def compile_inform7_game()

in textworld/generator/inform7/world2inform7.py [0:0]

• 56 lines of code
• 12 McCabe index (conditional complexity)

def compile_inform7_game(source: str, output: str, verbose: bool = False) -> None:
    with make_temp_directory(prefix="tmp_inform") as project_folder:
        filename, ext = os.path.splitext(output)
        story_filename = filename + ".ni"

        # Save story file.
        with open(story_filename, 'w') as f:
            f.write(source)

        # Create the file structure needed by Inform7.
        source_folder = pjoin(project_folder, "Source")
        build_folder = pjoin(project_folder, "Build")
        if not os.path.isdir(source_folder):
            os.makedirs(source_folder)

        shutil.copy(story_filename, pjoin(source_folder, "story.ni"))

        # Write mandatory uuid.txt file
        open(pjoin(project_folder, "uuid.txt"), 'w').close()

        # Build Inform7 -> Inform6 -> game
        INFORM_HOME = os.environ.get("INFORM_HOME", I7_DEFAULT_PATH)
        ni = pjoin(INFORM_HOME, "share", "inform7", "Compilers", "ni")
        i6 = pjoin(INFORM_HOME, "share", "inform7", "Compilers", "inform6")
        i7_internal = pjoin(INFORM_HOME, "share", "inform7", "Internal")

        # Compile story file.
        cmd = [ni, "--internal", i7_internal, "--format={}".format(ext),
               "--project", project_folder]

        if verbose:
            print("Running: {}".format(" ".join(cmd)))

        try:
            stdout = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
        except subprocess.CalledProcessError as exc:
            msg = ""
            msg += "\n-== ni =-\nFAIL: {}\n{}========\n".format(exc.returncode, exc.output.decode())
            msg += "*** Usually this means a compilation error.\n"
            if ext == ".z8":
                msg += "*** Maybe the game is too big for a .z8 file. Try using .ulx instead.\n"
            msg += "*** See {} for more information.\n".format(story_filename)
            raise CouldNotCompileGameError(msg)
        else:
            if verbose:
                print("-= ni =-\n{}========\n".format(stdout.decode()))

        # Compile inform6 code.
        i6_input_filename = pjoin(build_folder, "auto.inf")

        i6_options = "-"
        # i6_options += "k"  # Debug file, maybe useful to extract vocab?
        if str2bool(os.environ.get("TEXTWORLD_I6_DEBUG", False)):
            i6_options += "D"  # Debug mode, enables Inform7 testing commands.

        i6_options += "E2wS"
        i6_options += "G" if ext == ".ulx" else "v8"
        i6_options += "F0"  # Use extra memory rather than temporary files.
        cmd = [i6, i6_options, i6_input_filename, output]

        if verbose:
            print("Running: {}".format(" ".join(cmd)))

        try:
            stdout = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
        except subprocess.CalledProcessError as exc:
            msg = ""
            msg += "\n-= i6 =-\nFAIL: {}\n{}========\n".format(exc.returncode, exc.output.decode())
            msg += "*** Usually this means a compilation error.\n"
            if ext == ".z8":
                msg += "*** Maybe the game is too big for a .z8 file. Try using .ulx instead.\n"
            msg += "*** See {} for more information.\n".format(story_filename)
            raise CouldNotCompileGameError(msg)
        else:
            if verbose:
                print("-= i6 =-\n{}========\n".format(stdout.decode()))