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""" |
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Wheel command-line utility. |
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""" |
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from __future__ import print_function |
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import argparse |
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import os |
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import sys |
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def require_pkgresources(name): |
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try: |
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import pkg_resources |
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except ImportError: |
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raise RuntimeError("'{0}' needs pkg_resources (part of setuptools).".format(name)) |
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class WheelError(Exception): |
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pass |
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def unpack_f(args): |
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from .unpack import unpack |
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unpack(args.wheelfile, args.dest) |
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def pack_f(args): |
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from .pack import pack |
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pack(args.directory, args.dest_dir, args.build_number) |
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def convert_f(args): |
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from .convert import convert |
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convert(args.files, args.dest_dir, args.verbose) |
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def version_f(args): |
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from .. import __version__ |
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print("wheel %s" % __version__) |
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def parser(): |
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p = argparse.ArgumentParser() |
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s = p.add_subparsers(help="commands") |
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unpack_parser = s.add_parser('unpack', help='Unpack wheel') |
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unpack_parser.add_argument('--dest', '-d', help='Destination directory', |
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default='.') |
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unpack_parser.add_argument('wheelfile', help='Wheel file') |
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unpack_parser.set_defaults(func=unpack_f) |
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repack_parser = s.add_parser('pack', help='Repack wheel') |
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repack_parser.add_argument('directory', help='Root directory of the unpacked wheel') |
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repack_parser.add_argument('--dest-dir', '-d', default=os.path.curdir, |
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help="Directory to store the wheel (default %(default)s)") |
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repack_parser.add_argument('--build-number', help="Build tag to use in the wheel name") |
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repack_parser.set_defaults(func=pack_f) |
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convert_parser = s.add_parser('convert', help='Convert egg or wininst to wheel') |
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convert_parser.add_argument('files', nargs='*', help='Files to convert') |
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convert_parser.add_argument('--dest-dir', '-d', default=os.path.curdir, |
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help="Directory to store wheels (default %(default)s)") |
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convert_parser.add_argument('--verbose', '-v', action='store_true') |
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convert_parser.set_defaults(func=convert_f) |
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version_parser = s.add_parser('version', help='Print version and exit') |
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version_parser.set_defaults(func=version_f) |
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help_parser = s.add_parser('help', help='Show this help') |
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help_parser.set_defaults(func=lambda args: p.print_help()) |
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return p |
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def main(): |
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p = parser() |
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args = p.parse_args() |
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if not hasattr(args, 'func'): |
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p.print_help() |
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else: |
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try: |
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args.func(args) |
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return 0 |
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except WheelError as e: |
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print(e, file=sys.stderr) |
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return 1 |
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