How to use the bypy.utils.run function in bypy

cflags += ['/DPYDLL="python%s.dll"' % env.py_ver.replace('.', ''), '/I%s/include' % env.python_base]
    for src, obj in zip(sources, objects):
        cmd = [CL] + cflags + dflags + ['/MD', '/Fo' + obj, '/Tc' + src]
        run_compiler(env, *cmd)

    dll = j(env.obj_dir, 'calibre-launcher.dll')
    ver = '.'.join(VERSION.split('.')[:2])
    cmd = [LINK, '/DLL', '/VERSION:' + ver, '/LTCG', '/OUT:' + dll,
           '/nologo', '/MACHINE:' + machine] + dlflags + objects + \
        [embed_resources(env, dll),
            '/LIBPATH:%s/libs' % env.python_base,
            'delayimp.lib', 'user32.lib', 'shell32.lib',
            'python%s.lib' % env.py_ver.replace('.', ''),
            '/delayload:python%s.dll' % env.py_ver.replace('.', '')]
    printf('Linking calibre-launcher.dll')
    run(*cmd)

    src = j(base, 'main.c')
    shutil.copy2(dll, env.dll_dir)
    basenames, modules, functions = calibre_constants['basenames'], calibre_constants['modules'], calibre_constants['functions']
    for typ in ('console', 'gui', ):
        printf('Processing %s launchers' % typ)
        subsys = 'WINDOWS' if typ == 'gui' else 'CONSOLE'
        for mod, bname, func in zip(modules[typ], basenames[typ], functions[typ]):
            cflags = '/c /EHsc /MT /W3 /O1 /nologo /D_UNICODE /DUNICODE /GS-'.split()
            if typ == 'gui':
                cflags += ['/DGUI_APP=']

            cflags += ['/DMODULE="%s"' % mod, '/DBASENAME="%s"' % bname,
                       '/DFUNCTION="%s"' % func]
            dest = j(env.obj_dir, bname + '.obj')
            printf('Compiling', bname)

def build_launchers(env):
    base = self_dir
    sources = [j(base, x) for x in ['util.c']]
    objects = [j(env.obj_dir, os.path.basename(x) + '.o') for x in sources]
    cflags = '-fno-strict-aliasing -W -Wall -c -O2 -pipe -DPYTHON_VER="python%s"' % py_ver
    cflags = cflags.split() + ['-I%s/include/python%s' % (PREFIX, py_ver)]
    for src, obj in zip(sources, objects):
        cmd = ['gcc'] + cflags + ['-fPIC', '-o', obj, src]
        run(*cmd)

    dll = j(env.lib_dir, 'libcalibre-launcher.so')
    cmd = ['gcc', '-O2', '-Wl,--rpath=$ORIGIN/../lib', '-fPIC', '-o', dll, '-shared'] + objects + \
        ['-L%s/lib' % PREFIX, '-lpython' + py_ver]
    run(*cmd)

    src = j(base, 'main.c')

    modules, basenames, functions = calibre_constants['modules'].copy(), calibre_constants['basenames'].copy(), calibre_constants['functions'].copy()
    modules['console'].append('calibre.linux')
    basenames['console'].append('calibre_postinstall')
    functions['console'].append('main')
    c_launcher = '/tmp/calibre-c-launcher'
    lsrc = os.path.join(base, 'launcher.c')
    cmd = ['gcc', '-O2', '-o', c_launcher, lsrc, ]
    run(*cmd)

    jobs = []
    for typ in ('console', 'gui', ):
        for mod, bname, func in zip(modules[typ], basenames[typ], functions[typ]):
            xflags = list(cflags)

def build(src, name, subsys='CONSOLE', libs='setupapi.lib'.split()):
        printf('Building ' + name)
        obj = j(env.obj_dir, os.path.basename(src) + '.obj')
        cflags = '/c /EHsc /MD /W3 /Ox /nologo /D_UNICODE'.split()
        ftype = '/T' + ('c' if src.endswith('.c') else 'p')
        cmd = [CL] + cflags + ['/Fo' + obj, ftype + src]
        run_compiler(env, *cmd)
        exe = j(env.dll_dir, name)
        mf = exe + '.manifest'
        with open(mf, 'wb') as f:
            f.write(EXE_MANIFEST.encode('utf-8'))
        cmd = [LINK] + [
            '/MACHINE:' + machine,
            '/SUBSYSTEM:' + subsys, '/RELEASE', '/MANIFEST:EMBED', '/MANIFESTINPUT:' + mf,
            '/OUT:' + exe] + [embed_resources(env, exe), obj] + libs
        run(*cmd)
    base = d(a(__file__))

def build(src, name, subsys='CONSOLE', libs='setupapi.lib'.split()):
        printf('Building ' + name)
        obj = j(env.obj_dir, os.path.basename(src) + '.obj')
        cflags = '/c /EHsc /MD /W3 /Ox /nologo /D_UNICODE'.split()
        ftype = '/T' + ('c' if src.endswith('.c') else 'p')
        cmd = [CL] + cflags + ['/Fo' + obj, ftype + src]
        run_compiler(env, *cmd)
        exe = j(env.dll_dir, name)
        mf = exe + '.manifest'
        with open(mf, 'wb') as f:
            f.write(EXE_MANIFEST.encode('utf-8'))
        cmd = [LINK] + [
            '/MACHINE:' + machine,
            '/SUBSYSTEM:' + subsys, '/RELEASE', '/MANIFEST:EMBED', '/MANIFESTINPUT:' + mf,
            '/OUT:' + exe] + [embed_resources(env, exe), obj] + libs
        run(*cmd)
    base = d(a(__file__))

def run_compiler(env, *cmd):
    run(*cmd, cwd=env.obj_dir)

original_filename=e(bname),
        product_version=e(WINVER.replace('.', ',')),
        product_version_str=e(VERSION),
        product_name=e(APPNAME),
        product_description=e(product_description),
        legal_copyright=e(license),
        legal_trademarks=e(APPNAME + ' is a registered U.S. trademark number 3,666,525')
    )
    if extra_data:
        rc += '\nextra extra "%s"' % extra_data
    tdir = env.obj_dir
    rcf = j(tdir, bname + '.rc')
    with open(rcf, 'w') as f:
        f.write(rc)
    res = j(tdir, bname + '.res')
    run(RC, '/n', '/fo' + res, rcf)
    return res

original_filename=e(bname),
        product_version=e(WINVER.replace('.', ',')),
        product_version_str=e(VERSION),
        product_name=e(APPNAME),
        product_description=e(product_description),
        legal_copyright=e(license),
        legal_trademarks=e(APPNAME + ' is a registered U.S. trademark number 3,666,525')
    )
    if extra_data:
        rc += '\nextra extra "%s"' % extra_data
    tdir = env.obj_dir
    rcf = j(tdir, bname + '.rc')
    with open(rcf, 'w') as f:
        f.write(rc)
    res = j(tdir, bname + '.res')
    run(RC, '/n', '/fo' + res, rcf)
    return res

def embed_manifests(env):
    printf('Embedding remaining manifests...')
    for manifest in walk(env.base):
        dll, ext = os.path.splitext(manifest)
        if ext != '.manifest':
            continue
        res = 2
        if os.path.splitext(dll)[1] == '.exe':
            res = 1
        if os.path.exists(dll) and open(manifest, 'rb').read().strip():
            run(MT, '-manifest', manifest, '-outputresource:%s;%d' % (dll, res))
        os.remove(manifest)