Source code for weaver.processes.builtin.file_index_selector

#!/usr/bin/env python
__doc__ = """
Selects the single file at the provided index within an array of files.

import argparse
import logging
import os
import sys
from typing import TYPE_CHECKING

    from typing import List

[docs] CUR_DIR = os.path.abspath(os.path.dirname(__file__))
sys.path.insert(0, CUR_DIR) # root to allow 'from weaver import <...>' sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(CUR_DIR)))) # place weaver specific imports after sys path fixing to ensure they are found from external call # pylint: disable=C0413,wrong-import-order from weaver.processes.builtin.utils import get_package_details, validate_reference # isort:skip # noqa: E402 from weaver.utils import OutputMethod, fetch_file # isort:skip # noqa: E402 PACKAGE_NAME, PACKAGE_BASE, PACKAGE_MODULE = get_package_details(__file__) # setup logger since it is not run from the main 'weaver' app
[docs] LOGGER = logging.getLogger(PACKAGE_MODULE)
LOGGER.addHandler(logging.StreamHandler(sys.stdout)) LOGGER.setLevel(logging.INFO) # process details __version__ = "1.3" __title__ = "File Index Selector" __abstract__ = __doc__ # NOTE: '__doc__' is fetched directly, this is mostly to be informative
[docs] def select(files, index, output_dir): # type: (List[str], int, str) -> None"Process '%s' execution starting...", PACKAGE_NAME) LOGGER.debug("Process '%s' output directory: [%s].", PACKAGE_NAME, output_dir) try: if not os.path.isdir(output_dir): raise ValueError(f"Output dir [{output_dir}] does not exist.") file_path = files[index] validate_reference(file_path, is_file=True) fetch_file(file_path, output_dir, out_method=OutputMethod.COPY) except Exception as exc: # log only debug for tracking, re-raise and actual error wil be logged by top process monitor LOGGER.debug("Process '%s' raised an exception: [%s]", PACKAGE_NAME, exc) raise"Process '%s' execution completed.", PACKAGE_NAME)
[docs] def main(*args): # type: (*str) -> None"Parsing inputs of '%s' process.", PACKAGE_NAME) parser = argparse.ArgumentParser(description=__doc__) parser.add_argument("-f", "--files", type=str, required=True, nargs="+", help="Files from which to select.") parser.add_argument("-i", "--index", type=int, required=True, help="Index of the file to select.") parser.add_argument("-o", "--outdir", default=CUR_DIR, help="Output directory of the selected file.") ns = parser.parse_args(args) sys.exit(select(ns.files, ns.index, ns.outdir))
if __name__ == "__main__": main(*sys.argv[1:])