Python pydoc.Helper() Examples

The following are 30 code examples of pydoc.Helper(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pydoc , or try the search function .
Example #1
Source File: test_pydoc.py    From android_universal with MIT License 6 votes vote down vote up
def test_virtualClassAttributeWithOneMeta(self):
        class Meta(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'LIFE']
            def __getattr__(self, name):
                if name =='LIFE':
                    return 42
                return super().__getattr(name)
        class Class(metaclass=Meta):
            pass
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class)
        expected_text = expected_virtualattribute_pattern1 % __name__
        result = output.getvalue().strip()
        self.assertEqual(expected_text, result) 
Example #2
Source File: test_pydoc.py    From Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up
def test_virtualClassAttributeWithOneMeta(self):
        class Meta(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'LIFE']
            def __getattr__(self, name):
                if name =='LIFE':
                    return 42
                return super().__getattr(name)
        class Class(metaclass=Meta):
            pass
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class)
        expected_text = expected_virtualattribute_pattern1 % __name__
        result = output.getvalue().strip()
        self.assertEqual(expected_text, result) 
Example #3
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 6 votes vote down vote up
def test_virtualClassAttributeWithOneMeta(self):
        class Meta(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'LIFE']
            def __getattr__(self, name):
                if name =='LIFE':
                    return 42
                return super().__getattr(name)
        class Class(metaclass=Meta):
            pass
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class)
        expected_text = expected_virtualattribute_pattern1 % __name__
        result = output.getvalue().strip()
        self.assertEqual(expected_text, result) 
Example #4
Source File: test_pydoc.py    From ironpython3 with Apache License 2.0 6 votes vote down vote up
def test_virtualClassAttributeWithOneMeta(self):
        class Meta(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'LIFE']
            def __getattr__(self, name):
                if name =='LIFE':
                    return 42
                return super().__getattr(name)
        class Class(metaclass=Meta):
            pass
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class)
        expected_text = expected_virtualattribute_pattern1 % __name__
        result = output.getvalue().strip()
        if result != expected_text:
            print_diffs(expected_text, result)
            self.fail("outputs are not equal, see diff above") 
Example #5
Source File: dot15926.py    From dot15926 with GNU Lesser General Public License v3.0 6 votes vote down vote up
def listmodules(self, key=''):
        if key != '':
            pydoc.Helper.listmodules(self, key)
        else:
            self.output.write('''
Please wait a moment while I gather a list of all available modules...

''')
            modules = []
            for module_loader, name, ispkg in pkgutil.iter_modules():
                if '__main__' in name or '__init__' in name:
                    continue
                modules.append(name)
            self.list(modules)
            self.output.write('''
Enter any module name to get more help.  Or, type "modules spam" to search
for modules whose descriptions contain the word "spam".
''') 
Example #6
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_modules(self):
        # See Helper.listmodules().
        num_header_lines = 2
        num_module_lines_min = 5  # Playing it safe.
        num_footer_lines = 3
        expected = num_header_lines + num_module_lines_min + num_footer_lines

        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper('modules')
        result = output.getvalue().strip()
        num_lines = len(result.splitlines())

        self.assertGreaterEqual(num_lines, expected) 
Example #7
Source File: query.py    From insights-core with Apache License 2.0 5 votes vote down vote up
def get_pydoc(spec):
    obj = load_obj(spec)
    if obj:
        output = StringIO()
        pydoc.Helper(output=output).help(obj)
        output.seek(0)
        return output.read() 
Example #8
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_modules_search(self):
        # See Helper.listmodules().
        expected = 'pydoc - '

        output = StringIO()
        helper = pydoc.Helper(output=output)
        with captured_stdout() as help_io:
            helper('modules pydoc')
        result = help_io.getvalue()

        self.assertIn(expected, result) 
Example #9
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_modules_search_builtin(self):
        expected = 'gc - '

        output = StringIO()
        helper = pydoc.Helper(output=output)
        with captured_stdout() as help_io:
            helper('modules garbage')
        result = help_io.getvalue()

        self.assertTrue(result.startswith(expected)) 
Example #10
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_keywords(self):
        self.assertEqual(sorted(pydoc.Helper.keywords),
                         sorted(keyword.kwlist)) 
Example #11
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_virtualClassAttributeWithTwoMeta(self):
        class Meta1(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'one']
            def __getattr__(self, name):
                if name =='one':
                    return 1
                return super().__getattr__(name)
        class Meta2(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'two']
            def __getattr__(self, name):
                if name =='two':
                    return 2
                return super().__getattr__(name)
        class Meta3(Meta1, Meta2):
            def __dir__(cls):
                return list(sorted(set(
                    ['__class__', '__module__', '__name__', 'three'] +
                    Meta1.__dir__(cls) + Meta2.__dir__(cls))))
            def __getattr__(self, name):
                if name =='three':
                    return 3
                return super().__getattr__(name)
        class Class1(metaclass=Meta1):
            pass
        class Class2(Class1, metaclass=Meta3):
            pass
        fail1 = fail2 = False
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class1)
        expected_text1 = expected_virtualattribute_pattern2 % __name__
        result1 = output.getvalue().strip()
        self.assertEqual(expected_text1, result1)
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class2)
        expected_text2 = expected_virtualattribute_pattern3 % __name__
        result2 = output.getvalue().strip()
        self.assertEqual(expected_text2, result2) 
Example #12
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_buggy_dir(self):
        class M(type):
            def __dir__(cls):
                return ['__class__', '__name__', 'missing', 'here']
        class C(metaclass=M):
            here = 'present!'
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(C)
        expected_text = expected_missingattribute_pattern % __name__
        result = output.getvalue().strip()
        self.assertEqual(expected_text, result) 
Example #13
Source File: test_enum.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_pydoc(self):
        # indirectly test __objclass__
        if StrEnum.__doc__ is None:
            expected_text = expected_help_output_without_docs % __name__
        else:
            expected_text = expected_help_output_with_docs % __name__
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(self.Color)
        result = output.getvalue().strip()
        self.assertEqual(result, expected_text) 
Example #14
Source File: test_pydoc.py    From android_universal with MIT License 5 votes vote down vote up
def test_help_output_redirect(self):
        # issue 940286, if output is set in Helper, then all output from
        # Helper.help should be redirected
        old_pattern = expected_text_pattern
        getpager_old = pydoc.getpager
        getpager_new = lambda: (lambda x: x)
        self.maxDiff = None

        buf = StringIO()
        helper = pydoc.Helper(output=buf)
        unused, doc_loc = get_pydoc_text(pydoc_mod)
        module = "test.pydoc_mod"
        help_header = """
        Help on module test.pydoc_mod in test:

        """.lstrip()
        help_header = textwrap.dedent(help_header)
        expected_help_pattern = help_header + expected_text_pattern

        pydoc.getpager = getpager_new
        try:
            with captured_output('stdout') as output, \
                 captured_output('stderr') as err:
                helper.help(module)
                result = buf.getvalue().strip()
                expected_text = expected_help_pattern % (
                                (doc_loc,) +
                                expected_text_data_docstrings +
                                (inspect.getabsfile(pydoc_mod),))
                self.assertEqual('', output.getvalue())
                self.assertEqual('', err.getvalue())
                self.assertEqual(expected_text, result)
        finally:
            pydoc.getpager = getpager_old 
Example #15
Source File: test_pydoc.py    From android_universal with MIT License 5 votes vote down vote up
def test_modules(self):
        # See Helper.listmodules().
        num_header_lines = 2
        num_module_lines_min = 5  # Playing it safe.
        num_footer_lines = 3
        expected = num_header_lines + num_module_lines_min + num_footer_lines

        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper('modules')
        result = output.getvalue().strip()
        num_lines = len(result.splitlines())

        self.assertGreaterEqual(num_lines, expected) 
Example #16
Source File: test_pydoc.py    From android_universal with MIT License 5 votes vote down vote up
def test_modules_search(self):
        # See Helper.listmodules().
        expected = 'pydoc - '

        output = StringIO()
        helper = pydoc.Helper(output=output)
        with captured_stdout() as help_io:
            helper('modules pydoc')
        result = help_io.getvalue()

        self.assertIn(expected, result) 
Example #17
Source File: test_pydoc.py    From android_universal with MIT License 5 votes vote down vote up
def test_modules_search_builtin(self):
        expected = 'gc - '

        output = StringIO()
        helper = pydoc.Helper(output=output)
        with captured_stdout() as help_io:
            helper('modules garbage')
        result = help_io.getvalue()

        self.assertTrue(result.startswith(expected)) 
Example #18
Source File: test_pydoc.py    From android_universal with MIT License 5 votes vote down vote up
def test_keywords(self):
        self.assertEqual(sorted(pydoc.Helper.keywords),
                         sorted(keyword.kwlist)) 
Example #19
Source File: test_pydoc.py    From android_universal with MIT License 5 votes vote down vote up
def test_virtualClassAttributeWithTwoMeta(self):
        class Meta1(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'one']
            def __getattr__(self, name):
                if name =='one':
                    return 1
                return super().__getattr__(name)
        class Meta2(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'two']
            def __getattr__(self, name):
                if name =='two':
                    return 2
                return super().__getattr__(name)
        class Meta3(Meta1, Meta2):
            def __dir__(cls):
                return list(sorted(set(
                    ['__class__', '__module__', '__name__', 'three'] +
                    Meta1.__dir__(cls) + Meta2.__dir__(cls))))
            def __getattr__(self, name):
                if name =='three':
                    return 3
                return super().__getattr__(name)
        class Class1(metaclass=Meta1):
            pass
        class Class2(Class1, metaclass=Meta3):
            pass
        fail1 = fail2 = False
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class1)
        expected_text1 = expected_virtualattribute_pattern2 % __name__
        result1 = output.getvalue().strip()
        self.assertEqual(expected_text1, result1)
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class2)
        expected_text2 = expected_virtualattribute_pattern3 % __name__
        result2 = output.getvalue().strip()
        self.assertEqual(expected_text2, result2) 
Example #20
Source File: test_pydoc.py    From android_universal with MIT License 5 votes vote down vote up
def test_buggy_dir(self):
        class M(type):
            def __dir__(cls):
                return ['__class__', '__name__', 'missing', 'here']
        class C(metaclass=M):
            here = 'present!'
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(C)
        expected_text = expected_missingattribute_pattern % __name__
        result = output.getvalue().strip()
        self.assertEqual(expected_text, result) 
Example #21
Source File: test_pydoc.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up
def test_modules(self):
        # See Helper.listmodules().
        num_header_lines = 2
        num_module_lines_min = 5  # Playing it safe.
        num_footer_lines = 3
        expected = num_header_lines + num_module_lines_min + num_footer_lines

        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper('modules')
        result = output.getvalue().strip()
        num_lines = len(result.splitlines())

        self.assertGreaterEqual(num_lines, expected) 
Example #22
Source File: test_pydoc.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_modules(self):
        # See Helper.listmodules().
        num_header_lines = 2
        num_module_lines_min = 5  # Playing it safe.
        num_footer_lines = 3
        expected = num_header_lines + num_module_lines_min + num_footer_lines

        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper('modules')
        result = output.getvalue().strip()
        num_lines = len(result.splitlines())

        self.assertGreaterEqual(num_lines, expected) 
Example #23
Source File: test_pydoc.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_modules_search(self):
        # See Helper.listmodules().
        expected = 'pydoc - '

        output = StringIO()
        helper = pydoc.Helper(output=output)
        with captured_stdout() as help_io:
            helper('modules pydoc')
        result = help_io.getvalue()

        self.assertIn(expected, result) 
Example #24
Source File: test_pydoc.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_modules_search_builtin(self):
        expected = 'gc - '

        output = StringIO()
        helper = pydoc.Helper(output=output)
        with captured_stdout() as help_io:
            helper('modules garbage')
        result = help_io.getvalue()

        self.assertTrue(result.startswith(expected)) 
Example #25
Source File: test_pydoc.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_keywords(self):
        self.assertEqual(sorted(pydoc.Helper.keywords),
                         sorted(keyword.kwlist)) 
Example #26
Source File: test_pydoc.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_virtualClassAttributeWithTwoMeta(self):
        class Meta1(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'one']
            def __getattr__(self, name):
                if name =='one':
                    return 1
                return super().__getattr__(name)
        class Meta2(type):
            def __dir__(cls):
                return ['__class__', '__module__', '__name__', 'two']
            def __getattr__(self, name):
                if name =='two':
                    return 2
                return super().__getattr__(name)
        class Meta3(Meta1, Meta2):
            def __dir__(cls):
                return list(sorted(set(
                    ['__class__', '__module__', '__name__', 'three'] +
                    Meta1.__dir__(cls) + Meta2.__dir__(cls))))
            def __getattr__(self, name):
                if name =='three':
                    return 3
                return super().__getattr__(name)
        class Class1(metaclass=Meta1):
            pass
        class Class2(Class1, metaclass=Meta3):
            pass
        fail1 = fail2 = False
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class1)
        expected_text1 = expected_virtualattribute_pattern2 % __name__
        result1 = output.getvalue().strip()
        self.assertEqual(expected_text1, result1)
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(Class2)
        expected_text2 = expected_virtualattribute_pattern3 % __name__
        result2 = output.getvalue().strip()
        self.assertEqual(expected_text2, result2) 
Example #27
Source File: test_pydoc.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_buggy_dir(self):
        class M(type):
            def __dir__(cls):
                return ['__class__', '__name__', 'missing', 'here']
        class C(metaclass=M):
            here = 'present!'
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(C)
        expected_text = expected_missingattribute_pattern % __name__
        result = output.getvalue().strip()
        self.assertEqual(expected_text, result) 
Example #28
Source File: test_enum.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_pydoc(self):
        # indirectly test __objclass__
        if StrEnum.__doc__ is None:
            expected_text = expected_help_output_without_docs % __name__
        else:
            expected_text = expected_help_output_with_docs % __name__
        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper(self.Color)
        result = output.getvalue().strip()
        self.assertEqual(result, expected_text) 
Example #29
Source File: test_pydoc.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up
def test_help_output_redirect(self):
        # issue 940286, if output is set in Helper, then all output from
        # Helper.help should be redirected
        old_pattern = expected_text_pattern
        getpager_old = pydoc.getpager
        getpager_new = lambda: (lambda x: x)
        self.maxDiff = None

        buf = StringIO()
        helper = pydoc.Helper(output=buf)
        unused, doc_loc = get_pydoc_text(pydoc_mod)
        module = "test.pydoc_mod"
        help_header = """
        Help on module test.pydoc_mod in test:

        """.lstrip()
        help_header = textwrap.dedent(help_header)
        expected_help_pattern = help_header + expected_text_pattern

        pydoc.getpager = getpager_new
        try:
            with captured_output('stdout') as output, \
                 captured_output('stderr') as err:
                helper.help(module)
                result = buf.getvalue().strip()
                expected_text = expected_help_pattern % (
                                (doc_loc,) +
                                expected_text_data_docstrings +
                                (inspect.getabsfile(pydoc_mod),))
                self.assertEqual('', output.getvalue())
                self.assertEqual('', err.getvalue())
                self.assertEqual(expected_text, result)
        finally:
            pydoc.getpager = getpager_old 
Example #30
Source File: test_pydoc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_help_output_redirect(self):
        # issue 940286, if output is set in Helper, then all output from
        # Helper.help should be redirected
        old_pattern = expected_text_pattern
        getpager_old = pydoc.getpager
        getpager_new = lambda: (lambda x: x)
        self.maxDiff = None

        buf = StringIO()
        helper = pydoc.Helper(output=buf)
        unused, doc_loc = get_pydoc_text(pydoc_mod)
        module = "test.pydoc_mod"
        help_header = """
        Help on module test.pydoc_mod in test:

        """.lstrip()
        help_header = textwrap.dedent(help_header)
        expected_help_pattern = help_header + expected_text_pattern

        pydoc.getpager = getpager_new
        try:
            with captured_output('stdout') as output, \
                 captured_output('stderr') as err:
                helper.help(module)
                result = buf.getvalue().strip()
                expected_text = expected_help_pattern % (
                                (doc_loc,) +
                                expected_text_data_docstrings +
                                (inspect.getabsfile(pydoc_mod),))
                self.assertEqual('', output.getvalue())
                self.assertEqual('', err.getvalue())
                self.assertEqual(expected_text, result)
        finally:
            pydoc.getpager = getpager_old