def build_egg(build_manifest, build_node, source_root, output_dir=None, output_file=None):
    meta = PackageMetadata.from_build_manifest(build_manifest)
    egg_info = EggInfo.from_build_manifest(build_manifest, build_node)

    # FIXME: fix egg name
    if output_dir is None:
        if output_file is None:
            egg = egg_filename(os.path.join("dist", meta.fullname))
        else:
            egg = os.path.join("dist", output_file)
    else:
        if output_file is None:
            egg = egg_filename(os.path.join(output_dir, meta.fullname))
        else:
            egg = os.path.join(output_dir, output_file)
    bento.utils.path.ensure_dir(egg)

    egg_scheme = {"prefix": source_root.abspath(),
                  "eprefix": source_root.abspath(),
                  "sitedir": source_root.abspath()}

    zid = compat.ZipFile(egg, "w", compat.ZIP_DEFLATED)
    try:
        for filename, cnt in egg_info.iter_meta(build_node):
            zid.writestr(os.path.join("EGG-INFO", filename), cnt)

        for kind, source, target in build_manifest.iter_built_files(source_root, egg_scheme):
            if not kind in ["executables"]:
                zid.write(source.abspath(), target.path_from(source_root))
            if kind == "pythonfiles":
                try:
                    bytecode = bcompile(source.abspath())
                except PyCompileError:
                    e = extract_exception()
                    warnings.warn("Error byte-compiling %r" % source.abspath())
                else:
                    zid.writestr("%sc" + target.path_from(source_root), bcompile(source.abspath()))
    finally:
        zid.close()

    return
dataset/ETHPy150Open cournape/Bento/bento/commands/build_egg.py/build_egg/operator `%` -> `+`