| import argparse |
| import os |
| import sys |
| from pprint import pprint |
|
|
| from . import __version__, api |
|
|
|
|
| def parse_args(parse_this=None): |
| parser = build_parser() |
| return parser.parse_args(parse_this) |
|
|
|
|
| def build_parser(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument( |
| "-V", |
| "--version", |
| action="version", |
| help="Show the conda-package-handling version number and exit.", |
| version=f"conda-package-handling {__version__}", |
| ) |
| sp = parser.add_subparsers(title="subcommands", dest="subcommand", required=True) |
|
|
| extract_parser = sp.add_parser("extract", help="extract package contents", aliases=["x"]) |
| extract_parser.add_argument("archive_path", help="path to archive to extract") |
| extract_parser.add_argument( |
| "--dest", |
| help="destination folder to extract to. If not set, defaults to" |
| " package filename minus extension in the same folder as the input archive." |
| " May be relative path used in tandem with the --prefix flag.", |
| ) |
| extract_parser.add_argument( |
| "--prefix", |
| help="base directory to extract to. Use this to set the base" |
| " directory, while allowing the folder name to be automatically determined " |
| "by the input filename. An abspath --prefix with an unset --dest will " |
| "achieve this.", |
| ) |
| extract_parser.add_argument( |
| "--info", |
| help="If the archive supports separate metadata, this" |
| " flag extracts only the metadata in the info folder from the " |
| "package. If the archive does not support separate metadata, this " |
| "flag has no effect and all files are extracted.", |
| action="store_true", |
| ) |
|
|
| create_parser = sp.add_parser("create", help="bundle files into a package", aliases=["c"]) |
| create_parser.add_argument( |
| "prefix", |
| help="folder of files to bundle. Not strictly required to" |
| " have conda package metadata, but if conda package metadata isn't " |
| "present, you'll see a warning and your file will not work as a " |
| "conda package", |
| ) |
| create_parser.add_argument( |
| "out_fn", |
| help="Filename of archive to be created. Extension determines package type.", |
| ) |
| create_parser.add_argument( |
| "--file-list", |
| help="Path to file containing one relative path per" |
| " line that should be included in the archive. If not provided, " |
| "lists all files in the prefix.", |
| ) |
| create_parser.add_argument("--out-folder", help="Folder to dump final archive to") |
|
|
| convert_parser = sp.add_parser( |
| "transmute", help="convert from one package type to another", aliases=["t"] |
| ) |
| convert_parser.add_argument( |
| "in_file", help="existing file to convert from. Glob patterns accepted." |
| ) |
| convert_parser.add_argument( |
| "out_ext", |
| help="extension of file to convert to. Examples: .tar.bz2, .conda", |
| ) |
| convert_parser.add_argument("--out-folder", help="Folder to dump final archive to") |
| convert_parser.add_argument( |
| "--force", action="store_true", help="Force overwrite existing package" |
| ) |
| convert_parser.add_argument( |
| "--processes", |
| type=int, |
| help="Max number of processes to use. If not set, defaults to 1.", |
| ) |
| convert_parser.add_argument( |
| "--zstd-compression-level", |
| help=( |
| "When building v2 packages, set the compression level used by " |
| "conda-package-handling. Defaults to 19." |
| ), |
| type=int, |
| choices=range(1, 23), |
| default=19, |
| ) |
| convert_parser.add_argument( |
| "--zstd-compression-threads", |
| help=( |
| "When building v2 packages, set the compression threads used by " |
| "conda-package-handling. Defaults to 1. -1=automatic." |
| ), |
| type=int, |
| default=1, |
| ) |
| list_parser = sp.add_parser( |
| "list", |
| aliases=["l"], |
| help="List package contents like `python -m tarfile --list ...` would do.", |
| ) |
| list_parser.add_argument("archive_path", help="path or URL to archive to inspect") |
| list_parser.add_argument( |
| "-v", |
| "--verbose", |
| action="store_true", |
| help="Report more details, similar to 'ls -l'. Otherwise, only the filenames are printed.", |
| ) |
| list_parser.add_argument( |
| "--components", |
| dest="components", |
| default="info,pkg", |
| help="Comma-separated list of components to read (.conda artifacts only; " |
| "ignored for .tar.bz2). Allowed values: info, pkg.", |
| ) |
|
|
| return parser |
|
|
|
|
| def main(args=None): |
| args = parse_args(args) |
| if hasattr(args, "out_folder") and args.out_folder: |
| args.out_folder = ( |
| os.path.abspath(os.path.normpath(os.path.expanduser(args.out_folder))) + os.sep |
| ) |
| if args.subcommand in ("extract", "x"): |
| if args.info: |
| api.extract(args.archive_path, args.dest, components="info", prefix=args.prefix) |
| else: |
| api.extract(args.archive_path, args.dest, prefix=args.prefix) |
| elif args.subcommand in ("create", "c"): |
| api.create(args.prefix, args.file_list, args.out_fn, args.out_folder) |
| elif args.subcommand in ("transmute", "t"): |
| failed_files = api.transmute( |
| args.in_file, |
| args.out_ext, |
| args.out_folder, |
| args.processes or 1, |
| force=args.force, |
| zstd_compress_level=args.zstd_compression_level, |
| zstd_compress_threads=args.zstd_compression_threads, |
| ) |
| if failed_files: |
| print("failed files:") |
| pprint(failed_files) |
| sys.exit(1) |
| elif args.subcommand in ("list", "l"): |
| components = [ |
| component.strip() for component in (args.components or "info,pkg").split(",") |
| ] |
| api.list_contents(args.archive_path, verbose=args.verbose, components=components) |
|
|
|
|
| if __name__ == "__main__": |
| main(args=None) |
|
|