egg2wheel.py
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#!/usr/bin/env python
import os.path
import re
import sys
import tempfile
import zipfile
import wheel.bdist_wheel
import shutil
import distutils.dist
from distutils.archive_util import make_archive
from argparse import ArgumentParser
from glob import iglob
from wheel.wininst2wheel import _bdist_wheel_tag
egg_info_re = re.compile(r'''(?P<name>.+?)-(?P<ver>.+?)
(-(?P<pyver>.+?))?(-(?P<arch>.+?))?.egg''', re.VERBOSE)
def egg2wheel(egg_path, dest_dir):
egg_info = egg_info_re.match(os.path.basename(egg_path)).groupdict()
dir = tempfile.mkdtemp(suffix="_e2w")
if os.path.isfile(egg_path):
# assume we have a bdist_egg otherwise
egg = zipfile.ZipFile(egg_path)
egg.extractall(dir)
else:
# support buildout-style installed eggs directories
for pth in os.listdir(egg_path):
src = os.path.join(egg_path, pth)
if os.path.isfile(src):
shutil.copy2(src, dir)
else:
shutil.copytree(src, os.path.join(dir, pth))
dist_info = "%s-%s" % (egg_info['name'], egg_info['ver'])
abi = 'none'
pyver = egg_info['pyver'].replace('.', '')
arch = (egg_info['arch'] or 'any').replace('.', '_').replace('-', '_')
if arch != 'any':
# assume all binary eggs are for CPython
pyver = 'cp' + pyver[2:]
wheel_name = '-'.join((
dist_info,
pyver,
abi,
arch
))
root_is_purelib = egg_info['arch'] is None
if root_is_purelib:
bw = wheel.bdist_wheel.bdist_wheel(distutils.dist.Distribution())
else:
bw = _bdist_wheel_tag(distutils.dist.Distribution())
bw.root_is_pure = root_is_purelib
bw.python_tag = pyver
bw.plat_name_supplied = True
bw.plat_name = egg_info['arch'] or 'any'
if not root_is_purelib:
bw.full_tag_supplied = True
bw.full_tag = (pyver, abi, arch)
dist_info_dir = os.path.join(dir, '%s.dist-info' % dist_info)
bw.egg2dist(os.path.join(dir, 'EGG-INFO'),
dist_info_dir)
bw.write_wheelfile(dist_info_dir, generator='egg2wheel')
bw.write_record(dir, dist_info_dir)
filename = make_archive(os.path.join(dest_dir, wheel_name), 'zip', root_dir=dir)
os.rename(filename, filename[:-3] + 'whl')
shutil.rmtree(dir)
def main():
parser = ArgumentParser()
parser.add_argument('eggs', nargs='*', help="Eggs to convert")
parser.add_argument('--dest-dir', '-d', default=os.path.curdir,
help="Directory to store wheels (default %(default)s)")
parser.add_argument('--verbose', '-v', action='store_true')
args = parser.parse_args()
for pat in args.eggs:
for egg in iglob(pat):
if args.verbose:
sys.stdout.write("{0}... ".format(egg))
egg2wheel(egg, args.dest_dir)
if args.verbose:
sys.stdout.write("OK\n")
if __name__ == "__main__":
main()