Source code for tardis.utilities.utils

from .attributedict import AttributeDict

from contextlib import contextmanager
from io import StringIO
from typing import Any, Callable, List, TypeVar, Tuple


import csv
import logging

logger = logging.getLogger("cobald.runtime.tardis.utilities.utils")


[docs]def cmd_option_formatter(options: AttributeDict, prefix: str, separator: str) -> str: options = ( f"{prefix}{name}{separator}{value}" if value is not None else f"{prefix}{name}" for name, value in options.items() ) return " ".join(options)
[docs]def htcondor_cmd_option_formatter(options: AttributeDict) -> str: return cmd_option_formatter(options, prefix="-", separator=" ")
[docs]def csv_parser( input_csv: str, fieldnames: [List, Tuple], delimiter: str = "\t", replacements: dict = None, skipinitialspace: bool = False, skiptrailingspace: bool = False, ): """ Parses CSV formatted input :param input_csv: CSV formatted input :type input_csv: str :param fieldnames: corresponding field names :type fieldnames: [List, Tuple] :param delimiter: delimiter between entries :type delimiter: str :param replacements: fields to be replaced :type replacements: dict :param skipinitialspace: ignore whitespace immediately following the delimiter :type skipinitialspace: bool :param skiptrailingspace: ignore whitespace at the end of each csv row :type skiptrailingspace: bool """ if skiptrailingspace: input_csv = "\n".join((line.strip() for line in input_csv.splitlines())) replacements = replacements or {} with StringIO(input_csv) as csv_input: csv_reader = csv.DictReader( csv_input, fieldnames=fieldnames, delimiter=delimiter, skipinitialspace=skipinitialspace, ) for row in csv_reader: yield { key: value if value not in replacements.keys() else replacements[value] for key, value in row.items() }
[docs]@contextmanager def disable_logging(level): logging.disable(level) yield logging.disable(logging.NOTSET)
[docs]def machine_meta_data_translation( machine_meta_data: AttributeDict, meta_data_translation_mapping: AttributeDict ): """ Helper function to translate units of the machine_meta_data to match the units required by the overlay batch system :param machine_meta_data: Machine Meta Data (Cores, Memory, Disk) :param meta_data_translation_mapping: Map used for the translation of meta data, contains conversion factors :return: Converted meta data with units expected by the OBS :rtype: dict """ try: return { key: meta_data_translation_mapping[key] * value for key, value in machine_meta_data.items() } except KeyError as ke: logger.critical( f"machine_meta_data_translation failed: no translation known for {ke}" ) raise
[docs]def load_states(resources): import tardis.resources.dronestates for entry in resources: state_class = getattr(tardis.resources.dronestates, str(entry["state"])) entry["state"] = state_class() return resources
[docs]def submit_cmd_option_formatter(options: AttributeDict) -> str: option_prefix = dict(short="-", long="--") option_separator = dict(short=" ", long="=") option_string = "" for option_type in ("short", "long"): try: tmp_option_string = cmd_option_formatter( getattr(options, option_type), prefix=option_prefix[option_type], separator=option_separator[option_type], ) except AttributeError: pass else: # add additional space between short and long options if option_string: option_string += " " option_string += tmp_option_string return option_string.strip()
T = TypeVar("T") sentinel = object()
[docs]def convert_to( value: Any, convert_to_type: Callable[[Any], T], default: Any = sentinel ) -> T: try: return convert_to_type(value) except ValueError: return default