How to use the setupmeta.stringify function in setupmeta

def test_stringify():
    assert setupmeta.stringify((1, 2)) == '("1", "2")'
    assert setupmeta.stringify(["1", "2"]) == '["1", "2"]'
    assert setupmeta.stringify(("a b", "c d")) == '("a b", "c d")'

    assert setupmeta.stringify("""quoted ("double"+'single')""", quote=True) == """'quoted ("double"+'single')'"""
    assert setupmeta.stringify("""quoted 'single only'""", quote=True) == '''"quoted 'single only'"'''
    assert setupmeta.stringify("no 'foo'") == "no 'foo'"
    assert setupmeta.stringify("no 'foo'", quote=True) == '''"no 'foo'"'''

    assert setupmeta.stringify({"bar": "no 'foo'"}) == """{bar: no 'foo'}"""
    assert setupmeta.stringify({"bar": 'no "foo"'}) == """{bar: no "foo"}"""

    assert setupmeta.listify("a b") == ["a", "b"]
    assert sorted(setupmeta.listify(set("ab"))) == ["a", "b"]
    assert setupmeta.listify(("a", "b")) == ["a", "b"]

def longest_line(lines, maximum=70):
    lines = [setupmeta.stringify(line) for line in lines]
    longest = max(len(line) for line in lines if "\n" not in line)
    return min(longest, maximum)

def formatted(branches, main, separator, extra):
        if isinstance(branches, list):
            branches = ",".join(branches)

        result = ""
        if main:
            result += setupmeta.stringify(main)

        if result or extra:
            result += setupmeta.stringify(separator)

        if extra:
            result += setupmeta.stringify(extra)

        if branches:
            result = "branch(%s):%s" % (branches, result)

        return result

def show_expanded_python(self):
        """Copy-pastable setup.py, if one wants to get rid of setupmeta"""
        definitions = self.setupmeta.definitions
        print('"""\nGenerated by https://pypi.org/project/setupmeta/\n"""\n')
        print("from setuptools import setup\n\n")

        version = definitions.get("version")
        if version:
            print('__version__ = %s\n\n' % setupmeta.stringify(version.value, quote=True))

        print("setup(")

        defs = []
        for definition in sorted(definitions.values()):
            if not definition.value or definition.key not in setupmeta.MetaDefs.all_fields:
                continue

            if definition.key == "setup_requires":
                # When expanding, remove mention of 'setupmeta',
                # as expansion is aimed at giving a people a way to get a setup.py as-if setupmeta didn't exist
                # ie: it's a way of easily getting rid of setupmeta (should the need arise)
                if "setupmeta" in definition.value:
                    definition.value.remove("setupmeta")

                if definition.value:

def formatted(branches, main, separator, extra):
        if isinstance(branches, list):
            branches = ",".join(branches)

        result = ""
        if main:
            result += setupmeta.stringify(main)

        if result or extra:
            result += setupmeta.stringify(separator)

        if extra:
            result += setupmeta.stringify(extra)

        if branches:
            result = "branch(%s):%s" % (branches, result)

        return result

print("setup(")

        defs = []
        for definition in sorted(definitions.values()):
            if not definition.value or definition.key not in setupmeta.MetaDefs.all_fields:
                continue

            if definition.key == "setup_requires":
                # When expanding, remove mention of 'setupmeta',
                # as expansion is aimed at giving a people a way to get a setup.py as-if setupmeta didn't exist
                # ie: it's a way of easily getting rid of setupmeta (should the need arise)
                if "setupmeta" in definition.value:
                    definition.value.remove("setupmeta")

                if definition.value:
                    definition.value = setupmeta.stringify(definition.value, quote=True, indent="        ")

            elif definition.key == "download_url":
                if version and version.value in definition.value:
                    definition.value = definition.value.replace(version.value, "%s")
                    definition.value = "%s %% __version__" % setupmeta.stringify(setupmeta.short(definition.value), quote=True)

                else:
                    definition.value = setupmeta.stringify(definition.value, quote=True, indent="        ")

            elif definition.key == "long_description":
                definition.value = 'open(%s).read()' % setupmeta.stringify(setupmeta.short(definition.source), quote=True)

            elif definition.key == "version":
                definition.value = "__version__"

            elif definition.key != "include_package_data":