How to use mwparserfromhell - 10 common examples

def test_get_sections(self):
        """test Wikicode.get_sections()"""
        page1 = parse("")
        page2 = parse("==Heading==")
        page3 = parse("===Heading===\nFoo bar baz\n====Gnidaeh====\n")

        p4_lead = "This is a lead.\n"
        p4_IA = "=== Section I.A ===\nSection I.A [[body]].\n"
        p4_IB1 = "==== Section I.B.1 ====\nSection I.B.1 body.\n\n•Some content.\n\n"
        p4_IB = "=== Section I.B ===\n" + p4_IB1
        p4_I = "== Section I ==\nSection I body. {{and a|template}}\n" + p4_IA + p4_IB
        p4_II = "== Section II ==\nSection II body.\n\n"
        p4_IIIA1a = "===== Section III.A.1.a =====\nMore text.\n"
        p4_IIIA2ai1 = "======= Section III.A.2.a.i.1 =======\nAn invalid section!"
        p4_IIIA2 = "==== Section III.A.2 ====\nEven more text.\n" + p4_IIIA2ai1
        p4_IIIA = "=== Section III.A ===\nText.\n" + p4_IIIA1a + p4_IIIA2
        p4_III = "== Section III ==\n" + p4_IIIA
        page4 = parse(p4_lead + p4_I + p4_II + p4_III)

func(code2.get(1), "c", recursive=False)
        func("{{a}}", "d", recursive=False)
        func(code2.get(-1), "e", recursive=True)
        func("{{b}}", "f", recursive=True)
        self.assertEqual(expected[1], code2)

        code3 = parse("{{a|{{b}}|{{c|d={{f}}}}}}")
        func = partial(meth, code3)
        obj = code3.get(0).params[0].value.get(0)
        self.assertRaises(ValueError, func, obj, "x", recursive=False)
        func(obj, "x", recursive=True)
        self.assertRaises(ValueError, func, "{{f}}", "y", recursive=False)
        func("{{f}}", "y", recursive=True)
        self.assertEqual(expected[2], code3)

        code4 = parse("{{a}}{{b}}{{c}}{{d}}{{e}}{{f}}{{g}}{{h}}{{i}}{{j}}")
        func = partial(meth, code4)
        fake = parse("{{b}}{{c}}")
        self.assertRaises(ValueError, func, fake, "q", recursive=False)
        self.assertRaises(ValueError, func, fake, "q", recursive=True)
        func("{{b}}{{c}}", "w", recursive=False)
        func("{{d}}{{e}}", "x", recursive=True)
        func(Wikicode(code4.nodes[-2:]), "y", recursive=False)
        func(Wikicode(code4.nodes[-2:]), "z", recursive=True)
        self.assertEqual(expected[3], code4)
        self.assertRaises(ValueError, func, "{{c}}{{d}}", "q", recursive=False)
        self.assertRaises(ValueError, func, "{{c}}{{d}}", "q", recursive=True)

        code5 = parse("{{a|{{b}}{{c}}|{{f|{{g}}={{h}}{{i}}}}}}")
        func = partial(meth, code5)
        self.assertRaises(ValueError, func, "{{b}}{{c}}", "x", recursive=False)
        func("{{b}}{{c}}", "x", recursive=True)

pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])
        node30 = Template(wraptext("a\n"), [
            pgens("b ", "c\n"), pgens("d ", " e"), pgens("f ", "g\n"),
            pgens("h ", " i\n")])
        node31 = Template(wraptext("a"), [
            pgens("b  ", " c\n"), pgens("\nd  ", " e"), pgens("\nf  ", "g ")])
        node32 = Template(wraptext("a"), [
            pgens("\nb ", " c "), pgens("\nd ", " e "), pgens("\nf ", " g ")])
        node33 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("b", "f"), pgens("b", "h"),
                                          pgens("i", "j")])
        node34 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgens("1", "c"), pgens("2", "d")])
        node35 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgenh("1", "c"), pgenh("2", "d")])
        node36 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("f", "g")])
        node37 = Template(wraptext("a"), [pgenh("1", "")])
        node38 = Template(wraptext("abc"))
        node39 = Template(wraptext("a"), [pgenh("1", " b ")])
        node40 = Template(wraptext("a"), [pgenh("1", " b"), pgenh("2", " c")])
        node41 = Template(wraptext("a"), [pgens("1", " b"), pgens("2", " c")])
        node42 = Template(wraptext("a"), [pgens("b", "  \n")])

        node1.add("e", "f", showkey=True)
        node2.add(2, "g", showkey=False)
        node3.add("e", "foo|bar", showkey=True)
        node4.add("e", "f", showkey=True, before="b")
        node5.add("f", "g", showkey=True, before=" d     ")
        node6.add("f", "g", showkey=True, before="b")
        self.assertRaises(ValueError, node7.add, "e", "f", showkey=True,
                          before="q")

node26 = Template(wraptext("a"), [pgenh("1", "b")])
        node27 = Template(wraptext("a"), [pgenh("1", "b")])
        node28 = Template(wraptext("a"), [pgens("1", "b")])
        node29 = Template(wraptext("a"), [
            pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])
        node30 = Template(wraptext("a\n"), [
            pgens("b ", "c\n"), pgens("d ", " e"), pgens("f ", "g\n"),
            pgens("h ", " i\n")])
        node31 = Template(wraptext("a"), [
            pgens("b  ", " c\n"), pgens("\nd  ", " e"), pgens("\nf  ", "g ")])
        node32 = Template(wraptext("a"), [
            pgens("\nb ", " c "), pgens("\nd ", " e "), pgens("\nf ", " g ")])
        node33 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("b", "f"), pgens("b", "h"),
                                          pgens("i", "j")])
        node34 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgens("1", "c"), pgens("2", "d")])
        node35 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgenh("1", "c"), pgenh("2", "d")])
        node36 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("f", "g")])
        node37 = Template(wraptext("a"), [pgenh("1", "")])
        node38 = Template(wraptext("abc"))
        node39 = Template(wraptext("a"), [pgenh("1", " b ")])
        node40 = Template(wraptext("a"), [pgenh("1", " b"), pgenh("2", " c")])
        node41 = Template(wraptext("a"), [pgens("1", " b"), pgens("2", " c")])
        node42 = Template(wraptext("a"), [pgens("b", "  \n")])

        node1.add("e", "f", showkey=True)
        node2.add(2, "g", showkey=False)
        node3.add("e", "foo|bar", showkey=True)
        node4.add("e", "f", showkey=True, before="b")

def test_showtree(self):
        """test Template.__showtree__()"""
        output = []
        getter, marker = object(), object()
        get = lambda code: output.append((getter, code))
        mark = lambda: output.append(marker)
        node1 = Template(wraptext("foobar"))
        node2 = Template(wraptext("foo"),
                         [pgenh("1", "bar"), pgens("abc", "def")])
        node1.__showtree__(output.append, get, mark)
        node2.__showtree__(output.append, get, mark)
        valid = [
            "{{", (getter, node1.name), "}}", "{{", (getter, node2.name),
            "    | ", marker, (getter, node2.params[0].name), "    = ", marker,
            (getter, node2.params[0].value), "    | ", marker,
            (getter, node2.params[1].name), "    = ", marker,
            (getter, node2.params[1].value), "}}"]
        self.assertEqual(valid, output)

pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])
        node17 = Template(wraptext("foo"), [
            pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])
        node18 = Template(wraptext("foo"), [
            pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])
        node19 = Template(wraptext("foo"), [
            pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])
        node20 = Template(wraptext("foo"), [
            pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])
        node21 = Template(wraptext("foo"), [
            pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),
            pgens("a", "b")])
        node22 = Template(wraptext("foo"), [
            pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),
            pgens("a", "b")])
        node23 = Template(wraptext("foo"), [
            pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),
            pgens("a", "b")])
        node24 = Template(wraptext("foo"), [
            pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),
            pgens("a", "b")])
        node25 = Template(wraptext("foo"), [
            pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),
            pgens("a", "b")])
        node26 = Template(wraptext("foo"), [
            pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),
            pgens("a", "b")])
        node27 = Template(wraptext("foo"), [pgenh("1", "bar")])
        node28 = Template(wraptext("foo"), [pgenh("1", "bar")])

        node2.remove("1")
        node2.remove("abc")

tokens.Text(text="mno"), tokens.TagAttrEquals(),
              tokens.TagAttrQuote(char="'"), tokens.TemplateOpen(),
              tokens.Text(text="p"), tokens.TemplateClose(),
              tokens.Text(text=" "), tokens.WikilinkOpen(),
              tokens.Text(text="q"), tokens.WikilinkClose(),
              tokens.Text(text=" "), tokens.TemplateOpen(),
              tokens.Text(text="r"), tokens.TemplateClose(),
              tokens.TagCloseOpen(padding=""), tokens.WikilinkOpen(),
              tokens.Text(text="Source"), tokens.WikilinkClose(),
              tokens.TagOpenClose(), tokens.Text(text="ref"),
              tokens.TagCloseClose()],
             wrap([Tag(wraptext("ref"), wrap([Wikilink(wraptext("Source"))]), [
                    Attribute(wraptext("name"),
                              wrap([Template(wraptext("abc"))]), None),
                    Attribute(wraptext("foo"), wrap([Text("bar "),
                              Template(wraptext("baz"))]), pad_first="   "),
                    Attribute(wraptext("abc"), wrap([Template(wraptext("de")),
                              Text("f")]), None),
                    Attribute(wraptext("ghi"), wrap([Text("j"),
                              Template(wraptext("k")),
                              Template(wraptext("l"))]), None),
                    Attribute(wraptext("mno"), wrap([Template(wraptext("p")),
                              Text(" "), Wikilink(wraptext("q")), Text(" "),
                              Template(wraptext("r"))]), "'", " \n ", " ",
                              "  ")])])),

            # "''italic text''"
            ([tokens.TagOpenOpen(wiki_markup="''"), tokens.Text(text="i"),
              tokens.TagCloseOpen(), tokens.Text(text="italic text"),
              tokens.TagOpenClose(), tokens.Text(text="i"),
              tokens.TagCloseClose()],
             wrap([Tag(wraptext("i"), wraptext("italic text"),

node22 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),
                                          pgens("4", "d"), pgens("5", "e")])
        node23 = Template(wraptext("a"), [pgenh("1", "b")])
        node24 = Template(wraptext("a"), [pgenh("1", "b")])
        node25 = Template(wraptext("a"), [pgens("b", "c")])
        node26 = Template(wraptext("a"), [pgenh("1", "b")])
        node27 = Template(wraptext("a"), [pgenh("1", "b")])
        node28 = Template(wraptext("a"), [pgens("1", "b")])
        node29 = Template(wraptext("a"), [
            pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])
        node30 = Template(wraptext("a\n"), [
            pgens("b ", "c\n"), pgens("d ", " e"), pgens("f ", "g\n"),
            pgens("h ", " i\n")])
        node31 = Template(wraptext("a"), [
            pgens("b  ", " c\n"), pgens("\nd  ", " e"), pgens("\nf  ", "g ")])
        node32 = Template(wraptext("a"), [
            pgens("\nb ", " c "), pgens("\nd ", " e "), pgens("\nf ", " g ")])
        node33 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("b", "f"), pgens("b", "h"),
                                          pgens("i", "j")])
        node34 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgens("1", "c"), pgens("2", "d")])
        node35 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgenh("1", "c"), pgenh("2", "d")])
        node36 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("f", "g")])
        node37 = Template(wraptext("a"), [pgenh("1", "")])
        node38 = Template(wraptext("abc"))
        node39 = Template(wraptext("a"), [pgenh("1", " b ")])
        node40 = Template(wraptext("a"), [pgenh("1", " b"), pgenh("2", " c")])
        node41 = Template(wraptext("a"), [pgens("1", " b"), pgens("2", " c")])
        node42 = Template(wraptext("a"), [pgens("b", "  \n")])

tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
              tokens.TemplateClose()],
             wrap([Template(wraptext("foo"), params=[
                 Parameter(wraptext("1"), wraptext("bar"), showkey=False)])])),

            ([tokens.TemplateOpen(), tokens.Text(text="foo"),
              tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
              tokens.TemplateParamEquals(), tokens.Text(text="baz"),
              tokens.TemplateClose()],
             wrap([Template(wraptext("foo"), params=[
                 Parameter(wraptext("bar"), wraptext("baz"))])])),

            ([tokens.TemplateOpen(), tokens.TemplateParamSeparator(),
              tokens.TemplateParamSeparator(), tokens.TemplateParamEquals(),
              tokens.TemplateParamSeparator(), tokens.TemplateClose()],
             wrap([Template(wrap([]), params=[
                 Parameter(wraptext("1"), wrap([]), showkey=False),
                 Parameter(wrap([]), wrap([]), showkey=True),
                 Parameter(wraptext("2"), wrap([]), showkey=False)])])),

            ([tokens.TemplateOpen(), tokens.Text(text="foo"),
              tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
              tokens.TemplateParamEquals(), tokens.Text(text="baz"),
              tokens.TemplateParamSeparator(), tokens.Text(text="biz"),
              tokens.TemplateParamSeparator(), tokens.Text(text="buzz"),
              tokens.TemplateParamSeparator(), tokens.Text(text="3"),
              tokens.TemplateParamEquals(), tokens.Text(text="buff"),
              tokens.TemplateParamSeparator(), tokens.Text(text="baff"),
              tokens.TemplateClose()],
             wrap([Template(wraptext("foo"), params=[
                 Parameter(wraptext("bar"), wraptext("baz")),
                 Parameter(wraptext("1"), wraptext("biz"), showkey=False),

node31 = Template(wraptext("a"), [
            pgens("b  ", " c\n"), pgens("\nd  ", " e"), pgens("\nf  ", "g ")])
        node32 = Template(wraptext("a"), [
            pgens("\nb ", " c "), pgens("\nd ", " e "), pgens("\nf ", " g ")])
        node33 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("b", "f"), pgens("b", "h"),
                                          pgens("i", "j")])
        node34 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgens("1", "c"), pgens("2", "d")])
        node35 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
                                          pgenh("1", "c"), pgenh("2", "d")])
        node36 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
                                          pgens("f", "g")])
        node37 = Template(wraptext("a"), [pgenh("1", "")])
        node38 = Template(wraptext("abc"))
        node39 = Template(wraptext("a"), [pgenh("1", " b ")])
        node40 = Template(wraptext("a"), [pgenh("1", " b"), pgenh("2", " c")])
        node41 = Template(wraptext("a"), [pgens("1", " b"), pgens("2", " c")])
        node42 = Template(wraptext("a"), [pgens("b", "  \n")])

        node1.add("e", "f", showkey=True)
        node2.add(2, "g", showkey=False)
        node3.add("e", "foo|bar", showkey=True)
        node4.add("e", "f", showkey=True, before="b")
        node5.add("f", "g", showkey=True, before=" d     ")
        node6.add("f", "g", showkey=True, before="b")
        self.assertRaises(ValueError, node7.add, "e", "f", showkey=True,
                          before="q")
        node8.add("e", "f", showkey=True, before=node8p)
        node9.add("e", "f", showkey=True, before=pgenh("1", "d"))
        self.assertRaises(ValueError, node10.add, "e", "f", showkey=True,
                          before=pgenh("1", "d"))