egg2wheel.py 文件源码

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
                          ))
    bw = wheel.bdist_wheel.bdist_wheel(distutils.dist.Distribution())
    bw.root_is_purelib = egg_info['arch'] is None
    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)