完成对open函数的包装，且封装成工具类

app/file_open.py

@@ -0,0 +1,46 @@
+import os
+
+
+class ModeErrorException(Exception):
+    def __init__(self, error_info):
+        super().__init__(self)
+        self.error_info = error_info
+
+    def __str__(self):
+        return self.error_info
+
+
+class FileOpen:
+    def __init__(self):
+        pass
+
+    @staticmethod
+    def read_only(path, mode='r'):
+        if mode not in ['r', 'r+', 'rb', 'rt', 'rb+', 'rt+']:
+            raise ModeErrorException('the input mode is wrong')
+        my_dir = os.path.dirname(path)  # 获得路径的目录
+        if not os.path.exists(my_dir):  # 判断文件的所有父文件夹是否存在
+            os.makedirs(my_dir)  # 创建所有父文件夹
+        # 读文件需要判断文件是否存在，不存在则创建
+        if not os.path.exists(path):
+            open(path, mode)
+        return open(path, mode)
+
+    @staticmethod
+    def write_able(path, mode='w'):
+        if mode not in ['w', 'w+', 'wb', 'wt', 'wb+', 'wt+']:
+            raise ModeErrorException('the input mode is wrong')
+        my_dir = os.path.dirname(path)  # 获得路径的目录
+        if not os.path.exists(my_dir):  # 判断文件的所有父文件夹是否存在
+            os.makedirs(my_dir)  # 创建所有父文件夹
+        return open(path, mode)
+
+
+if __name__ == "__main__":
+    wf = FileOpen.write_able(r"D:\Workspace\gitcode\EnglishPal\app\static\test.txt")
+    wf.write("asdasdasd")
+    wf.close()
+
+    rf = FileOpen.read_only(r"D:\Workspace\gitcode\EnglishPal\app\static\test.txt")
+    for line in rf.readlines():
+        print(line)