def _generate_restapi()

in chalice/package.py [0:0]
53 lines of code
3 McCabe index (conditional complexity)

    def _generate_restapi(self, resource, template):
        # type: (models.RestAPI, Dict[str, Any]) -> None
        resources = template['Resources']
        resources['RestAPI'] = {
            'Type': 'AWS::Serverless::Api',
            'Properties': {
                'EndpointConfiguration': resource.endpoint_type,
                'StageName': resource.api_gateway_stage,
                'DefinitionBody': resource.swagger_doc,
            }
        }
        if resource.minimum_compression:
            properties = resources['RestAPI']['Properties']
            properties['MinimumCompressionSize'] = \
                int(resource.minimum_compression)

        handler_cfn_name = to_cfn_resource_name(
            resource.lambda_function.resource_name)
        api_handler = template['Resources'].pop(handler_cfn_name)
        template['Resources']['APIHandler'] = api_handler
        resources['APIHandlerInvokePermission'] = {
            'Type': 'AWS::Lambda::Permission',
            'Properties': {
                'FunctionName': {'Ref': 'APIHandler'},
                'Action': 'lambda:InvokeFunction',
                'Principal': self._options.service_principal('apigateway'),
                'SourceArn': {
                    'Fn::Sub': [
                        ('arn:${AWS::Partition}:execute-api:${AWS::Region}'
                         ':${AWS::AccountId}:${RestAPIId}/*'),
                        {'RestAPIId': {'Ref': 'RestAPI'}},
                    ]
                },
            }
        }
        for auth in resource.authorizers:
            auth_cfn_name = to_cfn_resource_name(auth.resource_name)
            resources[auth_cfn_name + 'InvokePermission'] = {
                'Type': 'AWS::Lambda::Permission',
                'Properties': {
                    'FunctionName': {'Fn::GetAtt': [auth_cfn_name, 'Arn']},
                    'Action': 'lambda:InvokeFunction',
                    'Principal': self._options.service_principal('apigateway'),
                    'SourceArn': {
                        'Fn::Sub': [
                            ('arn:${AWS::Partition}:execute-api'
                             ':${AWS::Region}:${AWS::AccountId}'
                             ':${RestAPIId}/*'),
                            {'RestAPIId': {'Ref': 'RestAPI'}},
                        ]
                    },
                }
            }
        self._add_domain_name(resource, template)
        self._inject_restapi_outputs(template)