Export poetry dependencies as requirements.txt

poetry_req.py

def export_poetry_dependencies(pyproject_path, requirements_path):
    # Flag to check if we are within the dependencies section
    in_dependencies = False

    with open(pyproject_path, "r") as pyproject_file, open(
        requirements_path, "w"
    ) as requirements_file:
        for line in pyproject_file:
            # Check for the start of the dependencies section
            if line.strip() == "[tool.poetry.dependencies]":
                in_dependencies = True
                continue

            # Check for the end of the dependencies section
            if in_dependencies and line.strip() == "":
                break

            # Write the dependency to requirements.txt
            if in_dependencies and line.strip() and not line.strip().startswith("#"):
                # Extracting package and version, assuming format 'package = "version"'
                parts = line.strip().split("=")
                if len(parts) == 2:
                    package = parts[0].strip()
                    version = parts[1].strip().strip('"')
                    if package.lower() != "python":
                        requirements_file.write(f"{package}=={version}\n")

# Usage
export_poetry_dependencies("pyproject.toml", "requirements.txt")