pyfil.py 文件源码

def run(expressions, args, namespace={}):
    func = exec if args.exec else eval
    for expr in expressions:
        if args.exception_handler:
            exception, handler = tuple(
                    i.strip() for i in
                    args.exception_handler.split(':', maxsplit=1))
            try:
                value = func(expr, namespace)
            except __builtins__[exception]:
                try:
                    value = func(handler, namespace)
                except Exception as e:
                    value = handle_errors(e, args)
                    continue
            except Exception as e:
                value = handle_errors(e, args)
                continue
        else:
            try:
                value = func(expr, namespace)
            except Exception as e:
                value = handle_errors(e, args)
                continue

        if not args.exec:
            namespace.update(x=value)

    if not (args.quiet or args.exec):
        if args.join is not None and isinstance(value, collections.Iterable):
            print(ast.literal_eval("'''" + args.join.replace("'", r"\'") +
                "'''").join(map(str, value)))
        elif value is None:
            pass
        elif isinstance(value, collections.Iterator):
            for i in value:
                print_obj(i)
        else:
            indent = None if (args.loop or args.force_oneline_json) else 2
            print_obj(value, indent)