import tempfile, os, shutil, sys, codecs

encoding = sys.getfilesystemencoding()
encoding = codecs.lookup(encoding).name
if encoding != "utf-8":
    raise Exception("issue #3080")

# U+00B5: Micro sign
sign_fn = "\xb5Torrent.py"

# U+03BC: Greek small letter mu
mu_fn = "\u03BCTorrent.py"

olddir = os.getcwd()
tmpdir = tempfile.mkdtemp()
try:
    os.chdir(tmpdir)
    with open(sign_fn, "w") as fp:
        print('print("U+00B5")', file=fp)
    with open(mu_fn, "w") as fp:
        print('print("U+03BC")', file=fp)

    old_modules = sys.modules.copy()

    print("import U+00B5:")
    import µTorrent

    sys.modules.clear()
    sys.modules.update(old_modules)

    print("import U+03BC:")
    import μTorrent
finally:
    os.chdir(olddir)
    shutil.rmtree(tmpdir)