migrate from poetry to uv bash script

bye_poetry.sh

#!/bin/bash
# Not Tested, Generated by ChatGPT o1
# https://x.com/tiangolo/status/1839686032326836723

# Check if uv is in PATH
if ! command -v uv &> /dev/null
then
    echo "Error: uv is not installed or not in your PATH."
    echo "Please install uv before running this script."
    exit 1
fi

echo "uv is installed. Proceeding with migration..."

cp pyproject.toml pyproject.toml.backup
echo "old pyproject.toml is backuped as pyproject.toml.backup"

# Ensure that Python 3.11 or newer is being used
PYTHON_VERSION=$(python3 -c 'import sys; print(sys.version_info >= (3, 11))')
if [ "$PYTHON_VERSION" != "True" ]; then
    echo "Error: Python 3.11 or newer is required."
    exit 1
fi

# Step 1: Use uvx to import pyproject.toml
echo "Importing pyproject.toml using uvx..."
uvx pdm import pyproject.toml

# Step 2: Remove all [tool.poetry] sections from pyproject.toml
echo "Removing [tool.poetry] sections from pyproject.toml..."
python3 - << EOF
import tomllib
import tomli_w

with open('pyproject.toml', 'rb') as file:
    data = tomllib.load(file)

# Remove the [tool.poetry] section
if 'tool' in data and 'poetry' in data['tool']:
    del data['tool']['poetry']
    # If 'tool' is empty after deletion, remove it
    if not data['tool']:
        del data['tool']

with open('pyproject.toml', 'wb') as file:
    file.write(tomli_w.dumps(data).encode('utf-8'))
EOF

# Step 3: Modify dev dependencies section to [tool.uv]
echo "Modifying dev dependencies section to [tool.uv]..."
python3 - << EOF
import tomllib
import tomli_w

with open('pyproject.toml', 'rb') as file:
    data = tomllib.load(file)

# Extract dev dependencies from [tool.pdm.dev-dependencies]
dev_deps = data.get('tool', {}).get('pdm', {}).get('dev-dependencies', {})
dev = dev_deps.get('dev', [])

# Modify to [tool.uv] format
if dev:
    data.setdefault('tool', {}).setdefault('uv', {})['dev-dependencies'] = dev

    # Remove the original [tool.pdm.dev-dependencies] section
    if 'pdm' in data['tool']:
        del data['tool']['pdm']['dev-dependencies']
        # If 'pdm' is empty after deletion, remove it
        if not data['tool']['pdm']:
            del data['tool']['pdm']
    # If 'tool' is empty after deletion, remove it
    if not data['tool']:
        del data['tool']

with open('pyproject.toml', 'wb') as file:
    file.write(tomli_w.dumps(data).encode('utf-8'))
EOF

# Step 4: Run uv sync to set up the environment
echo "Running uv sync..."
uv sync

echo "Migration from Poetry to uv is complete."