BoghdadyJR/codesearch_python · Data Studio

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def _compute_layer_name(is_defined_within_template, arn): """ Computes a unique name based on the LayerVersion Arn Format: <Name of the LayerVersion>-<Version of the LayerVersion>-<sha256 of the arn> Parameters ---------- is_defined_within_template bool ...
def mkdir_temp(mode=0o755): """ Context manager that makes a temporary directory and yields it name. Directory is deleted after the context exits Parameters ---------- mode : octal Permissions to apply to the directory. Defaults to '755' because don't want directories world writable ...
def stdout(): """ Returns the stdout as a byte stream in a Py2/PY3 compatible manner Returns ------- io.BytesIO Byte stream of Stdout """ # We write all of the data to stdout with bytes, typically io.BytesIO. stdout in Python2 # accepts bytes but Python3 does not. This is due t...
def stderr(): """ Returns the stderr as a byte stream in a Py2/PY3 compatible manner Returns ------- io.BytesIO Byte stream of stderr """ # We write all of the data to stderr with bytes, typically io.BytesIO. stderr in Python2 # accepts bytes but Python3 does not. This is due t...
def download_all(self, layers, force=False): """ Download a list of layers to the cache Parameters ---------- layers list(samcli.commands.local.lib.provider.Layer) List of Layers representing the layer to be downloaded force bool True to download ...
def download(self, layer, force=False): """ Download a given layer to the local cache. Parameters ---------- layer samcli.commands.local.lib.provider.Layer Layer representing the layer to be downloaded. force bool True to download the layer even i...
def _fetch_layer_uri(self, layer): """ Fetch the Layer Uri based on the LayerVersion Arn Parameters ---------- layer samcli.commands.local.lib.provider.LayerVersion LayerVersion to fetch Returns ------- str The Uri to download the...
def _create_cache(layer_cache): """ Create the Cache directory if it does not exist. Parameters ---------- layer_cache Directory to where the layers should be cached Returns ------- None """ Path(layer_cache).mkdir(mode=0o700...
def is_valid(self): """ Runs the SAM Translator to determine if the template provided is valid. This is similar to running a ChangeSet in CloudFormation for a SAM Template Raises ------- InvalidSamDocumentException If the template is not valid, an InvalidSam...
def _replace_local_codeuri(self): """ Replaces the CodeUri in AWS::Serverless::Function and DefinitionUri in AWS::Serverless::Api to a fake S3 Uri. This is to support running the SAM Translator with valid values for these fields. If this in not done, the template is invalid in the eyes o...
def _update_to_s3_uri(property_key, resource_property_dict, s3_uri_value="s3://bucket/value"): """ Updates the 'property_key' in the 'resource_property_dict' to the value of 's3_uri_value' Note: The function will mutate the resource_property_dict that is pass in Parameters ----...
def formatter(self): """ Creates and returns a Formatter capable of nicely formatting Lambda function logs Returns ------- LogsFormatter """ formatter_chain = [ LambdaLogMsgFormatters.colorize_errors, # Format JSON "before" highlighting t...
def log_group_name(self): """ Name of the AWS CloudWatch Log Group that we will be querying. It generates the name based on the Lambda Function name and stack name provided. Returns ------- str Name of the CloudWatch Log Group """ function_id...
def _parse_time(time_str, property_name): """ Parse the time from the given string, convert to UTC, and return the datetime object Parameters ---------- time_str : str The time to parse property_name : str Name of the property where this time cam...
def _get_resource_id_from_stack(cfn_client, stack_name, logical_id): """ Given the LogicalID of a resource, call AWS CloudFormation to get physical ID of the resource within the specified stack. Parameters ---------- cfn_client CloudFormation client provided ...
def get_template(template_dict, parameter_overrides=None): """ Given a SAM template dictionary, return a cleaned copy of the template where SAM plugins have been run and parameter values have been substituted. Parameters ---------- template_dict : dict unproc...
def _resolve_parameters(template_dict, parameter_overrides): """ In the given template, apply parameter values to resolve intrinsic functions Parameters ---------- template_dict : dict SAM Template parameter_overrides : dict Values for template p...
def _get_parameter_values(template_dict, parameter_overrides): """ Construct a final list of values for CloudFormation template parameters based on user-supplied values, default values provided in template, and sane defaults for pseudo-parameters. Parameters ---------- t...
def _get_default_parameter_values(sam_template): """ Method to read default values for template parameters and return it Example: If the template contains the following parameters defined Parameters: Param1: Type: String Default: defaul...
def to_posix_path(code_path): """ Change the code_path to be of unix-style if running on windows when supplied with an absolute windows path. Parameters ---------- code_path : str Directory in the host operating system that should be mounted within the container. Returns ------- ...
def _get_additional_options(runtime, debug_options): """ Return additional Docker container options. Used by container debug mode to enable certain container security options. :param DebugContext debug_options: DebugContext for the runtime of the container. :return dict: Dictiona...
def _get_entry_point(runtime, debug_options=None): # pylint: disable=too-many-branches """ Returns the entry point for the container. The default value for the entry point is already configured in the Dockerfile. We override this default specifically when enabling debugging. The overridden entr...
def _extract_apis(self, resources): """ Extract all Implicit Apis (Apis defined through Serverless Function with an Api Event :param dict resources: Dictionary of SAM/CloudFormation resources :return: List of nametuple Api """ # Some properties like BinaryMediaTypes, Co...
def _extract_from_serverless_api(self, logical_id, api_resource, collector): """ Extract APIs from AWS::Serverless::Api resource by reading and parsing Swagger documents. The result is added to the collector. Parameters ---------- logical_id : str Logical ID ...
def _merge_apis(collector): """ Quite often, an API is defined both in Implicit and Explicit API definitions. In such cases, Implicit API definition wins because that conveys clear intent that the API is backed by a function. This method will merge two such list of Apis with the right or...
def _normalize_apis(apis): """ Normalize the APIs to use standard method name Parameters ---------- apis : list of samcli.commands.local.lib.provider.Api List of APIs to replace normalize Returns ------- list of samcli.commands.local.lib.prov...
def _extract_apis_from_function(logical_id, function_resource, collector): """ Fetches a list of APIs configured for this SAM Function resource. Parameters ---------- logical_id : str Logical ID of the resource function_resource : dict Contents o...
def _extract_apis_from_events(function_logical_id, serverless_function_events, collector): """ Given an AWS::Serverless::Function Event Dictionary, extract out all 'Api' events and store within the collector Parameters ---------- function_logical_id : str Lo...
def _convert_event_api(lambda_logical_id, event_properties): """ Converts a AWS::Serverless::Function's Event Property to an Api configuration usable by the provider. :param str lambda_logical_id: Logical Id of the AWS::Serverless::Function :param dict event_properties: Dictionary of th...
def _normalize_http_methods(http_method): """ Normalizes Http Methods. Api Gateway allows a Http Methods of ANY. This is a special verb to denote all supported Http Methods on Api Gateway. :param str http_method: Http method :yield str: Either the input http_method or one of the...
def add_apis(self, logical_id, apis): """ Stores the given APIs tagged under the given logicalId Parameters ---------- logical_id : str LogicalId of the AWS::Serverless::Api resource apis : list of samcli.commands.local.lib.provider.Api List of A...
def add_binary_media_types(self, logical_id, binary_media_types): """ Stores the binary media type configuration for the API with given logical ID Parameters ---------- logical_id : str LogicalId of the AWS::Serverless::Api resource binary_media_types : list...
def _get_apis_with_config(self, logical_id): """ Returns the list of APIs in this resource along with other extra configuration such as binary media types, cors etc. Additional configuration is merged directly into the API data because these properties, although defined globally, actuall...
def _get_properties(self, logical_id): """ Returns the properties of resource with given logical ID. If a resource is not found, then it returns an empty data. Parameters ---------- logical_id : str Logical ID of the resource Returns ------- ...
def _unzip_file(filepath): """ Helper method to unzip a file to a temporary directory :param string filepath: Absolute path to this file :return string: Path to the temporary directory where it was unzipped """ temp_dir = tempfile.mkdtemp() if os.name == 'posix': os.chmod(temp_dir...
def invoke(self, function_config, event, debug_context=None, stdout=None, stderr=None): """ Invoke the given Lambda function locally. ##### NOTE: THIS IS A LONG BLOCKING CALL ##### This method will block until ei...
def _configure_interrupt(self, function_name, timeout, container, is_debugging): """ When a Lambda function is executing, we setup certain interrupt handlers to stop the execution. Usually, we setup a function timeout interrupt to kill the container after timeout expires. If debugging though, ...
def _get_code_dir(self, code_path): """ Method to get a path to a directory where the Lambda function code is available. This directory will be mounted directly inside the Docker container. This method handles a few different cases for ``code_path``: - ``code_path``is a exis...
def build(self, runtime, layers): """ Build the image if one is not already on the system that matches the runtime and layers Parameters ---------- runtime str Name of the Lambda runtime layers list(samcli.commands.local.lib.provider.Layer) List o...
def _generate_docker_image_version(layers, runtime): """ Generate the Docker TAG that will be used to create the image Parameters ---------- layers list(samcli.commands.local.lib.provider.Layer) List of the layers runtime str Runtime of the image...
def _build_image(self, base_image, docker_tag, layers): """ Builds the image Parameters ---------- base_image str Base Image to use for the new image docker_tag Docker tag (REPOSITORY:TAG) to use when building the image layers list(samcli....
def _generate_dockerfile(base_image, layers): """ Generate the Dockerfile contents A generated Dockerfile will look like the following: ``` FROM lambci/lambda:python3.6 ADD --chown=sbx_user1051:495 layer1 /opt ADD --chown=sbx_user1051:495 layer2 /opt ```...
def start(self): """ Creates and starts the local API Gateway service. This method will block until the service is stopped manually using an interrupt. After the service is started, callers can make HTTP requests to the endpoint to invoke the Lambda function and receive a response. ...
def _make_routing_list(api_provider): """ Returns a list of routes to configure the Local API Service based on the APIs configured in the template. Parameters ---------- api_provider : samcli.commands.local.lib.sam_api_provider.SamApiProvider Returns ------- ...
def _print_routes(api_provider, host, port): """ Helper method to print the APIs that will be mounted. This method is purely for printing purposes. This method takes in a list of Route Configurations and prints out the Routes grouped by path. Grouping routes by Function Name + Path is th...
def _make_static_dir_path(cwd, static_dir): """ This method returns the path to the directory where static files are to be served from. If static_dir is a relative path, then it is resolved to be relative to the current working directory. If no static directory is provided, or if the res...
def create(self): """ Creates a Flask Application that can be started. """ self._app = Flask(__name__) path = '/2015-03-31/functions/<function_name>/invocations' self._app.add_url_rule(path, endpoint=path, vie...
def validate_request(): """ Validates the incoming request The following are invalid 1. The Request data is not json serializable 2. Query Parameters are sent to the endpoint 3. The Request Content-Type is not application/json 4. 'X-Amz-Log-Type' ...
def _construct_error_handling(self): """ Updates the Flask app with Error Handlers for different Error Codes """ self._app.register_error_handler(500, LambdaErrorResponses.generic_service_exception) self._app.register_error_handler(404, LambdaErrorResponses.generic_path_not_foun...
def _invoke_request_handler(self, function_name): """ Request Handler for the Local Lambda Invoke path. This method is responsible for understanding the incoming request and invoking the Local Lambda Function Parameters ---------- function_name str Name of th...
def unzip(zip_file_path, output_dir, permission=None): """ Unzip the given file into the given directory while preserving file permissions in the process. Parameters ---------- zip_file_path : str Path to the zip file output_dir : str Path to the directory where the it should b...
def _set_permissions(zip_file_info, extracted_path): """ Sets permissions on the extracted file by reading the ``external_attr`` property of given file info. Parameters ---------- zip_file_info : zipfile.ZipInfo Object containing information about a file within a zip archive extracted_...
def unzip_from_uri(uri, layer_zip_path, unzip_output_dir, progressbar_label): """ Download the LayerVersion Zip to the Layer Pkg Cache Parameters ---------- uri str Uri to download from layer_zip_path str Path to where the content from the uri should be downloaded to unzip_o...
def create(self): """ Creates a Flask Application that can be started. """ self._app = Flask(__name__, static_url_path="", # Mount static files at root '/' static_folder=self.static_dir # Serve static files from this directory ...
def _generate_route_keys(self, methods, path): """ Generates the key to the _dict_of_routes based on the list of methods and path supplied :param list(str) methods: List of HTTP Methods :param str path: Path off the base url :return: str of Path:Method """ ...
def _construct_error_handling(self): """ Updates the Flask app with Error Handlers for different Error Codes """ # Both path and method not present self._app.register_error_handler(404, ServiceErrorResponses.route_not_found) # Path is present, but method not allowed ...
def _request_handler(self, *kwargs): """ We handle all requests to the host:port. The general flow of handling a request is as follows Fetch request from the Flask Global state. This is where Flask places the request and is per thread so multiple requests are still handled correctl...
def _get_current_route(self, flask_request): """ Get the route (Route) based on the current request :param request flask_request: Flask Request :return: Route matching the endpoint and method of the request """ endpoint = flask_request.endpoint method = flask_req...
def _parse_lambda_output(lambda_output, binary_types, flask_request): """ Parses the output from the Lambda Container :param str lambda_output: Output from Lambda Invoke :return: Tuple(int, dict, str, bool) """ json_output = json.loads(lambda_output) if not isin...
def _should_base64_decode_body(binary_types, flask_request, lamba_response_headers, is_base_64_encoded): """ Whether or not the body should be decoded from Base64 to Binary Parameters ---------- binary_types list(basestring) Corresponds to self.binary_types (aka. wha...
def _construct_event(flask_request, port, binary_types): """ Helper method that constructs the Event to be passed to Lambda :param request flask_request: Flask Request :return: String representing the event """ identity = ContextIdentity(source_ip=flask_request.remote_a...
def _query_string_params(flask_request): """ Constructs an APIGW equivalent query string dictionary Parameters ---------- flask_request request Request from Flask Returns dict (str: str) ------- Empty dict if no query params where in the ...
def invoke(self, function_name, event, stdout=None, stderr=None): """ Find the Lambda function with given name and invoke it. Pass the given event to the function and return response through the given streams. This function will block until either the function completes or times out. ...
def _get_invoke_config(self, function): """ Returns invoke configuration to pass to Lambda Runtime to invoke the given function :param samcli.commands.local.lib.provider.Function function: Lambda function to generate the configuration for :return samcli.local.lambdafn.config.FunctionCon...
def _make_env_vars(self, function): """Returns the environment variables configuration for this function Parameters ---------- function : samcli.commands.local.lib.provider.Function Lambda function to generate the configuration for Returns ------- sa...
def get_aws_creds(self): """ Returns AWS credentials obtained from the shell environment or given profile :return dict: A dictionary containing credentials. This dict has the structure {"region": "", "key": "", "secret": "", "sessiontoken": ""}. If credentials could not be resolved...
def to_dict(self): """ Constructs an dictionary representation of the Identity Object to be used in serializing to JSON :return: dict representing the object """ json_dict = {"apiKey": self.api_key, "userArn": self.user_arn, "cognitoAuth...
def to_dict(self): """ Constructs an dictionary representation of the RequestContext Object to be used in serializing to JSON :return: dict representing the object """ identity_dict = {} if self.identity: identity_dict = self.identity.to_dict() json_...
def to_dict(self): """ Constructs an dictionary representation of the ApiGatewayLambdaEvent Object to be used in serializing to JSON :return: dict representing the object """ request_context_dict = {} if self.request_context: request_context_dict = self.reque...
def do_cli(function_name, stack_name, filter_pattern, tailing, start_time, end_time): """ Implementation of the ``cli`` method """ LOG.debug("'logs' command is called") with LogsCommandContext(function_name, stack_name=stack_name, filter_patt...
def is_docker_reachable(self): """ Checks if Docker daemon is running. This is required for us to invoke the function locally Returns ------- bool True, if Docker is available, False otherwise """ try: self.docker_client.ping() ...
def run(self, container, input_data=None, warm=False): """ Create and run a Docker container based on the given configuration. :param samcli.local.docker.container.Container container: Container to create and run :param input_data: Optional. Input data sent to the container through cont...
def pull_image(self, image_name, stream=None): """ Ask Docker to pull the container image with given name. Parameters ---------- image_name str Name of the image stream samcli.lib.utils.stream_writer.StreamWriter Optional stream writer to output t...
def has_image(self, image_name): """ Is the container image with given name available? :param string image_name: Name of the image :return bool: True, if image is available. False, otherwise """ try: self.docker_client.images.get(image_name) retu...
def do_cli(ctx, template, semantic_version): """Publish the application based on command line inputs.""" try: template_data = get_template_data(template) except ValueError as ex: click.secho("Publish Failed", fg='red') raise UserException(str(ex)) # Override SemanticVersion in t...
def _gen_success_message(publish_output): """ Generate detailed success message for published applications. Parameters ---------- publish_output : dict Output from serverlessrepo publish_application Returns ------- str Detailed success message """ application_id...
def _print_console_link(region, application_id): """ Print link for the application in AWS Serverless Application Repository console. Parameters ---------- region : str AWS region name application_id : str The Amazon Resource Name (ARN) of the application """ if not reg...
def lambda_failure_response(*args): """ Helper function to create a Lambda Failure Response :return: A Flask Response """ response_data = jsonify(ServiceErrorResponses._LAMBDA_FAILURE) return make_response(response_data, ServiceErrorResponses.HTTP_STATUS_CODE_502)
def lambda_not_found_response(*args): """ Constructs a Flask Response for when a Lambda function is not found for an endpoint :return: a Flask Response """ response_data = jsonify(ServiceErrorResponses._NO_LAMBDA_INTEGRATION) return make_response(response_data, ServiceEr...
def route_not_found(*args): """ Constructs a Flask Response for when a API Route (path+method) is not found. This is usually HTTP 404 but with API Gateway this is a HTTP 403 (https://forums.aws.amazon.com/thread.jspa?threadID=2166840) :return: a Flask Response """ respon...
def progressbar(length, label): """ Creates a progressbar Parameters ---------- length int Length of the ProgressBar label str Label to give to the progressbar Returns ------- click.progressbar Progressbar """ return click.progressbar(length=length,...
def _unquote(value): r""" Removes wrapping double quotes and any '\ ' characters. They are usually added to preserve spaces when passing value thru shell. Examples -------- >>> _unquote('val\ ue') value >>> _unquote("hel\ lo") hello Para...
def run(self): """ This starts up the (threaded) Local Server. Note: This is a blocking call Raises ------ RuntimeError if the service was not created """ if not self._app: raise RuntimeError("The application must be created be...
def service_response(body, headers, status_code): """ Constructs a Flask Response from the body, headers, and status_code. :param str body: Response body as a string :param dict headers: headers for the response :param int status_code: status_code for response :return: F...
def get_lambda_output(stdout_stream): """ This method will extract read the given stream and return the response from Lambda function separated out from any log statements it might have outputted. Logs end up in the stdout stream if the Lambda function wrote directly to stdout using Syst...
def is_lambda_error_response(lambda_response): """ Check to see if the output from the container is in the form of an Error/Exception from the Lambda invoke Parameters ---------- lambda_response str The response the container returned Returns -------...
def build(self): """ Build the entire application Returns ------- dict Returns the path to where each resource was built as a map of resource's LogicalId to the path string """ result = {} for lambda_function in self._functions_to_build: ...
def update_template(self, template_dict, original_template_path, built_artifacts): """ Given the path to built artifacts, update the template to point appropriate resource CodeUris to the artifacts folder Parameters ---------- template_dict original_template_path...
def _build_function(self, function_name, codeuri, runtime): """ Given the function information, this method will build the Lambda function. Depending on the configuration it will either build the function in process or by spinning up a Docker container. Parameters ---------- ...
def _get_container_dirs(source_dir, manifest_dir): """ Provides paths to directories within the container that is required by the builder Parameters ---------- source_dir : str Path to the function source code manifest_dir : str Path to the direc...
def _convert_to_container_dirs(host_paths_to_convert, host_to_container_path_mapping): """ Use this method to convert a list of host paths to a list of equivalent paths within the container where the given host path is mounted. This is necessary when SAM CLI needs to pass path information to ...
def __translate(self, parameter_values): """ This method is unused and a Work In Progress """ template_copy = self.template sam_parser = Parser() sam_translator = Translator(managed_policy_map=self.__managed_policy_map(), sam_parser=s...
def __managed_policy_map(self): """ This method is unused and a Work In Progress """ try: iam_client = boto3.client('iam') return ManagedPolicyLoader(iam_client).load() except Exception as ex: if self._offline_fallback: # If of...
def _validate(self, sam_template): """ Validates the template and parameter values and raises exceptions if there's an issue :param dict sam_template: SAM template """ if "Resources" not in sam_template or not isinstance(sam_template["Resources"], dict) \ or not sam_tem...
def get_command(self, ctx, cmd_name): """ gets the subcommands under the service name Parameters ---------- ctx : Context the context object passed into the method cmd_name : str the service name Returns ------- EventTypeSu...
def get_command(self, ctx, cmd_name): """ gets the Click Commands underneath a service name Parameters ---------- ctx: Context context object passed in cmd_name: string the service name Returns ------- cmd: Click.Command ...
def cmd_implementation(self, events_lib, top_level_cmd_name, subcmd_name, args, *kwargs): """ calls for value substitution in the event json and returns the customized json as a string Parameters ---------- events_lib top_level_cmd_name: string the ...
def generate_lars_path(weighted_data, weighted_labels): """Generates the lars path for weighted data. Args: weighted_data: data that has been weighted by kernel weighted_label: labels, weighted by kernel Returns: (alphas, coefs), both are arrays correspondin...
def forward_selection(self, data, labels, weights, num_features): """Iteratively adds features to the model""" clf = Ridge(alpha=0, fit_intercept=True, random_state=self.random_state) used_features = [] for _ in range(min(num_features, data.shape[1])): max_ = -100000000 ...
def feature_selection(self, data, labels, weights, num_features, method): """Selects features for the model. see explain_instance_with_data to understand the parameters.""" if method == 'none': return np.array(range(data.shape[1])) elif method == 'forward_selection': ...

def _compute_layer_name(is_defined_within_template, arn): """ Computes a unique name based on the LayerVersion Arn Format: <Name of the LayerVersion>-<Version of the LayerVersion>-<sha256 of the arn> Parameters ---------- is_defined_within_template bool ...

def mkdir_temp(mode=0o755): """ Context manager that makes a temporary directory and yields it name. Directory is deleted after the context exits Parameters ---------- mode : octal Permissions to apply to the directory. Defaults to '755' because don't want directories world writable ...

def stdout(): """ Returns the stdout as a byte stream in a Py2/PY3 compatible manner Returns ------- io.BytesIO Byte stream of Stdout """ # We write all of the data to stdout with bytes, typically io.BytesIO. stdout in Python2 # accepts bytes but Python3 does not. This is due t...

def stderr(): """ Returns the stderr as a byte stream in a Py2/PY3 compatible manner Returns ------- io.BytesIO Byte stream of stderr """ # We write all of the data to stderr with bytes, typically io.BytesIO. stderr in Python2 # accepts bytes but Python3 does not. This is due t...

def download_all(self, layers, force=False): """ Download a list of layers to the cache Parameters ---------- layers list(samcli.commands.local.lib.provider.Layer) List of Layers representing the layer to be downloaded force bool True to download ...

def download(self, layer, force=False): """ Download a given layer to the local cache. Parameters ---------- layer samcli.commands.local.lib.provider.Layer Layer representing the layer to be downloaded. force bool True to download the layer even i...

def _fetch_layer_uri(self, layer): """ Fetch the Layer Uri based on the LayerVersion Arn Parameters ---------- layer samcli.commands.local.lib.provider.LayerVersion LayerVersion to fetch Returns ------- str The Uri to download the...

def _create_cache(layer_cache): """ Create the Cache directory if it does not exist. Parameters ---------- layer_cache Directory to where the layers should be cached Returns ------- None """ Path(layer_cache).mkdir(mode=0o700...

def is_valid(self): """ Runs the SAM Translator to determine if the template provided is valid. This is similar to running a ChangeSet in CloudFormation for a SAM Template Raises ------- InvalidSamDocumentException If the template is not valid, an InvalidSam...

def _replace_local_codeuri(self): """ Replaces the CodeUri in AWS::Serverless::Function and DefinitionUri in AWS::Serverless::Api to a fake S3 Uri. This is to support running the SAM Translator with valid values for these fields. If this in not done, the template is invalid in the eyes o...

def _update_to_s3_uri(property_key, resource_property_dict, s3_uri_value="s3://bucket/value"): """ Updates the 'property_key' in the 'resource_property_dict' to the value of 's3_uri_value' Note: The function will mutate the resource_property_dict that is pass in Parameters ----...

def formatter(self): """ Creates and returns a Formatter capable of nicely formatting Lambda function logs Returns ------- LogsFormatter """ formatter_chain = [ LambdaLogMsgFormatters.colorize_errors, # Format JSON "before" highlighting t...

def log_group_name(self): """ Name of the AWS CloudWatch Log Group that we will be querying. It generates the name based on the Lambda Function name and stack name provided. Returns ------- str Name of the CloudWatch Log Group """ function_id...

def _parse_time(time_str, property_name): """ Parse the time from the given string, convert to UTC, and return the datetime object Parameters ---------- time_str : str The time to parse property_name : str Name of the property where this time cam...

def _get_resource_id_from_stack(cfn_client, stack_name, logical_id): """ Given the LogicalID of a resource, call AWS CloudFormation to get physical ID of the resource within the specified stack. Parameters ---------- cfn_client CloudFormation client provided ...

def get_template(template_dict, parameter_overrides=None): """ Given a SAM template dictionary, return a cleaned copy of the template where SAM plugins have been run and parameter values have been substituted. Parameters ---------- template_dict : dict unproc...

def _resolve_parameters(template_dict, parameter_overrides): """ In the given template, apply parameter values to resolve intrinsic functions Parameters ---------- template_dict : dict SAM Template parameter_overrides : dict Values for template p...

def _get_parameter_values(template_dict, parameter_overrides): """ Construct a final list of values for CloudFormation template parameters based on user-supplied values, default values provided in template, and sane defaults for pseudo-parameters. Parameters ---------- t...

def _get_default_parameter_values(sam_template): """ Method to read default values for template parameters and return it Example: If the template contains the following parameters defined Parameters: Param1: Type: String Default: defaul...

def to_posix_path(code_path): """ Change the code_path to be of unix-style if running on windows when supplied with an absolute windows path. Parameters ---------- code_path : str Directory in the host operating system that should be mounted within the container. Returns ------- ...

def _get_additional_options(runtime, debug_options): """ Return additional Docker container options. Used by container debug mode to enable certain container security options. :param DebugContext debug_options: DebugContext for the runtime of the container. :return dict: Dictiona...

def _get_entry_point(runtime, debug_options=None): # pylint: disable=too-many-branches """ Returns the entry point for the container. The default value for the entry point is already configured in the Dockerfile. We override this default specifically when enabling debugging. The overridden entr...

def _extract_apis(self, resources): """ Extract all Implicit Apis (Apis defined through Serverless Function with an Api Event :param dict resources: Dictionary of SAM/CloudFormation resources :return: List of nametuple Api """ # Some properties like BinaryMediaTypes, Co...

def _extract_from_serverless_api(self, logical_id, api_resource, collector): """ Extract APIs from AWS::Serverless::Api resource by reading and parsing Swagger documents. The result is added to the collector. Parameters ---------- logical_id : str Logical ID ...

def _merge_apis(collector): """ Quite often, an API is defined both in Implicit and Explicit API definitions. In such cases, Implicit API definition wins because that conveys clear intent that the API is backed by a function. This method will merge two such list of Apis with the right or...

def _normalize_apis(apis): """ Normalize the APIs to use standard method name Parameters ---------- apis : list of samcli.commands.local.lib.provider.Api List of APIs to replace normalize Returns ------- list of samcli.commands.local.lib.prov...

def _extract_apis_from_function(logical_id, function_resource, collector): """ Fetches a list of APIs configured for this SAM Function resource. Parameters ---------- logical_id : str Logical ID of the resource function_resource : dict Contents o...

def _extract_apis_from_events(function_logical_id, serverless_function_events, collector): """ Given an AWS::Serverless::Function Event Dictionary, extract out all 'Api' events and store within the collector Parameters ---------- function_logical_id : str Lo...

def _convert_event_api(lambda_logical_id, event_properties): """ Converts a AWS::Serverless::Function's Event Property to an Api configuration usable by the provider. :param str lambda_logical_id: Logical Id of the AWS::Serverless::Function :param dict event_properties: Dictionary of th...

def _normalize_http_methods(http_method): """ Normalizes Http Methods. Api Gateway allows a Http Methods of ANY. This is a special verb to denote all supported Http Methods on Api Gateway. :param str http_method: Http method :yield str: Either the input http_method or one of the...

def add_apis(self, logical_id, apis): """ Stores the given APIs tagged under the given logicalId Parameters ---------- logical_id : str LogicalId of the AWS::Serverless::Api resource apis : list of samcli.commands.local.lib.provider.Api List of A...

def add_binary_media_types(self, logical_id, binary_media_types): """ Stores the binary media type configuration for the API with given logical ID Parameters ---------- logical_id : str LogicalId of the AWS::Serverless::Api resource binary_media_types : list...

def _get_apis_with_config(self, logical_id): """ Returns the list of APIs in this resource along with other extra configuration such as binary media types, cors etc. Additional configuration is merged directly into the API data because these properties, although defined globally, actuall...

def _get_properties(self, logical_id): """ Returns the properties of resource with given logical ID. If a resource is not found, then it returns an empty data. Parameters ---------- logical_id : str Logical ID of the resource Returns ------- ...

def _unzip_file(filepath): """ Helper method to unzip a file to a temporary directory :param string filepath: Absolute path to this file :return string: Path to the temporary directory where it was unzipped """ temp_dir = tempfile.mkdtemp() if os.name == 'posix': os.chmod(temp_dir...

def invoke(self, function_config, event, debug_context=None, stdout=None, stderr=None): """ Invoke the given Lambda function locally. ##### NOTE: THIS IS A LONG BLOCKING CALL ##### This method will block until ei...

def _configure_interrupt(self, function_name, timeout, container, is_debugging): """ When a Lambda function is executing, we setup certain interrupt handlers to stop the execution. Usually, we setup a function timeout interrupt to kill the container after timeout expires. If debugging though, ...

def _get_code_dir(self, code_path): """ Method to get a path to a directory where the Lambda function code is available. This directory will be mounted directly inside the Docker container. This method handles a few different cases for ``code_path``: - ``code_path``is a exis...

def build(self, runtime, layers): """ Build the image if one is not already on the system that matches the runtime and layers Parameters ---------- runtime str Name of the Lambda runtime layers list(samcli.commands.local.lib.provider.Layer) List o...

def _generate_docker_image_version(layers, runtime): """ Generate the Docker TAG that will be used to create the image Parameters ---------- layers list(samcli.commands.local.lib.provider.Layer) List of the layers runtime str Runtime of the image...

def _build_image(self, base_image, docker_tag, layers): """ Builds the image Parameters ---------- base_image str Base Image to use for the new image docker_tag Docker tag (REPOSITORY:TAG) to use when building the image layers list(samcli....

def _generate_dockerfile(base_image, layers): """ Generate the Dockerfile contents A generated Dockerfile will look like the following: ``` FROM lambci/lambda:python3.6 ADD --chown=sbx_user1051:495 layer1 /opt ADD --chown=sbx_user1051:495 layer2 /opt ```...

def start(self): """ Creates and starts the local API Gateway service. This method will block until the service is stopped manually using an interrupt. After the service is started, callers can make HTTP requests to the endpoint to invoke the Lambda function and receive a response. ...

def _make_routing_list(api_provider): """ Returns a list of routes to configure the Local API Service based on the APIs configured in the template. Parameters ---------- api_provider : samcli.commands.local.lib.sam_api_provider.SamApiProvider Returns ------- ...

def _print_routes(api_provider, host, port): """ Helper method to print the APIs that will be mounted. This method is purely for printing purposes. This method takes in a list of Route Configurations and prints out the Routes grouped by path. Grouping routes by Function Name + Path is th...

def _make_static_dir_path(cwd, static_dir): """ This method returns the path to the directory where static files are to be served from. If static_dir is a relative path, then it is resolved to be relative to the current working directory. If no static directory is provided, or if the res...

def create(self): """ Creates a Flask Application that can be started. """ self._app = Flask(__name__) path = '/2015-03-31/functions/<function_name>/invocations' self._app.add_url_rule(path, endpoint=path, vie...

def validate_request(): """ Validates the incoming request The following are invalid 1. The Request data is not json serializable 2. Query Parameters are sent to the endpoint 3. The Request Content-Type is not application/json 4. 'X-Amz-Log-Type' ...

def _construct_error_handling(self): """ Updates the Flask app with Error Handlers for different Error Codes """ self._app.register_error_handler(500, LambdaErrorResponses.generic_service_exception) self._app.register_error_handler(404, LambdaErrorResponses.generic_path_not_foun...

def _invoke_request_handler(self, function_name): """ Request Handler for the Local Lambda Invoke path. This method is responsible for understanding the incoming request and invoking the Local Lambda Function Parameters ---------- function_name str Name of th...

def unzip(zip_file_path, output_dir, permission=None): """ Unzip the given file into the given directory while preserving file permissions in the process. Parameters ---------- zip_file_path : str Path to the zip file output_dir : str Path to the directory where the it should b...

def _set_permissions(zip_file_info, extracted_path): """ Sets permissions on the extracted file by reading the ``external_attr`` property of given file info. Parameters ---------- zip_file_info : zipfile.ZipInfo Object containing information about a file within a zip archive extracted_...

def unzip_from_uri(uri, layer_zip_path, unzip_output_dir, progressbar_label): """ Download the LayerVersion Zip to the Layer Pkg Cache Parameters ---------- uri str Uri to download from layer_zip_path str Path to where the content from the uri should be downloaded to unzip_o...

def create(self): """ Creates a Flask Application that can be started. """ self._app = Flask(__name__, static_url_path="", # Mount static files at root '/' static_folder=self.static_dir # Serve static files from this directory ...

def _generate_route_keys(self, methods, path): """ Generates the key to the _dict_of_routes based on the list of methods and path supplied :param list(str) methods: List of HTTP Methods :param str path: Path off the base url :return: str of Path:Method """ ...

def _construct_error_handling(self): """ Updates the Flask app with Error Handlers for different Error Codes """ # Both path and method not present self._app.register_error_handler(404, ServiceErrorResponses.route_not_found) # Path is present, but method not allowed ...

def _request_handler(self, **kwargs): """ We handle all requests to the host:port. The general flow of handling a request is as follows * Fetch request from the Flask Global state. This is where Flask places the request and is per thread so multiple requests are still handled correctl...

def _get_current_route(self, flask_request): """ Get the route (Route) based on the current request :param request flask_request: Flask Request :return: Route matching the endpoint and method of the request """ endpoint = flask_request.endpoint method = flask_req...

def _parse_lambda_output(lambda_output, binary_types, flask_request): """ Parses the output from the Lambda Container :param str lambda_output: Output from Lambda Invoke :return: Tuple(int, dict, str, bool) """ json_output = json.loads(lambda_output) if not isin...

def _should_base64_decode_body(binary_types, flask_request, lamba_response_headers, is_base_64_encoded): """ Whether or not the body should be decoded from Base64 to Binary Parameters ---------- binary_types list(basestring) Corresponds to self.binary_types (aka. wha...

def _construct_event(flask_request, port, binary_types): """ Helper method that constructs the Event to be passed to Lambda :param request flask_request: Flask Request :return: String representing the event """ identity = ContextIdentity(source_ip=flask_request.remote_a...

def _query_string_params(flask_request): """ Constructs an APIGW equivalent query string dictionary Parameters ---------- flask_request request Request from Flask Returns dict (str: str) ------- Empty dict if no query params where in the ...

def invoke(self, function_name, event, stdout=None, stderr=None): """ Find the Lambda function with given name and invoke it. Pass the given event to the function and return response through the given streams. This function will block until either the function completes or times out. ...

def _get_invoke_config(self, function): """ Returns invoke configuration to pass to Lambda Runtime to invoke the given function :param samcli.commands.local.lib.provider.Function function: Lambda function to generate the configuration for :return samcli.local.lambdafn.config.FunctionCon...

def _make_env_vars(self, function): """Returns the environment variables configuration for this function Parameters ---------- function : samcli.commands.local.lib.provider.Function Lambda function to generate the configuration for Returns ------- sa...

def get_aws_creds(self): """ Returns AWS credentials obtained from the shell environment or given profile :return dict: A dictionary containing credentials. This dict has the structure {"region": "", "key": "", "secret": "", "sessiontoken": ""}. If credentials could not be resolved...

def to_dict(self): """ Constructs an dictionary representation of the Identity Object to be used in serializing to JSON :return: dict representing the object """ json_dict = {"apiKey": self.api_key, "userArn": self.user_arn, "cognitoAuth...

def to_dict(self): """ Constructs an dictionary representation of the RequestContext Object to be used in serializing to JSON :return: dict representing the object """ identity_dict = {} if self.identity: identity_dict = self.identity.to_dict() json_...

def to_dict(self): """ Constructs an dictionary representation of the ApiGatewayLambdaEvent Object to be used in serializing to JSON :return: dict representing the object """ request_context_dict = {} if self.request_context: request_context_dict = self.reque...

def do_cli(function_name, stack_name, filter_pattern, tailing, start_time, end_time): """ Implementation of the ``cli`` method """ LOG.debug("'logs' command is called") with LogsCommandContext(function_name, stack_name=stack_name, filter_patt...

def is_docker_reachable(self): """ Checks if Docker daemon is running. This is required for us to invoke the function locally Returns ------- bool True, if Docker is available, False otherwise """ try: self.docker_client.ping() ...

def run(self, container, input_data=None, warm=False): """ Create and run a Docker container based on the given configuration. :param samcli.local.docker.container.Container container: Container to create and run :param input_data: Optional. Input data sent to the container through cont...

def pull_image(self, image_name, stream=None): """ Ask Docker to pull the container image with given name. Parameters ---------- image_name str Name of the image stream samcli.lib.utils.stream_writer.StreamWriter Optional stream writer to output t...

def has_image(self, image_name): """ Is the container image with given name available? :param string image_name: Name of the image :return bool: True, if image is available. False, otherwise """ try: self.docker_client.images.get(image_name) retu...

def do_cli(ctx, template, semantic_version): """Publish the application based on command line inputs.""" try: template_data = get_template_data(template) except ValueError as ex: click.secho("Publish Failed", fg='red') raise UserException(str(ex)) # Override SemanticVersion in t...

def _gen_success_message(publish_output): """ Generate detailed success message for published applications. Parameters ---------- publish_output : dict Output from serverlessrepo publish_application Returns ------- str Detailed success message """ application_id...

def _print_console_link(region, application_id): """ Print link for the application in AWS Serverless Application Repository console. Parameters ---------- region : str AWS region name application_id : str The Amazon Resource Name (ARN) of the application """ if not reg...

def lambda_failure_response(*args): """ Helper function to create a Lambda Failure Response :return: A Flask Response """ response_data = jsonify(ServiceErrorResponses._LAMBDA_FAILURE) return make_response(response_data, ServiceErrorResponses.HTTP_STATUS_CODE_502)

def lambda_not_found_response(*args): """ Constructs a Flask Response for when a Lambda function is not found for an endpoint :return: a Flask Response """ response_data = jsonify(ServiceErrorResponses._NO_LAMBDA_INTEGRATION) return make_response(response_data, ServiceEr...

def route_not_found(*args): """ Constructs a Flask Response for when a API Route (path+method) is not found. This is usually HTTP 404 but with API Gateway this is a HTTP 403 (https://forums.aws.amazon.com/thread.jspa?threadID=2166840) :return: a Flask Response """ respon...

def progressbar(length, label): """ Creates a progressbar Parameters ---------- length int Length of the ProgressBar label str Label to give to the progressbar Returns ------- click.progressbar Progressbar """ return click.progressbar(length=length,...

def _unquote(value): r""" Removes wrapping double quotes and any '\ ' characters. They are usually added to preserve spaces when passing value thru shell. Examples -------- >>> _unquote('val\ ue') value >>> _unquote("hel\ lo") hello Para...

def run(self): """ This starts up the (threaded) Local Server. Note: This is a **blocking call** Raises ------ RuntimeError if the service was not created """ if not self._app: raise RuntimeError("The application must be created be...

def service_response(body, headers, status_code): """ Constructs a Flask Response from the body, headers, and status_code. :param str body: Response body as a string :param dict headers: headers for the response :param int status_code: status_code for response :return: F...

def get_lambda_output(stdout_stream): """ This method will extract read the given stream and return the response from Lambda function separated out from any log statements it might have outputted. Logs end up in the stdout stream if the Lambda function wrote directly to stdout using Syst...

def is_lambda_error_response(lambda_response): """ Check to see if the output from the container is in the form of an Error/Exception from the Lambda invoke Parameters ---------- lambda_response str The response the container returned Returns -------...

def build(self): """ Build the entire application Returns ------- dict Returns the path to where each resource was built as a map of resource's LogicalId to the path string """ result = {} for lambda_function in self._functions_to_build: ...

def update_template(self, template_dict, original_template_path, built_artifacts): """ Given the path to built artifacts, update the template to point appropriate resource CodeUris to the artifacts folder Parameters ---------- template_dict original_template_path...

def _build_function(self, function_name, codeuri, runtime): """ Given the function information, this method will build the Lambda function. Depending on the configuration it will either build the function in process or by spinning up a Docker container. Parameters ---------- ...

def _get_container_dirs(source_dir, manifest_dir): """ Provides paths to directories within the container that is required by the builder Parameters ---------- source_dir : str Path to the function source code manifest_dir : str Path to the direc...

def _convert_to_container_dirs(host_paths_to_convert, host_to_container_path_mapping): """ Use this method to convert a list of host paths to a list of equivalent paths within the container where the given host path is mounted. This is necessary when SAM CLI needs to pass path information to ...

def __translate(self, parameter_values): """ This method is unused and a Work In Progress """ template_copy = self.template sam_parser = Parser() sam_translator = Translator(managed_policy_map=self.__managed_policy_map(), sam_parser=s...

def __managed_policy_map(self): """ This method is unused and a Work In Progress """ try: iam_client = boto3.client('iam') return ManagedPolicyLoader(iam_client).load() except Exception as ex: if self._offline_fallback: # If of...

def _validate(self, sam_template): """ Validates the template and parameter values and raises exceptions if there's an issue :param dict sam_template: SAM template """ if "Resources" not in sam_template or not isinstance(sam_template["Resources"], dict) \ or not sam_tem...

def get_command(self, ctx, cmd_name): """ gets the subcommands under the service name Parameters ---------- ctx : Context the context object passed into the method cmd_name : str the service name Returns ------- EventTypeSu...

def get_command(self, ctx, cmd_name): """ gets the Click Commands underneath a service name Parameters ---------- ctx: Context context object passed in cmd_name: string the service name Returns ------- cmd: Click.Command ...

def cmd_implementation(self, events_lib, top_level_cmd_name, subcmd_name, *args, **kwargs): """ calls for value substitution in the event json and returns the customized json as a string Parameters ---------- events_lib top_level_cmd_name: string the ...

def generate_lars_path(weighted_data, weighted_labels): """Generates the lars path for weighted data. Args: weighted_data: data that has been weighted by kernel weighted_label: labels, weighted by kernel Returns: (alphas, coefs), both are arrays correspondin...

def forward_selection(self, data, labels, weights, num_features): """Iteratively adds features to the model""" clf = Ridge(alpha=0, fit_intercept=True, random_state=self.random_state) used_features = [] for _ in range(min(num_features, data.shape[1])): max_ = -100000000 ...

def feature_selection(self, data, labels, weights, num_features, method): """Selects features for the model. see explain_instance_with_data to understand the parameters.""" if method == 'none': return np.array(range(data.shape[1])) elif method == 'forward_selection': ...