scritcher/scritcher/executer.py

import sys
import shlex
from .utils import load_file_path
from .error import InterpreterError


class Interpreter:
    """Interpreter for scritcher instructions/statements."""
    def __init__(self):
        self.loaded_path = None

    def _cmd_noop(self):
        pass

    def _cmd_load(self, loadpath: str):
        path = load_file_path(loadpath)

    def run(self, line: str):
        """Run a single line."""
        print(f'running {line!r}')

        args = shlex.split(line)
        command = args[0]

        if command != 'load' and self.loaded_path is None:
            print('warn: no file loaded.')

        try:
            method = getattr(self, f'_cmd_{command}')
        except AttributeError:
            raise InterpreterError(f'Command {command!r} not found')

        method(*args[1:])