How to use dlint - 10 common examples

linter = get_bad_module_attribute_use_implementation({
            'm1.m2.m3.m4': ['bad_attribute'],
            'm2.m3.m4': ['bad_attribute'],
            'm3.m4': ['bad_attribute'],
            'm4': ['bad_attribute'],
        })
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=7,
                col_offset=0,
                message=linter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=8,
                col_offset=0,
                message=linter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=9,
                col_offset=0,
                message=linter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=10,
                col_offset=0,
                message=linter._error_tmpl
            )
        ]

def test_bad_attribute_usage(self):
        python_node = self.get_ast_node(
            """
            import random

            var = random.random()
            """
        )

        linter = dlint.linters.BadRandomGeneratorUseLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=4,
                col_offset=6,
                message=dlint.linters.BadRandomGeneratorUseLinter._error_tmpl
            )
        ]

        assert result == expected

python_node = self.get_ast_node(
            """
            from twisted.internet.defer import inlineCallbacks

            @inlineCallbacks
            def func(arg):
                return arg
            """
        )

        linter = dlint.linters.YieldReturnStatementLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [] if IS_PYTHON_3_3 else [
            dlint.linters.base.Flake8Result(
                lineno=6,
                col_offset=4,
                message=dlint.linters.YieldReturnStatementLinter._error_tmpl
            )
        ]

        assert result == expected

def test_bad_compile_usage(self):
        python_node = self.get_ast_node(
            """
            var = 1

            result = compile('var + 1', '', 'eval')
            """
        )

        linter = dlint.linters.BadCompileUseLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=4,
                col_offset=9,
                message=dlint.linters.BadCompileUseLinter._error_tmpl
            )
        ]

        assert result == expected

python_node = self.get_ast_node(
            """
            import foo

            var = 'echo "TEST"'

            foo.bar(var)
            """
        )

        linter = get_bad_module_attribute_use_implementation({'foo': ['bar']})
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=6,
                col_offset=0,
                message=linter._error_tmpl
            )
        ]

        assert result == expected

OneLogin_Saml2_Utils.validate_node_sign()
            OneLogin_Saml2_Utils.validate_node_sign(fingerprintalg="sha1")
            OneLogin_Saml2_Utils.validate_node_sign(fingerprintalg="sha256", validatecert=False)

            OneLogin_Saml2_Utils.validate_binary_sign()
            OneLogin_Saml2_Utils.validate_binary_sign(algorithm=OneLogin_Saml2_Constants.RSA_SHA1)
            OneLogin_Saml2_Utils.validate_binary_sign(algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1")
            """
        )

        linter = dlint.linters.BadOneLoginKwargUseLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=5,
                col_offset=0,
                message=dlint.linters.BadOneLoginKwargUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=6,
                col_offset=0,
                message=dlint.linters.BadOneLoginKwargUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=8,
                col_offset=0,
                message=dlint.linters.BadOneLoginKwargUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=9,

def test_bad_exec_usage(self):
        python_node = self.get_ast_node(
            """
            var = 1

            exec('print var + 1')
            """
        )

        linter = dlint.linters.BadExecUseLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=4,
                col_offset=0,
                message=dlint.linters.BadExecUseLinter._error_tmpl
            )
        ]

        assert result == expected

from ssl import CERT_NONE

            urllib3.PoolManager(cert_reqs="CERT_NONE")
            urllib3.ProxyManager(cert_reqs="CERT_NONE")
            urllib3.HTTPSConnectionPool(cert_reqs="NONE")
            urllib3.connection_from_url(cert_reqs=ssl.CERT_NONE)
            urllib3.proxy_from_url(cert_reqs=CERT_NONE)
            """
        )

        linter = dlint.linters.BadUrllib3KwargUseLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=6,
                col_offset=0,
                message=dlint.linters.BadUrllib3KwargUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=7,
                col_offset=0,
                message=dlint.linters.BadUrllib3KwargUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=8,
                col_offset=0,
                message=dlint.linters.BadUrllib3KwargUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=9,

"""
            from twisted.internet import defer

            def func(arg):
                if arg:
                    arg += 5

                @defer.inlineCallbacks
                def inner_func():
                    defer.returnValue('foo')

                defer.returnValue('qux')
            """
        )

        linter = dlint.linters.ReturnValueInInlineCallbacksLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=4,
                col_offset=0,
                message=dlint.linters.ReturnValueInInlineCallbacksLinter._error_tmpl
            )
        ]

        assert result == expected

linter = dlint.linters.BadRequestsUseLinter()
        linter.visit(python_node)

        result = linter.get_results()
        expected = [
            dlint.linters.base.Flake8Result(
                lineno=4,
                col_offset=0,
                message=dlint.linters.BadRequestsUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=5,
                col_offset=0,
                message=dlint.linters.BadRequestsUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=6,
                col_offset=0,
                message=dlint.linters.BadRequestsUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=7,
                col_offset=0,
                message=dlint.linters.BadRequestsUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=8,
                col_offset=0,
                message=dlint.linters.BadRequestsUseLinter._error_tmpl
            ),
            dlint.linters.base.Flake8Result(
                lineno=9,