsh (add to `~/.zshrc`):
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```zsh
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source ~/.local/bin/pyron.sh
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```
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For bash (add to `~/.bashrc`):
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```bash
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source ~/.local/bin/pyron.sh
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```
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### Option 2: Using git
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```bash
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git clone https://github.com/YOUR_USERNAME/pyron.git
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cd pyron
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./install.sh
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```
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## Usage
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Simply run `pyron` in any directory where you want to create or activate a Python virtual environment:
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```bash
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cd your-project
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pyron
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python blah-blah-blah.py
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```
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This will:
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1. Create a `.pyron` virtual environment if it doesn't exist
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2. Activate the environment
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3. Update pip to the latest version (on first creation)
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4. Display the Python and pip versions being used
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## Requirements
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- Python 3.7 or higher
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- bash or zsh shell
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## License
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MIT License - see LICENSE file for details
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install.sh
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install.sh
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#!/usr/bin/env bash
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# Installer for pyron
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set -e
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# Configuration
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INSTALL_DIR="$HOME/.local/bin"
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SCRIPT_NAME="pyron.sh"
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# Create installation directory if it doesn't exist
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mkdir -p "$INSTALL_DIR"
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# Copy the script to the installation directory
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cp "$(dirname "$0")/$SCRIPT_NAME" "$INSTALL_DIR/$SCRIPT_NAME"
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# Make the script executable
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chmod +x "$INSTALL_DIR/$SCRIPT_NAME"
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# Detect shell and add source line to appropriate rc file
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add_source_line() {
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local rc_file="$1"
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local source_line="source $INSTALL_DIR/$SCRIPT_NAME"
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if ! grep -q "^$source_line" "$rc_file" 2>/dev/null; then
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echo "" >> "$rc_file"
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echo "# Added by pyron installer" >> "$rc_file"
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echo "$source_line" >> "$rc_file"
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echo "Added source line to $rc_file"
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else
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echo "Source line already exists in $rc_file"
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fi
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}
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# Add to appropriate shell configuration files
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if [ -f "$HOME/.zshrc" ]; then
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add_source_line "$HOME/.zshrc"
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fi
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if [ -f "$HOME/.bashrc" ]; then
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add_source_line "$HOME/.bashrc"
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fi
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echo "Installation complete! Please restart your shell or run:"
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echo " source $INSTALL_DIR/$SCRIPT_NAME"
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pyron.sh
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pyron.sh
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#!/usr/bin/env bash
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pyron() {
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# Default configuration
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VENV_NAME=".pyron"
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MIN_PYTHON_VERSION="3.7"
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# Function to compare version numbers
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version_compare() {
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printf '%s\n' "$1" "$2" | sort -V | head -n 1
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}
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# Function to check if we're in zsh
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is_zsh() {
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[ -n "$ZSH_VERSION" ]
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}
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# Function to get the appropriate activate script
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get_activate_script() {
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if is_zsh; then
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echo "source \"$VENV_NAME/bin/activate\""
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else
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echo ". \"$VENV_NAME/bin/activate\""
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fi
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}
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# Check if Python 3 is available
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if ! command -v python3 >/dev/null 2>&1; then
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echo "Error: Python 3 is not installed or not in PATH" >&2
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return 1
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fi
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# Check Python version
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PYTHON_VERSION=$(python3 -c 'import sys; print(".".join(map(str, sys.version_info[:2])))')
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if [ "$(version_compare "$PYTHON_VERSION" "$MIN_PYTHON_VERSION")" = "$PYTHON_VERSION" ]; then
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echo "Error: Python $MIN_PYTHON_VERSION or higher is required (found $PYTHON_VERSION)" >&2
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return 1
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fi
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# Create or activate the virtual environment
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if [ ! -d "$VENV_NAME" ]; then
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echo "Creating new virtual environment '$VENV_NAME'..."
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python3 -m venv "$VENV_NAME" || {
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echo "Error: Failed to create virtual environment" >&2
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return 1
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}
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eval "$(get_activate_script)" || {
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echo "Error: Failed to activate virtual environment" >&2
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return 1
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}
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pip install --upgrade pip || {
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echo "Error: Failed to upgrade pip" >&2
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return 1
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}
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echo "Virtual environment created and activated successfully!"
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else
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echo "Found existing virtual environment '$VENV_NAME'"
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eval "$(get_activate_script)" || {
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echo "Error: Failed to activate virtual environment" >&2
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return 1
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}
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echo "Virtual environment activated successfully!"
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fi
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# Display environment information
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echo "Using Python: $(python --version)"
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echo "Using pip: $(pip --version)"
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echo "Environment location: $(which python)"
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}
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# Make the function available in the current shell
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# No need for export -f as sourcing the script makes the function available