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dict
q12000
_image_to_data
train
def _image_to_data(img): """ Does the work of encoding an image into Base64 """ # If the image is already encoded in Base64, we have nothing to do here if "src" not in img.attrs or img["src"].startswith("data:"): return elif re.match("https?://", img["src"]): img_data = _load_url...
python
{ "resource": "" }
q12001
_bake_css
train
def _bake_css(link): """ Takes a link element and turns it into an inline style link if applicable """ if "href" in link.attrs and (re.search("\.css$", link["href"])) or ("rel" in link.attrs and link["rel"] is "stylesheet") or ("type" in link.attrs and link["type"] is "text/css"): if re.match("h...
python
{ "resource": "" }
q12002
_bake_script
train
def _bake_script(script): """ Takes a script element and bakes it in only if it contains a remote resource """ if "src" in script.attrs: if re.match("https?://", script["src"]): script_data = _load_url(script["src"]).read() else: script_data = _load_file(script["s...
python
{ "resource": "" }
q12003
_load_file
train
def _load_file(path): """ Loads a file from the local filesystem """ if not os.path.exists(path): parser.error("{} was not found!".format(path)) if USING_PYTHON2: mode = "r" else: mode = "rb" try: f = open(path, mode) return f except IOError as ex:...
python
{ "resource": "" }
q12004
_load_url
train
def _load_url(url): """ Loads a URL resource from a remote server """ try: response = requests.get(url) return BytesIO(response.content) except IOError as ex: parser.error("{url} could not be loaded remotely! ({ex})".format(url=url, ex=ex))
python
{ "resource": "" }
q12005
_get_bs4_string
train
def _get_bs4_string(soup): """ Outputs a BeautifulSoup object as a string that should hopefully be minimally modified """ if len(soup.find_all("script")) == 0: soup_str = soup.prettify(formatter=None).strip() else: soup_str = str(soup.html) soup_str = re.sub("&", "&", sou...
python
{ "resource": "" }
q12006
bake
train
def bake(src): """ Runs the encoder on the given source file """ src = os.path.realpath(src) path = os.path.dirname(src) filename = os.path.basename(src) html = _load_file(src).read() if imghdr.what("", html): html = "<html><body><img src='{}'/></body></html>".format(cgi.escape(f...
python
{ "resource": "" }
q12007
upload_html
train
def upload_html(destination, html, name=None): """ Uploads the HTML to a file on the server """ [project, path, n] = parse_destination(destination) try: dxfile = dxpy.upload_string(html, media_type="text/html", project=project, folder=path, hidden=True, name=name or None) return dxfi...
python
{ "resource": "" }
q12008
create_record
train
def create_record(destination, file_ids, width=None, height=None): """ Creates a master record for the HTML report; this doesn't contain contain the actual HTML, but reports are required to be records rather than files and we can link more than one HTML file to a report """ [project, path, name] = p...
python
{ "resource": "" }
q12009
save
train
def save(filename, html): """ Creates a baked HTML file on the local system """ try: out_file = open(filename, "w") out_file.write(html) out_file.close() except IOError as ex: parser.error("Could not write baked HTML to local file {name}. ({ex})".format(name=filename,...
python
{ "resource": "" }
q12010
get_size_str
train
def get_size_str(size): """ Formats a byte size as a string. The returned string is no more than 9 characters long. """ if size == 0: magnitude = 0 level = 0 else: magnitude = math.floor(math.log(size, 10)) level = int(min(math.floor(magnitude // 3), 4)) retu...
python
{ "resource": "" }
q12011
get_ls_l_desc
train
def get_ls_l_desc(desc, include_folder=False, include_project=False): """ desc must have at least all the fields given by get_ls_l_desc_fields. """ # If you make this method consume an additional field, you must add it to # get_ls_l_desc_fields above. if 'state' in desc: state_len = len(...
python
{ "resource": "" }
q12012
_recursive_cleanup
train
def _recursive_cleanup(foo): """ Aggressively cleans up things that look empty. """ if isinstance(foo, dict): for (key, val) in list(foo.items()): if isinstance(val, dict): _recursive_cleanup(val) if val == "" or val == [] or val == {}: del...
python
{ "resource": "" }
q12013
dump_executable
train
def dump_executable(executable, destination_directory, omit_resources=False, describe_output={}): """ Reconstitutes an app, applet, or a workflow into a directory that would create a functionally identical executable if "dx build" were run on it. destination_directory will be the root source directory f...
python
{ "resource": "" }
q12014
_gen_helper_dict
train
def _gen_helper_dict(filtered_inputs): ''' Create a dict of values for the downloaded files. This is similar to the variables created when running a bash app. ''' file_key_descs, _ignore = file_load_utils.analyze_bash_vars( file_load_utils.get_input_json_file(), None) flattened_dict = ...
python
{ "resource": "" }
q12015
_get_num_parallel_threads
train
def _get_num_parallel_threads(max_threads, num_cores, mem_available_mb): ''' Ensure at least ~1.2 GB memory per thread, see PTFM-18767 ''' return min(max_threads, num_cores, max(int(mem_available_mb/1200), 1))
python
{ "resource": "" }
q12016
main
train
def main(**kwargs): """ Draw a couple of simple graphs and optionally generate an HTML file to upload them """ draw_lines() draw_histogram() draw_bar_chart() destination = "-r /report" if use_html: generate_html() command = "dx-build-report-html {h} {d}".format(h=html_fil...
python
{ "resource": "" }
q12017
draw_lines
train
def draw_lines(): """ Draws a line between a set of random values """ r = numpy.random.randn(200) fig = pyplot.figure() ax = fig.add_subplot(111) ax.plot(r) ax.grid(True) pyplot.savefig(lines_filename)
python
{ "resource": "" }
q12018
generate_html
train
def generate_html(): """ Generate an HTML file incorporating the images produced by this script """ html_file = open(html_filename, "w") html_file.write("<html><body>") html_file.write("<h1>Here are some graphs for you!</h1>") for image in [lines_filename, bars_filename, histogram_filename]:...
python
{ "resource": "" }
q12019
_safe_unicode
train
def _safe_unicode(o): """ Returns an equivalent unicode object, trying harder to avoid dependencies on the Python default encoding. """ def clean(s): return u''.join([c if c in ASCII_PRINTABLE else '?' for c in s]) if USING_PYTHON2: try: return unicode(o) exce...
python
{ "resource": "" }
q12020
_format_exception_message
train
def _format_exception_message(e): """ Formats the specified exception. """ # Prevent duplication of "AppError" in places that print "AppError" # and then this formatted string if isinstance(e, dxpy.AppError): return _safe_unicode(e) if USING_PYTHON2: return unicode(e.__class_...
python
{ "resource": "" }
q12021
run
train
def run(function_name=None, function_input=None): """Triggers the execution environment entry point processor. Use this function in the program entry point code: .. code-block:: python import dxpy @dxpy.entry_point('main') def hello(i): pass dxpy.run() This m...
python
{ "resource": "" }
q12022
entry_point
train
def entry_point(entry_point_name): """Use this to decorate a DNAnexus execution environment entry point. Example: .. code-block:: python @dxpy.entry_point('main') def hello(i): pass """ def wrap(f): ENTRY_POINT_TABLE[entry_point_name] = f @wraps(f) ...
python
{ "resource": "" }
q12023
user_info
train
def user_info(authserver_host=None, authserver_port=None): """Returns the result of the user_info call against the specified auth server. .. deprecated:: 0.108.0 Use :func:`whoami` instead where possible. """ authserver = get_auth_server_name(authserver_host, authserver_port) return DXH...
python
{ "resource": "" }
q12024
get_job_input_filenames
train
def get_job_input_filenames(job_input_file): """Extract list of files, returns a set of directories to create, and a set of files, with sources and destinations. The paths created are relative to the input directory. Note: we go through file names inside arrays, and create a separate subdirectory f...
python
{ "resource": "" }
q12025
analyze_bash_vars
train
def analyze_bash_vars(job_input_file, job_homedir): ''' This function examines the input file, and calculates variables to instantiate in the shell environment. It is called right before starting the execution of an app in a worker. For each input key, we want to have $var $var_filename ...
python
{ "resource": "" }
q12026
wait_for_a_future
train
def wait_for_a_future(futures, print_traceback=False): """ Return the next future that completes. If a KeyboardInterrupt is received, then the entire process is exited immediately. See wait_for_all_futures for more notes. """ while True: try: future = next(concurrent.future...
python
{ "resource": "" }
q12027
_dict_raise_on_duplicates
train
def _dict_raise_on_duplicates(ordered_pairs): """ Reject duplicate keys. """ d = {} for k, v in ordered_pairs: if k in d: raise ValueError("duplicate key: %r" % (k,)) else: d[k] = v return d
python
{ "resource": "" }
q12028
assert_consistent_reg_options
train
def assert_consistent_reg_options(exec_type, json_spec, executable_builder_exeception): """ Validates the "regionalOptions" field and verifies all the regions used in "regionalOptions" have the same options. """ reg_options_spec = json_spec.get('regionalOptions') json_fn = 'dxapp.json' if exec_t...
python
{ "resource": "" }
q12029
_check_suggestions
train
def _check_suggestions(app_json, publish=False): """ Examines the specified dxapp.json file and warns about any violations of suggestions guidelines. :raises: AppBuilderException for data objects that could not be found """ for input_field in app_json.get('inputSpec', []): for suggestio...
python
{ "resource": "" }
q12030
_check_syntax
train
def _check_syntax(code, lang, temp_dir, enforce=True): """ Checks that the code whose text is in CODE parses as LANG. Raises DXSyntaxError if there is a problem and "enforce" is True. """ # This function needs the language to be explicitly set, so we can # generate an appropriate temp filename....
python
{ "resource": "" }
q12031
_check_file_syntax
train
def _check_file_syntax(filename, temp_dir, override_lang=None, enforce=True): """ Checks that the code in FILENAME parses, attempting to autodetect the language if necessary. Raises IOError if the file cannot be read. Raises DXSyntaxError if there is a problem and "enforce" is True. """ de...
python
{ "resource": "" }
q12032
_parse_app_spec
train
def _parse_app_spec(src_dir): """Returns the parsed contents of dxapp.json. Raises either AppBuilderException or a parser error (exit codes 3 or 2 respectively) if this cannot be done. """ if not os.path.isdir(src_dir): parser.error("%s is not a directory" % src_dir) if not os.path.exis...
python
{ "resource": "" }
q12033
DXApp.install
train
def install(self, **kwargs): """ Installs the app in the current user's account. """ if self._dxid is not None: return dxpy.api.app_install(self._dxid, **kwargs) else: return dxpy.api.app_install('app-' + self._name, alias=self._alias, **kwargs)
python
{ "resource": "" }
q12034
DXApp.uninstall
train
def uninstall(self, **kwargs): """ Uninstalls the app from the current user's account. """ if self._dxid is not None: return dxpy.api.app_uninstall(self._dxid, **kwargs) else: return dxpy.api.app_uninstall('app-' + self._name, alias=self._alias, **kwargs)
python
{ "resource": "" }
q12035
DXApp.delete
train
def delete(self, **kwargs): """ Removes this app object from the platform. The current user must be a developer of the app. """ if self._dxid is not None: return dxpy.api.app_delete(self._dxid, **kwargs) else: return dxpy.api.app_delete('app-' + s...
python
{ "resource": "" }
q12036
_version_exists
train
def _version_exists(json_spec, name=None, version=None): """ Returns True if a global workflow with the given name and version already exists in the platform and the user has developer rights to the workflow. "name" and "version" can be passed if we already made a "describe" API call on the global w...
python
{ "resource": "" }
q12037
_get_validated_stages
train
def _get_validated_stages(stages): """ Validates stages of the workflow as a list of dictionaries. """ if not isinstance(stages, list): raise WorkflowBuilderException("Stages must be specified as a list of dictionaries") validated_stages = [] for index, stage in enumerate(stages): ...
python
{ "resource": "" }
q12038
_validate_json_for_regular_workflow
train
def _validate_json_for_regular_workflow(json_spec, args): """ Validates fields used only for building a regular, project-based workflow. """ validated = {} override_project_id, override_folder, override_workflow_name = \ dxpy.executable_builder.get_parsed_destination(args.destination) va...
python
{ "resource": "" }
q12039
_validate_json_for_global_workflow
train
def _validate_json_for_global_workflow(json_spec, args): """ Validates fields used for building a global workflow. Since building a global workflow is done after all the underlying workflows are built, which may be time-consuming, we validate as much as possible here. """ # TODO: verify the bill...
python
{ "resource": "" }
q12040
_create_temporary_projects
train
def _create_temporary_projects(enabled_regions, args): """ Creates a temporary project needed to build an underlying workflow for a global workflow. Returns a dictionary with region names as keys and project IDs as values The regions in which projects will be created can be: i. regions specifie...
python
{ "resource": "" }
q12041
_build_global_workflow
train
def _build_global_workflow(json_spec, args): """ Creates a workflow in a temporary project for each enabled region and builds a global workflow on the platform based on these workflows. """ # First determine in which regions the global workflow needs to be available enabled_regions = _get_valida...
python
{ "resource": "" }
q12042
_build_or_update_workflow
train
def _build_or_update_workflow(json_spec, args): """ Creates or updates a workflow on the platform. Returns the workflow ID, or None if the workflow cannot be created. """ try: if args.mode == 'workflow': json_spec = _get_validated_json(json_spec, args) workflow_id = _...
python
{ "resource": "" }
q12043
_readable_part_size
train
def _readable_part_size(num_bytes): "Returns the file size in readable form." B = num_bytes KB = float(1024) MB = float(KB * 1024) GB = float(MB * 1024) TB = float(GB * 1024) if B < KB: return '{0} {1}'.format(B, 'bytes' if B != 1 else 'byte') elif KB <= B < MB: return '...
python
{ "resource": "" }
q12044
DXFile.flush
train
def flush(self, multithread=True, **kwargs): ''' Flushes the internal write buffer. ''' if self._write_buf.tell() > 0: data = self._write_buf.getvalue() self._write_buf = BytesIO() if multithread: self._async_upload_part_request(data, ...
python
{ "resource": "" }
q12045
setup_ssh_tunnel
train
def setup_ssh_tunnel(job_id, local_port, remote_port): """ Setup an ssh tunnel to the given job-id. This will establish the port over the given local_port to the given remote_port and then exit, keeping the tunnel in place until the job is terminated. """ cmd = ['dx', 'ssh', '--suppress-run...
python
{ "resource": "" }
q12046
poll_for_server_running
train
def poll_for_server_running(job_id): """ Poll for the job to start running and post the SERVER_READY_TAG. """ sys.stdout.write('Waiting for server in {0} to initialize ...'.format(job_id)) sys.stdout.flush() desc = dxpy.describe(job_id) # Keep checking until the server has begun or it has fa...
python
{ "resource": "" }
q12047
multi_platform_open
train
def multi_platform_open(cmd): """ Take the given command and use the OS to automatically open the appropriate resource. For instance, if a URL is provided, this will have the OS automatically open the URL in the default web browser. """ if platform == "linux" or platform == "linux2": cm...
python
{ "resource": "" }
q12048
get_notebook_app_versions
train
def get_notebook_app_versions(): """ Get the valid version numbers of the notebook app. """ notebook_apps = dxpy.find_apps(name=NOTEBOOK_APP, all_versions=True) versions = [str(dxpy.describe(app['id'])['version']) for app in notebook_apps] return versions
python
{ "resource": "" }
q12049
run_notebook
train
def run_notebook(args, ssh_config_check): """ Launch the notebook server. """ # Check that ssh is setup. Currently notebooks require ssh for tunelling. ssh_config_check() if args.only_check_config: return # If the user requested a specific version of the notebook server, # get ...
python
{ "resource": "" }
q12050
ModelDatastoreInputReader._validate_filters
train
def _validate_filters(cls, filters, model_class): """Validate user supplied filters. Validate filters are on existing properties and filter values have valid semantics. Args: filters: user supplied filters. Each filter should be a list or tuple of format (<property_name_as_str>, <query_o...
python
{ "resource": "" }
q12051
_normalize_entity
train
def _normalize_entity(value): """Return an entity from an entity or model instance.""" if ndb is not None and isinstance(value, ndb.Model): return None if getattr(value, "_populate_internal_entity", None): return value._populate_internal_entity() return value
python
{ "resource": "" }
q12052
_normalize_key
train
def _normalize_key(value): """Return a key from an entity, model instance, key, or key string.""" if ndb is not None and isinstance(value, (ndb.Model, ndb.Key)): return None if getattr(value, "key", None): return value.key() elif isinstance(value, basestring): return datastore.Key(value) else: ...
python
{ "resource": "" }
q12053
_ItemList.append
train
def append(self, item): """Add new item to the list. If needed, append will first flush existing items and clear existing items. Args: item: an item to add to the list. """ if self.should_flush(): self.flush() self.items.append(item)
python
{ "resource": "" }
q12054
_ItemList.flush
train
def flush(self): """Force a flush.""" if not self.items: return retry = 0 options = {"deadline": DATASTORE_DEADLINE} while retry <= self.__timeout_retries: try: self.__flush_function(self.items, options) self.clear() break except db.Timeout, e: logg...
python
{ "resource": "" }
q12055
_MutationPool.put
train
def put(self, entity): """Registers entity to put to datastore. Args: entity: an entity or model instance to put. """ actual_entity = _normalize_entity(entity) if actual_entity is None: return self.ndb_put(entity) self.puts.append(actual_entity)
python
{ "resource": "" }
q12056
_MutationPool.delete
train
def delete(self, entity): """Registers entity to delete from datastore. Args: entity: an entity, model instance, or key to delete. """ key = _normalize_key(entity) if key is None: return self.ndb_delete(entity) self.deletes.append(key)
python
{ "resource": "" }
q12057
_MutationPool._flush_puts
train
def _flush_puts(self, items, options): """Flush all puts to datastore.""" datastore.Put(items, config=self._create_config(options))
python
{ "resource": "" }
q12058
_MutationPool._flush_ndb_puts
train
def _flush_ndb_puts(self, items, options): """Flush all NDB puts to datastore.""" assert ndb is not None ndb.put_multi(items, config=self._create_config(options))
python
{ "resource": "" }
q12059
_MutationPool._create_config
train
def _create_config(self, options): """Creates datastore Config. Returns: A datastore_rpc.Configuration instance. """ return datastore.CreateConfig(deadline=options["deadline"], force_writes=self.force_writes)
python
{ "resource": "" }
q12060
AbstractKeyRangeIterator.to_json
train
def to_json(self): """Serializes all states into json form. Returns: all states in json-compatible map. """ cursor = self._get_cursor() cursor_object = False if cursor and isinstance(cursor, datastore_query.Cursor): cursor = cursor.to_websafe_string() cursor_object = True ...
python
{ "resource": "" }
q12061
AbstractKeyRangeIterator.from_json
train
def from_json(cls, json): """Reverse of to_json.""" obj = cls(key_range.KeyRange.from_json(json["key_range"]), model.QuerySpec.from_json(json["query_spec"])) cursor = json["cursor"] # lint bug. Class method can access protected fields. # pylint: disable=protected-access if cursor a...
python
{ "resource": "" }
q12062
find_mapreduce_yaml
train
def find_mapreduce_yaml(status_file=__file__): """Traverse directory trees to find mapreduce.yaml file. Begins with the location of status.py and then moves on to check the working directory. Args: status_file: location of status.py, overridable for testing purposes. Returns: the path of mapreduce....
python
{ "resource": "" }
q12063
_find_mapreduce_yaml
train
def _find_mapreduce_yaml(start, checked): """Traverse the directory tree identified by start until a directory already in checked is encountered or the path of mapreduce.yaml is found. Checked is present both to make loop termination easy to reason about and so that the same directories do not get rechecked. ...
python
{ "resource": "" }
q12064
parse_mapreduce_yaml
train
def parse_mapreduce_yaml(contents): """Parses mapreduce.yaml file contents. Args: contents: mapreduce.yaml file contents. Returns: MapReduceYaml object with all the data from original file. Raises: errors.BadYamlError: when contents is not a valid mapreduce.yaml file. """ try: builder = y...
python
{ "resource": "" }
q12065
get_mapreduce_yaml
train
def get_mapreduce_yaml(parse=parse_mapreduce_yaml): """Locates mapreduce.yaml, loads and parses its info. Args: parse: Used for testing. Returns: MapReduceYaml object. Raises: errors.BadYamlError: when contents is not a valid mapreduce.yaml file or the file is missing. """ mr_yaml_path = ...
python
{ "resource": "" }
q12066
MapReduceYaml.to_dict
train
def to_dict(mapreduce_yaml): """Converts a MapReduceYaml file into a JSON-encodable dictionary. For use in user-visible UI and internal methods for interfacing with user code (like param validation). as a list Args: mapreduce_yaml: The Pyton representation of the mapreduce.yaml document. Re...
python
{ "resource": "" }
q12067
_sort_records_map
train
def _sort_records_map(records): """Map function sorting records. Converts records to KeyValue protos, sorts them by key and writes them into new GCS file. Creates _OutputFile entity to record resulting file name. Args: records: list of records which are serialized KeyValue protos. """ ctx = context....
python
{ "resource": "" }
q12068
_merge_map
train
def _merge_map(key, values, partial): """A map function used in merge phase. Stores (key, values) into KeyValues proto and yields its serialization. Args: key: values key. values: values themselves. partial: True if more values for this key will follow. False otherwise. Yields: The proto. "...
python
{ "resource": "" }
q12069
_hashing_map
train
def _hashing_map(binary_record): """A map function used in hash phase. Reads KeyValue from binary record. Args: binary_record: The binary record. Yields: The (key, value). """ proto = kv_pb.KeyValue() proto.ParseFromString(binary_record) yield (proto.key(), proto.value())
python
{ "resource": "" }
q12070
_MergingReader.split_input
train
def split_input(cls, mapper_spec): """Split input into multiple shards.""" filelists = mapper_spec.params[cls.FILES_PARAM] max_values_count = mapper_spec.params.get(cls.MAX_VALUES_COUNT_PARAM, -1) max_values_size = mapper_spec.params.get(cls.MAX_VALUES_SIZE_PARAM, -1) return [cls([0] * len(files), m...
python
{ "resource": "" }
q12071
_MergingReader.validate
train
def validate(cls, mapper_spec): """Validate reader parameters in mapper_spec.""" if mapper_spec.input_reader_class() != cls: raise errors.BadReaderParamsError("Input reader class mismatch") params = mapper_spec.params if cls.FILES_PARAM not in params: raise errors.BadReaderParamsError("Missi...
python
{ "resource": "" }
q12072
_HashingGCSOutputWriter.validate
train
def validate(cls, mapper_spec): """Validates mapper specification. Args: mapper_spec: an instance of model.MapperSpec to validate. Raises: BadWriterParamsError: when Output writer class mismatch. """ if mapper_spec.output_writer_class() != cls: raise errors.BadWriterParamsError("O...
python
{ "resource": "" }
q12073
_HashingGCSOutputWriter.to_json
train
def to_json(self): """Returns writer state to serialize in json. Returns: A json-izable version of the OutputWriter state. """ # Use the member variable (since we don't have access to the context) to # flush each pool to minimize the size of each filehandle before we # serialize it. f...
python
{ "resource": "" }
q12074
JobConfig._get_mapper_params
train
def _get_mapper_params(self): """Converts self to model.MapperSpec.params.""" reader_params = self.input_reader_cls.params_to_json( self.input_reader_params) # TODO(user): Do the same for writer params. return {"input_reader": reader_params, "output_writer": self.output_writer_params...
python
{ "resource": "" }
q12075
JobConfig._get_mapper_spec
train
def _get_mapper_spec(self): """Converts self to model.MapperSpec.""" # pylint: disable=g-import-not-at-top from mapreduce import model return model.MapperSpec( handler_spec=util._obj_to_path(self.mapper), input_reader_spec=util._obj_to_path(self.input_reader_cls), params=self._g...
python
{ "resource": "" }
q12076
JobConfig._get_mr_params
train
def _get_mr_params(self): """Converts self to model.MapreduceSpec.params.""" return {"force_writes": self._force_writes, "done_callback": self.done_callback_url, "user_params": self.user_params, "shard_max_attempts": self.shard_max_attempts, "task_max_attempts": s...
python
{ "resource": "" }
q12077
JobConfig._get_default_mr_params
train
def _get_default_mr_params(cls): """Gets default values for old API.""" cfg = cls(_lenient=True) mr_params = cfg._get_mr_params() mr_params["api_version"] = 0 return mr_params
python
{ "resource": "" }
q12078
JobConfig._to_map_job_config
train
def _to_map_job_config(cls, mr_spec, # TODO(user): Remove this parameter after it can be # read from mr_spec. queue_name): """Converts model.MapreduceSpec back to JobConfig. This method allows our internal metho...
python
{ "resource": "" }
q12079
RecordsWriter.__write_record
train
def __write_record(self, record_type, data): """Write single physical record.""" length = len(data) crc = crc32c.crc_update(crc32c.CRC_INIT, [record_type]) crc = crc32c.crc_update(crc, data) crc = crc32c.crc_finalize(crc) self.__writer.write( struct.pack(_HEADER_FORMAT, _mask_crc(crc),...
python
{ "resource": "" }
q12080
RecordsWriter.write
train
def write(self, data): """Write single record. Args: data: record data to write as string, byte array or byte sequence. """ block_remaining = _BLOCK_SIZE - self.__position % _BLOCK_SIZE if block_remaining < _HEADER_LENGTH: # Header won't fit into remainder self.__writer.write('\x...
python
{ "resource": "" }
q12081
RecordsWriter._pad_block
train
def _pad_block(self): """Pad block with 0. Pad current block with 0. Reader will simply treat these as corrupted record and skip the block. This method is idempotent. """ pad_length = _BLOCK_SIZE - self.__position % _BLOCK_SIZE if pad_length and pad_length != _BLOCK_SIZE: self.__writ...
python
{ "resource": "" }
q12082
RecordsReader.__try_read_record
train
def __try_read_record(self): """Try reading a record. Returns: (data, record_type) tuple. Raises: EOFError: when end of file was reached. InvalidRecordError: when valid record could not be read. """ block_remaining = _BLOCK_SIZE - self.__reader.tell() % _BLOCK_SIZE if block_re...
python
{ "resource": "" }
q12083
RecordsReader.__sync
train
def __sync(self): """Skip reader to the block boundary.""" pad_length = _BLOCK_SIZE - self.__reader.tell() % _BLOCK_SIZE if pad_length and pad_length != _BLOCK_SIZE: data = self.__reader.read(pad_length) if len(data) != pad_length: raise EOFError('Read %d bytes instead of %d' % ...
python
{ "resource": "" }
q12084
RecordsReader.read
train
def read(self): """Reads record from current position in reader. Returns: original bytes stored in a single record. """ data = None while True: last_offset = self.tell() try: (chunk, record_type) = self.__try_read_record() if record_type == _RECORD_TYPE_NONE: ...
python
{ "resource": "" }
q12085
MapperPipeline.run
train
def run(self, job_name, handler_spec, input_reader_spec, output_writer_spec=None, params=None, shards=None, base_path=None): """Start a mapreduce job. Args: job_name: mapreduce name. Only for display purpose. handler_spec: fully ...
python
{ "resource": "" }
q12086
MapperPipeline.callback
train
def callback(self): """Callback after this async pipeline finishes.""" if self.was_aborted: return mapreduce_id = self.outputs.job_id.value mapreduce_state = model.MapreduceState.get_by_job_id(mapreduce_id) if mapreduce_state.result_status != model.MapreduceState.RESULT_SUCCESS: self.re...
python
{ "resource": "" }
q12087
start_map
train
def start_map(name, handler_spec, reader_spec, mapper_parameters, shard_count=None, output_writer_spec=None, mapreduce_parameters=None, base_path=None, queue_name=None, eta=None, c...
python
{ "resource": "" }
q12088
Job.get_status
train
def get_status(self): """Get status enum. Returns: One of the status enum. """ self.__update_state() if self._state.active: return self.RUNNING else: return self._state.result_status
python
{ "resource": "" }
q12089
Job.get_counter
train
def get_counter(self, counter_name, default=0): """Get the value of the named counter from this job. When a job is running, counter values won't be very accurate. Args: counter_name: name of the counter in string. default: default value if the counter doesn't exist. Returns: Value i...
python
{ "resource": "" }
q12090
Job.get_outputs
train
def get_outputs(self): """Get outputs of this job. Should only call if status is SUCCESS. Yields: Iterators, one for each shard. Each iterator is from the argument of map_job.output_writer.commit_output. """ assert self.SUCCESS == self.get_status() ss = model.ShardState.find_all_by...
python
{ "resource": "" }
q12091
Job.submit
train
def submit(cls, job_config, in_xg_transaction=False): """Submit the job to run. Args: job_config: an instance of map_job.MapJobConfig. in_xg_transaction: controls what transaction scope to use to start this MR job. If True, there has to be an already opened cross-group transaction s...
python
{ "resource": "" }
q12092
Job.__update_state
train
def __update_state(self): """Fetches most up to date state from db.""" # Only if the job was not in a terminal state. if self._state.active: self._state = self.__get_state_by_id(self.job_config.job_id)
python
{ "resource": "" }
q12093
Job.__get_state_by_id
train
def __get_state_by_id(cls, job_id): """Get job state by id. Args: job_id: job id. Returns: model.MapreduceState for the job. Raises: ValueError: if the job state is missing. """ state = model.MapreduceState.get_by_job_id(job_id) if state is None: raise ValueError("...
python
{ "resource": "" }
q12094
Job.__create_and_save_state
train
def __create_and_save_state(cls, job_config, mapreduce_spec): """Save map job state to datastore. Save state to datastore so that UI can see it immediately. Args: job_config: map_job.JobConfig. mapreduce_spec: model.MapreduceSpec. Returns: model.MapreduceState for this job. """ ...
python
{ "resource": "" }
q12095
Job.__add_kickoff_task
train
def __add_kickoff_task(cls, job_config, mapreduce_spec): """Add kickoff task to taskqueue. Args: job_config: map_job.JobConfig. mapreduce_spec: model.MapreduceSpec, """ params = {"mapreduce_id": job_config.job_id} # Task is not named so that it can be added within a transaction. kic...
python
{ "resource": "" }
q12096
JsonMixin.to_json_str
train
def to_json_str(self): """Convert data to json string representation. Returns: json representation as string. """ _json = self.to_json() try: return json.dumps(_json, sort_keys=True, cls=JsonEncoder) except: logging.exception("Could not serialize JSON: %r", _json) raise
python
{ "resource": "" }
q12097
JsonMixin.from_json_str
train
def from_json_str(cls, json_str): """Convert json string representation into class instance. Args: json_str: json representation as string. Returns: New instance of the class with data loaded from json string. """ return cls.from_json(json.loads(json_str, cls=JsonDecoder))
python
{ "resource": "" }
q12098
JsonProperty.get_value_for_datastore
train
def get_value_for_datastore(self, model_instance): """Gets value for datastore. Args: model_instance: instance of the model class. Returns: datastore-compatible value. """ value = super(JsonProperty, self).get_value_for_datastore(model_instance) if not value: return None ...
python
{ "resource": "" }
q12099
JsonProperty.make_value_from_datastore
train
def make_value_from_datastore(self, value): """Convert value from datastore representation. Args: value: datastore value. Returns: value to store in the model. """ if value is None: return None _json = json.loads(value, cls=JsonDecoder) if self.data_type == dict: r...
python
{ "resource": "" }