# 兼容PC和MicroPython的文件操作

# compat_fs.py
try:
    import uos as os  # MicroPython
    MICROPYTHON = True
except ImportError:
    import os         # CPython
    MICROPYTHON = False

def list_dir(path="."):
    """列出目录内容"""
    return os.listdir(path)

def make_dir(path):
    """创建目录"""
    if MICROPYTHON:
        os.mkdir(path)
    else:
        os.makedirs(path, exist_ok=True)

def remove_file(path):
    """删除文件"""
    os.remove(path)

def read_file(path, mode="r"):
    """读取文件内容"""
    with open(path, mode) as f:
        return f.read()

def write_file(path, data, mode="w"):
    """写入文件内容"""
    with open(path, mode) as f:
        f.write(data)

def is_file(path):
    """判断是否是文件"""
    try:
        st = os.stat(path)
        # MicroPython: stat()[0] >> 14 & 0xF == 8 表示普通文件
        if MICROPYTHON:
            return (st[0] >> 14) & 0xF == 8
        else:
            return os.path.isfile(path)
    except OSError:
        return False

def is_dir(path):
    """判断是否是目录"""
    try:
        st = os.stat(path)
        if MICROPYTHON:
            return (st[0] >> 14) & 0xF == 2
        else:
            return os.path.isdir(path)
    except OSError:
        return False