Add DUMB License (#4058)

[alok1304]

Fixes #4058
github repo of DUMB: https://github.com/kode54/dumb?tab=License-1-ov-file

Tasks

• Reviewed contribution guidelines
• PR is descriptively titled 📑 and links the original issue above 🔗
• Tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR
  Run tests locally to check for errors.
• Commits are in uniquely-named feature branch and has no merge conflicts 📁
• Updated documentation pages (if applicable)
• Updated CHANGELOG.rst (if applicable)

Signed-off-by: Alok Kumar alokkumarjipura9973@gmail.com

[alok1304]

@pombredanne This test case is failing.

tests\licensedcode\test_detect.py F                                                                                             [100%]

============================================================== FAILURES ============================================================== 
_____________________ TestMatchAccuracyWithFullIndex.test_match_has_correct_line_positions_in_automake_perl_file _____________________ 

self = <test_detect.TestMatchAccuracyWithFullIndex testMethod=test_match_has_correct_line_positions_in_automake_perl_file>

    def test_match_has_correct_line_positions_in_automake_perl_file(self):
        # Reported as https://github.com/nexB/scancode-toolkit/issues/88
        # Note that this test is very sensitive to changes in the licenses data
        # set on purpose. Adding new license and/or frequent tokens will likely
        # make it fail In this case, review the new not-frequent tokens that
        # could be involved, eventually update the rule-side Span offset if this
        # looks acceptable below. Most cases just need to fix the test.
        expected = [
            # detected, match.lines(), match.qspan,
            ('gpl-2.0-plus', (12, 25), Span(48, 157)),
            ('fsf-unlimited-no-warranty', (231, 238), Span(964, 1027)),
            ('warranty-disclaimer', (306, 307), Span(1335, 1357)),
        ]
>       self.check_position('positions/automake.pl', expected)

tests\licensedcode\test_detect.py:1067:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  

self = <test_detect.TestMatchAccuracyWithFullIndex testMethod=test_match_has_correct_line_positions_in_automake_perl_file>
test_path = 'positions/automake.pl'
expected = [('gpl-2.0-plus', (12, 25), Span(48, 157)), ('fsf-unlimited-no-warranty', (231, 238), Span(964, 1027)), ('warranty-disclaimer', (306, 307), Span(1335, 1357))]
with_span = True

    def check_position(self, test_path, expected, with_span=True):
        """
        Check license detection in file or folder against expected result.
        Expected is a list of (license, lines span, qspan span) tuples.
        """
        test_location = self.get_test_loc(test_path)
        results = []
        # FULL INDEX!!
        idx = cache.get_index()
        matches = idx.match(test_location)
        for match in matches:
            for detected in match.rule.license_keys():
                results.append((detected, match.lines(), with_span and match.qspan or None))
>       assert results == expected
E       AssertionError: assert [('gpl-2.0-pl...(1349, 1371))] == [('gpl-2.0-pl...(1335, 1357))]
E
E         At index 0 diff: ('gpl-2.0-plus', (12, 25), Span(51, 160)) != ('gpl-2.0-plus', (12, 25), Span(48, 157))
E         Use -v to get more diff

tests\licensedcode\test_detect.py:922: AssertionError

[AyanSinhaMahapatra]

Thanks ++ @alok1304, see comments for your consideration.

[alok1304]

@AyanSinhaMahapatra Now, previous failing test cases are passed. :)