brieftaube/BTvenv/lib/python3.6/site-packages/wheel/cli/__init__.py
2020-08-27 21:39:46 +02:00

87 lines
2.4 KiB
Python

"""
Wheel command-line utility.
"""
from __future__ import print_function
import argparse
import os
import sys
def require_pkgresources(name):
try:
import pkg_resources # noqa: F401
except ImportError:
raise RuntimeError("'{0}' needs pkg_resources (part of setuptools).".format(name))
class WheelError(Exception):
pass
def unpack_f(args):
from .unpack import unpack
unpack(args.wheelfile, args.dest)
def pack_f(args):
from .pack import pack
pack(args.directory, args.dest_dir)
def convert_f(args):
from .convert import convert
convert(args.files, args.dest_dir, args.verbose)
def version_f(args):
from .. import __version__
print("wheel %s" % __version__)
def parser():
p = argparse.ArgumentParser()
s = p.add_subparsers(help="commands")
unpack_parser = s.add_parser('unpack', help='Unpack wheel')
unpack_parser.add_argument('--dest', '-d', help='Destination directory',
default='.')
unpack_parser.add_argument('wheelfile', help='Wheel file')
unpack_parser.set_defaults(func=unpack_f)
repack_parser = s.add_parser('pack', help='Repack wheel')
repack_parser.add_argument('directory', help='Root directory of the unpacked wheel')
repack_parser.add_argument('--dest-dir', '-d', default=os.path.curdir,
help="Directory to store the wheel (default %(default)s)")
repack_parser.set_defaults(func=pack_f)
convert_parser = s.add_parser('convert', help='Convert egg or wininst to wheel')
convert_parser.add_argument('files', nargs='*', help='Files to convert')
convert_parser.add_argument('--dest-dir', '-d', default=os.path.curdir,
help="Directory to store wheels (default %(default)s)")
convert_parser.add_argument('--verbose', '-v', action='store_true')
convert_parser.set_defaults(func=convert_f)
version_parser = s.add_parser('version', help='Print version and exit')
version_parser.set_defaults(func=version_f)
help_parser = s.add_parser('help', help='Show this help')
help_parser.set_defaults(func=lambda args: p.print_help())
return p
def main():
p = parser()
args = p.parse_args()
if not hasattr(args, 'func'):
p.print_help()
else:
try:
args.func(args)
return 0
except WheelError as e:
print(e, file=sys.stderr)
return 1