实现json存储文件

utils/fs.py

@@ -0,0 +1,57 @@
+# 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