class Dependabot::Python::FileUpdater::PyprojectPreparer

def update_python_requirement(requirement)
  pyproject_object = TomlRB.parse(@pyproject_content)
  if (python_specification = pyproject_object.dig("tool", "poetry", "dependencies", "python"))
    python_req = Python::Requirement.new(python_specification)
    unless python_req.satisfied_by?(requirement)
      pyproject_object["tool"]["poetry"]["dependencies"]["python"] = "~#{requirement}"
    end
  end
  TomlRB.dump(pyproject_object)
end