初次提交

entity/File.py

@@ -0,0 +1,25 @@
+import os
+from os import PathLike
+from typing import Union, Optional
+
+
+class File(object):
+    base_path: Optional[Union[os.PathLike[str], str]]
+    file: Union[PathLike[str], str]
+
+    def __init__(self, file: Union[os.PathLike[str], str], base_path: Optional[Union[os.PathLike[str], str]] = None):
+        self.file = file
+        self.base_path = base_path
+
+    @property
+    def full_path(self) -> str:
+        if self.base_path is None or len(self.base_path.strip()) == 0:
+            return self.file
+        else:
+            return os.path.join(self.base_path, self.file)
+
+    def abs_path(self) -> str:
+        return os.path.abspath(self.full_path)
+
+    def exist(self) -> bool:
+        return os.path.exists(self.full_path)